Genotype-informed dosing of tacrolimus for children after organ transplants
Official title: Genotype Informed Bayesian Dosing of Tacrolimus in Solid Organ Transplant- Pharmacogenomic Implementation in Children
Run by Murdoch Childrens Research Institute · NCT06529536 · Data updated 2026-11-12
This study tests if adjusting the dose of tacrolimus based on children's genetic makeup can help them after organ transplants by ensuring they get the right amount of the medication.
Quick facts
| Phase | Phase 4 |
|---|---|
| Study type | Interventional |
| Ages | 1 Year to 18 Years |
| Sex | All |
| Enrollment | 45 (estimated) |
| Sponsor | Murdoch Childrens Research Institute Academic / other |
| Locations | 1 site (Melbourne, Victoria) |
| Status | Recruiting |
| Started | August 5, 2024 |
| Main results expected | August 2027 |
| Study ends | August 2, 2027 |
| Registry record updated | February 25, 2026 |
| Trial ID | NCT06529536 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are children aged 1 to 18 years who are receiving a solid organ transplant and will be treated with tacrolimus.
✕Probably not a fit
Patients older than 18 years, younger than 1 year, or those who have had a previous liver transplant will not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study evaluates how tailoring tacrolimus dosage based on genetic makeup can optimize drug exposure in pediatric solid organ transplant recipients. By using Bayesian modeling to predict drug levels, the researchers aim to achieve therapeutic drug concentrations while minimizing adverse events. Participants will undergo genotyping for CYP3A4 and CYP3A5 enzymes to guide tacrolimus dosing before and after transplantation. The goal is to improve treatment outcomes and reduce the risk of acute rejection associated with improper drug levels.
Why it matters
Potential benefit: If successful, this approach could lead to more effective and safer immunosuppressant therapy for children undergoing solid organ transplantation.
How similar studies have gone: Other studies have shown promise in using genotype-informed dosing strategies, indicating potential for success with this approach.
Who can join: the full rules
Show full inclusion / exclusion criteria
Participants will be assigned to the prospective arm if treated at Royal Children's Hospital who are receiving a solid organ transplant (SOT) (excluding repeat graft in liver transplant recipients, or lung or intestinal transplant) and who will be on tacrolimus as one of the main immunosuppressants post-transplant. Inclusion Criteria: * Age 1-18 years of age * Kidney, liver or heart transplant recipients * Participant and/or parent consent to the study (prospective arm only) Exclusion Criteria: * Previous liver transplant. * Lung OR Intestinal transplant. * Insufficient time before transplant for pharmacogenomic analysis (prospective arm only) * Immunosuppressant regimen not containing tacrolimus immediate release product * Known hypersensitivity to tacrolimus and/or its formulation.
Where it's running
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Royal Children's Hospital
Melbourne, Victoria, Australia Recruiting
Study contacts
- Principal investigator: Rachel Conyers — Murdoch Childrens Research Institute
- Study coordinator: Rachel Conyers
- Email: pharmaco.genomics@mcri.edu.au
- Phone: 03 9936 6770
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.