# A Randomized, Double-Blind, Placebo-Controlled, Multicenter Trial of the Safety and Efficacy of Ceftriaxone and Doxycycline in the Treatment of Patients With Seronegative Chronic Lyme Disease

> **NCT00000938** · PHASE3 · COMPLETED · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)** · enrollment: 66 (—)

## Conditions studied

- Lyme Disease

## Interventions

- **DRUG:** ceftriaxone
- **DRUG:** doxycycline

## Key facts

- **NCT ID:** NCT00000938
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** —
- **Primary completion:** —
- **Final completion:** 2005-11
- **Target enrollment:** 66 (—)
- **Last updated:** 2010-08-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00000938

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00000938, "A Randomized, Double-Blind, Placebo-Controlled, Multicenter Trial of the Safety and Efficacy of Ceftriaxone and Doxycycline in the Treatment of Patients With Seronegative Chronic Lyme Disease". Retrieved via AI Analytics 2026-08-22 from https://api.ai-analytics.org/clinical/NCT00000938. Licensed CC0.

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