~2 spots leftby Apr 2026

Tacrolimus for Hereditary Hemorrhagic Telangiectasia

Recruiting in Palo Alto (17 mi)
ME
Overseen byMarie E Faughnan, MD,MSc,FRCPC
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 2
Waitlist Available
Sponsor: Unity Health Toronto
No Placebo Group
Prior Safety Data
Approved in 5 Jurisdictions

Trial Summary

What is the purpose of this trial?

This trial tests oral low-dose tacrolimus for patients with a condition that causes severe nosebleeds. Tacrolimus helps by reducing new blood vessel growth and inflammation, which can decrease bleeding.

Research Team

ME

Marie E Faughnan, MD,MSc,FRCPC

Principal Investigator

Unity Health Toronto

Eligibility Criteria

This trial is for adults over 18 with Hereditary Hemorrhagic Telangiectasia (HHT) who suffer from frequent nosebleeds, at least 15 minutes per week. Participants must have a clinical or genetic diagnosis of HHT and at least one visible telangiectasia. Pregnant or breastfeeding women, those not using effective contraception, people with certain allergies, acute infections, high creatinine levels, liver issues, abnormal ECGs or unstable illnesses cannot join.

Inclusion Criteria

I am older than 18 years.
I have been diagnosed with HHT either through clinical evaluation or genetic testing.
Ability to give written informed consent, including compliance with the requirements of the study
See 2 more

Exclusion Criteria

Unstable medical illness
I have no known allergies or reactions to the study drug.
I currently have an infection.
See 8 more

Treatment Details

Interventions

  • Tacrolimus (Immunosuppressant)
Trial OverviewThe study tests if low-dose tacrolimus capsules taken orally can reduce the severity of nosebleeds in HHT patients. It will also look for changes in vascular malformations and biomarkers related to HHT in blood and tissue. This Phase II trial involves giving subjects the drug twice daily for six months.
Participant Groups
1Treatment groups
Experimental Treatment
Group I: Tacrolimus immediate-release capsulesExperimental Treatment1 Intervention
subjects will be treated with a 6 months course of oral low-dose tacrolimus capsules to be taken twice daily starting dose of 0.025 mg/kg/day, adjusted to maintain drug blood levels of 2-5ng/ml

Tacrolimus is already approved in Canada, Japan, Switzerland for the following indications:

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Approved in Canada as Advagraf for:
  • Prevention of organ rejection in liver, kidney, and heart transplant patients
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Approved in Japan as Prograf for:
  • Prevention of organ rejection in liver, kidney, and heart transplant patients
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Approved in Switzerland as Prograf for:
  • Prevention of organ rejection in liver, kidney, and heart transplant patients

Find a Clinic Near You

Who Is Running the Clinical Trial?

Unity Health Toronto

Lead Sponsor

Trials
572
Recruited
470,000+
Dr. Sharon Straus profile image

Dr. Sharon Straus

Unity Health Toronto

Chief Medical Officer

MD and MSc in Clinical Epidemiology, University of Toronto

Altaf Stationwala profile image

Altaf Stationwala

Unity Health Toronto

Chief Executive Officer

Bachelor's degree in Health Administration, University of Ottawa

United States Department of Defense

Collaborator

Trials
940
Recruited
339,000+

Pete Hegseth

United States Department of Defense

Chief Executive Officer

Bachelor's degree in Political Science from Princeton University, JD from Harvard Law School

Lisa Hershman

United States Department of Defense

Chief Medical Officer since 2021

MD from Uniformed Services University of the Health Sciences