Acromegaly:
Initial: 20 mg SC intragluteally every 4 weeks for 3 months. Adjust dose as necessary based on clinical response.
Dosage adjustments based on GH, IGF-1 levels, and symptom control:
GH ≤1 ng/mL, IGF-1 normal, and symptoms controlled: Reduce to 10 mg every 4 weeks.
GH >1 to ≤2.5 ng/mL, IGF-1 normal, and symptoms controlled: Maintain at 20 mg every 4 weeks.
GH >2.5 ng/mL, IGF-1 elevated, and/or symptoms uncontrolled: Increase to 30 mg every 4 weeks. Further dose increase to 40 mg if needed. Doses >40 mg not recommended, but up to 60 mg every 4 weeks used in some cases.
Carcinoid Syndrome and VIPomas:
Initial: 20 mg SC intragluteally every 4 weeks or 20 to 30 mg SC intragluteally every 4 weeks.
Dose adjustments based on response:
Decrease to 10 mg every 4 weeks after 2 months if initially responsive to 20 mg dose.
Increase to 30 mg every 4 weeks if symptoms inadequately controlled after 2 months.