A Phase 2b Study to Evaluate the Efficacy and Safety of CBL-514 Injection for Reducing Subcutaneous Fat.
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ClinicalTrials.gov Identifier: NCT06005441 |
Recruitment Status :
Recruiting
First Posted : August 22, 2023
Last Update Posted : February 6, 2024
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Condition or disease | Intervention/treatment | Phase |
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Subcutaneous Fat | Drug: CBL-514 injection Drug: CBL-A1 Injection Drug: CBL-A2 Injection Drug: 0.9% Sodium Chloride | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 160 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double (Participant, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Phase 2b, Randomized, Placebo-Controlled Factorial Study to Evaluate the Efficacy, Safety and Tolerability of CBL-514 Injection Compared With CBL-A1 and CBL-A2 for Reducing Abdominal Subcutaneous Fat |
Actual Study Start Date : | November 10, 2023 |
Estimated Primary Completion Date : | September 2024 |
Estimated Study Completion Date : | September 2024 |
Arm | Intervention/treatment |
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Experimental: CBL-514 Injection
Participant will receive CBL-514 administered in 2.4 mL injections, up to 120 mL per treatment session at intervals of approximately 3 weeks for up to 4 treatments.
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Drug: CBL-514 injection
Provided as a ready for use injectable CBL-514 solution |
Experimental: CBL-A1 Injection
Participant will receive CBL-A1 administered in 2.4 mL injections, up to 120 mL per treatment session at intervals of approximately 3 weeks for up to 4 treatments.
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Drug: CBL-A1 Injection
Provided as a ready for use injectable CBL-A1 solution |
Experimental: CBL-A2 Injection
Participant will receive CBL-A2 administered in 2.4 mL injections, up to 120 mL per treatment session at intervals of approximately 3 weeks for up to 4 treatments.
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Drug: CBL-A2 Injection
Provided as a ready for use injectable CBL-A2 solution |
Placebo Comparator: 0.9% Sodium Chloride
Participant will receive 0.9% Sodium Chloride administered in 2.4 mL injections, up to 120 mL per treatment session at intervals of approximately 3 weeks for up to 4 treatments.
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Drug: 0.9% Sodium Chloride
Sodium Chloride (0.9% NaCl) placebo for injection |
- Percentage of participants with at least 150 mL reduction in abdominal subcutaneous fat volume from Baseline to 8 weeks after the final treatment [ Time Frame: From Baseline to 8 weeks after the final treatment ]Percentage of participants with at least 150 mL reduction in abdominal subcutaneous fat volume from Baseline to 8 weeks after the final treatment, as measured by MRI, of CBL-514 compared with CBL-A1, CBL-A2, and placebo.
- Mean change in abdominal subcutaneous fat volume from Baseline to 4 weeks and 8 weeks after the final treatment [ Time Frame: From Baseline to 4 weeks and 8 weeks after the final treatment ]Mean change in abdominal subcutaneous fat volume from Baseline to 4 weeks and 8 weeks after the final treatment, as measured by MRI, of CBL-514 compared with CBL-A1, CBL-A2, and placebo.
- Percentage of participants with at least 150 mL reduction in abdominal subcutaneous fat volume from Baseline to 4 weeks after the final treatment [ Time Frame: From Baseline to 4 weeks after the final treatment ]Percentage of participants with at least 150 mL reduction in abdominal subcutaneous fat volume from Baseline to 4 weeks after the final treatment, as measured by MRI, of CBL-514 compared with CBL-A1, CBL-A2, and placebo.
- Percentage of participants with at least 200 mL reduction in abdominal subcutaneous fat volume from Baseline to 4 weeks and 8 weeks after the final treatment [ Time Frame: From Baseline to 4 weeks and 8 weeks after the final treatment ]Percentage of participants with at least 200 mL reduction in abdominal subcutaneous fat volume from Baseline to 4 weeks and 8 weeks after the final treatment, as measured by MRI, of CBL-514 compared with CBL-A1, CBL-A2, and placebo.
- Percentage of participants with at least 1-grade improvement reported by the Investigator using the Clinician-Reported Abdominal Fat Rating Scale (CR-AFRS) via examining the participants in-person at 4 weeks and 8 weeks after the final treatment [ Time Frame: From Baseline to 4 weeks and 8 weeks after the final treatment ]
Percentage of participants with at least 1-grade improvement reported by the Investigator using the Clinician-Reported Abdominal Fat Rating Scale (CR-AFRS) via examining the participants in-person at 4 weeks and 8 weeks after the final treatment, for CBL-514 compared with CBL-A1, CBL-A2, and placebo.
