# Effectiveness of Contingency Management in the Treatment of Crack Addiction in Brazil

> **NCT03345394** · NA · COMPLETED · sponsor: **Federal University of São Paulo** · enrollment: 98 (actual)

## Conditions studied

- Substance Use Disorders
- Contingency Management
- Addiction, Cocaine

## Interventions

- **BEHAVIORAL:** Contingency Management
- **BEHAVIORAL:** Standard treatment

## Key facts

- **NCT ID:** NCT03345394
- **Lead sponsor:** Federal University of São Paulo
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-12-01
- **Primary completion:** 2020-12-01
- **Final completion:** 2020-12-01
- **Target enrollment:** 98 (ACTUAL)
- **Last updated:** 2021-04-08

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03345394

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03345394, "Effectiveness of Contingency Management in the Treatment of Crack Addiction in Brazil". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT03345394. Licensed CC0.

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