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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT03644667
Other study ID # DAIT RTB-004
Secondary ID ALL INU01AI13681
Status Active, not recruiting
Phase Phase 2
First received
Last updated
Start date December 20, 2018
Est. completion date April 30, 2025

Study information

Verified date March 2024
Source National Institute of Allergy and Infectious Diseases (NIAID)
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this research study is to see if a study drug called Tocilizumab will, when given with standard anti-rejection medicines, lead to better heart transplantation outcomes at 1 year after the transplant. Specifically, the investigators will evaluate whether taking tocilizumab leads to less rejection, less development of unwanted antibodies, and better heart function.


Description:

This is a prospective, multi-center phase 2 clinical trial in which 200 primary heart transplant recipients will be randomized (1:1) to receive either tocilizumab (Actemra®) or placebo (normal saline) plus standard triple maintenance immunosuppression. Investigators will recruit primary heart transplant recipients from 14 participating centers. Subjects will be screened, consented, and enrolled while on the United Network for Organ Sharing (UNOS) wait list. When the recipient has received the transplant and is deemed hemodynamically stable, randomization will occur. Study duration: The study duration will be approximately 4 years. There will be a 36-month accrual period, and participants will be followed for a minimum 12-month, and a maximum 24 months after heart transplantation. *** IMPORTANT NOTICE: *** The National Institute of Allergy and Infectious Diseases does not recommend the discontinuation of immunosuppressive therapy for recipients of cell, organ, or tissue transplants outside of physician-directed, controlled clinical studies. Discontinuation of prescribed immunosuppressive therapy can result in serious health consequences and should only be performed in certain rare circumstances, upon the recommendation and with the guidance of your health care provider.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 385
Est. completion date April 30, 2025
Est. primary completion date April 30, 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: Inclusion Criteria- Study Entry 1. Subject must be able to understand and provide informed consent; 2. Is a candidate for a primary heart transplant (listed as a heart transplant only); 3. No desensitization therapy prior to transplant; 4. Agreement to use contraception: according to the FDA Office of Women's Health (http://www.fda.gov/birthcontrol), there are a number of birth control methods that are more than 80% effective. - Female participants of child-bearing potential must consult with their physician and determine the most suitable method(s) from the above referenced list to be used for the duration of the study - Those who choose oral contraception must agree to use a second form of contraception after administration of study drug for a period of 1 year after the last dose of study drug. 5. Mechanical support or investigational drug trials where the intervention ends at the time of transplantation are permitted; 6. In the absence of contraindication, vaccinations should be up to date for hepatitis B, influenza, pneumococcal, zoster, and Measles, Mumps, & Rubella (MMR); and 7. Subjects from areas of endemic coccidioidomycosis are eligible for inclusion but must be treated prophylactically with fluconazole or itraconazole. Inclusion Criteria - Randomization 1. Recipient of a primary heart transplant; 2. Negative virtual crossmatch (according to local center criteria); 3. No desensitization therapy prior to transplant; 4. Female subjects of childbearing potential must have a negative pregnancy test (serum or urine) prior to randomization; and 5. Agreement to use contraception: according to the FDA Office of Women's Health (http://www.fda.gov/birthcontrol), there are a number of birth control methods that are more than 80% effective. - Female participants of child-bearing potential must consult with their physician and determine the most suitable method(s) from the above referenced list to be used for the duration of the study - Those who choose oral contraception must agree to use a second form of contraception after administration of study drug for a period of 1 year after the last dose of study drug. 6. Negative SARS-CoV-2 real-time reverse transcription polymerase chain reaction (rRT-PCR) test result performed within 48 hours of transplant (SARS-CoV-2 is the virus that causes COVID-19) Exclusion Criteria: Exclusion Criteria Study Entry 1. Inability or unwillingness of a participant to give written informed consent or comply with study protocol; 2. Candidate for a multiple solid organ or tissue transplants; 3. Prior history of organ or cellular transplantation requiring ongoing systemic immunosuppression; 4. Currently breast-feeding a child or plans to become pregnant during the timeframe of the study follow up period; 5. History of severe allergic and/or anaphylactic reactions to humanized or murine monoclonal antibodies; 6. Known hypersensitivity to tocilizumab (Actemra®); 7. Previous treatment with tocilizumab (Actemra®); 8. Human Immunodeficiency Virus (HIV) positive; 9. Hepatitis B surface antigen positive; 10. Hepatitis B core antibody positive; 11. Hepatitis C virus antibody positive (anti-HCV Ab+) who are either untreated or, have failed to demonstrate sustained viral remission for more than 12 months (after anti-viral treatment); 12. Recipient of a Hepatitis C virus nucleic acid test (NAT) positive donor organ; 13. Subjects must be tested for latent TB infection (LTBI) within a year prior to transplant: --Subjects with a positive test for LTBI must complete appropriate therapy for LTBI. ---A Subject is considered eligible only if they have a negative test for LTBI within one year prior to transplant OR ---- if they have completed appropriate LTBI therapy within one year prior to transplant. 