Venclyxto 10 mg film-coated tablets

Summary of Product Characteristics Updated 10-Jul-2019 | AbbVie Ltd

 This medicinal product is subject to additional monitoring. This will allow quick identification of new safety information. Healthcare professionals are asked to report any suspected adverse reactions. See section 4.8 for how to report adverse reactions.

1. Name of the medicinal product

Venclyxto 10 mg film-coated tablets

Venclyxto 50 mg film-coated tablets

Venclyxto 100 mg film-coated tablets

2. Qualitative and quantitative composition

Venclyxto 10 mg film-coated tablets

Each film-coated tablet contains 10 mg of venetoclax.

Venclyxto 50 mg film-coated tablets

Each film-coated tablet contains 50 mg of venetoclax.

Venclyxto 100 mg film-coated tablets

Each film-coated tablet contains 100 mg of venetoclax.

For the full list of excipients, see section 6.1.

3. Pharmaceutical form

Film-coated tablet (tablet).

Venclyxto 10 mg film-coated tablet

Pale yellow, round biconvex shaped tablet 6 mm diameter debossed with V on one side and 10 on the other.

Venclyxto 50 mg film-coated tablet

Beige, oblong biconvex shaped tablet 14 mm long, 8 mm wide debossed with V on one side and 50 on the other.

Venclyxto 100 mg film-coated tablet

Pale yellow, oblong biconvex shaped tablet 17.2 mm long, 9.5 mm wide debossed with V on one side and 100 on the other.

4. Clinical particulars
4.1 Therapeutic indications

Venclyxto in combination with rituximab is indicated for the treatment of adult patients with chronic lymphocytic leukaemia (CLL) who have received at least one prior therapy.

Venclyxto monotherapy is indicated for the treatment of CLL:

• in the presence of 17p deletion or TP53 mutation in adult patients who are unsuitable for or have failed a B-cell receptor pathway inhibitor, or

• in the absence of 17p deletion or TP53 mutation in adult patients who have failed both chemoimmunotherapy and a B-cell receptor pathway inhibitor.

4.2 Posology and method of administration

Treatment with venetoclax should be initiated and supervised by a physician experienced in the use of anticancer medicinal products.

Posology

Dose-titration schedule

The starting dose is 20 mg of venetoclax once daily for 7 days. The dose must be gradually increased over a period of 5 weeks up to the daily dose of 400 mg as shown in Table 1.

Table 1: Dose increase schedule

Week

Venetoclax daily dose

1

20 mg

2

50 mg

3

100 mg

4

200 mg

5

400 mg

The 5-week dose-titration schedule is designed to gradually reduce tumour burden (debulk) and decrease the risk of tumour lysis syndrome.

Post-titration dose for venetoclax in combination with rituximab

The recommended dose of venetoclax in combination with rituximab is 400 mg once daily (see section 5.1 for details of the combination regimen).

Rituximab should be administered after the patient has completed the dose-titration schedule and has received the recommended daily dose of 400 mg venetoclax for 7 days.

Venetoclax should be taken for 24 months from Cycle 1 Day 1 of rituximab (see section 5.1).

Post-titration dose for venetoclax monotherapy

The recommended dose of venetoclax is 400 mg once daily. Treatment should be continued until disease progression or no longer tolerated by the patient.

Prevention of tumour lysis syndrome (TLS)

Venetoclax can cause rapid reduction in tumour, and thus poses a risk for TLS in the initial 5-week dose-titration phase. Changes in electrolytes consistent with TLS that require prompt management can occur as early as 6 to 8 hours following the first dose of venetoclax and at each dose increase.

The risk of TLS is a continuum based on multiple factors, including comorbidities. Patients with high tumour burden (e.g., any lymph node with a diameter ≥5 cm or high absolute lymphocyte count [ALC ≥25 x 109/l]) are at greater risk of TLS when initiating venetoclax. Reduced renal function (creatinine clearance [CrCl] <80 ml/min) further increases the risk. The risk may decrease as tumour burden decreases with venetoclax treatment (see section 4.4).

Prior to initiating venetoclax, tumour burden assessment, including radiographic evaluation (e.g., CT scan), must be performed for all patients. Blood chemistry (potassium, uric acid, phosphorus, calcium, and creatinine) should be assessed and pre-existing abnormalities corrected. The prophylaxis measures listed below should be followed. More intensive measures should be employed as overall risk increases.

Hydration

Patients should be adequately hydrated during the dose-titration phase to reduce the risk of TLS. Patients should be instructed to drink plenty of water daily starting 2 days before and throughout the dose-titration phase. Patients should be particularly instructed to drink 1.5 to 2.0 L of water daily, 2 days prior to and the days of dosing at initiation and each subsequent dose increase. Intravenous fluids should be administered as indicated based on overall risk of TLS or for those who cannot maintain an adequate level of oral hydration.

Anti-hyperuricaemic agents

Anti-hyperuricaemic agents should be administered 2 to 3 days prior to starting treatment with venetoclax in patients with high uric acid levels or at risk of TLS and may be continued through the titration phase.

Laboratory assessments

Pre-dose: For all patients, blood chemistries should be assessed prior to the initial dose to evaluate kidney function and correct pre-existing abnormalities. Blood chemistries should be reassessed prior to each subsequent dose increase during the titration phase.

Post-dose: For patients at risk of TLS, blood chemistries should be monitored at 6 to 8 hours and at 24 hours after the first dose of venetoclax. Electrolyte abnormalities should be corrected promptly. The next venetoclax dose should not be administered until the 24-hour blood chemistry results have been evaluated. The same monitoring schedule should be followed at the start of the 50 mg dose and then for patients who continue to be at risk, at subsequent dose increases.

Hospitalisation

Based on physician assessment, some patients, especially those at greater risk of TLS, may require hospitalisation on the day of the first dose of venetoclax for more intensive prophylaxis and monitoring during the first 24 hours (see section 4.8). Hospitalisation should be considered for subsequent dose increases based on reassessment of risk.

Dose modifications for tumour lysis syndrome

If a patient experiences blood chemistry changes suggestive of TLS, the following day's venetoclax dose should be withheld. If resolved within 24 to 48 hours of last dose, treatment with venetoclax can be resumed at the same dose. For events of clinical TLS or blood chemistry changes requiring more than 48 hours to resolve, treatment should be resumed at a reduced dose (see Table 2). When resuming treatment after interruption due to TLS, the instructions for prevention of TLS should be followed (see “Prevention of tumour lysis syndrome” above).

Dose modifications for other toxicities

Treatment with Venclyxto should be withheld for any grade 3 or 4 non-haematological toxicities, grade 3 or 4 neutropenia with infection or fever, or grade 4 haematological toxicities, except lymphopenia. Once the toxicity has resolved to grade 1 or baseline level (recovery), therapy with venetoclax may be restarted at the same dose. If the toxicity recurs, and for any subsequent occurrences, the dose reduction guidelines in Table 2 should be followed when resuming treatment with venetoclax following resolution. A larger dose reduction may occur at the discretion of the physician. For patients who require dose reductions to less than 100 mg for more than 2 weeks, discontinuation of venetoclax should be considered.

