A Phase 2 Study of the Efficacy and Safety of a Dose of Donor-Derived CD19-targeted CAR T cells.

2024-516091-15-00 Protocol ELPIDA-ALLOCART-01 Therapeutic exploratory (Phase II) Ongoing, recruiting

Start 23 Nov 2022 · Status Ongoing, recruiting · 1 EU/EEA countries · 3 sites · Protocol ELPIDA-ALLOCART-01

Overview

Sponsor-declared trial summary

Phase Therapeutic exploratory (Phase II)
Status Ongoing, recruiting
Participants planned 8
Countries 1
Sites 3

Relapsed Acute Leukemia

To evaluate the efficacy and safety of the infusion of DDCAR-CD19 cells. To evaluate the incidence of aGVHD and cGVHD. To determine both quantitatively and qualitatively the generation of CAR-T cells using the CliniMACS Prodigy device.

Key facts

Sponsor
Nosokomeio Paidon I Agia Sofia
Participant type
Pediatric, Patients
Age range
0-17 years, 18-64 years
Gender
Male and Female
Therapeutic area
Diseases [C] - Hemic and Lymphatic Diseases [C15]
Trial duration
23 Nov 2022 → ongoing
Decision date (initial)
2024-11-22
Transition trial
Yes
Low-intervention
No
Rare-disease indication
No
Vulnerable population
Yes

External identifiers

EU CT number
2024-516091-15-00
EudraCT number
2021-003445-37

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Safety, Efficacy

To evaluate the efficacy and safety of the infusion of DDCAR-CD19 cells.
To evaluate the incidence of aGVHD and cGVHD.
To determine both quantitatively and qualitatively the generation of CAR-T cells using the CliniMACS Prodigy device.

Secondary objectives 1

  1. To evaluate the duration of in vivo persistence of adoptively transferred DDCAR-CD19 cells. To evaluate B-cell aplasia.

Conditions and MedDRA coding

Relapsed Acute Leukemia

VersionLevelCodeTermSystem organ class
20.1 PT 10063620 Acute lymphocytic leukaemia recurrent 100000004864

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 1

  1. - Individuals between 6 months and 39 years of age who have recurrent or persistent CD19 (+) acute leukemia after allogeneic HSCT or following autologous CAR-T cell therapy - ≥5 X 10-4 CD19+ blast cells in bone marrow as determined per flow cytometry, or isolated extramedullary relapse. - No evidence of ≥ grade II aGVHD or chronic GVHD while off of systemic immunosuppressive therapy for at least 4 weeks. - Lansky (age < 16 years at the time of assent/consent) or Karnofsky (age ≥ 16 years at time of assent/consent) performance status ≥ 50 - Availability of the initial stem cell donor.

Exclusion criteria 1

  1. Active severe infection Active aGVHD Grade ≥II <30% expression of CD19 on the leukemic population Presence of a CD19-negative leukemic subclone Moderate/severe chronic GVHD (NIH consensus) requiring systemic steroids Eligible for therapy with recipient-derived CAR-T cells

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Proportion of patients entered into complete remission (CR) within 30 days after DDCART-CD19 infusion. DDCART-CD19 product purity and Transduction Efficiency Proportion of patients maintain CR after 6 months, 1 year and 2 year after DDCAR-CD19 T-cell infusion

Secondary endpoints 1

  1. Duration of DDCART cell detection in patients' blood Duration of B-cell aplasia Correlation of DDCART cell and B-cells detection with disease relapse

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 1

DDCARTCD19

PRD11665554 · Product

Active substance
DDCARTCD19
Pharmaceutical form
SOLUTION FOR INFUSION
Route of administration
INTRAVENOUS USE
Max daily dose
5000000 Other
Max total dose
10000000 Other
Max treatment duration
2 Day(s)
Authorisation status
Not Authorised
MA holder
NOSOKOMEIO PAIDON I AGIA SOFIA
Paediatric formulation
No
Orphan designation
No

Auxiliary 2

Cyclophosphamide

SUB06859MIG · Substance

Active substance
Cyclophosphamide
Pharmaceutical form
SOLUTION FOR INJECTION/INFUSION
Route of administration
INTRAVENOUS
Max daily dose
500 mg/m2 milligram(s)/square meter
Max total dose
2000 mg/m2 milligram(s)/square meter
Max treatment duration
2 Day(s)
Authorisation status
Authorised
ATC code
- — -
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Fludarabine Phosphate

SUB13897MIG · Substance

Active substance
Fludarabine Phosphate
Pharmaceutical form
POWDER FOR SOLUTION FOR INJECTION OR INFUSION
Route of administration
INTRAVENOUS
Max daily dose
30 mg/m2 milligram(s)/square meter
Max total dose
120 mg/m2 milligram(s)/sq. meter
Max treatment duration
4 Day(s)
Authorisation status
Authorised
ATC code
- — -
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Nosokomeio Paidon I Agia Sofia

Sponsor organisation
Nosokomeio Paidon I Agia Sofia
Address
Thivon, Papadiamantopoulou Papadiamantopoulou
City
Athens
Postcode
115 27
Country
Greece

Scientific contact point

Organisation
Nosokomeio Paidon I Agia Sofia
Contact name
Evgenios Goussetis

Public contact point

Organisation
Nosokomeio Paidon I Agia Sofia
Contact name
Evgenios Goussetis

Third parties 1

OrganisationCity, countryDuties
Coronis Research S.A.
ORG-100028085
Chalandri, Greece On site monitoring, Code 10, Code 11, Other, Code 5, Data management, Code 8

Locations

1 EU/EEA country · 3 investigational sites

By country

CountryMS statusPlanned subjectsSites
Greece Ongoing, recruiting 8 3
Rest of world 0

Investigational sites

Greece

3 sites · Ongoing, recruiting
Nosokomeio Paidon I Agia Sofia
Center for Cell and Gene Therapy, Children's Oncology Unit - Marianna V. Vardilogianni "ELPIDA", Thivon, Papadiamantopoulou, Athens
Evaggelismos Hospital
Hematology Clinic - Bone Marrow Transplantation Unit, Ipsiladou 45-47, 106 76, Athens
University General Hospital Attikon
2nd Propaedeutic Internal Medicine Clinic, Rimini Street 1, 124 62, Athens

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Greece 2022-11-23 2023-03-15

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 6 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) D1_ELPIDA-ALLOCART-01_Protocol_v1_GR 1
Recruitment arrangements (for publication) K1_ELPIDA-ALLOCART-01_Recruitment Arrangement Statement 1
Subject information and informed consent form (for publication) L1_ELPIDA-ALLOCART-1_ICF_10-13years_v2_GR 2
Subject information and informed consent form (for publication) L1_ELPIDA-ALLOCART-1_ICF_14-17years_v2_GR 2
Subject information and informed consent form (for publication) L1_ELPIDA-ALLOCART-1_ICF_Adults_v2_GR_Redacted 2
Subject information and informed consent form (for publication) L1_ELPIDA-ALLOCART-1_ICF_Parents_v2_GR_Redacted 2

Application history

2 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-10-16 Greece Acceptable
2024-11-19
2024-11-22
2 NON SUBSTANTIAL MODIFICATION NSM-1 2025-06-26 Greece Acceptable
2024-11-19
2025-06-26