14. Subjects with a previous history of active Tuberculosis (TB); 15. Subjects with a history of splenectomy; 16. Known active current viral, fungal, mycobacterial or other infections not including (left ventricular assist device [LVAD]) driveline infections; 17. History of malignancy less than 5 years in remission. --Any history of adequately treated in-situ cervical carcinoma, low grade prostate carcinoma, or adequately treated basal or squamous cell carcinoma of the skin will be permitted. 18. History of hemolytic-uremic syndrome/ thrombotic thrombocytopenia purpura; 19. History of demyelinating disorders such as: - multiple sclerosis, - chronic inflammation, - demyelinating polyneuropathy. 20. History of gastrointestinal perforations, active inflammatory bowel disease or diverticulitis; 21. Any previous treatment with alkylating agents such as chlorambucil or, total lymphoid irradiation; 22. Radiation therapy within 3 weeks before enrollment. --Enrollment of subjects who require concurrent radiotherapy should be deferred until the radiotherapy is completed and 3 weeks have elapsed since the last date of therapy. 23. Subjects with a hemoglobin <7.0gm/dL (last measurement within 7 days prior to transplant); 24. Subjects with a platelet count of less than 100,000/mm^3 (last measurement within 7 days prior to transplant); 25. Subjects with an absolute neutrophil count (ANC) of less than 2,000/mm^3 (last measurement within 7 days prior to transplant); 26. Subjects with Aspartate Aminotransferase (AST) or Alanine Aminotransferase (ALT) levels >3 x Upper Limit of Normal (ULN); 27. Subjects who are administered or intended to be administered cytolytic or anti-cluster of differentiation 25 (CD25) monoclonal antibody agents as induction therapy in the immediate post-transplant period; 28. Intent to give the recipient a live vaccine within 30 days prior to randomization; 29. Past or current medical problems or findings from physical examination or laboratory testing that are not listed above, which, in the opinion of the investigator, may: - pose additional risks from participation in the study, - may interfere with the participant's ability to comply with study requirements, or - that may impact the quality or interpretation of the data obtained from the study. Exclusion Criteria - Randomization 1. Recipient of multiple solid organ or tissue transplants; 2. Recipient of ex vivo preserved hearts and hearts donated after cardiac death (DCD); 3. Currently breast-feeding a child or plans to become pregnant during the timeframe of the study follow up period; 4. History of severe allergic anaphylactic reactions to humanized or murine monoclonal antibodies; 5. Known hypersensitivity to tocilizumab (Actemra®); 6. Previous treatment with tocilizumab (Actemra®); 7. HIV positive; 8. Hepatitis B surface antigen positive; 9. Hepatitis B core antibody positive; 10. Hepatitis B negative transplant recipient that received a transplant from a hepatitis B core antibody positive donor; 11. HCV+ subject(s) who are either untreated or have failed to demonstrate sustained viral remission for more than 12 months after anti-viral treatment; 12. Recipient of a hepatitis C virus nucleic acid test (NAT) positive donor organ; 13. Subject's organ donor tests positive for SARS-CoV-2 by real-time reverse transcription polymerase chain reaction (SARS-CoV-2 is the virus that causes COVID-19). 14. Subjects with a previous history of active (TB); 15. Subjects must be tested for latent TB infection (LTBI) within a year prior to transplant: --Subjects with a positive test for LTBI must complete appropriate therapy for LTBI. ---A Subject is considered eligible only if they have a negative test for LTBI within one year prior to transplant OR ---- if they have completed appropriate LTBI therapy within one year prior to transplant. 16. Subjects with a history of splenectomy; 17. Known active current viral, fungal, mycobacterial or other infections, not including (left ventricular assist device [LVAD]) driveline infections; 18. History of malignancy less than 5 years in remission. --Any history of adequately treated in-situ cervical carcinoma, low grade prostate carcinoma, or adequately treated basal or squamous cell carcinoma of the skin will be permitted. 19. History of hemolytic-uremic syndrome/ thrombotic thrombocytopenia purpura; 20. History of demyelinating disorders; 21. History of gastrointestinal perforations, active inflammatory bowel disease or diverticulitis; 22. Any previous treatment with alkylating agents such as chlorambucil, or with total lymphoid irradiation; 23. Radiation therapy within 3 weeks before randomization. --Enrollment of subjects who require concurrent radiotherapy should be deferred until the radiotherapy is completed and 3 weeks have elapsed since the last date of therapy. 24. Subjects with a hemoglobin <7.0gm/dL within 7 days prior to randomization; 25. Subjects with a platelet count of less than 100,000/mm^3 within 7 days prior to randomization; 26. Subjects with an absolute neutrophil count (ANC) of less than 2,000/mm^3 within 7 days prior to randomization; 27. Subjects with AST or ALT levels >3 x ULN; 28. Subjects who are administered or intended to be administered cytolytic or anti- CD25 monoclonal antibody agents as induction therapy in the immediate post- transplant period; 29. Receipt of a live vaccine within 30 days prior to randomization; 30. Use of investigational drugs after transplantation; 31. Past or current medical problems or findings from physical examination or laboratory testing that are not listed above, which, in the opinion of the investigator, - may pose additional risks from participation in the study, - may interfere with the participant's ability to comply with study requirements, or - that may impact the quality or interpretation of the data obtained from the study. 32. Subjects with known donor-specific antibody at the time of evaluation of antibodies for heart transplant surgery (within 6 months).

