Completed NA INTERVENTIONAL 2-arm NCT04514679

EHR Embedded Comparative Effectiveness Studies--WWC (EHR-WWC)

Randomize Everyone: Creating Valid Instrumental Variables for Learning Health Care Systems

Sponsor: Dartmouth-Hitchcock Medical Center

Conditions Obesity

Interventions Dietician / Health Coach Health Coach / Dietician

Updated 8 times since 2020 Last updated: May 27, 2025 Started: Oct 23, 2020 Primary completion: Sep 27, 2021 Completion: Sep 27, 2021

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Obesity and is currently completed. Dartmouth-Hitchcock Medical Center leads this study, which shows 8 recorded versions since 2020 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

8 versions recorded

Jul 2025 — Present [monthly]

Completed NA

Phase: None → NA
Sep 2024 — Jul 2025 [monthly]

Completed
Jul 2024 — Sep 2024 [monthly]

Completed
Jun 2022 — Jul 2024 [monthly]

Completed

Status: Recruiting → Completed
Sep 2021 — Jun 2022 [monthly]

Recruiting

▶ Show 3 earlier versions

Jan 2021 — Sep 2021 [monthly]

Recruiting
Nov 2020 — Jan 2021 [monthly]

Recruiting

Status: Not Yet Recruiting → Recruiting
Sep 2020 — Nov 2020 [monthly]

Not Yet Recruiting

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Dartmouth-Hitchcock Medical Center
Patient-Centered Outcomes Research Institute
Trustees of Dartmouth College

Data source: Dartmouth-Hitchcock Medical Center

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Lebanon, United States