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Trial · NCT01412424

Efficacy and Safety of Octreotide (MYCAPSSA™ [Formerly Octreolin™]) for Acromegaly

NCT01412424, Phase 3, Completed, Chiasma, Inc.; results first posted 2015-12-01

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Efficacy and Safety of Octreotide (MYCAPSSA™ [Formerly Octreolin™]) for Acromegaly. Trials, record NCT01412424. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT01412424

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Efficacy and Safety of Octreotide (MYCAPSSA™ [Formerly Octreolin™]) for Acromegaly
NCT number
NCT01412424
Status
Completed
Phases
Phase 3
Enrollment
155 participants, actual
Lead sponsor
Chiasma, Inc.
Conditions
Acromegaly
Interventions
Octreotide capsules
First posted
2011-08-09
Last updated
2017-08-17
Results first posted
2015-12-01

Source ClinicalTrials.gov

Registered outcomes8

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryPercentage of Responders at the End of the Core Treatment PeriodEnd of the core treatment period (up to 7 months)
A responder was defined as a participant with a serum insulin-like growth factor-1 (IGF-1) concentration \< 1.3 times the upper limit of normal (adjusted for age and gender) and a growth hormone (GH) concentration \< 2.5 ng/mL. The growth hormone concentration was the mean of 5 fasted GH serum concentrations collected at 30 minute intervals for 2 hours, 2 to 4 hours post-octreotide dose. IGF-1 concentration was determined in serum samples taken at the same visits GH concentration was assessed.
PrimaryPercentage of Responders at the End of the Extension Treatment PeriodEnd of the extension treatment period (up to 13 months)
A responder was defined as a participant with a serum insulin-like growth factor-1 (IGF-1) concentration \< 1.3 times the upper limit of normal (adjusted for age and gender) and a growth hormone (GH) concentration \< 2.5 ng/mL. The growth hormone concentration was the mean of 5 fasted GH serum concentrations collected at 30 minute intervals for 2 hours, 2 to 4 hours post-octreotide dose. IGF-1 concentration was determined in serum samples taken at the same visits GH concentration was assessed.
SecondaryPercentage of Participants With Specified IGF-1 and GH Concentrations at Baseline and at the End of the Core Treatment PeriodBaseline and the end of the core treatment period (up to 7 months)
Percentage of participants with the following serum insulin-like growth factor-1 (IGF-1) and growth hormone (GH) concentrations at Baseline and at the end of the core treatment period (ECTP): IGF-1 \< 1.3 times the upper limit of normal (ULN) and GH \< 5.0 ng/mL, IGF-1 \< 1.3 times ULN and GH \< 1.0 ng/mL, IGF-1 ≤ 1.0 times ULN and GH \< 5.0 ng/mL, IGF-1 ≤ 1.0 times ULN and GH \< 2.5 ng/mL, IGF-1 ≤ 1.0 times ULN and GH \< 1.0 ng/mL, IGF-1 \< 1.3 times ULN, IGF-1 ≤ 1.0 times ULN, GH \< 5.0 ng/mL, GH \< 2.5 ng/mL, GH \< 1.0 ng/mL, IGF-1 ≥ 1.3 times ULN and GH \< 2.5 ng/mL, IGF-1 \< 1.3 times ULN and GH ≥ 2.5 ng/mL, and IGF-1 ≥ 1.3 times ULN and GH ≥ 2.5 ng/mL. The growth hormone concentration was the mean of 5 fasted GH serum concentrations collected at 30 minute intervals for 2 hours, 2 to 4 hours post-octreotide dose. IGF-1 concentration was determined in serum samples taken at the same visits GH concentration was assessed.
SecondaryMaintenance of Response During the Fixed Dose Phase of the Core Treatment PeriodBeginning of the fixed dose phase of the core treatment period and the end of the core treatment period (up to 7 months)
Maintenance of response during the fixed dose phase of the core treatment period was defined as the percentage of participants with an insulin-like growth factor-1 (IGF-1) concentration \< 1.3 times the upper limit of normal at the beginning of the fixed dose phase of the core treatment period and at the end of the core treatment period. IGF-1 concentration was determined in serum samples taken at the same visits growth hormone concentration was assessed.
SecondaryPercentage of Participants With Specified IGF-1 and GH Concentrations at the Beginning and at the End of the Extension Treatment PeriodBeginning and the end of the extension treatment period (up to 6 months)
Percentage of participants with the following serum insulin-like growth factor-1 (IGF-1) and growth hormone (GH) concentrations at the beginning (BETP) and at the end (EETP) of the extension treatment period: IGF-1 \< 1.3 times the upper level of normal (ULN) and GH \< 5.0 ng/mL, IGF-1 \< 1.3 times ULN and GH \< 1.0 ng/mL, IGF-1 ≤ 1.0 times ULN and GH \< 5.0 ng/mL, IGF-1 ≤ 1.0 times ULN and GH \< 2.5 ng/mL, IGF-1 ≤ 1.0 times ULN and GH \< 1.0 ng/mL, IGF-1 \< 1.3 times ULN, IGF-1 ≤ 1.0 times ULN, GH \< 5.0 ng/mL, GH \< 2.5 ng/mL, GH \< 1.0 ng/mL, IGF-1 ≥ 1.3 times ULN and GH \< 2.5 ng/mL, IGF-1 \< 1.3 times ULN and GH ≥ 2.5 ng/mL, and IGF-1 ≥ 1.3 times ULN and GH ≥ 2.5 ng/mL. The growth hormone concentration was the mean of 5 fasted GH serum concentrations collected at 30 minute intervals for 2 hours, 2 to 4 hours post-octreotide dose. IGF-1 concentration was determined in serum samples taken at the same visits GH concentration was assessed.
SecondaryMaintenance of Response During the Extension Treatment PeriodBeginning of the extension treatment period and the end of the extension treatment period (up to 13 months)
Maintenance of an insulin-like growth factor-1 (IGF-1) response during the extension treatment period was defined as the percentage of participants with an IGF-1 concentration \< 1.3 times the upper limit of normal at the beginning of the extension treatment period and at the end of the extension treatment period. IGF-1 concentration was determined in serum samples taken at the same visits growth hormone concentration was assessed.
SecondaryPercentage of Participants With Improved or Maintained Acromegaly Symptoms at the End of the Extension Treatment PeriodBaseline and the end of the extension treatment period (up to 13 months)
The severity (absent, mild, moderate, severe) of the 5 acromegaly symptoms headache, perspiration, asthenia, swelling of extremities, and joint pain was assessed at Baseline and at the end of the extension treatment period. The percentage of participants with improved or maintained (no change) acromegaly symptoms from Baseline at the end of the extension treatment period is reported.
SecondaryPercentage of Participants With ≥ 1, 2, or 3 Acromegaly Symptoms at Baseline and at the End of the Extension Treatment PeriodBaseline and the end of the extension treatment period (up to 13 months)
Reported is the percentage of participants who had ≥ 1, 2, or 3 of the 5 symptoms of acromegaly (headaches, perspiration, asthenia, swelling of extremities, or joint pain) of any severity (mild, moderate, or severe). This was a post hoc analysis.

