# The Efficacy of Doxycycline Post Exposure Prophylaxis for Preventing STIs Among MSM in Bangkok, Thailand.

> **NCT07397403** · PHASE4 · RECRUITING · sponsor: **Bangrak STIs Center** · enrollment: 400 (estimated)

## Conditions studied

- Syphilis Infection
- Gonorrhea
- Chlamydia

## Interventions

- **DRUG:** Doxycycline (200mg/day)

## Key facts

- **NCT ID:** NCT07397403
- **Lead sponsor:** Bangrak STIs Center
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-10-06
- **Primary completion:** 2026-10-05
- **Final completion:** 2027-05-31
- **Target enrollment:** 400 (ESTIMATED)
- **Last updated:** 2026-02-09

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07397403

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07397403, "The Efficacy of Doxycycline Post Exposure Prophylaxis for Preventing STIs Among MSM in Bangkok, Thailand.". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT07397403. Licensed CC0.

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