Safety, Pharmacokinetics, and Efficacy of AT 1501 in Patients Undergoing Kidney Transplant

NCT ID: NCT05027906

Last Updated: 2025-06-29

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

RECRUITING

Clinical Phase

PHASE1/PHASE2

Total Enrollment

48 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-02-18

Study Completion Date

2027-01-31

Brief Summary

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This study will evaluate the safety, PK, and efficacy of AT 1501 in patients undergoing kidney transplantation.

Detailed Description

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This study will evaluate the safety, PK, and efficacy of AT 1501 in patients undergoing kidney transplantation. Up to 48 de novo kidney transplant recipients will receive AT-1501 in combination with rATG induction with corticosteroids (CS), and mycophenolate as maintenance therapy.

Conditions

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Prevention of Rejection in Kidney Transplant

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Phase 1b, open label, single-arm study
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

None ( Open Label)

Study Groups

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AT-1501 Single Arm

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

Group Type EXPERIMENTAL

AT-1501

Intervention Type DRUG

Investigative Arm

Interventions

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AT-1501

Investigative Arm

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

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

Exclusion Criteria

1. Induction therapy, other than study assigned rATG, planned as part of initial immunosuppressive regimen
2. Currently treated with any systemic immunosuppressive regimen, including immunologic biologic therapies, with the exception of 5 mg prednisone or equivalent daily;
3. Previous treatment with AT 1501 or any other anti CD40LG therapy
4. The patient has previously received a bone marrow transplant or any other solid organ transplant, including a kidney, or will be undergoing a multi organ or dual kidney transplant
5. Will receive a kidney with an anticipated cold ischemia time of \> 30 hours;
6. Will receive a kidney from a donor that meets any of the following criteria:

* Donation after Cardiac Death (DCD) criteria; or
* Extended Criteria Donor (ECD) criteria, defined as:
* Is blood group (ABO) incompatible; or
* Age ≥ 60 years; or Age 50-59 years with any 2 of the following criteria:
* Death due to cerebrovascular accident
* History of hypertension
* Terminal creatinine ≥ 133 μmol/L (1.5 mg/dL)
7. Human leukocyte antigen identical (two haplotype match or zero HLA mismatch) donor
8. Medical conditions that require chronic use of systemic steroids at a dose higher than 5 mg prednisone or equivalent per day
9. History of a TE event, known hypercoagulable state, or condition requiring long term anticoagulation:
10. 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 Cincinnati

Cincinnati, Ohio, United States

Site Status RECRUITING

Royal Prince Alfred Hospital

Camperdown, New South Wales, Australia

Site Status RECRUITING

Royal Adelaide Hospital

Adelaide, South Australia, Australia

Site Status RECRUITING

Fundação Oswaldo Ramos - Hospital do Rim

São Paulo, , Brazil

Site Status RECRUITING

Providence Health Care - St. Paul's Hospital

Vancouver, British Columbia, Canada

Site Status RECRUITING

Vancouver General Hospital

Vancouver, British Columbia, Canada

Site Status RECRUITING

McGill University Health Care Centre

Montreal, Quebec, Canada

Site Status RECRUITING

Liverpool University Hospitals NHS Foundation Trust - Royal Liverpool University Hospital

Liverpool, , United Kingdom

Site Status RECRUITING

Oxford University Hospitals NHS Foundation Trust - John Radcliffe Hospital

Oxford, , United Kingdom

Site Status RECRUITING

Countries

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United States Australia Brazil Canada United Kingdom

Central Contacts

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Eledon Pharmaceuticals

Role: CONTACT

949-238-8090

Facility Contacts

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Research Staff

Role: primary

Research Staff

Role: primary

Research Staff

Role: primary

Research Staff

Role: primary

Research Staff

Role: primary

Research Staff

Role: primary

Research Staff

Role: primary

Research Staff

Role: primary

Research Staff

Role: primary

Other Identifiers

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2021-003830-36

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

AT-1501-K102

Identifier Type: -

Identifier Source: org_study_id

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