An Open Label, Longitudinal Study of the Effects of Subcutaneous Acute and Chronic Pasireotide (som230) Therapy on Adrenocorticotrophic Hormone and Tumour Volume in Patients With Nelson's Syndrome
Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Serum ACTH levels in patients with Nelson's syndrome.
Early morning plasma ACTH sampled at 0, 1, 2, and 3 hours after morning hydrocortisone (HC) during 4 weeks of pasireotide 1200ug/day compared with levels at these respective time points found at baseline, and after chronic depot pasireotide 60mg i.m every 28 days: Complete success: Fall in pre-HC plasma ACTH > 400ng/l, or 120 minutes after HC >200ng/l Partial success: Fall in pre-HC plasma ACTH < 399ng/l >200ng/l, or 120 minutes after HC <199ng/l >100ng/l No success: Fall in pre-HC plasma ACTH < 199ng/l, or 120 minutes after HC <99ng/l
Sheffield Teaching Hospitals NHS Foundation Trust
United Kingdom: Medicines and Healthcare Products Regulatory Agency