Octreotide capsule is a novel, orally-administered formulation of the commercially-available injectable drug octreotide. In a recent phase 3 trial, oral octreotide capsules demonstrated maintenance of biochemical response up to 13 months in the majority of patients with acromegaly previously managed with somatostatin analog injections (reference below).
This is a double blind, randomized study that assesses the efficacy and safety of octreotide capsules vs. placebo. Eligible acromegaly patients, treated with injectable somatostatin analogs, who are biochemically controlled and have prior evidence of active disease, will be randomized to receive either octreotide capsules or placebo for up to 36 weeks. At the end of this double blind, placebo controlled period, eligible patients will receive octreotide capsules in an open-labeled extension for at least one year. Patients failing to respond (per protocol), to oral treatment, (either placebo or octreotide capsules), will be rescued with the standard of care and upon meeting the eligibility criteria could also enroll into the long term extension with octreotide capsules. This study received agreement from the FDA, under a special protocol assessment.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
56
octreotide capsules 40 mg/day, 60 mg/day, 80 mg/day (individual dose titration)
Matching placebo capsules
Number of Patients Who Maintain Their Biochemical Response at the End of the Double Blind Placebo Controlled (DPC) Period.
Maintenance of response was defined by using the average IGF-1 level of the last 2 available assessments in the DPC period. If the average IGF-1 is ≤ 1×ULN, a patient was classified as a responder (i.e., maintained their biochemical response). If the average IGF-1 is \> 1×ULN, a patient was classified as a non-responder. Patients who discontinue study medication during the DPC period for any reason was classified as non-responders for the primary analysis, regardless of their IGF-1 values.
Time frame: Week 36
Number of Patients Who Maintain Growth Hormone (GH) Response at the End of the Double Blind Placebo Controlled Period
Maintenance of GH response was defined as having mean Growth Hormone (5 measurements 30 minutes apart) \< 2.5 ng/mL at the end of the double blind placebo controlled period, out of those who were responders on Somatostatin Receptor Ligands (SRLs) injections at Screening.
Time frame: Week 36
Number of Patients Who Begin Rescue Treatment
Number of Patients who Began Rescue Treatment Prior to and Including Week 36
Time frame: Week 36
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