Table 2: Dose modification for TLS and other toxicities

Dose at interruption

(mg)

Restart dose

(mga)

400

300

300

200

200

100

100

50

50

20

20

10

aThe modified dose should be continued for 1 week before increasing the dose.

For patients who have had a dosing interruption lasting more than 1 week during the first 5 weeks of dose titration or more than 2 weeks after completing the dose-titration phase, TLS risk should be reassessed to determine if restarting at a reduced dose is necessary (e.g., all or some levels of the dose titration; see Table 2).

Dose modifications for use with CYP3A inhibitors

Concomitant use of venetoclax with strong or moderate CYP3A inhibitors increases venetoclax exposure and may increase the risk for TLS at initiation and during the dose-titration phase and for other toxicities (see section 4.5).

Initiation and titration phase

Concomitant use of venetoclax with strong CYP3A inhibitors at initiation and during the dose-titration phase is contraindicated (see sections 4.3, 4.4, and 4.5).

Concomitant use of venetoclax with moderate CYP3A inhibitors at initiation and during the dose-titration phase should be avoided. Alternative treatments should be considered. If a moderate CYP3A inhibitor must be used, the initiation and titration doses of venetoclax should be reduced by at least 50%. Patients should be monitored more closely for signs of toxicities (see sections 4.4 and 4.5).

After completion of titration phase

For patients who are on a steady daily dose of Venclyxto, the venetoclax dose should be reduced by 50% when used concomitantly with moderate CYP3A inhibitors and by 75% when used concomitantly with strong CYP3A inhibitors. Patients should be monitored more closely for signs of toxicities and the dose may need to be further adjusted. The venetoclax dose that was used prior to initiating the CYP3A inhibitor should be resumed 2 to 3 days after discontinuation of the inhibitor (see sections 4.4 and 4.5).

Missed dose

If a patient misses a dose of venetoclax within 8 hours of the time it is usually taken, the patient should take the missed dose as soon as possible on the same day. If a patient misses a dose by more than 8 hours, the patient should not take the missed dose and should resume the usual dosing schedule the following day.

If a patient vomits following dosing, no additional dose should be taken that day. The next prescribed dose should be taken at the usual time the following day.

Special populations

Elderly

No specific dose adjustment is required for elderly patients (aged ≥65 years) (see section 5.1).

Renal impairment

No dose adjustment is needed for patients with mild or moderate renal impairment (CrCl ≥30 ml/min and <90 ml/min) (see section 5.2). Patients with reduced renal function (CrCl <80 ml/min) may require more intensive prophylaxis and monitoring to reduce the risk of TLS at initiation and during the dose-titration phase (see “Prevention of tumour lysis syndrome” above). Safety in patients with severe renal impairment (CrCl <30 ml/min) or on dialysis has not been established, and a recommended dose for these patients has not been determined. Venetoclax should be administered to patients with severe renal impairment only if the benefit outweighs the risk and patients should be monitored closely for signs of toxicity due to increased risk of TLS (see section 4.4).

Hepatic impairment

No dose adjustment is recommended in patients with mild or moderate hepatic impairment. Patients with moderate hepatic impairment should be monitored more closely for signs of toxicity at initiation and during the dose-titration phase (see section 4.8).

A dose reduction of at least 50% throughout treatment is recommended for patients with severe hepatic impairment (see section 5.2). These patients should be monitored more closely for signs of toxicity (see section 4.8).

Paediatric population

The safety and efficacy of venetoclax in children aged less than 18 years have not been established. No data are available.

Method of administration

Venclyxto film-coated tablets are for oral use. Patients should be instructed to swallow the tablets whole with water at approximately the same time each day. The tablets should be taken with a meal in order to avoid a risk for lack of efficacy (see section 5.2). The tablets should not be chewed, crushed, or broken before swallowing.

During the dose-titration phase, venetoclax should be taken in the morning to facilitate laboratory monitoring.

Grapefruit products, Seville oranges, and starfruit (carambola) should be avoided during treatment with venetoclax (see section 4.5).

4.3 Contraindications

Hypersensitivity to the active substance or to any of the excipients listed in section 6.1.

Concomitant use of strong CYP3A inhibitors at initiation and during the dose-titration phase (see sections 4.2 and 4.5).

Concomitant use of preparations containing St. John's wort (see sections 4.4 and 4.5).

4.4 Special warnings and precautions for use

Tumour lysis syndrome

Tumour lysis syndrome, including fatal events, has occurred in patients with previously treated CLL with high tumour burden when treated with venetoclax.

Venetoclax can cause rapid reduction in tumour, and thus poses a risk for TLS in the initial 5-week dose-titration phase. Changes in electrolytes consistent with TLS that require prompt management can occur as early as 6 to 8 hours following the first dose of venetoclax and at each dose increase.

The risk of TLS is a continuum based on multiple factors, including comorbidities. Patients with high tumour burden (e.g., any lymph node with a diameter ≥5 cm or high ALC ≥25 x 109/l) are at greater risk of TLS when initiating venetoclax. Reduced renal function (CrCl <80 ml/min) further increases the risk. Patients should be assessed for risk and should receive appropriate prophylaxis for TLS, including hydration and anti-hyperuricaemics. Blood chemistries should be monitored and abnormalities managed promptly. Dosing should be interrupted if needed (see section 4.2). More intensive measures (intravenous hydration, frequent monitoring, hospitalisation) should be employed as overall risk increases. The instructions for “Prevention of tumour lysis syndrome” should be followed (see section 4.2).

Concomitant use of this medicinal product with strong or moderate CYP3A inhibitors increases venetoclax exposure and may increase the risk for TLS at initiation and during the dose-titration phase (see sections 4.2 and 4.3). Also inhibitors of P-gp or BCRP may increase venetoclax exposure (see section 4.5).

Neutropenia

Grade 3 or 4 neutropenia has been reported in patients treated with venetoclax in the combination study with rituximab (GO28667/MURANO) and in the monotherapy studies (see section 4.8). Complete blood counts should be monitored throughout the treatment period. Dose interruptions or reductions are recommended for patients with severe neutropenia (see section 4.2). Serious infections including events of sepsis with fatal outcome have been reported. Supportive measures including antimicrobials for any signs of infection should be considered.

Immunisation

The safety and efficacy of immunisation with live attenuated vaccines during or following venetoclax therapy have not been studied. Live vaccines should not be administered during treatment and thereafter until B-cell recovery.

CYP3A inducers

Co-administration of CYP3A4 inducers may lead to decreased venetoclax exposure and consequently a risk for lack of efficacy. Concomitant use of venetoclax with strong or moderate CYP3A4 inducers should be avoided (see sections 4.3 and 4.5).

Women of childbearing potential

Women of childbearing potential must use a highly effective method of contraception while taking

venetoclax (see section 4.6).

4.5 Interaction with other medicinal products and other forms of interaction

Venetoclax is predominantly metabolised by CYP3A.

