# SUCCESS Tracking Study

> **NCT01021917** · — · TERMINATED · sponsor: **Medifast, Inc.** · enrollment: 332 (estimated)

## Conditions studied

- Obesity

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01021917
- **Lead sponsor:** Medifast, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2008-03
- **Primary completion:** 2014-07
- **Final completion:** 2014-07
- **Target enrollment:** 332 (ESTIMATED)
- **Why stopped:** Given the length of time data was collected (i.e. 5 1/3 years), we do not anticipate a change any potential conclusions by completing the final survey.
- **Last updated:** 2017-08-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01021917

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01021917, "SUCCESS Tracking Study". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT01021917. Licensed CC0.

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