Status:

NOT_YET_RECRUITING

Comprehensive Ambulatory Antibiotics for the Treatment of Congenital Syphilis

Lead Sponsor:

London School of Hygiene and Tropical Medicine

Collaborating Sponsors:

University College Dublin

University of Stellenbosch

Conditions:

Syphilis, Congenital

Eligibility:

All Genders

Up to 7 years

Phase:

PHASE2

Brief Summary

CARES-1 is a randomised, open-label, phase II pharmacokinetic (PK) and safety study of ambulatory antibiotics for the treatment of neonates with "all-risk" asymptomatic congenital syphilis.

Eligibility Criteria

Inclusion

  • Infants at risk of congenital syphilis at birth defined as:
  • an infant born to a mother who tests positive for syphilis in pregnancy using registered and licensed locally-available diagnostic tests for example but not limited to a Treponemal rapid POCT, an RPR or both.
  • AND
  • the mother is untreated in the current pregnancy defined as:
  • i. she tested positive at antenatal care and received no treatment OR ii. she was never tested during antenatal care OR iii. she tested negative at antenatal care and positive on re-testing at delivery
  • OR c. the mother is inadequately treated in the current pregnancy defined as:
  • i. Having received a non-penicillin based treatment regimen; and/or ii. Does not have documentation of 3 doses of IM Benzathine Penicillin, given 7-10 days apart, with the last dose given \> 30 days prior to delivery OR b. The mother was adequately treated in the current pregnancy BUT considers herself at risk of re-infection following a midwife delivered explanation of risk (partner treatment, multiple partners etc).
  • Infants who are asymptomatic for a diagnosis of congenital syphilis following application of a clinical proforma by the study team (Appendix 1)
  • Infants who are less than \<= 7 days of life AND with a post-menstrual age (PMA) of 34-42 weeks (Appendix 2).
  • Infants who are tolerating enteral feeds, including if they are being administered by an NG tube.

Exclusion

  • \- 1. The infant's clinical condition at birth or prior to randomisation requires ongoing (\> 48 hours) treatment with antibiotics with the potential for anti-treponemal activity i.e. B-lactams, Cephalosporins, Carbapenems.
  • 2\. They have a birthweight \<2kg 3. They are nil by mouth. 4. They have a life-limiting congenital anomaly

Key Trial Info

Start Date :

October 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 30 2027

Estimated Enrollment :

90 Patients enrolled

Trial Details

Trial ID

NCT06921213

Start Date

October 1 2025

End Date

June 30 2027

Last Update

May 4 2025

Active Locations (3)

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Page 1 of 1 (3 locations)

1

Universitas Indonesia

Jakarta, Indonesia

2

Malawi Liverpool Wellcome Programme

Blantyre, Malawi

3

Stellenbosch

Stellenbosch, South Africa

Comprehensive Ambulatory Antibiotics for the Treatment of Congenital Syphilis | DecenTrialz