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A Study of PF-08653945 and PF-08653944 in Adults With Overweight or Obesity (SOLIS-1)
Sponsor: Pfizer
Summary
This study is being done to learn about the safety and effects of the study drugs, PF-08653945 and PF-08653944, when given alone or together for weight loss, compared to a placebo (a dummy drug that has no active ingredient in it).
Official title: A PHASE 2B, RANDOMIZED, PLACEBO-CONTROLLED, DOUBLE-BLIND, DOSE RANGING, DOSE-FINDING, UMBRELLA STUDY TO EVALUATE EFFICACY AND SAFETY OF PF-08653945 AND PF-08653944, ALONE OR IN COMBINATION, IN ADULTS WITH OVERWEIGHT OR OBESITY (SOLIS-1)
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
872
Start Date
2026-05-11
Completion Date
2028-01-05
Last Updated
2026-05-08
Healthy Volunteers
No
Conditions
Interventions
PF-08653945
Subcutaneous Injection
PF-08653944
Subcutaneous Injection
Placebo
Subcutaneous Injection
Locations (3)
Ark Clinical Research
Fountain Valley, California, United States
Paragon Rx Clinical
Garden Grove, California, United States
Koch Family Medicine Clinical Research/Elite Research Network
Morton, Illinois, United States