Investigating the long-term effects of the anti-obesity medication Phentermine.

2/2, Data Coordinating Center for the Long-term Effectiveness of the Anti-obesity medication Phentermine: the LEAP Trial

NIH-funded research Wake Forest University Health Sciences · NIH-10908410

This study is looking at how well Phentermine, a weight loss medication, works over time when paired with healthy lifestyle changes, and it's for people who want to manage their weight and improve their health.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionWake Forest University Health Sciences NIH-funded
Lab location1 site (Winston-Salem, United States)
Project IDNIH-10908410 on NIH RePORTER

What this research studies

This research focuses on understanding the long-term effectiveness of Phentermine, an anti-obesity medication, when combined with lifestyle interventions for weight loss. It aims to evaluate how this medication impacts weight management and related health factors, such as blood pressure and cardiovascular risk, over an extended period. The study will involve participants from five centers across the United States, who will be monitored for their weight loss progress and any potential adverse effects of the medication. By gathering comprehensive data, the research seeks to provide insights into the safety and efficacy of long-term Phentermine use.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults over 21 years old who are struggling with obesity and may benefit from medication-assisted weight loss.

Not a fit: Patients who are not overweight or obese, or those who have contraindications to Phentermine, may not receive any benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide evidence for the safe long-term use of Phentermine, potentially improving weight management strategies for patients with obesity.

How similar studies have performed: While there have been studies on obesity treatments, this research is novel as it specifically investigates the long-term effects of Phentermine, which has not been thoroughly evaluated in high-quality trials.

Where this research is happening

Winston-Salem, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Atherosclerotic Cardiovascular Disease
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.