Agents that may alter venetoclax plasma concentrations

CYP3A inhibitors

Co-administration of 400 mg once daily ketoconazole, a strong CYP3A, P-gp and BCRP inhibitor, for 7 days in 11 previously treated patients with NHL increased venetoclax Cmax by 2.3-fold and AUC by 6.4-fold. Co-administration of 50 mg once daily ritonavir, a strong CYP3A and P-gp inhibitor, for 14 days in 6 healthy subjects increased venetoclax Cmax by 2.4-fold and AUC by 7.9-fold. Co-administration of venetoclax with other strong CYP3A4 inhibitors is predicted to increase venetoclax AUC by on average 5.8- to 7.8-fold.

Concomitant use of venetoclax with strong CYP3A inhibitors (e.g., itraconazole, ketoconazole, posaconazole, voriconazole, clarithromycin, ritonavir) at initiation and during the dose-titration phase is contraindicated due to increased risk for TLS (see section 4.3).

At initiation and during the dose-titration phase, concomitant use of venetoclax with moderate CYP3A inhibitors (e.g., ciprofloxacin, diltiazem, erythromycin, fluconazole, verapamil) should be avoided. Alternative treatments should be considered. If a moderate CYP3A inhibitor must be used, the initiation dose of venetoclax and the doses for the titration phase (see section 4.2) should be reduced by at least 50%. Patients should be monitored more closely for signs and symptoms of TLS.

For patients who have completed the dose-titration phase and are on a steady daily dose of venetoclax, the venetoclax dose should be reduced by 50% when used concomitantly with moderate CYP3A inhibitors and by 75% when used concomitantly with strong CYP3A inhibitors. Patients should be monitored more closely for signs of toxicities and the dose may need to be further adjusted. The venetoclax dose that was used prior to initiating the CYP3A inhibitor should be resumed 2 to 3 days after discontinuation of the inhibitor (see section 4.2).

Grapefruit products, Seville oranges, and starfruit (carambola) should be avoided during treatment with venetoclax as they contain inhibitors of CYP3A.

P-gp and BCRP inhibitors

Venetoclax is a substrate for P-gp and BCRP. Co-administration of a 600 mg single dose of rifampin, a P-gp inhibitor, in 11 healthy subjects increased venetoclax Cmax by 106% and AUC by 78%. Concomitant use of venetoclax with P-gp and BCRP inhibitors at initiation and during the dose-titration phase should be avoided; if a P-gp and BCRP inhibitor must be used, patients should be monitored closely for signs of toxicities (see section 4.4).

CYP3A inducers

Co-administration of 600 mg once daily rifampin, a strong CYP3A inducer, for 13 days in 10 healthy subjects decreased venetoclax Cmax by 42% and AUC by 71%. Concomitant use of venetoclax with strong CYP3A inducers (e.g., carbamazepine, phenytoin, rifampin) or moderate CYP3A inducers (e.g., bosentan, efavirenz, etravirine, modafinil, nafcillin) should be avoided. Alternative treatments with less CYP3A induction should be considered. Preparations containing St. John's wort are contraindicated during treatment with venetoclax, as efficacy may be reduced (see section 4.3).

Azithromycin

In a drug-drug interaction study in 12 healthy subjects, co-administration of 500 mg of azithromycin on the first day followed by 250 mg of azithromycin once daily for 4 days decreased venetoclax Cmax by 25% and AUC by 35%. No dose adjustment is needed during short-term use of azithromycin when administered concomitantly with venetoclax.

Gastric acid reducing agents

Based on population pharmacokinetic analysis, gastric acid reducing agents (e.g., proton pump inhibitors, H2-receptor antagonists, antacids) do not affect venetoclax bioavailability.

Bile acid sequestrants

Co-administration of bile acid sequestrants with venetoclax is not recommended as this may reduce the absorption of venetoclax. If a bile acid sequestrant is to be co-administered with venetoclax, the SmPC for the bile acid sequestrant should be followed to reduce the risk for an interaction, and venetoclax should be administered at least 4-6 hours after the sequestrant.

Agents that may have their plasma concentrations altered by venetoclax

Warfarin

In a drug-drug interaction study in three healthy volunteers, administration of a single dose of 400 mg venetoclax with 5 mg warfarin resulted in an 18% to 28% increase in Cmax and AUC of R-warfarin and S-warfarin. Because venetoclax was not dosed to steady state, it is recommended that the international normalized ratio (INR) be monitored closely in patients receiving warfarin.

Substrates of P-gp, BCRP, and OATP1B1

Venetoclax is a P-gp, BCRP and OATP1B1 inhibitor in vitro. In a drug-drug interaction study, administration of a single 100 mg dose of venetoclax with 0.5 mg digoxin, a P-gp substrate, resulted in a 35% increase in digoxin Cmax and a 9% increase in digoxin AUC. Co-administration of narrow therapeutic index P-gp, or BCRP substrates (e.g., digoxin, dabigatran, everolimus, sirolimus) with venetoclax should be avoided.

If a narrow therapeutic index P-gp or BCRP substrate must be used, it should be used with caution. For an orally administered P-gp or BCRP substrate sensitive to inhibition in the gastrointestinal tract (e.g., dabigatran exetilate), its administration should be separated from venetoclax administration as much as possible to minimise a potential interaction.

If a statin (OATP substrate) is used concomitantly with venetoclax, close monitoring of statin-related toxicity is recommended.

4.6 Fertility, pregnancy and lactation

Women of childbearing potential/Contraception in females

Women should avoid becoming pregnant while taking Venclyxto and for at least 30 days after ending treatment. Therefore, women of childbearing potential must use highly effective contraceptive measures while taking venetoclax and for 30 days after stopping treatment. It is currently unknown whether venetoclax may reduce the effectiveness of hormonal contraceptives, and therefore women using hormonal contraceptives should add a barrier method.

Pregnancy

Based on embryo-foetal toxicity studies in animals (see section 5.3), venetoclax may harm the foetus when administered to pregnant women.

There are no adequate and well-controlled data from the use of venetoclax in pregnant women. Studies in animals have shown reproductive toxicity (see section 5.3). Venetoclax is not recommended during pregnancy and in women of childbearing potential not using highly effective contraception.

Breast-feeding

It is unknown whether venetoclax or its metabolites are excreted in human milk.

A risk to the breast-feeding child cannot be excluded.

Breast-feeding should be discontinued during treatment with Venclyxto.

Fertility

No human data on the effect of venetoclax on fertility are available. Based on testicular toxicity in dogs at clinically relevant exposures, male fertility may be compromised by treatment with venetoclax (see section 5.3). Before starting treatment, counselling on sperm storage may be considered in some male patients.

4.7 Effects on ability to drive and use machines

Venclyxto has no or negligible influence on the ability to drive and use machines. Fatigue has been reported in some patients taking venetoclax and should be considered when assessing a patient's ability to drive or operate machines.

