Xylitol trials recruiting now

6 registrations that name xylitol 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.

Filter 6 registrations

Status

Phase

42US sites across 24 states

All 6 registrations

RecruitingNCT07022678

Xylitol Dental Wipes for the Reduction of Bloodstream Infection Risk in Children With Acute Myeloid Leukemia

  • Phase 3
  • Children's Oncology Group
  • About 556 people
  • Started Aug 14, 2026

In plain words A Phase 3 study of xylitol in people 1 to 25, run by Children's Oncology Group. It plans to enroll about 556 people at 39 US sites.

Who it lists and where

Who the trial lists, as registered

Lists people 1 to 25. Conditions: Acute Myeloid Leukemia; Recurrent Acute Myeloid Leukemia.

  • Patient must be ≥ 1 year to ≤ 25 years old at enrollment.
  • Patient must have a diagnosis of AML according to the 2016 World Health Organization classification with or without extramedullary disease.
  • Patient should be planned to receive at least 2 consecutive cycles of myelosuppressive chemotherapy. Each cycle must:
  • Contain IV cytarabine (liposomal formulations allowed), and

5 more inclusion criteria and the exclusion criteria are on the listing.

What it tests, as registered

Best Practice; Biospecimen Collection; Cytarabine; Electronic Health Record Review; Placebo Administration; Xylitol-containing Oral Wipe

Registered summary

This phase III trial compares the effect of xylitol dental wipes to dental wipes without xylitol for the reduction of bloodstream infection in children with acute myeloid leukemia (AML). Xylitol is a naturally occurring sugar compound found in fruits and vegetables. Xylitol has been shown to limit the growth of bacteria in the mouth, and to reduce cavities, plaque on the teeth, and inflammation of the gums. Treatment for AML includes chemotherapy. Patients receiving chemotherapy for AML have a risk of developing bloodstream infections. The full summary is on the listing.

Where, as registered

39 US sites in 22 states.

RecruitingNCT07424846

Xylitol and the Prevention of Periodontal Disease and Preterm Birth Trial

  • Phase 2 and 3
  • University of Washington
  • About 6,000 people
  • Started Mar 26, 2026

In plain words A Phase 2 and 3 study of xylitol in female participants of any age, run by University of Washington. It plans to enroll about 6,000 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists female participants of any age. Conditions: Preterm Birth; Low Birthweight Neonate; Periodontitis; Gingivitis; Developmental Delay.

  • Able to provide informed consent. For those under 18 years of age, an approval will additionally be sought from the parent or guardian
  • Less than 20 weeks' gestation (by best obstetric estimate)
  • At least 20 natural teeth
  • Planning to deliver at one of the health facilities within the XaPPP trial

7 more inclusion criteria and the exclusion criteria are on the listing.

What it tests, as registered

Xylitol Chewing gum; Sorbitol chewing gum

Registered summary

The ground-breaking Prevention of Prematurity and Xylitol (PPaX) cluster randomized controlled clinical trial was conducted in Lilongwe, Malawi and enrolled approximately 10,069 pregnant individuals seeking to evaluate the impact of xylitol-containing chewing gum compared to no chewing gum on reducing the occurrence of maternal periodontal disease, preterm birth, and low birthweight offspring. The premise of this study centers upon the numerous publications supporting a strong association between maternal periodontal disease and preterm birth. The full summary is on the listing.

Where, as registered

No US site; Malawi (1).

RecruitingNCT05361122

Prevention of Developmental Delay and Xylitol (PDDaX) Study

  • No phase
  • University of Washington
  • About 1,000 people
  • Started Apr 4, 2023

In plain words A study of xylitol in people 4 to 8, run by University of Washington. It plans to enroll about 1,000 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists people 4 to 8. Conditions: Prematurity; Neurodevelopmental Disorders.

  • Child born during the PPaX trial
  • Enrollment age between 4-8 years old
  • Parental or legal guardian consent obtained
  • Willing to undergo 3 neurodevelopmental tests

2 more inclusion criteria and the exclusion criteria are on the listing.

