# Control of Cognition (Naltrexone, Methylphenidate, and ADHD Study (NMAS))

> **NCT01993108** · PHASE4 · COMPLETED · sponsor: **University of Michigan** · enrollment: 23 (actual)

## Conditions studied

- Healthy
- Attention Deficit Hyperactivity Disorder

## Interventions

- **DRUG:** Methylphenidate
- **DRUG:** Naltrexone
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT01993108
- **Lead sponsor:** University of Michigan
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-10
- **Primary completion:** 2015-12
- **Final completion:** 2017-02
- **Target enrollment:** 23 (ACTUAL)
- **Last updated:** 2018-06-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01993108

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01993108, "Control of Cognition (Naltrexone, Methylphenidate, and ADHD Study (NMAS))". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01993108. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
