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OpenTrials
Completed

NCT Number: NCT07243756

Gut Microbiome Pill

The purpose of this study is to evaluate the safety and efficacy of a 3D-printed ingestible pill designed to sample microbiota from the GI tract, focusing on the ability to collect data also from the small intestine. The study also aims to assess ease of use and transit time.

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Key information

Conditions

Age range

18 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

NYU Langone Health

New York, 10016, United States

About this study

This is a prospective, open-label pilot study designed to evaluate the safety and efficacy of a 3D-printed ingestible pill for microbiome sampling throughout the gastrointestinal (GI) tract, with a specific advantage in being able to sample bacteria from the small intestine. The study will enroll 10 participants, each ingesting the pill. Participants will use a metal detection device to identify the pill in their stool. Upon detection, participants will collect the stool sample and send it to the lab, where the pill will be extracted. Both the pill and stool samples will undergo 16S rRNA sequencing to profile the microbiome. The study will take approximately 4 days per participant

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Healthy adults aged 18-65.
  • Willing and able to provide informed consent.
  • Able and willing to comply with study procedures, including pill ingestion, stool collection, follow and record dietary instructions, and fill questionnaires.

Exclusion criteria

  • History of gastrointestinal diseases (e.g., Crohn's disease, irritable bowel syndrome, small intestinal bacterial overgrowth).
  • History of abdominal surgery that may impact gastrointestinal function (e.g., bowel resection, bariatric surgery).
  • Known allergies or intolerances to medical devices or ingestible capsules.
  • Recent antibiotic use (within 3 months) that may affect gut microbiome results.
  • Use of medications that alter GI motility such as laxatives or prokinetics.
  • Known anatomical abnormalities or strictures in the GI tract that increase the risk of obstruction.
  • Pregnant, planning pregnancy or breastfeeding, since pregnancy and breastfeeding affect the microbiome, Exclusion of pregnancy will be confirmed by the date of the last menstrual period.
  • Participation in another investigational trial within the last 30 days.

Treatment and study plan

3D-printed ingestible pill

Device

The pill consists of a microporous architecture specifically designed to trap bacteria. The pill contains a ferrous (iron) ball for detection with a metal detection device and passes naturally and passively through the GI tract.

Primary outcomes

  1. Number of participants who successfully passed the pill through the GI tract without causing any adverse effects such as GI discomfort, obstruction, or other complications

    Time frame: Pill retrieval (up to 4 days)

    Participants will be asked to report any subsequent events to the study team. Adverse Events (AEs) will be collected through solicited questions (e.g., "Have you experienced any discomfort after ingesting the pill?") and unsolicited reports from participants. All events will be categorized, and severity will be graded.

  2. Number of samples that accurately represents bacterial populations in the small intestine, as well as the entire GI tract, when compared to stool samples

    Time frame: Pill retrieval (up to 4 days)

    Outcome is evaluated using 16S ribosomal RNA (rRNA) sequencing to compare microbial diversity and the presence of specific bacterial taxa between the pill and stool samples.

Secondary outcomes

  1. Time taken for the pill to pass through the GI tract

    Time frame: From ingestion until pill retrieval (up to 4 days)

Sponsors and collaborators

Lead sponsor

NYU Langone Health

Other

Registry information

Official study title

A Pilot Proof of Concept Study, Single-center, Open-label Study to Assess the Safety and Efficacy of an Ingestible Pill for Gut Microbiome Sampling in Healthy Humans

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Nov 24, 2025
Registry last updated
May 4, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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