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Phase 2 Study of MWN109 Tablet for Weight-Loss Maintenance in Participants With Overweight or Obesity

A Multicenter, Randomized, Open-label, Phase 2 Extension Clinical Study Evaluating the Efficacy and Safety of MWN109 Tablets in Weight Loss Maintenance in Non-Diabetic Participants With Overweight or Obesity

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07804797
Enrollment
71
Registered
2026-09-04
Start date
2026-03-02
Completion date
2026-09-01
Last updated
2026-09-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Overweight , Obesity

Brief summary

This study adopted a randomized, open-label design, aiming to preliminarily explore the weight-loss maintenance effect of MWN109 tablets when administered continuously for 24 weeks in non-diabetic overweight or obese participants. Participants who met the inclusion criteria were randomly assigned (1:1) to either the QD or QW administration group of MWN109 tablets, with the dose grouping in the MWN109-II-WL study serving as a random stratification factor. This study included a maximum screening period of 2 weeks, a 24-week treatment observation period, and a 2-week safety follow-up period, totaling 28 weeks. The primary endpoint was the percentage change in weight from baseline after 24 weeks of administration. The secondary endpoints included the change in weight from baseline after 24 weeks of administration, as well as the change in waist circumference from baseline.

Interventions

Administered orally, QD, 24 weeks

Administered orally, QW, 24 weeks

Sponsors

Shanghai Minwei Biotechnology Co., Ltd
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

1. Participate in the multi-center, randomized, double-blind, placebo-controlled Phase II clinical trial (MWN109-II-WL) to evaluate the efficacy and safety of MWN109 injection in adult non-diabetic overweight or obese participants in China; complete the EOT visit and safety follow-up of the participants. 2. Participants whose weight decreased by ≥5% compared to baseline at the EOT visit of the MWN109-II-WL study. 3. Participants with a BMI \> 18.5 kg/m² at the time of the safety follow-up in the MWN109-II-WL study and at the time of randomization at Visit 2 (V2) of this study, and who were evaluated by the investigator as suitable for participating in this study. 4. Agree not to use other weight-loss drugs or treatments during the study period. 5. From the time of signing the informed consent until 3 months after the last dose of the investigational drug, the participant must have no intention of becoming pregnant and must voluntarily use effective contraceptive measures to prevent pregnancy (or ensure their partner does). There must be no plans for sperm or egg donation. Participants of childbearing potential must not be breastfeeding, and the pregnancy test result prior to randomization must be negative.

Exclusion criteria

1. Previously diagnosed with type 1, type 2, or any other type of diabetes (excluding gestational diabetes). 2. At the EOT visit of the MWN109-II-WL study, the fasting plasma glucose in the central laboratory was ≥ 7.0 mmol/L, or the HbA1c was ≥ 6.5%. 3. At the screening stage, the PHQ-9 questionnaire score was ≥ 15; or at the screening stage, there was a suicidal tendency or suicidal behavior, or the subject was judged to have a suicidal risk. 4. Plans to participate in another clinical study of a trial drug or device before completing all the scheduled assessments in this clinical study, or to take drugs or non-drug treatments that affect weight (excluding diet and exercise control).

Design outcomes

Primary

MeasureTime frameDescription
Percentage change in body weight compared to baseline after 24 weeks of drug administrationBaseline, Week 24Percentage change in body weight from baseline to Week 24.

Secondary

MeasureTime frameDescription
Change from baseline in body weight over timeBaseline, Week 24Change in body weight from baseline to week 24.
The proportion of participants whose weight remained unchanged from baseline to week 24Baseline, Week 24Proportion of participants with body weight unchanged from baseline at week 24.
Change from baseline in waist circumference over timeup to 24 weeksChange in waist circumference from baseline to week 24.
Change from baseline in body mass index (BMI) over timeup to 24 weeksChange in BMI from baseline throughout the study.
Change from baseline in waist-to-hip ratio (WHR) over timeup to 24 weeksChange in WHR from baseline throughout the study.
Time to first body weight greater than baseline at two consecutive visitsup to 24 weeksTime to the first occurrence of body weight greater than the baseline level at two consecutive visits (calculated based on the time of the second visit).
Change from Baseline in IWQOL-Lite-CT Score over timeup to 24 weeksThe IWQOL-Lite-CT, a 20-item patient-reported outcome (PRO) tool, evaluates weight-related physical and psychosocial function. Each of its 5 response choices (A-E) yields a score from 1 to 5. Total scores range from 20 to 100. Higher composite and total scores indicate better functional status of the participants.
Incidence of Treatment-Emergent Adverse Events (TEAEs)up to 24 weeksNumber and proportion of participants with treatment-emergent adverse events throughout the study.

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 5, 2026