# Low Dose Trimethoprim-Sulfamethoxazole for the Treatment of Pneumocystis Jirovecii Pneumonia

> **NCT04851015** · PHASE3 · RECRUITING · sponsor: **Todd C. Lee MD MPH FIDSA** · enrollment: 416 (estimated)

## Conditions studied

- Pneumocystis
- Pneumocystis Pneumonia
- Pneumocystis Jirovecii Infection
- Pneumocystis Infections
- Pneumocystis Carinii Infection
- Pneumocystosis; Pneumonia (Etiology)
- Pneumocystis Carinii; Infection, Resulting From HIV Disease
- Pneumocystosis Associated With AIDS

## Interventions

- **DRUG:** trimethoprim-sulfamethoxazole
- **DRUG:** trimethoprim-sulfamethoxazole

## Key facts

- **NCT ID:** NCT04851015
- **Lead sponsor:** Todd C. Lee MD MPH FIDSA
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-11-28
- **Primary completion:** 2030-09-30
- **Final completion:** 2030-12-31
- **Target enrollment:** 416 (ESTIMATED)
- **Last updated:** 2026-02-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04851015

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04851015, "Low Dose Trimethoprim-Sulfamethoxazole for the Treatment of Pneumocystis Jirovecii Pneumonia". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04851015. Licensed CC0.

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