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Dental Cleaning to Prevent Chronic Graft-Versus-Host Disease

Dental Cleaning to Prevent Chronic Graft-Versus-Host Disease

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07535008
Enrollment
45
Registered
2026-04-16
Start date
2026-05-22
Completion date
2029-04-30
Last updated
2026-04-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Graft Versus Host Disease, Acute Graft Versus Host Disease, Hematopoietic and Lymphatic System Neoplasm

Brief summary

This clinical trial evaluates the feasibility and effectiveness of a post-transplant dental cleaning for the prevention of chronic graft versus host disease (GVHD) in patients undergoing an allogeneic hematopoietic cell transplant (HCT). HCT is the only curative treatment for some types of blood cancer. Unfortunately, this approach can lead to the development of GVHD, which is a disease caused when cells from a donated stem cell graft attack the normal tissue of the transplant patient. Some research has shown that the bacteria that is present in the dental plaque soon after transplant may affect the development of chronic GVHD. Dental cleanings prior to transplant are part of the normal standard of care for patients undergoing HCT. Adding an additional cleaning shortly after HCT may be effective for preventing the development of chronic GVHD.

Detailed description

OUTLINE: Patients who have not undergone dental cleaning within 3 months preceding the baseline visit undergo dental cleaning at baseline (before the initiation of transplant conditioning) according to standard of care. All patients undergo simplified dental cleaning on day +28 following HCT. After completion of study intervention, patients are followed up on days +84 and +180 and at 1 year.

Interventions

Dental cleaning

Ancillary studies

Sponsors

Fred Hutchinson Cancer Center
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Age ≥ 18 years old * T-replete allogeneic hematopoietic cell transplantation for any indication. History of prior transplantation is allowed. Any conditioning regimen is allowed * One of the following HCT donor types: * 9/10 or 10/10 human leukocyte antigen (HLA)-matched unrelated donor * Cord blood * Willing to have an in-person 1-year long-term follow-up (LTFU) visit including an oral medicine at Fred Hutch (FH) * Ability to understand and sign a written informed consent document (or legal representative)

Exclusion criteria

* Edentulous state * Bone marrow as graft source * Use of post-transplantation cyclophosphamide (PTCy) or ruxolitinib as GVHD prophylaxis * Use of anti-thymocyte globulin (ATG) in conditioning

Design outcomes

Primary

MeasureTime frame
Probability of moderate-to-severe chronic graft versus host diseaseAt 1-year post-transplant

Secondary

MeasureTime frame
Probability of grade III-IV acute graft versus host diseaseAt 6-months post-transplant
Proportion of eligible patients approached who consent (feasibility)Up to 2 years
Proportion of enrolled patients who receive the intervention (feasibility)Up to 2 years

Countries

United States

Contacts

CONTACTArmin Rashidi, MD, PhD
arashidi@fredhutch.org206-667-2506
PRINCIPAL_INVESTIGATORArmin Rashidi, MD, PhD

Fred Hutch/University of Washington Cancer Consortium

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 24, 2026