Leflunomide to Prevent Cytomegalovirus Reactivation in Stem Cell Transplant Patients

Recruiting now · Phase 2

Conditions studied: Hematologic Malignancies

In brief

Patients undergoing half-matched hematopoietic stem cell transplantation (HSCT) are at high risk of viral reactivation after bone marrow transplantation (BMT). The purpose of this study is to evaluate whether leflunomide can prevent cytomegalovirus (CMV) reactivation in these patients and to assess its safety. The main questions it aims to answer are - 1. Does leflunomide prevent cytomegalovirus (CMV) related organ damage? 2. Does leflunomide prevent a rise in cytomegalovirus (CMV) copy number to more than 2000 copies/ml? 3. Does leflunomide prevent the need to start pre-emptive therapy for cytomegalovirus (CMV)? 4. Is it safe to use in bone marrow transplant ( BMT) patients? 5. Does leflunomide prevent other viral reactivations - like Adeno virus and BK virus? 6. Does leflunomide affect the risk of acute graft-versus-host disease ( acute GVHD) after bone marrow transplant (BMT)? What medicine will the patients receive? Patients in study shall receive loading dose of Tab. Leflunomide 100 mg daily for 3 days followed by 20 mg daily orally. Leflunomide will be given till day +180 post transplant or till patient is on immunosuppressant medicines.

Key facts

Study ID

NCT07709013

Run by

Tata Memorial Centre

People needed

22

Starts

2024-10-18

Expected to finish

2029-04-01

Last updated by the study team

2026-07-16

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Males or females undergoing Haplo-identical haematopoetic stem cell transplant.
• Age ≥18yrs on the day of signing informed consent
• Undetectable CMV from plasma sample in preceding 7 days
• Patient who has WBC engraftment (ANC>=500/cumm for 3 or more consecutive days).
• Within 7 days of WBC engraftment
• Adequate liver functions (ALT / AST less than 5 times upper limit of normal and Bilirubin <=3 times upper limit of normal) at time of starting leflunomide
• Understands the study procedures, alternative treatment available, and risks involved with the study, and voluntarily agree to participate by giving written informed consent.

You may not qualify if…

• Known hypersensitivity to Leflunomide
• History of clinically significant CMV reactivation in past 1 year
• Patient is receiving/has received drug known to have anti CMV activity within in last 7 days [Ganciclovir, valganciclovir, foscarnet, letermovir, acyclovir (at doses >=3200 mg PO per day or >=25 mg/kg IV per day), valacyclovir (at doses \&>=3000 mg PO per day)]
• Inadequate renal function (creatinine clearance <=30 ml/min)
• Chronic active hepatitis B (HBsAg+ or any HBV DNA+), hepatitis C, or/and HIV
• Any psychiatric condition that might limit the ability of the patient to comply with the protocol

Where it is running

• Advanced Centre for Treatment, Research and Education in Cancer (ACTREC) Tata Memorial Centre — Navi Mumbai, Maharashtra, India (enrolling)
• Advanced Centre for Treatment, Research and Education in Cancer — Navi Mumbai, Maharashtra, India
• Advanced Centre for Treatment, Research and Education in Cancer — Navi Mumbai, Maharashtra, India

Full record on ClinicalTrials.gov

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