Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT00783315 · ClinicalTrials.gov registry record · NA

Evaluating Weight Loss Programs for Obese People at Risk for Heart Disease (The POWER Study)

A NA study, sponsored by Johns Hopkins University.

Completed
Registry status
NA
Development phase
415
Enrollment target

NCT00783315: Completed NA study, sponsored by Johns Hopkins University.

NCT00783315 is a NA study that has completed, run by Johns Hopkins University. The registered enrollment target is 415 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (70% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist → Add completion date to calendar (.ics) →

The verdict

NCT00783315, a NA study, has completed, sponsored by Johns Hopkins University.

COMPLETED
Registry status
NA
Development phase
415 participants
Enrollment target

Study Summary

Many people who are obese also have high blood pressure, high cholesterol, or diabetes-all conditions that can increase the risk of heart disease. This study will evaluate two programs that aim to encourage weight loss among obese people who are at risk for developing heart disease.

Interventions

  • BEHAVIORAL Call-Center Directed (CCD) Weight Loss Program
  • BEHAVIORAL In-Person Directed (IPD) Weight Loss Program
  • BEHAVIORAL Self-Directed Weight Loss Program

Trial Details

FieldValue
Enrollment Target 415 participants
Start Date 2008-02-01
Est. Completion 2011-02-28
Phase NA
Johns Hopkins University

1,448 total trials

What the finished NCT00783315 record still lists

NCT00783315 is an interventional study that assigns participants to a tested intervention. The registered 415 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (70% lower).

The record links to 0 conditions, and to 3 interventions - of which Call-Center Directed (CCD) Weight Loss Program is the first listed.

NCT00783315 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00783315 about?

NCT00783315 is a clinical study titled "Evaluating Weight Loss Programs for Obese People at Risk for Heart Disease (The POWER Study)". Many people who are obese also have high blood pressure, high cholesterol, or diabetes-all conditions that can increase the risk of heart disease. This study will evaluate two programs that aim to encourage weight loss among obese people who are at risk for developing heart disease.

What is the current status of trial NCT00783315?

This trial is currently completed. It is a NA study. The enrollment target is 415 participants. The study started on 2008-02-01. Estimated completion is 2011-02-28.

What interventions are being tested in trial NCT00783315?

The interventions under investigation include: Call-Center Directed (CCD) Weight Loss Program (BEHAVIORAL), In-Person Directed (IPD) Weight Loss Program (BEHAVIORAL), Self-Directed Weight Loss Program (BEHAVIORAL).

Who is sponsoring clinical trial NCT00783315?

This trial is sponsored by Johns Hopkins University, which has 1,448 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00783315's enrollment target sits among peer trials

415 241st of 2000 higher than 1,760 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT05142605 · 415 participants · NA

    Evaluation of Grief Therapy Approaches for Bereaved Parents

  • NCT03527537 · 416 participants · Phase 4

    Gestational Diabetes and Pharmacotherapy (GAP)

  • NCT05007782 · 416 participants · Phase 1

    Study of Denikitug (GS-1811) Given Alone or With Zimberelimab in Adults With Advanced Solid Tumors

  • NCT05520099 · 416 participants

    Observational Basket Trial to Collect Tissue to Develop and Train a Live Tumor Diagnostic Platform

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT00783315, the US trial registry maintained by the National Library of Medicine. NCT00783315 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.