Note: The AFRS is a 5-point ordinal scale (0-5) to assess the abdominal fat level based on the presence of fat on abdomen with 1=None/Minimal, 2=Mild, 3=Moderate, 4=Severe and 5=Very Severe.
- Percentage of participants with at least 1-grade improvement reported by the Investigator using the Clinician-Reported Abdominal Fat Rating Scale (CR-AFRS) via photo-based system at 4 weeks and 8 weeks after the final treatment [ Time Frame: From Baseline to 4 weeks and 8 weeks after the final treatment ]
Percentage of participants with at least 1-grade improvement reported by the Investigator using the Clinician-Reported Abdominal Fat Rating Scale (CR-AFRS) via photo-based system at 4 weeks and 8 weeks after the final treatment, for CBL-514 compared with CBL-A1, CBL-A2, and placebo.
Note: The AFRS is a 5-point ordinal scale (0-5) to assess the abdominal fat level based on the presence of fat on abdomen with 1=None/Minimal, 2=Mild, 3=Moderate, 4=Severe and 5=Very Severe.
- Percentage of participants with at least 1-grade improvement reported by the participant using the Patient-Reported Abdominal Fat Rating Scale (PR-AFRS) via examining self-abdomen in the mirror at 4 weeks and 8 weeks after the final treatment. [ Time Frame: From Baseline to 4 weeks and 8 weeks after the final treatment ]
Percentage of participants with at least 1-grade improvement reported by the participant using the Patient-Reported Abdominal Fat Rating Scale (PR-AFRS) via examining self-abdomen in the mirror at 4 weeks and 8 weeks after the final treatment, for CBL-514 compared with CBL-A1, CBL-A2, and placebo.
Note: The AFRS is a 5-point ordinal scale (0-5) to assess the abdominal fat level based on the presence of fat on abdomen with 1=None/Minimal, 2=Mild, 3=Moderate, 4=Severe and 5=Very Severe.
- Percentage of participants with at least 1-grade improvement reported by the participant using the Patient-Reported Abdominal Fat Rating Scale (PR-AFRS) via photo-based system at 4 weeks and 8 weeks after the final treatment. [ Time Frame: From Baseline to 4 weeks and 8 weeks after the final treatment ]
Percentage of participants with at least 1-grade improvement reported by the participant using the Patient-Reported Abdominal Fat Rating Scale (PR-AFRS) via photo-based system at 4 weeks and 8 weeks after the final treatment, for CBL-514 compared with CBL-A1, CBL-A2, and placebo.
Note: The AFRS is a 5-point ordinal scale (0-5) to assess the abdominal fat level based on the presence of fat on abdomen with 1=None/Minimal, 2=Mild, 3=Moderate, 4=Severe and 5=Very Severe.
- The incidence of treatment-emergent adverse events (TEAEs) as defined in the protocol [ Time Frame: From Baseline to 8 weeks after the final treatment ]Number of participants experiencing TEAEs and number of individual TEAEs
- The incidence of clinically significant abnormal findings as defined in the protocol [ Time Frame: From Baseline to 8 weeks after the final treatment ]Number of participants with clinically significant abnormalities in laboratory tests, vital signs and physical examinations
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Ages Eligible for Study: | 18 Years to 64 Years (Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Male or female, aged 18 years to 64 years old (at Screening), inclusive.
- Body mass index (BMI) >18.5 and < 27 kg/m2 and body weight ≥ 50 kg at Screening and Day 1.
- Participant has abdominal fat graded by the Investigator as Grade 3(moderate) or Grade 4(severe) using the Clinician-Reported Abdominal Fat Rating Scale via in-person examination at Screening.
- Participant has stable body weight (identified as ≤ 3 kg weight change per participant report) for at least 3 months before Screening and during the study.
- Participant who has maintained a stable lifestyle (e.g., exercise, eating patterns, and smoking habit) per participant report for at least 3 months before Screening and during the study.
- Voluntarily signs the Informed Consent Form and, in the opinion of the Investigator or delegate, is physically and mentally capable of participating in the study and willing to adhere to study procedures.
Exclusion Criteria:
- Female participant of childbearing potential who is not willing to commit to an acceptable contraceptive regimen from the time of Screening and throughout study participation until 90 days after the last IP dose, or who is currently pregnant or lactating. Male participant who is not willing to commit to using a condom and refraining from sperm donation from the time of the first dose of IP, throughout study participation until 90 days after the last IP dose.
- Participant diagnosed with coagulation disorders or who is receiving anticoagulant/antiplatelet therapy or medications or dietary supplements that impede coagulation or platelet aggregation.