What it tests, as registered

Maternal Use of Xylitol Chewing Gum During Pregnancy; No Maternal Xylitol Chewing Gum Use During Pregnancy

Registered summary

The goals of this study are to: evaluate and validate the low-cost, transportable, easily-administered Malawi Developmental Assessment Tool (MDAT) for neurodevelopmental assessment of children aged 4-8 years old in Malawi, as compared to the gold-standard yet more cumbersome and costly Kaufman Assessment Battery for Children-II (KABC-II) among (1) n=500 formerly preterm children and (2) n=500 formerly term children. The full summary is on the listing.

Where, as registered

No US site; Malawi (1).

Not yet recruitingNCT05852587

Xylitol Use for Decolonization of C. Difficile in Patients With IBD

  • Phase 1
  • Brigham and Women's Hospital
  • About 99 people
  • Starts Aug 1, 2026 (estimated)

In plain words A Phase 1 study of xylitol in people 18 and older, run by Brigham and Women's Hospital. It plans to enroll about 99 people at 1 US site.

Who it lists and where

Who the trial lists, as registered

Lists people 18 and older. Conditions: Inflammatory Bowel Diseases; Clostridioides Difficile Infection.

  • Signed informed consent.
  • Male or female ≥ 18 years of age
  • IBD diagnosis (CD, UC or indeterminant Colitis will be permitted)
  • Inactive or mild IBD (HBI score ≤ 7; Partial Mayo score ≤ 4)

1 more inclusion criterion and the exclusion criteria are on the listing.

What it tests, as registered

Xylitol; Placebo

Registered summary

This is a randomized, placebo-controlled, dose-ranging study to assess the safety and efficacy of xylitol as an oral therapeutic for decolonization of C. difficile in IBD patients. A total of 99 patients who meet eligibility criteria will be randomized 1:1:1 to one of two xylitol doses or placebo arm. All arms will receive an identical capsule dosing for four weeks. Microbiome assessment and C. difficile testing will be performed at baseline, week 4, 8, 26, and 52.

Where, as registered

1 US site in 1 state.

Not yet recruitingNCT06799039

Pilot Trial of Xylitol for C. Difficile De-Colonization in Patients With Inflammatory Bowel Disease

  • Early phase 1
  • Brigham and Women's Hospital
  • About 69 people
  • Starts Sep 1, 2026 (estimated)

In plain words An early phase 1 study of xylitol in people 18 and older, run by Brigham and Women's Hospital. It plans to enroll about 69 people at 1 US site.

Who it lists and where

Who the trial lists, as registered

Lists people 18 and older. Conditions: Inflammatory Bowel Disease (IBD); Clostridioides Difficile Infection.

  • Signed informed consent.
  • Male or female ≥ 18 years of age
  • IBD diagnosis (CD, UC or indeterminant Colitis will be permitted)
  • Inactive or mild IBD (HBI score ≤ 4; Partial Mayo score ≤ 4)

1 more inclusion criterion and the exclusion criteria are on the listing.

What it tests, as registered

Xylitol

Registered summary

This 3+3 dose escalation pilot trial will assess the safety and efficacy of xylitol as an oral therapeutic for decolonization of C. difficile in the Inflammatory Bowel Disease (IBD) patient population.

Where, as registered

1 US site in 1 state.

Not yet recruitingNCT07210697

Orthodontic Pain Alleviation With Chewing Gum

  • Phase 3
  • West Virginia University
  • About 60 people
  • Starts Oct 2025 (estimated)

In plain words A Phase 3 study of xylitol in people up to 18, run by West Virginia University. It plans to enroll about 60 people at 1 US site.

Who it lists and where

Who the trial lists, as registered

Lists people up to 18. Conditions: Orthodontic Appliances.

  • Participant and Parents able to sign and understand consent
  • Ability to chew gum

The exclusion criteria are on the listing.

What it tests, as registered

Xylitol Gum

Registered summary

The aim of this study is to determine whether chewing gum can alleviate orthodontic treatment discomfort and improve orthodontic treatment experience. The long-term goal is to enable clinicians to decide whether prescription of chewing gum at the placement of orthodontic appliances can improve patient experience with orthodontic treatment. In specific, a total of 60 patients under the age of 18 will be recruited for the study. Consent will be signed by both the child patient and the parents. The full summary is on the listing.

Where, as registered

1 US site in 1 state.

ClinicalTrials.gov lists 23 open registrations for this search, including ones where xylitol is not a study arm or that are past the 6 we keep. Search them on ClinicalTrials.gov (opens in new tab).

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