4.8 Undesirable effects

Summary of safety profile

The overall safety profile of Venclyxto is based on data from 546 patients with CLL treated in clinical trials with venetoclax in combination with rituximab or as monotherapy. The safety analysis included patients from one phase 3 study (MURANO), two phase 2 studies (M13-982 and M14-032), and one phase 1 study (M12-175). MURANO was a randomised, controlled trial in which 194 patients with previously treated CLL received venetoclax in combination with rituximab. In the phase 2 and phase 1 studies, 352 patients with previously treated CLL, which included 212 patients with 17p deletion and 146 patients who had failed a B-cell receptor pathway inhibitor were treated with venetoclax monotherapy (see section 5.1).

The most commonly occurring adverse reactions (≥20%) of any grade in patients receiving venetoclax in the combination study with rituximab were neutropenia, diarrhoea, and upper respiratory tract infection. In the monotherapy studies, the most common adverse reactions were neutropenia/neutrophil count decreased, diarrhoea, nausea, anaemia, fatigue, and upper respiratory tract infection.

The most frequently reported serious adverse reactions (≥2%) in patients receiving venetoclax in combination with rituximab were pneumonia, febrile neutropenia, and TLS. In the monotherapy studies, the most frequently reported serious adverse reactions (≥2%) were pneumonia and febrile neutropenia.

Tabulated list of adverse reactions

The frequencies of adverse reactions reported with Venclyxto are summarised in Table 3. Adverse reactions are listed below by MedDRA body system organ class and by frequency. Frequencies are defined as very common (≥1/10), common (≥1/100 to <1/10), uncommon (≥1/1,000 to <1/100), rare (≥1/10,000 to <1/1,000), very rare (<1/10,000), not known (cannot be estimated from available data). Within each frequency grouping, undesirable effects are presented in order of decreasing seriousness.

Table 3: Adverse drug reactions reported in patients with CLL treated with venetoclax

System organ class

Frequency (all grades)a

Adverse reactions

Grade ≥3a

Infections and infestations

Very common

Pneumonia

Upper respiratory tract infection

Common

Sepsis

Urinary tract infection

Sepsis

Pneumonia

Urinary tract infection

Upper respiratory tract infection

Blood and lymphatic system disorders

Very common

Neutropenia

Anaemia

Lymphopenia

Neutropenia

Anaemia

Common

Febrile neutropenia

Febrile neutropenia

Lymphopenia

Metabolism and nutrition disorders

Very common

Hyperkalaemia

Hyperphosphataemia

Hypocalcaemia

Common

Tumour lysis syndrome

Hyperuricaemia

Tumour lysis syndrome

Hyperkalaemia

Hyperphosphataemia

Hypocalcaemia

Uncommon

Hyperuricaemia

Gastrointestinal disorders

Very common

Diarrhoea

Vomiting

Nausea

Constipation

Common

Diarrhoea

Vomiting

Nausea

Uncommon

Constipation

General disorders and administration site conditions

Very common

Fatigue

Common

Fatigue

Investigations

Common

Blood creatinine increased

Uncommon

Blood creatinine increased

aOnly the highest frequency observed in the trials is reported (based on studies MURANO, M13-982, M14-032, and M12-175).

Discontinuation and dose reductions due to adverse reactions

Discontinuations due to adverse reactions occurred in 16% of patients treated with the combination of venetoclax and rituximab in the MURANO study. In the monotherapy studies with venetoclax, 11% of patients discontinued due to adverse reactions.

Dosage reductions due to adverse reactions occurred in 15% of patients treated with the combination of venetoclax and rituximab in the MURANO study and 14% of patients treated with venetoclax in the monotherapy studies.

In the MURANO study, dose interruptions due to adverse reactions occurred in 71% of patients treated with the combination of venetoclax and rituximab; the most common adverse reaction that led to dose interruption of venetoclax was neutropenia (43%). In the monotherapy studies with venetoclax, dose interruptions due to adverse reactions occurred in 40% of patients; the most common adverse reaction leading to dose interruption was neutropenia (5%).

Description of selected adverse reactions

Tumour lysis syndrome

Tumour lysis syndrome is an important identified risk when initiating venetoclax. In the initial Phase 1 dose-finding studies, which had a shorter (2 to 3 week) titration phase and higher starting dose, the incidence of TLS was 13% (10/77; 5 laboratory TLS; 5 clinical TLS), including 2 fatal events and 3 events of acute renal failure, 1 requiring dialysis.

The risk of TLS was reduced after revision of the dosing regimen and modification to prophylaxis and monitoring measures. In venetoclax clinical studies, patients with any measurable lymph node ≥10 cm or those with both an ALC ≥25 x 109/l and any measurable lymph node ≥5 cm were hospitalised to enable more intensive hydration and monitoring for the first day of dosing at 20 mg and 50 mg during the titration phase (see section 4.2).

In 168 patients with CLL starting with a daily dose of 20 mg and increasing over 5 weeks to a daily dose of 400 mg in studies M13-982 and M14-032, the rate of TLS was 2%. All events were laboratory TLS (laboratory abnormalities that met ≥2 of the following criteria within 24 hours of each other: potassium >6 mmol/l, uric acid >476 µmol/l, calcium <1.75 mmol/l, or phosphorus >1.5 mmol/l; or were reported as TLS events) and occurred in patients who had a lymph node(s) ≥5 cm or ALC ≥25 x 109/l. No TLS with clinical consequences such as acute renal failure, cardiac arrhythmias or sudden death and/or seizures was observed in these patients. All patients had CrCl ≥50 ml/min.

In the open-label, randomised phase 3 study (MURANO), the incidence of TLS was 3% (6/194) in patients treated with venetoclax + rituximab. After 77/389 patients were enrolled in the study, the protocol was amended to incorporate the current TLS prophylaxis and monitoring measures described in Posology (see section 4.2). All events of TLS occurred during the venetoclax dose-titration phase and resolved within two days. All six patients completed the dose titration and reached the recommended daily dose of 400 mg of venetoclax. No clinical TLS was observed in patients who followed the current 5-week dose-titration schedule and TLS prophylaxis and monitoring measures (see section 4.2). The rates of grade ≥3 laboratory abnormalities relevant to TLS were hyperkalaemia 1%, hyperphosphataemia 1%, and hyperuricaemia 1%.

Neutropenia

Neutropenia is an identified risk with Venclyxto treatment. In the MURANO study, neutropenia was reported in 61% (all grades) of patients on the venetoclax + rituximab arm. Forty-three percent of patients treated with venetoclax + rituximab experienced dose interruption and 3% of patients discontinued venetoclax due to neutropenia. Grade 3 neutropenia was reported in 32% of patients and grade 4 neutropenia in 26% of patients. The median duration of grade 3 or 4 neutropenia was 8 days (range: 1-712 days). With venetoclax + rituximab treatment, febrile neutropenia was reported in 4% of patients, grade ≥3 infections in 18%, and serious infections in 21% of patients.