Outcomes8

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYPercentage of Responders at the End of the Core Treatment PeriodEnd of the core treatment period (up to 7 months)Modified intent-to-treat population: All enrolled participants who received any amount of study drug and who had at least 1 IGF-1 or GH assessment after the first dose of octreotide.Percentage of respondersNUMBER
PRIMARYPercentage of Responders at the End of the Extension Treatment PeriodEnd of the extension treatment period (up to 13 months)Extension intent-to-treat population: All participants who entered the extension treatment period and received any amount of study drug during the extension treatment period.Percentage of respondersNUMBER
SECONDARYPercentage of Participants With Specified IGF-1 and GH Concentrations at Baseline and at the End of the Core Treatment PeriodBaseline and the end of the core treatment period (up to 7 months)Modified intent-to-treat population: All enrolled participants who received any amount of study drug and who had at least 1 IGF-1 or GH assessment after the first dose of octreotide.Percentage of participantsNUMBER
SECONDARYMaintenance of Response During the Fixed Dose Phase of the Core Treatment PeriodBeginning of the fixed dose phase of the core treatment period and the end of the core treatment period (up to 7 months)
Fixed dose population: All enrolled participants who received any amount of study drug, who had at least 1 IGF-1 or GH assessment after the first dose of octreotide, and who entered the fixed dose phase of the core treatment period.
Percentage of participantsNUMBER
SECONDARYPercentage of Participants With Specified IGF-1 and GH Concentrations at the Beginning and at the End of the Extension Treatment PeriodBeginning and the end of the extension treatment period (up to 6 months)Extension intent-to-treat population: All participants who entered the extension treatment period and received any amount of study drug during the extension treatment period.Percentage of participantsNUMBER
SECONDARYMaintenance of Response During the Extension Treatment PeriodBeginning of the extension treatment period and the end of the extension treatment period (up to 13 months)Extension intent-to-treat population: All participants who entered the extension treatment period and received any amount of study drug during the extension treatment period.Percentage of participantsNUMBER
SECONDARYPercentage of Participants With Improved or Maintained Acromegaly Symptoms at the End of the Extension Treatment PeriodBaseline and the end of the extension treatment period (up to 13 months)Extension intent-to-treat population: All participants who entered the extension treatment period and received any amount of study drug during the extension treatment period.Percentage of participantsNUMBER
SECONDARYPercentage of Participants With ≥ 1, 2, or 3 Acromegaly Symptoms at Baseline and at the End of the Extension Treatment PeriodBaseline and the end of the extension treatment period (up to 13 months)Extension intent-to-treat population: All participants who entered the extension treatment period and received any amount of study drug during the extension treatment period.Percentage of participantsNUMBER

