A Study to Evaluate the Safety, Tolerability, and Weight Loss Efficacy of K-757 Alone and in Combination With K-833
A Randomized, Placebo-Controlled, Double-Blind 13-Week Study to Evaluate the Safety, Tolerability, and Weight Loss Efficacy of K-757 Alone and in Combination With K-833 in Participants Who Are Obese
1 other identifier
interventional
155
1 country
22
Brief Summary
This is a study to evaluate the safety and efficacy of K-757 alone and in combination with K-833 versus placebo in participants who are obese.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2 obesity
Started Sep 2023
Shorter than P25 for phase_2 obesity
22 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 25, 2023
CompletedFirst Posted
Study publicly available on registry
August 31, 2023
CompletedStudy Start
First participant enrolled
September 15, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 7, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
February 19, 2024
CompletedResults Posted
Study results publicly available
February 26, 2025
CompletedFebruary 26, 2025
February 1, 2025
5 months
August 25, 2023
February 5, 2025
February 5, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Percentage Change From Baseline in Body Weight (%) After 13 Weeks of Treatment
13 weeks
Secondary Outcomes (4)
The Proportion of Participants Achieving ≥5% Weight Loss After 13 Weeks of Treatment
13 weeks
Absolute Change From Baseline in Body Weight (kg) After 13 Weeks of Treatment
13 weeks
Proportion of Participants Who Experienced 1 or More Treatment-emergent AEs
15 weeks
Proportion of Participants Who Discontinued Study Medication Due to an AE
13 weeks
Study Arms (3)
K-757+K-833
EXPERIMENTALK-757 alone
EXPERIMENTALPlacebo to K-757 and K-833
EXPERIMENTALInterventions
K-757 was titrated to the maintenance dose of 120 mg twice daily (BID) by Day 22. K-833 was initiated at 100 mg once daily in the morning (QAM) and was titrated to the maintenance dose of 100 mg BID on Day 8. Both administered orally.
K-757 was titrated to the maintenance dose of 120 mg twice daily (BID) by Day 22. Both administered orally.
Both administered orally.
Eligibility Criteria
You may qualify if:
- Understand the trial procedures and agree to participate by providing written informed consent prior to trial related activities. Trial-related activities are any procedures that are carried out as part of the trial, including activities to determine suitability for the trial.
- Be willing and able to comply with the study schedule of visits, all trial procedures and restrictions, including following study diet requirements.
- Be a male or female, age 18 to 70 years, inclusive, at the time of signing informed consent.
- Have a body mass index (BMI) of 30.0 to \<40.0. kg/m2, inclusive.
- History of at least one self-reported unsuccessful dietary effort to lose body weight.
- Be weight stable (\<5% variation) over the last 3 months (by subject report).
- Be a nonsmoker or has smoked ≤10 cigarettes per week for at least 3 months and agrees not to exceed this for the duration of study participation; has not used other nicotine containing products (e.g. other forms of tobacco, nicotine patch, e cigarettes, vapes) for at least 3 months and agrees to abstain from such products throughout study participation.
- Meet the following requirements:
- Is a male who agrees to all of the following:
- To use an appropriate method of contraception, including a condom which must include spermicidal cream or jelly, from the first dose of study drug until 14 days after the last dose of study drug. A male subject who had a vasectomy procedure must follow the same restrictions as a non vasectomized man.
- If partner is pregnant, to use a condom
- To not donate sperm from the first dose of study drug until 14 days after the last dose of study drug.
- Is a female who is of non-childbearing potential defined by at least 1 of the following criteria:
- Postmenopausal (aged \>45 years and with a minimum of 12 months of spontaneous amenorrhea with a Screening serum follicle-stimulating hormone (FSH) level in the menopausal range established for the central laboratory.
- Post hysterectomy, bilateral oophorectomy or bilateral salpingectomy, based on the subject's recall of their medical history.
- +9 more criteria
You may not qualify if:
- Glycemia related:
- Has a hemoglobin A1c (HbA1c) ≥6.5% (48 mmol/mol) as measured by the central laboratory at screening.
- Has a history of type 1 or type 2 diabetes mellitus.
- Had treatment with any glucose-lowering agent(s) within 90 days before screening.
- Obesity related:
- Had treatment with any medication approved for the treatment of obesity or any investigational agent being tested for obesity treatment within the past 6 months before screening.
- Has been treated with/used any other medication, supplement, or device for the purpose of promoting weight loss (regardless of whether they are approved or promoted for the purpose of weight loss) in the 90 days prior to screening.
- Treatment with any glucagon-like peptide-1 (GLP-1) receptor agonist in the prior 6 months.
- Participation in an organized weight reduction program (e.g. Weight Watchers) within 90 days of screening.
- Has uncontrolled thyroid disease, defined as thyroid stimulating hormone (TSH) outside (above or below) the reference range of the central laboratory at screening or has any history of Grave's disease.
- Obesity is induced by an endocrine disorder (e.g. Cushing's disease).
- Mental health:
- Has a history of major depressive disorder within 2 years before screening unless all of the following criteria are met:
- the depressive disorder has always been unipolar (no history of mania or hypomania)
- in the opinion of the investigator, depressive symptoms have been stable and well controlled for ≥ 2 years prior to screening.
- +36 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Kallyope Inc.lead
Study Sites (22)
Artemis Institute for Clinical Research, LLC
San Diego, California, 92103, United States
Clinical Research Atlanta
Stockbridge, Georgia, 30281, United States
Cotton O'Neil Clinical Research Center
Topeka, Kansas, 66606, United States
L-MARC Research Center
Louisville, Kentucky, 40213, United States
MedStar Health Research Institute
Hyattsville, Maryland, 20782, United States
Quest Research Institute
Farmington Hills, Michigan, 48334, United States
ActivMed Practices and Research, LLC
Portsmouth, New Hampshire, 01844, United States
Rochester Clinical Research
Rochester, New York, 14609, United States
Medication Management, LLC (PharmQuest)
Greensboro, North Carolina, 27408, United States
Wilmington Health (Accellacare of Wilmington)
Wilmington, North Carolina, 28401, United States
Family Practice Center of Wadsworth, Inc dba New Venture Medical Research
Wadsworth, Ohio, 44281, United States
AMR Norman
Norman, Oklahoma, 73069, United States
Summit Headlands LLC
Portland, Oregon, 97210, United States
Capital Area Research, LLC
Camp Hill, Pennsylvania, 17011, United States
Reading Hospital Clinical Trials Office
West Reading, Pennsylvania, 19611, United States
Spartanburg Medical Research
Spartanburg, South Carolina, 29303, United States
Headlands Research - Brownsville
Brownsville, Texas, 78526, United States
North Hills Family Medicine/North Hills Medical Research
North Richland Hills, Texas, 76180, United States
Clinical Trials of Texas, LLC
San Antonio, Texas, 78229, United States
Washington Center for Weight Management and Research, Inc.
Arlington, Virginia, 22206, United States
Charlottesville Medical Research
Charlottesville, Virginia, 22911, United States
Health Research of Hampton Roads, Inc
Newport News, Virginia, 23606, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Clinical Director
- Organization
- Kallyope Inc
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- LTE60
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 25, 2023
First Posted
August 31, 2023
Study Start
September 15, 2023
Primary Completion
February 7, 2024
Study Completion
February 19, 2024
Last Updated
February 26, 2025
Results First Posted
February 26, 2025
Record last verified: 2025-02