Reporting of suspected adverse reactions

Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows continued monitoring of the benefit/risk balance of the medicinal product. Healthcare professionals are asked to report any suspected adverse reactions via the Yellow Card Scheme.

Website: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store.

4.9 Overdose

There is no specific antidote for venetoclax. Patients who experience overdose should be closely monitored and appropriate supportive treatment provided. During dose-titration phase, treatment should be interrupted and patients should be monitored carefully for signs and symptoms of TLS (fever, chills, nausea, vomiting, confusion, shortness of breath, seizures, irregular heartbeat, dark or cloudy urine, unusual tiredness, muscle or joint pain, abdominal pain and distension) along with other toxicities (see section 4.2). Based on venetoclax large volume of distribution and extensive protein binding, dialysis is unlikely to result in significant removal of venetoclax.

5. Pharmacological properties
5.1 Pharmacodynamic properties

Pharmacotherapeutic group: other antineoplastic agents, ATC code: L01XX52

Mechanism of action

Venetoclax is a potent, selective inhibitor of B-cell lymphoma (BCL)-2, an anti-apoptotic protein. Overexpression of BCL-2 has been demonstrated in CLL cells where it mediates tumour cell survival and has been associated with resistance to chemotherapeutics. Venetoclax binds directly to the BH3-binding groove of BCL-2, displacing BH3 motif-containing pro-apoptotic proteins like BIM, to initiate mitochondrial outer membrane permeabilization (MOMP), caspase activation, and programmed cell death. In non-clinical studies, venetoclax has demonstrated cytotoxic activity in tumour cells that overexpress BCL-2.

Pharmacodynamic effects

Cardiac electrophysiology

The effect of multiple doses of venetoclax up to 1200 mg once daily on the QTc interval was evaluated in an open-label, single-arm study in 176 patients. Venetoclax had no effect on QTc interval and there was no relationship between venetoclax exposure and change in QTc interval.

Clinical efficacy and safety

Venetoclax in combination with rituximab for the treatment of patients with CLL who have received at least one prior therapy – study GO28667 (MURANO)

A randomised (1:1), multicenter, open-label phase 3 study evaluated the efficacy and safety of Venclyxto + rituximab versus BR in patients with previously treated CLL. Patients in the Venclyxto + rituximab arm completed the Venclyxto 5-week dose-titration schedule and then received 400 mg once daily for 24 months from Cycle 1 Day 1 of rituximab in the absence of disease progression or unacceptable toxicity. Rituximab was initiated after the 5-week dose-titration schedule at 375 mg/m2 for Cycle 1 and 500 mg/m2 for Cycles 2-6. Each cycle was 28 days. Patients randomised to BR received bendamustine at 70 mg/m2 on Days 1 and 2 for 6 cycles and rituximab as described above.

Median age was 65 years (range: 22 to 85); 74% were male, and 97% were white. Median time since diagnosis was 6.7 years (range: 0.3 to 29.5). Median prior lines of therapy was 1 (range: 1 to 5); and included alkylating agents (94%), anti-CD20 antibodies (77%), B-cell receptor pathway inhibitors (2%) and prior purine analogs (81%, including 55% FCR). At baseline, 46.6% of patients had one or more nodes ≥5 cm, and 67.6% had ALC ≥25 x 109/l. A 17p deletion was detected in 26.9% of patients, TP53 mutations in 26.3%, 11q deletion in 36.5%, and unmutated IgVH gene in 68.3%. Median follow-up time for primary analysis was 23.8 months (range: 0.0 to 37.4 months).

Progression-free survival (PFS) was assessed by investigators using the International Workshop for Chronic Lymphocytic Leukaemia (IWCLL) updated National Cancer Institute-sponsored Working Group (NCI-WG) guidelines (2008).

Efficacy results for PFS at the time of pre-specified primary analysis (data cut-off date 8 May 2017) are shown in Table 4.

Table 4: Investigator-assessed progression-free survival in patients with previously treated CLL in MURANO

Venetoclax + rituximab

N = 194

Bendamustine + rituximab

N = 195

Number of events (%)

32 (16.5)

114 (58.5)

Disease progression

21

98

Death events

11

16

Median, months (95% CI)

NR

17.0 (15.5, 21.6)

Hazard ratio (95% CI)

0.17 (0.11, 0.25)

P-valuea

<0.0001

12-month PFS estimate (95% CI)

92.7 (89.1, 96.4)

72.5 (65.9, 79.1)

24-month PFS estimate (95% CI)

84.9 (79.1, 90.6)

36.3 (28.5, 44.0)

CI = confidence interval; NR = not reached

aStratified P-value.

At an updated efficacy analysis with all patients off treatment (data cut-off date 8 May 2018 and median follow-up of 36 months) the 36-month PFS estimate in the venetoclax + rituximab arm was 71.4% [95% CI: 64.8, 78.1] and in the bendamustine + rituximab arm was 15.2% [95% CI: 9.1, 21]. Kaplan-Meier curves of investigator-assessed PFS from the updated efficacy analysis are shown in Figure 1.

In total, 130 patients in the venetoclax + rituximab arm completed 2 years of venetoclax treatment without progression. Of the 130 patients, 92 patients completed the 6-month post treatment follow-up visit. The estimated PFS rate at 6 months post treatment was 92%.

Figure 1: Kaplan-Meier curves of investigator-assessed progression-free survival (intent-to-treat population) in MURANO (data cut-off date 8 May 2018)

Efficacy results for the pre-specified primary analysis (data cut-off date 8 May 2017) were also assessed by an Independent Review Committee (IRC) demonstrating a statistically significant 81% reduction in the risk of progression or death for patients treated with venetoclax + rituximab (hazard ratio: 0.19 [95% CI: 0.13, 0.28]; P<0.0001). Additional efficacy results for the pre-specified primary analysis are shown in Table 5 and Figure 2 and Figure 3.

Table 5. Additional efficacy results in MURANO

Investigator assessed

IRC assessed

Endpoint

Venetoclax + rituximab

N = 194

Bendamustine + rituximab

N = 195

Venetoclax + rituximab

N = 194

Bendamustine + rituximab

N = 195

Response rate

ORR, % (95% CI)

93.3

(88.8, 96.4)

67.7

(60.6, 74.2)

92.3

(87.6, 95.6)

72.3

(65.5, 78.5)

CR+CRi, (%)

26.8

8.2

8.2

3.6

nPR, (%)

3.1

6.2

1.5

0.5

PR, (%)

63.4

53.3

82.5a

68.2a

MRD negativity rate at end of combination treatmentb

Peripheral blood, % (95% CI)c

62.4

(55.2, 69.2)

13.3

(8.9, 18.9)

NA

NA

Bone marrow, % (95% CI)d

15.5(10.7, 21.3)

1.0

(0.1, 3.7)

NA

NA

Overall Survivale

Number of events (%)

15 (7.7)

27 (13.8)

Hazard ratio (95% CI)

0.48 (0.25, 0.90)

Time to next anti-leukaemic therapy

Number of events (%)

23 (11.9)

83 (42.6)

NA

NA

Median, months (95% CI)

