Comparing Clindamycin and Metronidazole for Treating Abnormal Vaginal Flora in High Risk Pregnancies

Comparison Between Oral Clindamycin Vs Metronidazole for the Treatment of Abnormal Vaginal Flora in High Risk Pregnancies

Not applicable Interventional HaEmek Medical Center, Israel · NCT01722708

This study tests whether Clindamycin or Metronidazole is better at treating abnormal vaginal flora in pregnant women who are at high risk for preterm labor.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment750 (estimated)
Ages18 Years to 50 Years
SexFemale
SponsorHaEmek Medical Center, Israel Academic / other
Locations2 sites (Afula and 1 other locations)
Trial IDNCT01722708 on ClinicalTrials.gov

What this trial studies

This study aims to compare the effectiveness of two antibiotics, Clindamycin and Metronidazole, in treating abnormal vaginal flora in pregnant women who are at high risk for preterm labor. Pregnant participants diagnosed with abnormal vaginal flora will be randomly assigned to receive either Clindamycin or Metronidazole. The study will monitor the eradication of abnormal flora and any adverse effects associated with the treatments. This approach seeks to determine which antibiotic is more effective in this specific patient population.

Who should consider this trial

Good fit: Ideal candidates for this study are pregnant women over 18 years old who are at increased risk for preterm labor due to factors like cervical effacement or past preterm deliveries.

Not a fit: Patients who have known allergies to the tested antibiotics or have received antibacterial treatment within the week prior to the study will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment options for high-risk pregnant women, potentially reducing the incidence of preterm labor.

How similar studies have performed: Other studies have explored the use of antibiotics for treating abnormal vaginal flora, but this specific comparison of Clindamycin and Metronidazole in high-risk pregnancies is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Pregnant women at increased risk for preterm labor (preterm cervical effacement, preterm uterine contractions, twins pregnancy, vaginal bleeding, past preterm delivery)
* Age above 18 years

Exclusion Criteria:

* Known allergy to the tested antibiotics
* Antibacterial treatment in the week before the vaginal culture was taken
* preterm premature rupture of membranes

Where this trial is running

Afula and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Abnormal Vaginal FloraClindamycin Vs MetronidazoleHigh Risk Pregnancies for Preterm LaborAbnormal vaginal floraclindamycin Vs metronidazoleHigh risk pregnancies for preterm laborPreterm laborLate abortion
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.