# Neurocognitive Effects of Extended-Release Methylphenidate in Healthy Adults

> **NCT07742631** · EARLY_PHASE1 · COMPLETED · sponsor: **University of Witwatersrand, South Africa** · enrollment: 30 (actual)

## Conditions studied

- Healthy Adult Male and Female Volunteers

## Interventions

- **DRUG:** Methylphenidate Stimulant medication therapy
- **OTHER:** Placebo Capsule(s)

## Key facts

- **NCT ID:** NCT07742631
- **Lead sponsor:** University of Witwatersrand, South Africa
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-02-06
- **Primary completion:** 2024-04-15
- **Final completion:** 2024-04-15
- **Target enrollment:** 30 (ACTUAL)
- **Last updated:** 2026-08-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07742631

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07742631, "Neurocognitive Effects of Extended-Release Methylphenidate in Healthy Adults". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07742631. Licensed CC0.

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