NCT07283978

Brief Summary

This is a real-world study. The purpose of this research is to explore whether a new National Institute for Health and Care Excellence (NICE)-approved digital weight-management model of care can improve health service delivery and address the Quintuple Aim of Healthcare (health outcomes, cost, patient and clinician experience, and health inequalities), for individuals living with obesity accessing National Health Service (NHS) Tier 3 weight-management services.

Trial Health

75
On Track

Trial Health Score

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

Enrollment
580

participants targeted

Target at P75+ for not_applicable obesity

Timeline
15mo left

Started Dec 2025

Geographic Reach
1 country

1 active site

Status
enrolling by invitation

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

Study Progress34%
Dec 2025Nov 2027

First Submitted

Initial submission to the registry

November 19, 2025

Completed
27 days until next milestone

First Posted

Study publicly available on registry

December 16, 2025

Completed
Same day until next milestone

Study Start

First participant enrolled

December 16, 2025

Completed
1.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2027

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2027

Last Updated

April 29, 2026

Status Verified

April 1, 2026

Enrollment Period

1.9 years

First QC Date

November 19, 2025

Last Update Submit

April 23, 2026

Conditions

Keywords

Weight ManagementDigital Weight ManagementObesity

Outcome Measures

Primary Outcomes (2)

  • Percentage of weight change at 12 months

    Baseline and 12 months

  • Quality of Life as a measure to determine cost-effectiveness

    Quality of Life will be measured using the European Quality of Life 5 Dimensions 5 Level (EQ-5D-5L) questionnaire

    Baseline and 12 months

Secondary Outcomes (22)

  • Feasibility of implementing the intervention into Tier 3 weight management pathways

    Once

  • Acceptability of implementing the intervention into Tier 3 weight management pathways

    Once

  • Uptake of the intervention

    12 months

  • Retention in the intervention programme

    From enrolment until the end of the intervention at 12 months /withdrawal/dropout

  • Success in the intervention programme

    From enrolment until the end of the intervention at 12 months

  • +17 more secondary outcomes

Study Arms (4)

Group A Intervention

ACTIVE COMPARATOR

Study participants who receive 12 months of digital weight management services delivered through a smartphone app.

Other: Digital Weight Management Programme

Group B Intervention

ACTIVE COMPARATOR

Study participants who receive 12 months of digital weight management services delivered through a smartphone app

Other: Digital Weight Management Programme

Group A Controls

NO INTERVENTION

Patients who receive standard of care weight management services

Group B Controls

NO INTERVENTION

Patients who receive standard of care service after discharge from standard of care weight management services

Interventions

Digital Weight Management Programme

Group A InterventionGroup B Intervention

Eligibility Criteria

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

You may qualify if:

  • years of age or older
  • Referred to South east London Tier 3 weight management pathway by their GP
  • Accepted by the GSTT Tier 3 weight management service

You may not qualify if:

  • Participants is Group A cannot participate in Group B
  • Do not have use of a smartphone
  • Do not read, write, or speak English
  • Are unable and/or unwilling to provide informed consent
  • Have a diagnosis of an eating disorder
  • Have had bariatric surgery
  • Currently have deranged thyroid function tests (required as part of normal referral process)
  • Have type-1 diabetes
  • Are on insulin or sulfonylureas at high risk of hypoglycaemia

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Guy' & St Thomas' NHS Foundation Trust

London, Greater London, SE1 9RT, United Kingdom

Location

MeSH Terms

Conditions

ObesityOverweight

Condition Hierarchy (Ancestors)

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

Study Officials

  • Andrew Walker, PhD

    Guy's and St Thomas' NHS Foundation Trust

    STUDY CHAIR
  • Emma Duncan, MD, PhD

    King's College London

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
HEALTH SERVICES RESEARCH
Intervention Model
SINGLE GROUP
Model Details: All participants will receive the same intervention but at different times during their obesity treatment. Group A will receive the intervention while waiting to start standard of care weight management services and Group B will receive the intervention upon discharge from their standard of care weight management services.
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 19, 2025

First Posted

December 16, 2025

Study Start

December 16, 2025

Primary Completion (Estimated)

November 1, 2027

Study Completion (Estimated)

November 1, 2027

Last Updated

April 29, 2026

Record last verified: 2026-04

Locations