Understanding Ocular Graft-Versus-Host Disease After Bone Marrow Transplant

Ocular Graft-Versus-Host-Disease After Allogeneic Haematopoietic Stem Cell Transplantation: A Territory-Wide Prospective Cohort

Observational The University of Hong Kong · NCT05170347

This study is trying to understand how common eye problems are in people who have had a bone marrow transplant and see if certain factors can help improve their care.

Quick facts

Study typeObservational
Enrollment500 (estimated)
Ages18 Years and up
SexAll
SponsorThe University of Hong Kong Academic / other
Locations1 site (Hong Kong)
Trial IDNCT05170347 on ClinicalTrials.gov

What this trial studies

This observational study aims to establish a territory-wide cohort of patients who have undergone allogeneic hematopoietic stem cell transplantation (HSCT) to investigate ocular graft-versus-host disease (oGVHD). The study will focus on the prevalence and impact of oGVHD, which affects a significant percentage of HSCT patients and can lead to severe complications such as visual loss. By collecting microbiome and tear samples from patients and their family members, the researchers hope to identify risk factors and improve management strategies for oGVHD. The study is conducted in collaboration with the Department of Haematology at Queen Mary Hospital.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 and above who have undergone allogeneic HSCT at Queen Mary Hospital within the last two years.

Not a fit: Patients who have undergone autologous HSCT or are unable to attend follow-up visits may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to better understanding and management of ocular graft-versus-host disease, improving the quality of life for affected patients.

How similar studies have performed: While there is limited research specifically on oGVHD, studies on GVHD management have shown varying degrees of success, indicating that this area is still evolving.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patient aged 18 or above
* Underwent allogeneic HSCT in QMH in the two-year recruitment period

Exclusion Criteria:

* Underwent autologous HSCT
* Patient unable to attend follow-up visits

Family Control Subjects The research team will invite an accompanying family member to be the family control. Microbiome and tear samples will be collected for comparison. The sample collection schedule is the same as the corresponding post-HSCT case.

Where this trial is running

Hong Kong

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Graft Vs Host DiseaseHaematological MalignancyCancerBone Marrow TransplantHaematological malignancy
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.