Study Design


Related Conditions & MeSH terms


Intervention

Biological:
tocilizumab
6 doses: 8mg/kg (maximum of 800 mg) given once every four weeks by intravenous infusion over a 20-week period, with a minimum of 21 days between each infusion.
Placebo
The placebo is 0.9% sterile normal saline. 6 doses: 8mg/kg (maximum of 800 mg) given once every four weeks by intravenous infusion over a 20-week period, with a minimum of 21 days between each infusion.
Drug:
Standard of Care Triple IS
Standard of care triple maintenance IS includes: A calcineurin inhibitor-tacrolimus (Prograf ®) per site standards by sublingual, oral or intravenous route to attain target trough levels. Exception: Should a participant be unable to tolerate tacrolimus, the site physician investigator may choose cyclosporine treatment. An anti-proliferative treatment-mycophenolate mofetil or Myfortic® (enteric-coated mycophenolate sodium) will be administered, per protocol. Exception: Should a participant be unable to tolerate mycophenolate mofetil, the site physician investigator may choose an alternative treatment. Steroids-methylprednisolone/prednisone dosing will be given according to the local center standard of practice early post transplantation. After 6 months, prednisone may be withdrawn at the discretion of the site physician investigator, per protocol.

Locations

Country Name City State
United States Cedars Sinai Medical Center (CACS) Beverly Hills California
United States Massachusetts General Hospital (MAMG) Boston Massachusetts
United States Tufts Medical Center (MANM) Boston Massachusetts
United States Montefiore Medical Center (NYMA) Bronx New York
United States Northwestern Memorial Hospital (INLM) Chicago Illinois
United States Cleveland Clinic Foundation (OHCC) Cleveland Ohio
United States Baylor University Medical Center (TXTX) Dallas Texas
United States Duke University Medical Center (NCDU) Durham North Carolina
United States Penn State Health: Milton S. Hershey Medical Center (PAHE) Hershey Pennsylvania
United States St. Luke's Hospital of Kansas City (MOLH) Kansas City Missouri
United States University of California, San Diego: Sulpizio Cardiovascular Center (CASD) La Jolla California
United States Vanderbilt University Medical Center (TNVU) Nashville Tennessee
United States Columbia University Medical Center (NYCP) New York New York
United States Mount Sinai Medical Center (NYMS) New York New York
United States University of Nebraska Medical Center (NEUN) Omaha Nebraska
United States Hospital of the University of Pennsylvania (PAUP) Philadelphia Pennsylvania
United States Allegheny General Hospital (PAAG) Pittsburgh Pennsylvania
United States University of Utah (UTMC) Salt Lake City Utah
United States Stanford Health Care (CASU) Stanford California
United States Tampa General Hospital (FLTG) Tampa Florida

Sponsors (2)

Lead Sponsor Collaborator
National Institute of Allergy and Infectious Diseases (NIAID) PPD