- Participant has hemoglobin A1c (HbA1c) ≥9%, delayed wound healing, or poorly controlled diabetes defined as requiring a change in glucose control medications (other than day to day variations in insulin requirements) within the 6 months prior to Screening or for whom a change in glucose control medications is anticipated during the study, or any diabetic risks that, in the opinion of Investigator, make the individual an inappropriate candidate for the study.
- Participant with active or prior history of malignancies within 5 years before Screening or currently being evaluated for a possible malignancy, with the exception of adequately treated basal cell carcinoma of skin and in situ squamous cell carcinoma of skin at Investigator's discretion.
- Participant with a history of human immunodeficiency virus (HIV)-1 infection or active HIV infection at Screening with positive HIV antigen/antibody combo test.
- Participant with a history of trypanophobia, the extreme fear of medical procedures involving injections or needles, or who experiences vasovagal syncope or faints at the sight of blood or a needle.
- Participant with folding fat or skin on abdomen in standing position.
- Participant with severe or very severe abdominal visceral fat using the visceral fat scale.
- Participant with ventral abdominal or umbilical hernia or previous repair of same.
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Participant has abnormal skin or local skin conditions at the treatment area, which, in the opinion of Investigator, would increase risk to the participant or inhibit safety and efficacy evaluation, including but not limited to any of the following:
- Skin manifestations of a systemic disease.
- Any abnormality of the skin or soft tissues of the area to be treated, such as scars, striae, dyspigmentation, etc.
- Asymmetrical fat on abdomen.
- Lipomatosis syndromes (familial lipomatosis, nevus lipomatosis, Dercum's disease, etc).
- Skin laxity on abdomen.
- Sensory loss or dysesthesia in the area to be treated.
- Tattoo(s) on the front and/or lateral side of abdomen.
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Participant who has undergone the following procedures:
- Previous surgery that caused scar tissues on the anticipated treatment area before Screening or during the study, with the exception of laparoscopic surgery and surgery that resulted in minimal scar tissues determined at Investigator's discretion.
- Liposuction or abdominoplasty to the region to be treated before Screening or during the study.
- Aesthetic procedure for body contouring or fat reduction, e.g., cryolipolysis, ultrasonic lipolysis, low level laser therapy, EMSculpt, lipolysis injection to the region to be treated within 12 months before Screening or during the study.
- Using medication that is delivered via subcutaneous injection at the treatment area within 4 weeks before Screening or during the study.
- Participant with contraindications to MRI imaging
- Participant is on prescription or OTC weight reduction medication, weight reduction program, or any GLP-1 agonist (e.g., semaglutide, terzepatide, liraglutide, etc.) (oral or injectable) within 6 months before Screening or during the study.
- Participant is undergoing chronic steroid or immunosuppressive therapy, with the exception of oral steroid inhalation indicated for asthma management or topical steroid application for skin conditions that are not directly applied or indirectly affect the treatment area.
- Requiring continual use of any medication that is known to strongly inhibit or induce CYP1A2 enzymes, sensitive CYP1A2 substrates or drugs with narrow therapeutic index during the study that, in the opinion of the Investigator, may affect the evaluation of the study product or place the participant at undue risk.
- Unable to receive local anesthesia.
- Participant with known allergies or sensitivities to the IP or its components.
- Participant with liver cirrhosis, with inadequate liver function at Screening defined as aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase(ALP), total bilirubin (TBIL), or gamma-glutamyl transferase (GGT) >3.0× upper limit of normal (ULN), or with any hepatic medical condition that would interfere with assessment of safety or efficacy.
- Participant with any renal impairment, defined as abnormal serum creatinine and blood urea nitrogen (BUN) >1.5× ULN or estimated glomerular filtration rate (eGFR) <90mL/min/1.73 m2, or who is currently on dialysis.
- Use of any investigational drug or device within 3 months prior to Screening.
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 ClinicalTrials.gov identifier (NCT number): NCT06005441
Contact: Shannon Wu | +886-2-26971355 ext 1316 | CR@caliway.com.tw |
United States, Nebraska | |
Investigational Site 1 | Recruiting |
Omaha, Nebraska, United States, 68144 |
Study Director: | Anne Sheu | Caliway Biopharmaceuticals Co., Ltd. |
Responsible Party: | Caliway Biopharmaceuticals Co., Ltd. |
ClinicalTrials.gov Identifier: | NCT06005441 |
Other Study ID Numbers: |
CBL-0205 |
First Posted: | August 22, 2023 Key Record Dates |
Last Update Posted: | February 6, 2024 |
Last Verified: | February 2024 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |