# A Study to Compare the Safety, Tolerability, and Pharmacokinetics of CTP-692 Versus D-serine in Healthy Volunteers

> **NCT03778320** · PHASE1 · COMPLETED · sponsor: **Concert Pharmaceuticals** · enrollment: 13 (actual)

## Conditions studied

- Healthy Volunteers

## Interventions

- **DRUG:** CTP-692
- **DRUG:** D-Serine

## Key facts

- **NCT ID:** NCT03778320
- **Lead sponsor:** Concert Pharmaceuticals
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-12-14
- **Primary completion:** 2018-12-23
- **Final completion:** 2019-01-31
- **Target enrollment:** 13 (ACTUAL)
- **Last updated:** 2019-03-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03778320

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03778320, "A Study to Compare the Safety, Tolerability, and Pharmacokinetics of CTP-692 Versus D-serine in Healthy Volunteers". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03778320. Licensed CC0.

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