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NCT Number: NCT07285902

A Study Comparing the Efficacy and Safety of HRS9531 Injection With Semaglutide Injection in Subjects With Obesity

This study is a multicenter, randomized, open-label, parallel-controlled, phase III study to compare the efficacy, safety, and tolerability of HRS9531 versus semaglutide once weekly (QW) in adult subjects with obesity

Active, Not Recruiting

This study is active but is not currently recruiting participants.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

Chiness PLA General Hospital, Beijing, Beijing Municipality, China

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • With my consent and has signed the informed consent form, I am willing and able to follow the requirements of the trial protocol to complete this study;
  • Age ≥ 18 years old on the day of signing the informed consent, regardless of gender;
  • obesity
  • Self-reported diet and exercise control for 3 months or more before screening, and weight change of ≤ 5 kg in the past 3 months.
  • Male and female subjects of childbearing potential (including partners) who have no fertility plan and agree to take highly effective contraceptive measures within 2 months after signing the informed consent form to the last dose, and female or male subjects of childbearing potential have no plans to donate eggs/sperm; Female subjects of childbearing potential have a negative pregnancy test within 3 days prior to randomization and are not lactating.

Exclusion criteria

  • Those with abnormal relevant examinations at screening;
  • ECG results are abnormal and may affect the safety of the subject
  • Poor blood pressure control
  • The PHQ-9 score ≥ 15 points
  • Presence or history of endocrine disorders that may significantly affect body weight
  • History of diabetes mellitus
  • Those who have had any previous disease or history that affects gastric emptying, or who have undergone gastrointestinal surgery
  • Previous or known history of acute or chronic pancreatitis, pancreatic injury; Patients with a history of acute cholecystitis or symptomatic/treatment-inducing gallbladder disease
  • Previous or known history or family history of medullary thyroid cancer (MTC) or multiple endocrine neoplasia type 2 (MEN2).
  • Severe infection, severe trauma, or large and medium-sized surgery within 1 month prior to screening
  • History of severe cardiovascular and cerebrovascular diseases within the previous 6 months
  • Malignancy of any organ system within 5 years
  • Presence or suspicion of depression, bipolar disorder, suicidal tendencies, People with schizophrenia or other more serious mental illness
  • Known or suspected history of alcohol and/or drug abuse or drug abuse
  • Presence of a history of acute or chronic hepatitis or other serious liver disease other than non-alcoholic fatty liver disease
  • Presence of any hematologic disorder that may interfere with HbA1c detection
  • Presence of autoimmune disease with planned use of systemic glucocorticoids or immunosuppressive therapy during the study
  • Use of medications or treatments that may result in significant weight gain or loss within the previous 3 months
  • Received, or planned to undergo bariatric surgery or endoscopic and/or medical device-based bariatric therapy during the study, etc
  • Those who have a known or suspected allergy to the same or related products of the investigational drug and their excipients
  • Previous discontinuation of this class for safety/tolerability reasons
  • Participation in a clinical trial of any drug or medical device within 3 months prior to screening
  • Those who have donated or lost ≥ 400 mL of blood within the previous 3 months, or have received blood transfusions
  • Surgery is planned for the duration of the trial
  • Subjects who are mentally incapacitated or have language impairment who are unable to fully understand or participate in the trial process
  • Investigators and relevant staff of the research center or other persons directly involved in the implementation of the program, and their immediate family members; Employees of Hengrui Company; In the judgment of the investigator, there is any condition that affects the safety of the subject or any other interference with the evaluation of the test results

Treatment and study plan

HRS9531 injection

Drug

HRS9531 injection

Semaglutide Injection

Drug

Semaglutide Injection

Primary outcomes

  1. Percentage change from baseline in body weight after 52 weeks of treatment

    Time frame: 52 weeks

Secondary outcomes

  1. Proportion of subjects with target reduction from baseline in body weight after 52 weeks of treatment

    Time frame: 52 weeks

  2. Change from baseline in waist circumference,after 52 weeks of treatment

    Time frame: 52 weeks

  3. Change from baseline in body weight after 52 weeks of treatment

    Time frame: 52 weeks

  4. Change from baseline in body mass index (BMI) after 52 weeks of treatmentChange from baseline in blood pressure,after 52 weeks of treatment

    Time frame: 52 weeks

  5. Change from baseline in fasting plasma glucose (FPG)after 52 weeks of treatment

    Time frame: 52 weeks

  6. Change from baseline in glycosylated haemoglobin (HbA1c) after 52 weeks of treatment

    Time frame: 52 weeks

  7. Change from baseline in liver enzymes after 52 weeks of treatment

    Time frame: 52 weeks

  8. Change from baseline in fasting serum insulin after 52 weeks of treatment

    Time frame: 52 weeks

  9. Change from baseline in lipid parameters after 52 weeks of treatment

    Time frame: 52 weeks

  10. Number of AEs during the trial.

    Time frame: 52 weeks

Sponsors and collaborators

Lead sponsor

Fujian Shengdi Pharmaceutical Co., Ltd.

Industry

Registry information

Official study title

A Multicenter, Randomized, Open-label, Parallel-controlled Phase III Study Comparing the Efficacy and Safety of HRS9531 Injection Versus Semaglutide Injection in Subjects With Obesity

Important dates

Study start
2025
Primary completion
2027
Study completion
2027
First posted
Dec 16, 2025
Registry last updated
Feb 27, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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