What Genotropin Treats
Genotropin (somatropin) is a recombinant human growth hormone used to treat growth hormone deficiency in children and adults. In children, it addresses growth failure from inadequate endogenous growth hormone secretion, chronic kidney disease, Turner syndrome, Prader-Willi syndrome, or being born small for gestational age with no catch-up growth by age 2-4. In adults, it replaces growth hormone lost due to pituitary disease, hypothalamic disease, surgery, radiation, or trauma.[1]
How Genotropin Works
It mimics the natural growth hormone produced by the pituitary gland, stimulating linear growth in children via IGF-1 production in the liver and tissues. In adults, it helps maintain body composition, bone density, and metabolism.[1][2]
Common Forms and Dosing
Available as injectable pens (MiniQuick, GoQuick) or vials for subcutaneous use. Dosing varies: children typically get 0.16-0.24 mg/kg/week divided daily; adults start at 0.2-0.3 mg/day, titrated by IGF-1 levels. Treatment requires monitoring height, IGF-1, and thyroid function.[1]
Who Shouldn't Use It
Contraindicated in active malignancy, acute critical illness, or hypersensitivity. Avoid in Prader-Willi patients with obesity or breathing issues due to sudden death risk.[1][2]
Potential Side Effects
Injection site reactions, headaches, muscle pain, joint stiffness, fluid retention, or increased intracranial pressure occur in up to 20% of users. Rare risks include glucose intolerance, hypothyroidism, or scoliosis progression in fast-growing children. Long-term cancer risk is debated but monitored.[1]
Alternatives to Genotropin
Other growth hormone brands include Norditropin, Humatrope, Nutropin, and Omnitrope. Biosimilars like Omnitrope offer similar efficacy at lower cost. Non-drug options like GH-releasing hormone analogs exist for select cases.[2]
Cost and Access
Monthly cost ranges $1,000-$3,000 without insurance, depending on dose. Patient assistance programs from Pfizer reduce out-of-pocket for eligible users.[2]
[1] Genotropin Prescribing Information (Pfizer)
[2] DrugPatentWatch.com - Genotropin