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Congenital Syphilis Treatment Trial (CONSISTENT) in Neonates
Sponsor: University of Alabama at Birmingham
Summary
The Investigator hypothesize that the treatment efficacy will be similar in both study arms. Secondary outcomes and endpoints will characterize safety by comparing adverse events (AEs), tolerability, and adherence to therapy in each arm. This is a Phase 4, open-label, multicenter trial designed to evaluate the efficacy of a single injected dose of intramuscular (IM) BPG (Arm 1) compared to oral amoxicillin administered twice daily (BID) for 10 days (Arm 2). The study will involve infants aged ≤ 30 days old with suspected untreated syphilis. The trial will be conducted at 12 sites across the U.S., enrolling approximately 374 participants. Upon randomization, participants will undergo baseline study sample collection (blood, oropharyngeal, and nasal mucosal swabs for PCR testing) and then receive either treatment with oral amoxicillin or IM BPG, both with directly observed therapy. The participant enrolled in the optional pharmacokinetic (PK) sub-study will have additional blood samples collected for PK analysis within the first 24-48 hours after treatment. Participants will be discharged from the hospital following routine procedures, with the oral amoxicillin dosing continued at home (BID) by the caregiver.
Official title: Congenital Syphilis Treatment Trial (CONSISTENT): Phase IV, Open-label, Randomized Controlled Trial of Amoxicillin vs. Benzathine in Neonates With Possible Congenital Syphilis
Key Details
Gender
All
Age Range
0 Days - 30 Days
Study Type
INTERVENTIONAL
Enrollment
374
Start Date
2026-11-01
Completion Date
2031-08-31
Last Updated
2026-03-09
Healthy Volunteers
No
Conditions
Interventions
Benzathine Penicillin
Standard of Care Treatment
Amoxicillin
Amoxicillin given by mouth for 10 days