New obesity drug takes on semaglutide in major trial

NCT ID NCT07668414

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This Phase 3 trial will test whether a new drug called zenagamtide helps people with obesity lose more weight than the current treatment semaglutide. About 650 adults will receive weekly injections of either zenagamtide, semaglutide, or a placebo. The main goal is to see how much body weight changes over the study period.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

zenagamtide

What this could lead to

If it works, this could offer a new weekly injection for weight loss that may be more effective or have fewer side effects than current options.

What could go wrong

This is a Phase 3 trial, but results are not yet known. The drug may not prove better than semaglutide, and side effects like nausea or other issues could limit its use.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Amarillo Med Spec LLP

    Amarillo, Texas, 79124, United States

  • Amicis Centers of Clinical Research

    St Louis, Missouri, 63128, United States

  • Artemis Insitute for Clin Res

    San Diego, California, 92123, United States

  • Chicago Research Center, Inc

    Chicago, Illinois, 60634, United States

  • Conquest Research

    Atlanta, Georgia, 30328, United States

  • Desert Oasis Healthcare

    Palm Springs, California, 92262, United States

  • Eastside Bariatric and Gen Surg

    Snellville, Georgia, 30078, United States

  • Encore Medical Research LLC

    Hollywood, Florida, 33024, United States

  • Encore Medical Research of Weston

    Weston, Florida, 33331, United States

  • Endeavor Health

    Skokie, Illinois, 60077, United States

  • Epic Medical Research

    DeSoto, Texas, 75115, United States

  • Essence MD Research

    Naples, Florida, 34102, United States

  • First Valley Medical Group

    Lancaster, California, 93534, United States

  • Florida Inst For Clin Res LLC

    Orlando, Florida, 32825, United States

  • Gastroent Consult of SW VA

    Roanoke, Virginia, 24014, United States

  • Geisinger Clinic

    Danville, Pennsylvania, 17822, United States

  • Hillcrest Clinical Research

    Simpsonville, South Carolina, 29681-1538, United States

  • Houston Research Institute

    Houston, Texas, 77079, United States

  • Ichor Research

    Syracuse, New York, 13210, United States

  • Jacksonville Ctr Clin Res

    Jacksonville, Florida, 32216, United States

  • Lillestol Research LLC

    Fargo, North Dakota, 58104, United States

  • Med Home Development Grp

    Washington D.C., District of Columbia, 20037, United States

  • Medical University Of South Carolina

    Charleston, South Carolina, 29425, United States

  • Midwest Inst For Clin Res

    Indianapolis, Indiana, 46260, United States

  • National Clin Res Inc.

    Richmond, Virginia, 23294, United States

  • NextPhase Research

    Hollywood, Florida, 33024, United States

  • Olympus Clinical Research

    Sugar Land, Texas, 77478, United States

  • Osvaldo A. Brusco MD

    Corpus Christi, Texas, 78414, United States

  • Oviedo Medical Research, LLC

    Oviedo, Florida, 32765, United States

  • Palm Beach Research Center

    West Palm Beach, Florida, 33409, United States

  • PharmQuest Life Sciences LLC

    Greensboro, North Carolina, 27408, United States

  • PharmaDev Clinical Research Institute LLC

    Miami, Florida, 33176, United States

  • Piedmont Healthcare/Research

    Statesville, North Carolina, 28625, United States

  • Pinnacle Clinical Research

    Brownsville, Texas, 78520, United States

  • Rainier Clin Res Ctr Inc

    Renton, Washington, 98057, United States

  • Seattle Clinical Research Center

    Seattle, Washington, 98104, United States

  • Sleep Therapy Research Center

    San Antonio, Texas, 78229, United States

  • South Broward Research LLC

    Miramar, Florida, 33027, United States

  • Southern Clin Research

    Zachary, Louisiana, 70791, United States

  • Southgate Medical Group, LLP

    West Seneca, New York, 14224, United States

  • Spartanburg Medical Research

    Spartanburg, South Carolina, 29303, United States

  • Texas Diabetes & Endocrinology

    Austin, Texas, 78749, United States

  • The Endocrine Center

    Houston, Texas, 77079, United States

  • UT Southwestern Med Center

    Dallas, Texas, 75390, United States

  • University of North Carolina

    Chapel Hill, North Carolina, 27514, United States

  • Western University of Health Sciences

    Pomona, California, 91766, United States