A multicenter, randomized, Active-Controlled, Open-Label phase IIb study evaluating safety and tolerability of switching to zovaglutide injection after titration to 2.4 mg semaglutide injection (Wegovy®) in adults with obesity (HORIZON-SWITCH-SZ)
NCT ID NCT07812597
First seen Sep 10, 2026 · Last updated Sep 10, 2026
Summary
The main purpose of this study is to evaluate the safety and tolerability of continuing treatment with zovaglutide injection following titration to 2.4 mg semaglutide injection in adult participants with obesity.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 210 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Mar 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 75 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Male or female subjects aged≥18years and≤75 years at the time of signing the Informed Consent Form (ICF). * At screening, Body Mass Index (BMI)≥28kg/m² * Weight change due to diet and exercise alone within 3 months prior to screening did not exceed 5%. Exclusion Criteria: * Previously diagnosed obesity caused by monogenic mutations, other diseases, or medications. * Previous diagnosis of diabetes; or HbA1c ≥ 6.5% or fasting blood glucose ≥ 7.0 mmol/L at screening. * Used of medicines or treatments that affect weight within 3 months prior to screening. * History of acute or chronic pancreatitis, or pancreatic injury. * History of medullary thyroid carcinoma (MTC) or type 2 multiple endocrine neoplasia (MEN2) in personal or family history. * History of medullary thyroid carcinoma (MTC) or type 2 multiple endocrine neoplasia (MEN2) in personal or family history. * Patient Health Questionnaire-9 (PHQ-9) scale score is ≥ 15 at screening * Screening Columbia-Suicide Severity Rating Scale(C-SSRS) questionnaire suicide ideation response of "Category 4 or 5," or any "yes" response to suicidal behavior questions
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
16 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Beijing Friendship Hospital, Capital Medical University
Beijing, Beijing Municipality, 100050, China
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Central Hospital Affiliated to Shandong First Medical University
Jinan, Shandong, 250000, China
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Handan First Hospital
Handan, Hebei, 056002, China
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Harbin Medical University Affiliated Fourth Hospital
Harbin, Heilongjiang, 150001, China
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Hebei Petro China Cental Hospital
Langfang, Hebei, 065000, China
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Huizhou Central People's Hospital
Huizhou, Guangdong, 516008, China
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Jilin Province FAW General Hospital
Changchun, Jilin, 130011, China
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Jincheng General Hospital
Jincheng, Shanxi, 48006, China
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Peking University People's Hospital
Beijing, Beijing Municipality, 100044, China
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The 2nd People's Hospital of Chengdu
Chengdu, Sichuan, 610021, China
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The Fifth People's Hospital of Shenyang
Shenyang, Liaoning, 110023, China
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The First Affiliated of Nanyang Medical College
Nanyang, Henan, 473000, China
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The First People's Hospital of Changde
Changde, Hunan, 415003, China
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Yichang Central People's Hospital (Xiling Campus)
Yichang, Hubei, 443000, China
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Zibo Central Hospital
Zibo, Shandong, 255036, China
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Zibo Municipal Hospital
Zibo, Shandong, 255400, China
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