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Proportion of Participants Positive for Event of dnDSA, ACR, AMR, Hemodynamic Compromise, Death or Re-Transplantation - By Treatment Group This outcome is defined by a composite 1 year post-transplant endpoint of:
detection of de novo donor-specific antibodies (dnDSA) (Core Laboratory),
acute cellular rejection (ACR) = ISHLT 2R rejection (Core Laboratory),
antibody mediated rejection (AMR) = ISHLT AMR 1 (Core Laboratory),
hemodynamic compromise rejection in the absence of a biopsy or histological rejection,
death, or
re-transplantation.
From transplant through 12 months post transplant surgery (12 months)
Secondary Freedom of Detection of de Novo Donor-Specific Antibodies (dnDSA) - by Treatment Group A comparison by treatment group of the incidence of freedom from development of de novo donor-specific antibodies (dnDSA). dnDSA is a newly developed alloantibody that is against the donor organ. From transplant through 12 months post transplant surgery (12 months)
Secondary Freedom from Acute Cellular Rejection (ACR) = International Society of Heart and Lung Transplantation (ISHLT) 2R Rejection - by Treatment Group A comparison by treatment group of the incidence of freedom from development of acute cellular rejection =2R (Reference: International Society of Heart and Lung Transplantation [ISHLT] acute cellular rejection-grade 2R or greater severity). From transplant through 12 months post transplant surgery (12 months)
Secondary Freedom from Antibody Mediated Rejection (AMR) = International Society of Heart and Lung Transplantation (ISHLT) AMR 1 - by Treatment Group A comparison by treatment group of the incidence of freedom from development of antibody-mediated rejection defined as ISHLT grade AMR 1 or greater severity. From transplant through 12 months post transplant surgery (12 months)
Secondary Freedom from Hemodynamic Compromise Rejection in the Absence of a Biopsy or Histological Rejection - by Treatment Group A comparison by treatment group of the incidence of freedom from development of hemodynamic compromise (HDC).
Hemodynamic compromise is defined by:
- Need for inotropic agents due to a Cardiac Index (CI) <2.0 L/min/m^2 or a 25% decrease from baseline, in addition to one of the following:
ejection fraction of <40% or a 20% decrease from baseline, and the need for inotropic agents OR
fractional shortening of <20% or a 25% decrease from baseline, and the need for inotropic agents.
From transplant through 12 months post transplant surgery (12 months)
Secondary Freedom from Any-Treated Rejection - by Treatment Group A comparison by treatment group of the incidence of freedom from development of episode of rejection requiring treatment. Reference: Acute cellular rejection as defined by the 2004 International Society of Heart and Lung Transplantation (ISHLT) grading scale. From transplant through 12 months post transplant surgery (12 months)
Secondary Freedom from Acute Cellular Rejection (ACR) = International Society of Heart and Lung Transplantation (ISHLT) 2R Per Patient - by Treatment Group A comparison by treatment group of the incidence of freedom from acute cellular rejection (ACR) = ISHLT 2R rejection. Reference: 2004 International Society of Heart and Lung Transplantation [ISHLT [ grading scale). From transplant through 12 months post transplant surgery (12 months)
Secondary Freedom from Antibody Mediated Rejection (AMR) (= International Society of Heart and Lung Transplantation (ISHLT) AMR 1) Per Participant - by Treatment Group Time from transplant, free of antibody mediated rejection, defined as ISHLT grade AMR 1 or greater will be compared between the treatment groups. Hemodynamic compromise is defined as the need for inotropic agents due to a Cardiac Index (CI) <2.0 L/min/m2 or a 25% decrease from baseline in addition to one of the following:
Ejection fraction of <40% or a 20% decrease from baseline, and the need for inotropic agents
