Comparison of Oral Octreotide Capsules to Injectable Somatostatin Analogs in Acromegaly

    Not Recruiting
  • participants needed
  • sponsor
    Chiasma, Inc.
Updated on 28 April 2022
growth hormone
insulin-like growth factor


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 sustained biochemical response up to 13 months in patients with acromegaly previously managed with somatostatin analog injections (ref).

The purpose of this study is to compare the efficacy safety and patient reported outcomes between oral octreotide capsules and injectable somatostatin analogs.


This will be a phase 3, randomized, open-label, active controlled, multicenter study to evaluate maintenance of response, safety and patient reported outcomes (PROs) in acromegaly patients treated with octreotide capsules and in patients treated with SOC parenteral SRLs, who previously tolerated and demonstrated biochemical control on both treatments.

The core study will consist of three phases: a Screening phase, Run-in phase and a Randomized Controlled Treatment Phase (RCT).

Eligible patients who are biochemically controlled on parenteral SRLs will be switched to octreotide capsules for a 26-week Run-in phase. During this phase the effective dose for each patient will be determined through dose titration.

Patients whose acromegaly is been controlled biochemically on octreotide capsules at the end of the Run-in Phase will enter a 36-week open-label Randomized Controlled Treatment Phase, where they will be randomized to continue on octreotide capsules or switch back to their injectable SRL treatment (as received prior to Screening).

Following the completion of the core study (Screening, Run-in and RCT phases), eligible patients will be offered to enter the Study Extension phase and receive octreotide capsules until product marketing or study termination.

A Sub-study, in selected sites, would allow patients with in-adequate biochemical control on octreotide capsules during the Run-in Phase to enter a Combination phase and receive co-administration of octreotide capsules with cabergoline tablets for a total of 36 weeks.

Condition Acromegaly
Treatment Cabergoline, Octreotide capsules, Injectable Somatostatin Analogs (octreotide or lanreotide)
Clinical Study IdentifierNCT02685709
SponsorChiasma, Inc.
Last Modified on28 April 2022

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