4.8 Undesirable effects
Patients with growth hormone deficiency are characterized by extracellular volume deficit. When treatment with somatropin is started this deficit is rapidly corrected. In adult patients adverse effects related to fluid retention, such as peripheral oedema, stiffness in the extremities, arthralgia, myalgia and paraesthesia are common. In general these adverse effects are mild to moderate, arise within the first months of treatment and subside spontaneously or with dose-reduction.
The incidence of these adverse effects is related to the administered dose, the age of patients, and possibly inversely related to the age of patients at the onset of growth hormone deficiency. In children such adverse effects are uncommon.
Omnitrope has given rise to the formation of antibodies in approximately 1 % of the patients. The binding capacity of these antibodies has been low and no clinical changes have been associated with their formation, see section 4.4.
The following undesirable effects have been observed and reported during treatment with Omnitrope with the following frequencies: 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).
Neoplasms benign, malignant and unspecified (including cysts and polyps):
Very rare: Leukemia*
Immune system disorders:
Common: Formation of antibodies
Endocrine disorders:
Rare: Diabetes mellitus type II
Nervous system disorders:
Common: In adults: paraesthesia
Uncommon: In adults: carpal tunnel syndrome. In children: paraesthesia
Rare: Benign intracranial hypertension
Skin and subcutaneous tissue disorders:
Common: In children: transient local skin reactions
Musculoskeletal and connective tissue disorders:
Common: In adults: stiffness in the extremities, arthralgia, myalgia
Uncommon: In children: stiffness in the extremities, arthralgia, myalgia
General disorders and administration site conditions:
Common: In adults: peripheral oedema
Uncommon: In children: peripheral oedema
Somatropin has been reported to reduce serum cortisol levels, possibly by affecting carrier proteins or by increased hepatic clearance. The clinical relevance of these findings may be limited. Nevertheless, corticosteroid replacement therapy should be optimised before initiation of therapy.
*Very rare cases of leukemia have been reported in growth hormone deficient children treated with Omnitrope, but the incidence appears to be similar to that in children without growth hormone deficiency, see section 4.4.
5.1 Pharmacodynamic properties
Pharmacotherapeutic group: Pituitary and hypothalamic hormones and analogues, anterior pituitary lobe hormones and analogues. ATC code: H01AC01.
Omnitrope is a biosimilar medicinal product. Detailed information is available on the website of the European Medicines Agency http://www.ema.europa.eu/
9. DATE OF FIRST AUTHORISATION/RENEWAL OF THE AUTHORISATION
Date of first authorisation: 12 April 2006
Date of latest renewal: 28 February 2011
11. DATE OF REVISION OF THE TEXT
28 February 2011
Detailed information on this product is available on the website of the European Medicines Agency http://www.ema.europa.eu/