Fractional shortening of <20% or a 25% decrease from baseline, and the need for inotropic agents
From transplant through 12 months post transplant surgery (12 months)]
Secondary Freedom from Hemodynamic Compromise Rejection in the Absence of a Biopsy or Histological Rejection Per Participant - by Treatment Group Time from transplant, free of antibody mediated rejection, defined as ISHLT grade AMR 1 or greater will be compared between the treatment groups From transplant through 12 months post transplant surgery (12 months)
Secondary Occurrence of Death - by Treatment Group Incidence of all-cause mortality will be compared between the treatment groups. From transplant through 12 months post transplant surgery (12 months)
Secondary Occurrence of Re-Listed for Transplantation - by Treatment Group Incidence of participant(s) being re-listed for transplant will be compared between the treatment groups. From transplant through 12 months post transplant surgery (12 months)
Secondary Occurrence of Re-Transplantation - by Treatment Group Incidence of participant(s) re-transplantation will be compared between the treatment groups. From transplant through 12 months post transplant surgery (12 months)]
Secondary Number of Acute Cellular Rejection (= International Society of Heart and Lung Transplantation (ISHLT) 2R) Per Patient - by Treatment Group The frequency of events will be compared between the treatment groups. From transplant through 12 months post transplant surgery (12 months)]
Secondary Number of Antibody Mediated Rejection (AMR) (= International Society of Heart and Lung Transplantation (ISHLT) AMR 1) Per Participant - by Treatment Group The frequency of events will be compared between the treatment groups. 12 months post-transplantation
Secondary Number of Rejection Episodes Associated with Hemodynamic Compromise (HDC) Per Participant - by Treatment Group The frequency of events will be compared between the treatment groups. From transplant through 12 months post transplant surgery (12 months)]
Secondary Change in Intravascular Ultrasound (IVUS) Measurements From Baseline to 1 Year Post-Transplant- by Treatment Group Per protocol, per clinical research site standard of care. Baseline (4 to 8 weeks post-transplant), 1 year post-transplant
Secondary Angiographic Evidence of Cardiac Allograft Vasculopathy (CAV) - by Treatment Group In accordance with the International Society of Heart and Lung Transplantation (ISHLT) Cardiac Allograft Vasculopathy (CAV) angiographic grading scale. 12 months post-transplantation
Secondary Participant Loss to follow up - by Treatment Group Incidence of participant loss to follow up will be compared between the treatment groups. 12 months post-transplantation
Secondary Occurrence of Serious Infections Requiring Intravenous Antimicrobial Therapy and Need for Hospitalization - by Treatment Group The frequency of serious infections requiring intravenous antimicrobial therapy and need for hospitalization will be compared between treatment groups. Through 24 months post transplant surgery
Secondary Incidence of Tuberculosis - by Treatment Group The incidence of tuberculosis will be compared between treatment groups. Through 24 months post transplant surgery
Secondary Incidence of Cytomegalovirus (CMV) Infection - by Treatment Group The incidence of CMV infection will be compared between treatment groups. Through 24 months post transplant surgery
Secondary Incidence of Post-Transplant Lymphoproliferative Disease (PTLD) - by Treatment Group The incidence of PTLD will be compared between treatment groups. Through 24 months post transplant surgery
Secondary Tolerability (Discontinuation of Study Drug) of Tocilizumab (TCZ) - by Treatment Group The number of participants who discontinue study drug, per protocol, will be compared between treatment groups. Through 24 months post transplant surgery
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