Galactooligosaccharides (GOS) trials recruiting now

1 registration that name galactooligosaccharides as a study arm and are recruiting or about to, as ClinicalTrials.gov listed them on Oct 20, 2026. Read each listing for its full criteria and current status.

Kymata never assesses eligibility. Each listing names its own criteria; only its study team can say whether someone can join. Trial doses are given under the trial's monitoring and are not a schedule for anyone outside it.

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Status

All 1 registrations

Not yet recruitingNCT07774897

Bao Yuan Tang Extract and Galactooligosaccharides for Sleep Regulation

  • No phase
  • Hepatopancreatobiliary Surgery Institute of Gansu Province
  • About 400 people
  • Starts Sep 30, 2026 (estimated)

In plain words A study of galactooligosaccharides in female participants 25 to 45, run by Hepatopancreatobiliary Surgery Institute of Gansu Province. It plans to enroll about 400 people at 6 sites, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists female participants 25 to 45; healthy volunteers accepted. Conditions: Sleep Disturbance; Fatigue Syndrome, Chronic; Endocrine Disorder; Glucose Metabolism Disorder; Lipid Metabolism Disorders.

  • Female registered nurses aged 25-45 years.
  • Participants must meet at least one of the following criteria, self-reported presence of at least one target symptom of the trial, including insomnia, daytime fatigue, or difficulty initiating sleep or Pittsburgh Sleep Quality Index (PSQI)…
  • Engagement in shift work for at least one month before enrollment, with either ≥ 4 night shifts or ≥32 hours of night-shift work during the preceding month.

The exclusion criteria are on the listing.

What it tests, as registered

Combination product (Bao Yuan Tang full-component extract 2.0g and galactooligosaccharides 2.0g); Bao Yuan Tang full-component extract 2.0g plus a placebo consisting of maltodextrin 2.0g; Galactooligosaccharides 2.0g; maltodextrin placebo 4.0g

Registered summary

Certain classical formulas in traditional Chinese medicine and dietary prebiotics have demonstrated beneficial effects on various aspects of suboptimal health status in previous studies. This research aims to evaluate the effects of Bao Yuan Tang full-component extract combined with galactooligosaccharides on improving health-related outcomes in female registered nurse with suboptimal health status, including sleep disturbances, fatigue, endocrine dysregulation, and glucose and lipid metabolic abnormalities.

Where, as registered

No US site; China (6).

ClinicalTrials.gov lists 9 open registrations for this search, including ones where galactooligosaccharides is not a study arm or that are past the 1 we keep. Search them on ClinicalTrials.gov (opens in new tab).

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