Clinical trial • Phase I/II • Immunology

THYTREG for Cardiac transplant rejection

Phase I/II trial of THYTREG for Cardiac transplant rejection. Randomised. 11 participants.

Overview

Trial Therapeutic Area
Immunology
Trial Disease
Cardiac transplant rejection
Trial Stage
Phase I/II
Drug Modality
Cell therapy
Paediatric Trial
Yes

Key dates

Initial CTIS Submission Date
29-01-2025
First CTIS Authorization Date
30-01-2025

Trial design

Randomised Phase I/II trial in Spain.

Randomised
Yes
Target Sample Size
11
Trial Duration For Participant
730

Eligibility

Recruits 11 paediatric patients.

Vulnerable Population
Vulnerable population: children (patients under two years of age). Consent must be provided by parents and/or legal guardians; parents and/or guardians must be willing and able to understand the purpose and risks of the study and must sign the informed consent document. No assent process for participants is specified.

Inclusion criteria

  • {"criterion_text":"- Patient under two years of age, who meets all the requirements necessary to undergo a heart transplant.\n- Patients without contraindication to immunosuppressive drugs.\n- Parents and / or guardians must be willing and able to understand the purpose and risks of the study and must sign the informed consent document."}

Exclusion criteria

  • {"criterion_text":"- Patients with DiGeorge Syndrome, since their thymic function is affected. 2) HIV positive\n- HIV positive serology.\n- Active infection by EBV\n- Patients hyperimmunized with cytotoxic anti-HLA antibodies\n- Patients with a history of prior malignancy\n- Patients who have received induction therapy with Basiliximab or Thymoglobulin\n- Patients who have been previously timectomized or transplanted.\n- Patients who have been diagnosed with severe autoimmune disease (celiac disease, autoimmune hypothyroidism, autoimmune diabetes)\n- Patiens who have to receive a heart in asystolia"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Repopulation of Treg cells in the patient, determined as the increase of their blood values and the recovery of the ratio Treg / T-effector cells with respect to the values prior to transplantation","definition_or_measurement_approach":"Determined as the increase in blood values of Treg cells and recovery of the Treg/T-effector cell ratio relative to pre-transplant values."}

Secondary endpoints

  • {"endpoint_text":"- Incidence of episodes of acute myocardial rejection (diagnosed by echocardiography and / or biopsy) that requires treatment in the 2 years post-transplant","definition_or_measurement_approach":"Measured as incidence of clinically significant acute myocardial rejection diagnosed by echocardiography and/or biopsy requiring treatment within 2 years post-transplant."}
  • {"endpoint_text":"- Restoration of immunological homeostasis in terms of values of immune populations. The percentages and absolute values of T, B, NK and Treg lymphoid populations and of monocytes, dendritic cells and granulocytes during the post-transplant follow-up period (+7, +14, +21, +30, +60, +90, +120, +150, +180, +270, +365, +545, +730 days)","definition_or_measurement_approach":"Measured by percentages and absolute counts of immune cell populations (T, B, NK, Treg, monocytes, dendritic cells, granulocytes) at specified post-transplant timepoints (+7, +14, +21, +30, +60, +90, +120, +150, +180, +270, +365, +545, +730 days)."}
  • {"endpoint_text":"- Survival of the patient","definition_or_measurement_approach":"Measured as patient survival over the follow-up period."}
  • {"endpoint_text":"- Security (according to criteria NCI-CTCAE V4.03)","definition_or_measurement_approach":"Safety evaluated according to NCI-CTCAE v4.03 criteria."}

Recruitment

Planned Sample Size
11
Recruitment Window Months
12
Consent Approach
Informed consent must be signed by parents and/or legal guardians. Participants are children under two years; no assent process is specified. Study documentation includes Spanish translations (public title and full title translations available in Spanish).

Geography

Total Number Of Sites
1
Total Number Of Participants
11

Spain

Earliest CTIS Part Ii Submission Date
26-01-2025
Latest Decision Or Authorization Date
30-01-2025
Processing Time Days
4
Number Of Sites
1
Number Of Participants
11

Sites

Site Name
Hospital General Universitario Gregorio Maranon
Department Name
Inmunología
Principal Investigator Name
Rafael Correa
Principal Investigator Email
rafael.correa@iisgm.com
Contact Person Name
Rafael Correa
Contact Person Email
rafael.correa@iisgm.com

Sponsor

Primary sponsor

Full Name
Fundacion Para La Investigacion Biomedica Del Hospital Gregorio Maranon
Organisation Type
Hospital/Clinic/Other health care facility
Country Of Registered Address
Spain

Third parties

  • {"country":"","full_name":"Sponsor- Rafael Correa","duties_or_roles":"Source of monetary support","organisation_type":""}
  • {"country":"","full_name":"Instituto de Salud Carlos III","duties_or_roles":"Source of monetary support","organisation_type":""}

Investigational products

Investigational Product Name
Células linfocíticas Treg, diferenciadas, autólogas, de tejido tímico, expandidas y estimuladas con IL-2 (thyTreg)
Active Substance
THYTREG
Modality
Cell therapy
Routes Of Administration
INTRAVENOUS
Route
Intravenous
Authorisation Status
Investigational - advanced therapy product

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