John W Winkelman, MD, PhD

Trials

Studies that name John W Winkelman, MD, PhD as principal investigator, study chair or study director, newest first. Live from ClinicalTrials.gov, fetched 2026-11-12 11:11 UTC. Open this list on ClinicalTrials.gov

• Ph2/Ph3
  NCT04759703 · Treatment of Restless Legs Symptoms With Pramipexole to Improve the Outcomes of Protracted Opioid Withdrawal in OUD

  Massachusetts General Hospital · terminated · Sleep Disorder, Restless Legs Syndrome, Opioid-use Disorder
• Ph4
  NCT04706091 · Efficacy of Suvorexant in Patients With Effectively Treated Restless Legs Syndrome and Persistent Chronic Insomnia

  Massachusetts General Hospital · completed · Restless Legs Syndrome, Insomnia, Sleep Disorder · principal investigator
• Ph4
  NCT03818581 · Suvorexant on Sleep Disturbance in Patients With Chronic Insomnia and Suboptimally Controlled Type 2 Diabetes

  Massachusetts General Hospital · completed · Type 2 Diabetes Mellitus, Insomnia, Sleep Disorder
• Ph4
  NCT02138357 · Butrans for Treatment of Restless Legs Syndrome

  Massachusetts General Hospital · withdrawn · Restless Legs Syndrome · principal investigator
• N/A
  NCT01109537 · Altered Brain GABA and Glutamate in Restless Legs Syndrome

  Brigham and Women's Hospital · completed · Restless Legs Syndrome · principal investigator
• Early Ph1
  NCT00606411 · Efficacy and Safety of Topiramate in the Treatment of Sleep-Related Eating Disorder

  Massachusetts General Hospital · completed · Sleep-Related Eating Disorder · principal investigator
• N/A
  NCT00555750 · Sleep Loss and Mechanisms of Impaired Glucose Metabolism

  Brigham and Women's Hospital · completed · Primary Insomnia · principal investigator
• Ph2
  NCT00247364 · A Double Blind Crossover Trial of Levetiracetam (Keppra®) and Placebo in the Treatment of Restless Legs Syndrome (RLS)

  Sleep Health Centers · completed · Restless Legs Syndrome · principal investigator

Grants

NIH projects from RePORTER, fetched 2026-11-12 11:11 UTC. A project is listed only when its grant number is on one of the trials above, or when the awardee institution matches an affiliation the registry gives for this name. 1 other NIH projects list an investigator with the same name at a different institution and are left out. Coverage is US federal funding only; UK and EU funders are not searched yet.

No NIH project could be tied to this name by a shared trial or a matching institution.

NIH grants that fund their trials

These grant numbers are on the registry records of the trials above. They fund the trial, often through a cooperative group or network, and their principal investigator is usually someone else.

• Treatment of Restless Legs Symptoms with Pramipexole to Improve the Outcomes of Protracted Opioid Withdrawal in OUD: A Pilot Double-blind, Randomized Clinical Trial
  R21DA052861 · NIDA · MASSACHUSETTS GENERAL HOSPITAL · PI John W Winkelman · fiscal years 2021 to 2022
  Named on NCT04759703
• PRETERM FETAL GROWTH
  M01RR002635 · NCRR · BRIGHAM AND WOMEN'S HOSPITAL · PI HEIDELISE ALS · fiscal years 1999 to 2008
  Named on NCT00555750