NCT06605703

Brief Summary

The study compares the effectiveness of treatment options for weight management after discontinuing semaglutide and tirzepatide. The primary outcome is absolute and percentage weight change at 12-weeks.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
226

participants targeted

Target at P75+ for phase_4 obesity

Timeline
Completed

Started Sep 2024

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 18, 2024

Completed
Same day until next milestone

Study Start

First participant enrolled

September 18, 2024

Completed
2 days until next milestone

First Posted

Study publicly available on registry

September 20, 2024

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 5, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 5, 2026

Completed
Last Updated

April 13, 2026

Status Verified

January 1, 2026

Enrollment Period

1.4 years

First QC Date

September 18, 2024

Last Update Submit

April 7, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Percent body weight change at 12 weeks

    Measurement of weight using a bluetooth body weight scale

    Baseline, 12 weeks

Secondary Outcomes (10)

  • Change in body weight (in kg or pounds) at 12 weeks

    Baseline, 12 weeks

  • Physical Activity and Sedentary Behavior

    Baseline, 12 weeks

  • Dietary Intake

    Baseline, 12 weeks

  • Habit/Automaticity

    Baseline, 12 weeks

  • Hunger VAS (Visual Analogue Scale)

    Baseline, 12 weeks

  • +5 more secondary outcomes

Study Arms (3)

WW Clinic - No medications

EXPERIMENTAL

Participants in this group receive behavioral or lifestyle support from WW Clinic. They receive no medications.

Behavioral: WW Clinic

WW Clinic + Meds v1

EXPERIMENTAL

Participants in this group receive behavioral or lifestyle support from WW Clinic. They receive medications prescribed through WW Clinic.

Behavioral: WW ClinicDrug: Bupropion-Naltrexone

WW Clinic + Meds v2

EXPERIMENTAL

Participants in this group receive behavioral or lifestyle support from WW Clinic. They receive medications prescribed through WW Clinic.

Behavioral: WW ClinicDrug: Bupropion-Naltrexone-Metformin

Interventions

WW ClinicBEHAVIORAL

Telehealth platform that specializes in medical weight management and integrates the behavioral and lifestyle support from WW.

WW Clinic + Meds v1WW Clinic + Meds v2WW Clinic - No medications

Bupropion-Naltrexone

WW Clinic + Meds v1

Bupropion-Naltrexone-Metformin

WW Clinic + Meds v2

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • years or older
  • Previous hx of BMI of \>30 or BMI of \>27 with one or more weight related medically qualifying condition (hypertension, dyslipidemia, sleep apnea, cardiovascular disease)
  • Currently taking Wegovy, Ozempic, Mounjaro or Zepbound and have been for at least 6 months
  • At least 15% body weight loss since taking Wegovy, Ozempic, Mounjaro, or Zepbound
  • Willing to stop taking their GLP-1 medication or is discontinuing due to circumstances such as access, cost, coverage, choice, or any other reason
  • Ability to provide informed consent prior to any trial-related activities
  • Able to read and write in English

You may not qualify if:

  • BMI \<22 kg/m2
  • Diabetes
  • Previous surgical obesity treatment
  • Currently pregnant or intending to become pregnant during the study
  • Breastfeeding
  • History of seizures or epilepsy
  • Current opioid use or in acute opioid withdrawal
  • Abrupt discontinuation of alcohol, benzodiazepines, barbiturates, antiepileptic drugs
  • History of glaucoma
  • Uncontrolled hypertension
  • Severe renal impairment and/or Chronic kidney disease stage III or GFR \<60
  • Acute hepatitis or liver failure
  • Acute or chronic metabolic acidosis, including diabetic ketoacidosis
  • Use of antipsychotic medications or opiod analgesics
  • Current or previous history of anorexia or bulimia nervosa
  • +9 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

WW International, Inc

New York, New York, 10011, United States

Location

MeSH Terms

Conditions

ObesityOverweight

Condition Hierarchy (Ancestors)

OvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Kara Marlatt, PhD, MPH

    WW International Inc

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Sr Director, Scientific Research

Study Record Dates

First Submitted

September 18, 2024

First Posted

September 20, 2024

Study Start

September 18, 2024

Primary Completion

February 5, 2026

Study Completion

February 5, 2026

Last Updated

April 13, 2026

Record last verified: 2026-01

Locations