# Effect of Acetaminophen and N-Acetylcysteine on Liver Metabolism on Homocystinuria

> **NCT04015557** · PHASE1,PHASE2 · SUSPENDED · sponsor: **Hospital de Clinicas de Porto Alegre** · enrollment: 10 (estimated)

## Conditions studied

- CBS Deficiency

## Interventions

- **DRUG:** Acetaminophen
- **DRUG:** N-acetylcysteine

## Key facts

- **NCT ID:** NCT04015557
- **Lead sponsor:** Hospital de Clinicas de Porto Alegre
- **Sponsor class:** OTHER
- **Phase:** PHASE1,PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** SUSPENDED
- **Start date:** 2022-02-11
- **Primary completion:** 2022-06-30
- **Final completion:** 2022-12-01
- **Target enrollment:** 10 (ESTIMATED)
- **Why stopped:** Study was interrupted due to COVID-19 pandemic
- **Last updated:** 2021-06-30

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04015557

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04015557, "Effect of Acetaminophen and N-Acetylcysteine on Liver Metabolism on Homocystinuria". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04015557. Licensed CC0.

---

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