~147 spots leftby Dec 2025

PF-07976016 for Obesity

Recruiting at 19 trial locations
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 2
Recruiting
Sponsor: Pfizer
Disqualifiers: Diabetes, Recent serious illness, others
Prior Safety Data

Trial Summary

What is the purpose of this trial?

The purpose of this clinical trial is to learn about the safety and effects of the study medicine (called PF-07976016) for the potential treatment of obesity. The study will compare the experiences of participants taking the study medicine (PF-07976016) to those of participants who take placebo (a lookalike substance that contains no active study medicine). The aim is to measure the body's response to the study medicine, including any changes in participants' body weight and how well they tolerate the study medicine.

Do I have to stop taking my current medications for the trial?

The trial information suggests that some medications may be prohibited, but it doesn't specify which ones. It's best to discuss your current medications with the trial team to see if any need to be stopped.

What safety information is available for PF-07976016 or similar anti-obesity medications?

Many anti-obesity medications have been linked to serious side effects, including heart and kidney problems, and some have been removed from the market due to safety concerns. It's important to monitor these medications closely to ensure they are safe for patients.12345

Research Team

PC

Pfizer CT.gov Call Center

Principal Investigator

Pfizer

Eligibility Criteria

This trial is for adults aged 18 to 74 with obesity, defined as having a Body Mass Index (BMI) of at least 30.0 kg/m2. Participants should have had stable body weight in the past three months and be willing to follow all study procedures. Pregnant or breastfeeding individuals cannot join.

Inclusion Criteria

Willing and able to comply with all study procedures
Body Mass Index ≥30.0 kg/m2 at Visit 1, with stable body weight, defined as <5 kg change in the 12 weeks before Visit 1
I am willing to take the necessary medication for the trial.
See 1 more

Exclusion Criteria

Presence of specified abnormalities on diagnostic assessments including clinical laboratory tests at Visit 1
I am not taking any medications that are not allowed in the study.
Any medical or psychiatric condition or laboratory abnormality, or recent serious illness or hospitalization, that may increase the risk of study participation or, in the investigator's judgment, make the participant inappropriate for the study including diagnosis of type 2 diabetes mellitus, type 1 or secondary forms of diabetes

Trial Timeline

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Treatment

Participants receive the study medication (PF-07976016) or placebo to assess safety and efficacy in treating obesity

12 weeks

Follow-up

Participants are monitored for safety and effectiveness after treatment

4 weeks

Treatment Details

Interventions

  • PF-07976016 (Other)
Trial OverviewThe trial is testing PF-07976016, a potential new treatment for obesity, against a placebo (a substance with no active medicine). It aims to see if there are any changes in body weight and how well participants can tolerate the medication.
Participant Groups
4Treatment groups
Experimental Treatment
Placebo Group
Group I: PF-07976016 Dose 3Experimental Treatment1 Intervention
Group II: PF-07976016 Dose 2Experimental Treatment1 Intervention
Group III: PF-07976016 Dose 1Experimental Treatment1 Intervention
Group IV: PlaceboPlacebo Group1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

Pfizer

Lead Sponsor

Trials
4,712
Recruited
50,980,000+
Known For
Vaccine Innovations
Top Products
Viagra, Zoloft, Lipitor, Prevnar 13

Albert Bourla

Pfizer

Chief Executive Officer since 2019

PhD in Biotechnology of Reproduction, Aristotle University of Thessaloniki

Patrizia Cavazzoni profile image

Patrizia Cavazzoni

Pfizer

Chief Medical Officer

MD from McGill University

Findings from Research

A comprehensive analysis of the FDA Adverse Event Reporting System revealed 18,675 unique adverse event reports linked to anti-obesity medications (AOMs) among 15,143 patients, highlighting significant safety concerns.
Serious adverse events included a fatality ratio of 4.9%, with cardiovascular complications being particularly prevalent, accounting for 31% of AEs related to phentermine, and indicating a need for ongoing safety monitoring of AOMs.
Descriptive analysis of reported adverse events associated with anti-obesity medications using FDA Adverse Event Reporting System (FAERS) databases 2013-2020.Alsuhibani, A., Alrasheed, M., Gari, M., et al.[2022]
Many weight loss medications have been withdrawn due to serious adverse effects, such as cardiovascular toxicity and neuro-psychiatric issues, which has influenced the current drug development and approval process for anti-obesity drugs.
Regulatory strategies by the FDA, including risk evaluation programs and post-marketing safety trials, aim to manage potential serious side effects of new weight-reducing medications, leading to discrepancies in drug availability between the USA and Europe.
Evolution of pharmacological obesity treatments: focus on adverse side-effect profiles.Krentz, AJ., Fujioka, K., Hompesch, M.[2017]
Several weight loss medications, such as aminorex and fenfluramines, have been withdrawn due to serious safety concerns, including increased risks of primary pulmonary hypertension and valvulopathy.
Currently, orlistat and sibutramine are the only approved medications for long-term obesity management, but ongoing monitoring is necessary due to potential long-term safety issues, especially since efficacy and safety data in children and elderly populations are limited.
Safety of drug therapies used for weight loss and treatment of obesity.Ioannides-Demos, LL., Proietto, J., Tonkin, AM., et al.[2018]

References

Descriptive analysis of reported adverse events associated with anti-obesity medications using FDA Adverse Event Reporting System (FAERS) databases 2013-2020. [2022]
Evolution of pharmacological obesity treatments: focus on adverse side-effect profiles. [2017]
Safety of drug therapies used for weight loss and treatment of obesity. [2018]
4.United Arab Emiratespubmed.ncbi.nlm.nih.gov
Current updates in the medical management of obesity. [2019]
Potential risks associated with the use of herbal anti-obesity products. [2021]