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An Study to Evaluate the Safety and Efficacy of Paltusotine for the Treatment of Acromegaly (ACROBAT Edge)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT03789656
Recruitment Status : Completed
First Posted : December 28, 2018
Last Update Posted : July 29, 2021
Information provided by (Responsible Party):
Crinetics Pharmaceuticals Inc.

Brief Summary:
An open label exploratory study designed to evaluate the safety, efficacy, and pharmacokinetics of paltusotine (formerly CRN00808; an oral selective nonpeptide somatostatin receptor type 2 biased agonist) in subjects with acromegaly that are treated with somatostatin analogue (SSA) based treatment regimens.

Condition or disease Intervention/treatment Phase
Acromegaly Drug: Paltusotine Phase 2

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 47 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: An Open Label Exploratory Study to Evaluate the Safety, Pharmacokinetics and Efficacy of CRN00808 in Patients With Acromegaly Treated With Somatostatin Analogue Based Treatment Regimens (ACROBAT Edge)
Actual Study Start Date : January 15, 2019
Actual Primary Completion Date : August 3, 2020
Actual Study Completion Date : August 31, 2020

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Experimental: Paltusotine Drug: Paltusotine
Paltusotine, capsules, once daily by mouth
Other Name: CRN00808

Primary Outcome Measures :
  1. Change from baseline (mean of Screening values) in insulin-like growth factor-1 (IGF-1) level [ Time Frame: 13 Weeks ]

Secondary Outcome Measures :
  1. Proportion of subjects with their last IGF-1 measurement ≤ upper limit of normal (ULN) [ Time Frame: 13 Weeks ]
  2. Proportion of subjects with their last IGF-1 measurements ≤1.5×ULN [ Time Frame: 13 Weeks ]

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years to 70 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  1. Male and female subjects 18 to 70 years of age
  2. Confirmed diagnosis of acromegaly with either a partial or complete response to protocol defined somatostatin analogue therapy regimens
  3. Females must be non-pregnant and non-lactating, and either surgically sterile, post-menopausal, or using effective method(s) of birth control
  4. Willing to provide signed informed consent

Exclusion Criteria:

  1. Treatment naïve acromegaly subjects
  2. Prior treatment with paltusotine
  3. Pituitary surgery within 6 months prior to Screening. Subjects receiving radiation therapy may be eligible with some restrictions.
  4. History or presence of malignancy except adequately treated basal cell and squamous cell carcinomas of the skin within the past 5 years
  5. Use of any investigational drug within the past 30 days or 5 half-lives, whichever is longer
  6. Positive test at Screening for HIV, hepatitis B surface antigen (HBsAg) or hepatitis C antibody (HCV-Ab) or has a history of a positive result
  7. History of alcohol or substance abuse in the past 12 months
  8. Any condition that in the opinion of the investigator would jeopardize the subject's appropriate participation in this study
  9. Cardiovascular conditions or medications associated with prolonged QT or those which predispose subjects to heart rhythm abnormalities
  10. Subjects with symptomatic cholelithiasis
  11. Subjects with clinically significant abnormal findings during the Screening Period, and any other medical condition(s) or laboratory findings that, in the opinion of the Investigator, might jeopardize the subject's safety or ability to complete the study
  12. Subjects taking octreotide LAR at a dose higher than 40 mg, or lanreotide depot at a dose higher than 120 mg, or pasireotide LAR at a dose higher than 60 mg
  13. Subjects who usually take octreotide LAR or lanreotide depot less frequently than every 4 weeks (e.g. every 6 weeks or 8 weeks)

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT03789656

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Sponsors and Collaborators
Crinetics Pharmaceuticals Inc.
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Responsible Party: Crinetics Pharmaceuticals Inc. Identifier: NCT03789656    
Other Study ID Numbers: CRN00808-03
2018-002230-20 ( EudraCT Number )
First Posted: December 28, 2018    Key Record Dates
Last Update Posted: July 29, 2021
Last Verified: July 2021
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Crinetics Pharmaceuticals Inc.:
Additional relevant MeSH terms:
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Bone Diseases, Endocrine
Bone Diseases
Musculoskeletal Diseases
Pituitary Diseases
Hypothalamic Diseases
Brain Diseases
Central Nervous System Diseases
Nervous System Diseases
Endocrine System Diseases