NR

26.4

NA

NA

Hazard ratio

0.19 (0.12, 0.31)

NA

CR = complete remission; CRi = complete remission with incomplete marrow recovery; IRC = independent review committee; MRD = minimal residual disease; nPR = nodular partial remission; NA = not available; NR = not reached; ORR = overall response rate (CR + CRi + nPR + PR); PR = partial remission.

aThe discrepancy between IRC- and investigator-assessed CR rate was due to interpretation of residual adenopathy on CT scans. Eighteen patients in the venetoclax + rituximab arm and 3 patients in the bendamustine + rituximab arm had negative bone marrow and lymph nodes <2 cm.

bMinimal residual disease was evaluated using allele-specific oligonucleotide polymerase chain reaction (ASO-PCR) and/or flow cytometry. The cut-off for a negative status was one CLL cell per 104 leukocytes.

cOf those with MRD assay results available in peripheral blood, 72.5% (121/167) in the venetoclax + rituximab arm and 20% (26/128) in the bendamustine + rituximab arm were found to be MRD negative.

dOf those with MRD assay results available in bone marrow, 76.9% (30/39) in the venetoclax + rituximab arm and 6.7% (2/30) in the bendamustine + rituximab arm were found to be MRD negative.

eOverall survival data are not yet mature.

Median DOR was not reached with median follow up of approximately 23.8 months.

Figure 2: Kaplan-Meier curves of overall survival (intent-to-treat population) in MURANO

Results of subgroup analyses

The observed PFS benefit of venetoclax + rituximab compared with bendamustine + rituximab was consistently observed across all subgroups of patients evaluated, including age (< 65, ≥ 65 years and < 75, ≥ 75 years), prior lines of therapy (1, >1), bulky disease (< 5 cm, ≥ 5 cm), 17p deletion, 11q deletion, TP53 mutation, IgVH mutation, and refractory versus relapse to most recent therapy (Figure 3).

Figure 3. Forest plot of Investigator-Assessed PFS in Subgroups from MURANO

17p deletion status was determined based on central laboratory test results.

Unstratified hazard ratio is displayed on the X-axis with logarithmic scale.

NE=not evaluable.

Venetoclax as monotherapy for the treatment of patients with CLL harbouring 17p deletion or TP53 mutation – study M13-982

The safety and efficacy of venetoclax in 107 patients with previously treated CLL with 17p deletion were evaluated in a single arm, open-label, multi-center study (M13-982). Patients followed a 4- to 5-week dose-titration schedule starting at 20 mg and increasing to 50 mg, 100 mg, 200 mg and finally 400 mg once daily. Patients continued to receive venetoclax 400 mg once daily until disease progression or unacceptable toxicity was observed. The median age was 67 years (range: 37 to 85 years); 65% were male, and 97% were white. The median time since diagnosis was 6.8 years (range: 0.1 to 32 years; N=106). The median number of prior anti-CLL treatments was 2 (range: 1 to 10 treatments); 49.5% with a prior nucleoside analogue, 38% with prior rituximab, and 94% with a prior alkylator (including 33% with prior bendamustine). At baseline, 53% of patients had one or more nodes ≥5 cm, and 51% had ALC ≥25 x 109/l. Of the patients, 37% (34/91) were fludarabine refractory, 81% (30/37) harboured the unmutated IgVH gene, and 72% (60/83) had TP53 mutation. The median time on treatment at the time of evaluation was 12 months (range: 0 to 22 months).

The primary efficacy endpoint was overall response rate (ORR) as assessed by an Independent Review Committee (IRC) using the IWCLL updated NCI-WG guidelines (2008). Efficacy results are shown in Table 6. Efficacy data are presented for 107 patients with data cutoff date 30 April 2015. An additional 51 patients were enrolled in a safety expansion cohort. Investigator-assessed efficacy results are presented for 158 patients with a later data cutoff date 10 June 2016. The median time on treatment for 158 patients was 17 months (range: 0 to 34 months).

Table 6: Efficacy results in patients with previously treated CLL with 17p deletion (study M13-982)

Endpoint

IRC assessment

(N=107)a

Investigator assessment

(N=158)b

Data cutoff date

30 April 2015

10 June 2016

ORR, %

(95% CI)

79

(70.5, 86.6)

77

(69.9, 83.5)

CR + CRi, %

7

18

nPR, %

3

6

PR, %

69

53

DOR, months, median (95% CI)

NR

27.5 (26.5, NR)

PFS, % (95% CI)

12-month estimate

24-month estimate

 

72 (61.8, 79.8)

NA

 

77 (69.1, 82.6)

52 (43, 61)

PFS, months, median

(95% CI)

NR

27.2 (21.9, NR)

TTR, months, median (range)

0.8 (0.1-8.1)

1.0 (0.5-4.4)

aOne patient did not harbour the 17p deletion.

bIncludes 51 additional patients from the safety expansion cohort.

CI = confidence interval; CR = complete remission; CRi = complete remission with incomplete marrow recovery, DOR = duration of response; IRC = independent review committee; nPR = nodular PR; NA = not available; NR = not reached; ORR = overall response rate; PFS = progression-free survival, PR = partial remission; TTR = time to first response.

Minimal residual disease (MRD) was evaluated using flow cytometry in 93 of 158 patients who achieved complete remission (CR), complete remission with incomplete marrow recovery (CRi), or partial remission (PR) with limited remaining disease with venetoclax treatment. MRD negativity was defined as a result below 0.0001 (<1 CLL cell per 104 leukocytes in the sample). Twenty-seven percent (42/158) of patients were MRD negative in the peripheral blood, including 16 patients who were also MRD negative in the bone marrow.

Venetoclax as monotherapy for the treatment of patients with CLL who have failed a B-cell receptor pathway inhibitor – study M14-032

The efficacy and safety of venetoclax in patients with CLL who had been previously treated with and failed ibrutinib or idelalisib therapy were evaluated in an open-label, multi-center, non-randomised, phase 2 study (M14-032). Patients received venetoclax via a recommended dose-titration schedule. Patients continued to receive venetoclax 400 mg once daily until disease progression or unacceptable toxicity was observed.

At the time of data cut-off (26 July 2017), 127 patients were enrolled and treated with venetoclax. Of these, 91 patients had received prior ibrutinib therapy (Arm A) and 36 had received prior idelalisib therapy (Arm B). The median age was 66 years (range: 28 to 85 years), 70% were male, and 92% were white. The median time since diagnosis was 8.3 years (range: 0.3 to 18.5 years; N=96). Chromosomal aberrations were 11q deletion (34%, 43/127), 17p deletion (40%, 50/126), TP53 mutation (38%, 26/68) and unmutated IgVH (78%, 72/92). At baseline, 41% of patients had one or more nodes ≥5 cm and 31% had ALC ≥25 x 109/l. The median number of prior oncology treatments was 4 (range: 1 to 15) in ibrutinib-treated patients and 3 (range: 1 to 11) in idelalisib-treated patients. Overall, 65% of patients received prior nucleoside analogue, 86% rituximab, 39% other monoclonal antibodies, and 72% alkylating agent (including 41% with bendamustine). At the time of evaluation, median duration of treatment with venetoclax was 14.3 months (range: 0.1 to 31.4 months).

