# Substance Abuse Pre-Treatment Screening Study

> **NCT00439049** · — · RECRUITING · sponsor: **The University of Texas Health Science Center, Houston** · enrollment: 7500 (estimated)

## Conditions studied

- Cocaine Abuse
- Cocaine Dependence
- Opiate Dependence
- Alcohol Dependence
- Substance Abuse

## Interventions

- **DRUG:** modafinil
- **DRUG:** d-amphetamine
- **DRUG:** L-Dopa
- **DRUG:** Naltrexone

## Key facts

- **NCT ID:** NCT00439049
- **Lead sponsor:** The University of Texas Health Science Center, Houston
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2005-10
- **Primary completion:** 2026-06
- **Final completion:** 2026-06
- **Target enrollment:** 7500 (ESTIMATED)
- **Last updated:** 2023-12-20

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00439049

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00439049, "Substance Abuse Pre-Treatment Screening Study". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT00439049. Licensed CC0.

---

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