# Characterization of Phenotypic and Genotypic Regressors for Imaging

> **NCT01148381** · — · COMPLETED · sponsor: **National Institute on Drug Abuse (NIDA)** · enrollment: 847 (actual)

## Conditions studied

- Healthy Volunteers
- Substance Use Disorders

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01148381
- **Lead sponsor:** National Institute on Drug Abuse (NIDA)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2010-11-18
- **Primary completion:** —
- **Final completion:** —
- **Target enrollment:** 847 (ACTUAL)
- **Last updated:** 2026-05-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01148381

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01148381, "Characterization of Phenotypic and Genotypic Regressors for Imaging". Retrieved via AI Analytics 2026-07-15 from https://api.ai-analytics.org/clinical/NCT01148381. Licensed CC0.

---

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