Phase 2 Obesity Trial, Recruiting NCT03298334 Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) Condition: Obesity
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Phase 2 Obesity Trial, Recruiting

NCT03298334
Recruiting Phase 2

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

For the mother:

  • A planned caesarean delivery at 37 weeks of pregnancy or later
  • Carrying a single baby, in good general health, and aged 18 or older
  • Tested negative for infections that can be passed through bodily fluids, as part of standard early pregnancy care
  • Tested negative for Group B strep bacteria between 35 and 37 weeks of pregnancy
  • Vaginal pH of 4.5 or lower, which indicates a healthy balance of bacteria in the vagina
  • No health complications for the mother or baby that would prevent the microbiome restoration procedure from being carried out
  • Able to speak English or Spanish
  • Tested negative for Gonorrhea, Chlamydia, Hepatitis B, Hepatitis C, Syphilis, and HIV at 35 weeks of pregnancy or later
  • For women aged 18–29: a normal cervical screening (Pap) test within the past 3 years
  • For women aged 30–65: a normal Pap test plus an HPV test within the past 5 years, or an approved HPV-only test within the past 5 years, or a normal Pap test alone within the past 3 years
  • Tested negative for COVID-19 (SARS-CoV-2) on admission for delivery, as part of standard care at Inova Health System

For the baby:

  • After birth, the baby requires no more than basic standard newborn care, such as gentle stimulation, suctioning, drying, or oxygen without breathing assistance

Who may not be able to join:

For the mother:

  • Delivery planned at a hospital other than Inova Health System
  • Caesarean delivery scheduled because of an active infection that would have prevented a vaginal birth, such as active genital herpes sores
  • Waters (membranes) breaking before the scheduled caesarean delivery
  • A diagnosis of bacterial vaginosis within the 30 days before the caesarean delivery
  • A symptomatic urinary tract infection within the 30 days before the caesarean delivery
  • Antibiotic use within the 30 days before the caesarean delivery, not counting antibiotics given as standard prevention during surgery
  • Signs of a uterine infection (chorioamnionitis) on admission, such as fever or tenderness over the uterus
  • Signs of a possible vaginal infection on admission for delivery, such as active genital herpes sores
  • A personal history of genital herpes (HSV)
  • A previous positive test for Group B strep
  • A previous child diagnosed with Group B strep blood infection (sepsis)
  • A pregnancy resulting from a donor egg or surrogacy arrangement
  • A pre-existing diagnosis of Type 1 or Type 2 diabetes
  • A history of genital HPV infection, a previous positive HPV test, or genital warts identified by a doctor
  • A positive COVID-19 test within 30 days of delivery, or signs of possible COVID-19 infection on admission for delivery

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 27 July 2026
Phase 2: approximately ~30% of drugs entering this phase reach regulatory approval, based on published industry-wide historical data. This is not specific to this trial.
Phase success rates shown are historical industry-wide averages based on published data. They are not a prediction for this specific trial or your individual situation.

Contact this trial

Principal Investigator: Suchitra Hourigan, MD, Chief, Clinical Microbiome Unit, NIAID, Pediatric Gastroenterologist, National Institute of Allergy and Infectious Diseases (NIAID), Inova Children's Hospital

Phone: 703-776-8489

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Phase 2
Registry
ClinicalTrials.gov
Start date
1 July 2018
Est. completion
1 April 2027

Where this trial is recruiting

🇺🇸 United States

Primary endpoints

Adiposity

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 27 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov