Safety and Efficacy of Tegoprubart in Patients Undergoing Kidney Transplantation

NCT ID: NCT05983770

Last Updated: 2025-10-29

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

127 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-08-30

Study Completion Date

2025-09-25

Brief Summary

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This study will evaluate the safety and efficacy of AT-1501 compared with tacrolimus in patients undergoing kidney transplantation.

Detailed Description

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This study is a randomized, multicenter, open-label, active control study to evaluate the safety and efficacy of AT-1501 compared with tacrolimus in the prevention of rejection in patients undergoing kidney transplantation. Up to 120 de novo kidney transplant recipients will receive rATG induction with corticosteroids (CS), and mycophenolate as maintenance therapy, and will be randomized 1:1 to receive either AT-1501 or tacrolimus.

Conditions

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Kidney Transplant Rejection

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Investigative

AT-1501 monoclonal antibody targeting CD40L given as an IV infusion

Group Type EXPERIMENTAL

AT-1501

Intervention Type DRUG

IV infusions of AT-1501 20 mg/kg over 1 hour.

Comparator

Tacrolimus administered BID, targeting a whole blood trough concentration of 6-12 ng/mL until Month 6, and 6-8 ng/mL thereafter

Group Type ACTIVE_COMPARATOR

Tacrolimus

Intervention Type DRUG

Tacrolimus will be administered BID, targeting a whole blood trough concentration of 6-12 ng/mL until Month 6, and 6-8 ng/mL thereafter.

Interventions

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AT-1501

IV infusions of AT-1501 20 mg/kg over 1 hour.

Intervention Type DRUG

Tacrolimus

Tacrolimus will be administered BID, targeting a whole blood trough concentration of 6-12 ng/mL until Month 6, and 6-8 ng/mL thereafter.

Intervention Type DRUG

Other Intervention Names

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Tegoprubart

Eligibility Criteria

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Inclusion Criteria

* Male or female ≥ 18 years of age
* Recipient of their first kidney transplant from a living or deceased donor
* Agree to comply with contraception requirements during and for at least 90 days after the last administration of study drug

Exclusion Criteria

* Induction therapy, other than study assigned rATG, planned as part of initial immunosuppressive regimen
* Currently treated with any systemic immunosuppressive regimen, including immunologic biologic therapies
* Currently treated with corticosteroids other than topical or inhaled corticosteroids
* Will receive a kidney with an anticipated cold ischemia time of \> 30 hours
* Will receive a kidney from a donor that meets any of the following:

* 5a. Donation after Cardiac Death (DCD) criteria; Or
* 5b. Kidney Donor Profile Index (KDPI) of \> 85%; Or
* 5c. Is blood group (ABO) incompatible
* Medical conditions that require chronic use of systemic corticosteroids or other immunosuppressants
* History of a thromboembolic event, known hypercoagulable state, or condition requiring long term anticoagulation
* Positive T- or B-cell crossmatch that is due to HLA antibodies or presence of a DSA at Screening
Minimum Eligible Age

18 Years

Maximum Eligible Age

100 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Eledon Pharmaceuticals

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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University of California Los Angeles

Los Angeles, California, United States

Site Status

Keck School of Medicine of USC

Los Angeles, California, United States

Site Status

University of California, Irvine Medical Center

Orange, California, United States

Site Status

University of California, Davis Medical Center

Sacramento, California, United States

Site Status

Medstar Georgetown University Hospital

Washington D.C., District of Columbia, United States

Site Status

Tampa General Hospital

Tampa, Florida, United States

Site Status

Emory University Hospital

Atlanta, Georgia, United States

Site Status

Augusta University

Augusta, Georgia, United States

Site Status

University of Chicago

Chicago, Illinois, United States

Site Status

Loyola University Medical Center

Maywood, Illinois, United States

Site Status

University of Kansas Medical Center

Kansas City, Kansas, United States

Site Status

Tulane Medical Center

New Orleans, Louisiana, United States

Site Status

Johns Hopkins University

Baltimore, Maryland, United States

Site Status

Massachusetts General Hospita;

Boston, Massachusetts, United States

Site Status

Henry Ford Health System

Detroit, Michigan, United States

Site Status

University of Minnesota Medical Center

Minneapolis, Minnesota, United States

Site Status

Mayo Clinic

Rochester, Minnesota, United States

Site Status

Washington University in St. Louis

St Louis, Missouri, United States

Site Status

University of Nebraska Medical Center

Omaha, Nebraska, United States

Site Status

New York University Langone Health - Tisch Hospital

New York, New York, United States

Site Status

Duke University Medical Center

Durham, North Carolina, United States

Site Status

University of Cincinnati Medical Center

Cincinnati, Ohio, United States

Site Status

University of Pittsburgh Medical Center

Harrisburg, Pennsylvania, United States

Site Status

UT Southwestern

Dallas, Texas, United States

Site Status

Virginia Commonwealth University

Richmond, Virginia, United States

Site Status

University of Washington Medical Center

Seattle, Washington, United States

Site Status

University of Wisconsin Health

Madison, Wisconsin, United States

Site Status

Royal Adelaide Hospital

Adelaide, South Australia, Australia

Site Status

Fiona Stanley Hospital

Perth, Western Australia, Australia

Site Status

Fundação Oswaldo Ramos - Hospital do Rim

São Paulo, , Brazil

Site Status

Hospital das Clínicas da Faculdade de Medicina de São Paulo

São Paulo, , Brazil

Site Status

St. Paul's Hospital

Vancouver, British Columbia, Canada

Site Status

Groupe Hospitalier Pellegrin

Bordeaux, , France

Site Status

CHU Grenoble-Alpes - Hopital Nord Michallon

Grenoble, , France

Site Status

Centre Hospitalier Universitaire Dupuytren

Limoges, , France

Site Status

CHU de Toulouse - Hopital de Rangueil

Toulouse, , France

Site Status

CHRU Tours - Hopital Bretonneau

Tours, , France

Site Status

Charite Universitatsmedizin Berlin

Berlin, , Germany

Site Status

Hospital del Mar - Parc de Salut Mar

Barcelona, , Spain

Site Status

Hospital Universitari Vall d'Hebron

Barcelona, , Spain

Site Status

Hospital Clinic de Barcelona

Barcelona, , Spain

Site Status

Hospital Germans Trias i Pujol

Barcelona, , Spain

Site Status

Hospital Universitari de Bellvitge

Barcelona, , Spain

Site Status

Countries

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United States Australia Brazil Canada France Germany Spain

Other Identifiers

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2023-503336-41-00

Identifier Type: OTHER

Identifier Source: secondary_id

U1111-1278-5225

Identifier Type: OTHER

Identifier Source: secondary_id

AT-1501-K207

Identifier Type: -

Identifier Source: org_study_id

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