Results by group68

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Percentage of Responders at the End of the Core Treatment PeriodOctreotide 40 mg86.995% Confidence Interval 83.0 to 98.1Percentage of responders
Percentage of Responders at the End of the Core Treatment PeriodOctreotide 60 mg66.795% Confidence Interval 48.2 to 82.0Percentage of responders
Percentage of Responders at the End of the Core Treatment PeriodOctreotide 80 mg40.495% Confidence Interval 27.6 to 54.2Percentage of responders
Percentage of Responders at the End of the Core Treatment PeriodOctreotide 40, 60, or 80 mg - All Participants64.995% Confidence Interval 58.4 to 74.2Percentage of responders
Percentage of Responders at the End of the Extension Treatment PeriodOctreotide Capsules78.495% Confidence Interval 68.4 to 86.5Percentage of responders
Percentage of Participants With Specified IGF-1 and GH Concentrations at Baseline and at the End of the Core Treatment PeriodOctreotide CapsulesIGF-1 < 1.3 & GH < 5.0: Baseline91.4Percentage of participants
Percentage of Participants With Specified IGF-1 and GH Concentrations at Baseline and at the End of the Core Treatment PeriodOctreotide CapsulesIGF-1 < 1.3 & GH < 5.0: ECTP65.6Percentage of participants
Percentage of Participants With Specified IGF-1 and GH Concentrations at Baseline and at the End of the Core Treatment PeriodOctreotide CapsulesIGF-1 < 1.3 & GH < 1.0: Baseline62.9Percentage of participants
Percentage of Participants With Specified IGF-1 and GH Concentrations at Baseline and at the End of the Core Treatment PeriodOctreotide CapsulesIGF-1 < 1.3 & GH < 1.0: ECTP53.0Percentage of participants
Percentage of Participants With Specified IGF-1 and GH Concentrations at Baseline and at the End of the Core Treatment PeriodOctreotide CapsulesIGF-1 ≤ 1.0 & GH < 5.0: Baseline63.6Percentage of participants

Participant flow6

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Core Treatment PeriodSTARTEDOctreotide Capsules155
Core Treatment PeriodCOMPLETEDOctreotide Capsules102
Core Treatment PeriodNOT COMPLETEDOctreotide Capsules53
Extension Treatment PeriodSTARTEDOctreotide Capsules88
Extension Treatment PeriodCOMPLETEDOctreotide Capsules82
Extension Treatment PeriodNOT COMPLETEDOctreotide Capsules6

Adverse events177

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherAbdominal distensionGastrointestinal disordersOctreotide 40 mg7155
otherAbdominal distensionGastrointestinal disordersOctreotide 60 mg491
otherAbdominal distensionGastrointestinal disordersOctreotide 80 mg158
otherAbdominal painGastrointestinal disordersOctreotide 40 mg5155
otherAbdominal painGastrointestinal disordersOctreotide 60 mg791
otherAbdominal painGastrointestinal disordersOctreotide 80 mg158
otherAbdominal pain upperGastrointestinal disordersOctreotide 40 mg10155
otherAbdominal pain upperGastrointestinal disordersOctreotide 60 mg291
otherAbdominal pain upperGastrointestinal disordersOctreotide 80 mg358
otherDiarrhoeaGastrointestinal disordersOctreotide 40 mg18155

Adverse event totals9

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityOctreotide 40 mg1155
Total, all-cause mortalityOctreotide 60 mg091
Total, all-cause mortalityOctreotide 80 mg158
Total, other adverse eventsOctreotide 40 mg103155
Total, other adverse eventsOctreotide 60 mg5191
Total, other adverse eventsOctreotide 80 mg3158
Total, serious adverse eventsOctreotide 40 mg9155
Total, serious adverse eventsOctreotide 60 mg791
Total, serious adverse eventsOctreotide 80 mg858

Papers2

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
25664604DERIVEDPubMed
34173129DERIVEDPubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT01412424

GET https://conductscience.org/api/trials/v1/NCT01412424/results?page=2