The primary efficacy endpoint was ORR according to IWCLL updated NCI-WG guidelines. Response assessments were performed at 8 weeks, 24 weeks, and every 12 weeks thereafter.

Table 7: Efficacy results as assessed by investigator in patients who have failed a B-cell receptor pathway inhibitor (study M14-032)

Arm A

(ibrutinib failures)

(N=91)

Arm B

(idelalisib failures)

(N=36)

Total

(N=127)

ORR, %

(95% CI)

65

(54.1, 74.6)

67

(49.0, 81.4)

65

(56.4, 73.6)

CR + CRi, %

10

11

10

nPR, %

3

0

2

PR, %

52

56

53

PFS, % (95% CI)

12-month estimate

24-month estimate

 

75 (64.7, 83.2)

51 (36.3, 63.9)

 

80 (63.1, 90.1)

61 (39.6, 77.4)

 

77 (68.1, 83.4)

54 (41.8, 64.6)

PFS, months, median (95% CI)

25 (19.2, NR)

NR (16.4, NR)

25 (19.6, NR)

OS, % (95% CI)

12-month estimate

 

91 (82.8, 95.4)

 

94.2 (78.6, 98.5)

 

92 (85.6, 95.6)

TTR, months, median (range)

2.5 (1.6-14.9)

2.5 (1.6-8.1)

2.5 (1.6-14.9)

17p deletion and/or TP53 mutation status

ORR, % (95% CI)

Yes

(n=28)

61 (45.4, 74.9)

(n=7)

58 (27.7, 84.8)

(n=35)

60 (46.6, 73.0)

No

(n=31)

69 (53.4, 81.8)

(n=17)

71 (48.9, 87.4)

(n=48)

70 (57.3, 80.1)

CI = confidence interval; CR = complete remission; CRi = complete remission with incomplete marrow recovery, nPR = nodular PR; NR = not reached, ORR = overall response rate;. OS = overall survival; PFS = progression-free survival, PR = partial remission, TTR = time to first response.

The efficacy data were further evaluated by an IRC demonstrating a combined ORR of 70% (Arm A: 70%; Arm B: 69%). One patient (ibrutinib failure) achieved complete remission with incomplete marrow recovery. The ORR for patients with 17p deletion and/or TP53 mutation was 72% (33/46) (95% CI: 56.5, 84.0) in Arm A and 67% (8/12) (95% CI: 34.9, 90.1) in Arm B. For patients without 17p deletion and/or TP53 mutation, the ORR was 69% (31/45) (95% CI: 53.4, 81.8) in Arm A and 71% (17/24) (95% CI: 48.9, 87.4) in Arm B.

Median OS and DOR were not reached with median follow-up of approximately 14.3 months for Arm A and 14.7 months for Arm B.

Twenty-five percent (32/127) of patients were MRD negative in the peripheral blood, including 8 patients who were also MRD negative in bone marrow.

Elderly patients

Of the 194 patients with previously treated CLL who received venetoclax in combination with rituximab, 50% were 65 years or older.

Of the 107 patients who were evaluated for efficacy from M13-982 study, 57% were 65 years or older. Of the 127 patients who were evaluated for efficacy from M14-032 study, 58% were 65 years or older.

Of the 296 patients evaluated for safety from 3 open-label monotherapy trials, 57% were 65 years or older.

There were no overall differences in safety or efficacy observed between older and younger patients in the combination study with venetoclax + rituximab and the monotherapy studies.

Paediatric population

The European Medicines Agency has waived the obligation to submit the results of studies with Venclyxto in all subsets of the paediatric population in CLL (see section 4.2 for information on paediatric use).

5.2 Pharmacokinetic properties

Absorption

Following multiple oral administrations, maximum plasma concentration of venetoclax was reached 5-8 hours after dose. Venetoclax steady state AUC increased proportionally over the dose range of 150-800 mg. Under low-fat meal conditions, venetoclax mean (± standard deviation) steady state Cmax was 2.1 ± 1.1 μg/ml and AUC24 was 32.8 ± 16.9 μg•h/ml at the 400 mg once daily dose.

Effect of food

Administration with a low-fat meal increased venetoclax exposure by approximately 3.4-fold and administration with a high-fat meal increased venetoclax exposure by 5.1- to 5.3-fold compared to fasting conditions. It is recommended that venetoclax should be administered with a meal (see section 4.2).

Distribution

Venetoclax is highly bound to human plasma protein with unbound fraction in plasma <0.01 across a concentration range of 1-30 µM (0.87-26 µg/ml). The mean blood-to-plasma ratio was 0.57. The population estimate for apparent volume of distribution (Vdss/F) of venetoclax ranged from 256-321 L in patients.

Biotransformation

In vitro studies demonstrated that venetoclax is predominantly metabolised by cytochrome P450 CYP3A4. M27 was identified as a major metabolite in plasma with an inhibitory activity against BCL-2 that is at least 58-fold lower than venetoclax in vitro.

In vitro interaction studies

Co administration with CYP and UGT substrates

In vitro studies indicated that venetoclax is not an inhibitor or inducer of CYP1A2, CYP2B6, CYP2C19, CYP2D6 or CYP3A4 at clinically relevant concentrations. Venetoclax is a weak inhibitor of CYP2C8, CYP2C9 and UGT1A1 in vitro, but it is not predicted to cause clinically relevant inhibition. Venetoclax is not an inhibitor of UGT1A4, UGT1A6, UGT1A9 and UGT2B7.

Co administration with transporter substrates/inhibitors

Venetoclax is a P-gp and BCRP substrate as well as a P-gp and BCRP inhibitor and a weak OATP1B1 inhibitor in vitro (see section 4.5). Venetoclax is not expected to inhibit OATP1B3, OCT1, OCT2, OAT1, OAT3, MATE1 or MATE2K at clinically relevant concentrations.

Elimination

The population estimate for the terminal phase elimination half-life of venetoclax was approximately 26 hours. Venetoclax shows minimal accumulation with accumulation ratio of 1.30-1.44. After a single oral administration of 200 mg radiolabeled [14C]-venetoclax to healthy subjects, >99.9% of the dose was recovered in faeces and <0.1% of the dose was excreted in urine within 9 days. Unchanged venetoclax accounted for 20.8% of the administered radioactive dose excreted in faeces. The pharmacokinetics of venetoclax do not change over time.

Special populations

Renal impairment

Based on a population pharmacokinetic analysis that included 219 subjects with mild renal impairment (CrCl ≥60 and <90 ml/min), 86 subjects with moderate renal impairment (CrCl ≥30 and <60 ml/min) and 217 subjects with normal renal function (CrCl ≥90 ml/min), venetoclax exposures in subjects with mild or moderate renal impairment are similar to those with normal renal function. The pharmacokinetics of venetoclax has not been studied in subjects with severe renal impairment (CrCl <30 ml/min) or patients on dialysis (see section 4.2).

Hepatic impairment

Based on a population pharmacokinetic analysis that included 74 subjects with mild hepatic impairment, 7 subjects with moderate hepatic impairment and 442 subjects with normal hepatic function, venetoclax exposures are similar in subjects with mild and moderate hepatic impairment and normal hepatic function. Mild hepatic impairment was defined as normal total bilirubin and aspartate transaminase (AST) > upper limit of normal (ULN) or total bilirubin >1.0 to 1.5 times ULN, moderate hepatic impairment as total bilirubin >1.5 to 3.0 times ULN, and severe hepatic impairment as total bilirubin >3.0 ULN.

In a dedicated hepatic impairment study, venetoclax Cmax and AUC in subjects with mild (Child-Pugh A; n=6) or moderate (Child-Pugh B; n=6) hepatic impairment were similar to subjects with normal hepatic function, after receiving a 50 mg single dose of venetoclax. In subjects with severe (Child-Pugh C; n=5) hepatic impairment, the mean venetoclax Cmax was similar to subjects with normal hepatic function but venetoclax AUCinf was on average 2.7-fold higher (range: no change to 5-fold higher) than venetoclax AUCinf in the subjects with normal hepatic function (see section 4.2).

Effects of age, sex, and weight

Based on population pharmacokinetic analyses, age, sex, and weight do not have an effect on venetoclax clearance.

5.3 Preclinical safety data

Toxicities observed in animal studies with venetoclax included dose -dependent reductions in lymphocytes and red blood cell mass. Both effects were reversible after cessation of dosing with venetoclax, with recovery of lymphocytes occurring 18 weeks post treatment. Both B- and T-cells were affected, but the most significant decreases occurred with B-cells.

Venetoclax also caused single cell necrosis in various tissues, including the gallbladder and exocrine pancreas, with no evidence of disruption of tissue integrity or organ dysfunction; these findings were minimal to mild in magnitude.

After approximately 3 months of daily dosing in dogs, venetoclax caused progressive white discoloration of the hair coat, due to loss of melanin pigment in the hair.

Carcinogenicity/genotoxicity

Carcinogenicity studies have not been conducted with venetoclax.

Venetoclax was not genotoxic in bacterial mutagenicity assay, in vitro chromosome aberration assay and in vivo mouse micronucleus assay. The M27 metabolite was negative for genotoxicity in the bacterial mutagenicity and chromosomal aberration assays.

Reproductive toxicity

No effects on fertility were observed in fertility and early embryonic development studies in male and female mice. Testicular toxicity (germ cell loss) was observed in general toxicity studies in dogs at exposures of 0.5 to 18 times the human AUC exposure at the recommended dose. Reversibility of this finding has not been demonstrated.

In embryo-foetal development studies in mice, venetoclax was associated with increased post-implantation loss and decreased foetal body weight at exposures of 1.1 times the human AUC exposure at the recommended dose. In rabbits, venetoclax produced maternal toxicity, but no foetal toxicity at exposures of 0.1 times the human AUC exposure at the recommended dose.

6. Pharmaceutical particulars
6.1 List of excipients

Venclyxto 10 mg film-coated tablets

Tablet core

Copovidone (K 28)

Colloidal anhydrous silica (E551)

Polysorbate 80 (E433)

Sodium stearyl fumarate

Anhydrous calcium hydrogen phosphate (E341 (ii))

Film-coating

Iron oxide yellow (E172)

Polyvinyl alcohol (E1203)

Titanium dioxide (E171)

Macrogol 3350 (E1521)

Talc (E553b)

Venclyxto 50 mg film-coated tablets

Tablet core

Copovidone (K 28)

Colloidal anhydrous silica (E551)

Polysorbate 80 (E433)

Sodium stearyl fumarate

Anhydrous calcium hydrogen phosphate (E341 (ii))

Film-coating

Iron oxide yellow (E172)

Iron oxide red (E172)

Iron oxide black (E172)

Polyvinyl alcohol (E1203)

Titanium dioxide (E171)

Macrogol 3350 (E1521)

Talc (E553b)

Venclyxto 100 mg film-coated tablets

Tablet core

Copovidone (K 28)

Colloidal anhydrous silica (E551)

Polysorbate 80 (E433)

Sodium stearyl fumarate

Anhydrous calcium hydrogen phosphate (E341 (ii))

Film-coating

Iron oxide yellow (E172)

Polyvinyl alcohol (E1203)

Titanium dioxide (E171)

Macrogol 3350 (E1521)

Talc (E553b)

6.2 Incompatibilities

Not applicable.

6.3 Shelf life

Venclyxto 10 mg film-coated tablets

2 years.

Venclyxto 50 mg film-coated tablets

2 years.

Venclyxto 100 mg film-coated tablets

3 years.

6.4 Special precautions for storage

This medicinal product does not require any special storage conditions.

6.5 Nature and contents of container

Venclyxto film-coated tablets are supplied in PVC/PE/PCTFE aluminium foil blisters containing either 1, 2 or 4 film-coated tablets.

Venclyxto 10 mg tablets

The film-coated tablets are supplied in cartons containing either 10 or 14 tablets (in blisters of 2 tablets).

Venclyxto 50 mg tablets

The film-coated tablets are supplied in cartons containing either 5 or 7 tablets(in blisters of 1 tablet).

Venclyxto 100 mg tablets

The film-coated tablets are supplied in cartons containing either 7 (in blisters of 1 tablet) or 14 tablets (in blisters of 2 tablets); or a multipack containing 112 tablets (4 x 28 tablets (in blisters of 4 tablets)).

Not all pack sizes may be marketed.

6.6 Special precautions for disposal and other handling

Any unused medicinal product or waste material should be disposed of in accordance with local requirements.

7. Marketing authorisation holder

AbbVie Deutschland GmbH & Co. KG

Knollstrasse

67061 Ludwigshafen

Germany

8. Marketing authorisation number(s)

EU/1/16/1138/001 (10 mg, 10 tablets)

EU/1/16/1138/002 (10 mg, 14 tablets)

EU/1/16/1138/003 (50 mg, 5 tablets)

EU/1/16/1138/004 (50 mg, 7 tablets)

EU/1/16/1138/005 (100 mg 7 tablets)

EU/1/16/1138/006 (100 mg, 14 tablets)

EU/1/16/1138/007 (100 mg, 112 (4 x 28) tablets)

9. Date of first authorisation/renewal of the authorisation

Date of first authorisation: 5 December 2016

Date of latest renewal: 6 September 2018

10. Date of revision of the text

28 June 2019

Detailed information on this medicinal product is available on the website of the European Medicines Agency http://www.ema.europa.eu.

Company Contact Details
AbbVie Ltd
Address

AbbVie House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4UB, UK

Telephone

+44 (0)1628 561 092

Out of Hours Telephone

+44 (0)1628 561 092

WWW

http://www.abbvie.co.uk

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