Clinical trial • Phase III • Immunology|Rare Disease

ETUVETIDIGENE AUTOTEMCEL for Wiskott-Aldrich syndrome

Phase III trial of ETUVETIDIGENE AUTOTEMCEL for Wiskott-Aldrich syndrome. 38 participants.

Overview

Trial Therapeutic Area
Immunology|Rare Disease
Trial Disease
Wiskott-Aldrich syndrome
Trial Stage
Phase III
Drug Modality
Gene therapy|Cell therapy
Paediatric Trial
Yes
Orphan Drug
Yes

Key dates

Initial CTIS Submission Date
03-12-2024
First CTIS Authorization Date
11-04-2025

Trial design

Phase III trial across 1 site in Italy.

Target Sample Size
38
Trial Duration For Participant
5475

Eligibility

Recruits 38 paediatric patients.

Vulnerable Population
The trial includes vulnerable populations (paediatric patients). Inclusion criterion states: "The patient or, if applicable, the patient’s parent(s)/legal guardian(s), are able and willing to provide informed consent." Age-specific informed consent documents are present (L1_ICF parents, L1_ICF 6-11 yr, L1_ICF 12-17 yr, L1_ICF adult) and patient-facing documents are available in English and Italian, indicating assent/consent handling for children and parents/legal guardians.

Inclusion criteria

  • {"criterion_text":"- The patient has been treated with Telethon003\n- The patient or, if applicable, the patient’s parent(s)/legal guardian(s), are able and willing to provide informed consent.\n- Willingness to attend the study visit schedule and be compliant with the protocol."}

Exclusion criteria

  • {"criterion_text":"- Participation in an ongoing clinical study with an investigational drug (other to gene therapy study or early access, object for this study) prior to enrolment in this study or willingness to participate in another interventional clinical trial. If in deviation to this exclusion criteria, a subject took or takes another investigational drug or other available therapy (e.g. hematopoietic stem cell transplant) he will be followed anyway to collect safety events."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- To characterize the long-term safety of the gene therapy treatment with Telethon003 as measured by: recording of adverse event (AE) and serious adverse event (SAE) related to gene therapy including: − insertional mutagenesis and oncogenesis (blood and solid malignancies); − transgene immunogenicity; − development of replication-competent lentiviruses (RCL);","definition_or_measurement_approach":"Recording of adverse events (AE) and serious adverse events (SAE) related to gene therapy including insertional mutagenesis and oncogenesis (blood and solid malignancies), transgene immunogenicity, and development of replication-competent lentiviruses (RCL)."}
  • {"endpoint_text":"- To evaluate the overall survival (OS) as primary efficacy endpoint up to 15 years of follow-up post treatment with Telethon003","definition_or_measurement_approach":"Overall survival (OS) measured up to 15 years of follow-up post treatment with Telethon003."}

Secondary endpoints

  • {"endpoint_text":"- Event free survival","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Annualized rate of severe infections compared with 1 year prior to gene therapy;","definition_or_measurement_approach":"Annualized rate compared with the rate in the 1 year prior to gene therapy."}
  • {"endpoint_text":"- Annualized rate of moderate and severe bleeding episodes compared with 1 year prior to gene therapy","definition_or_measurement_approach":"Annualized rate compared with the rate in the 1 year prior to gene therapy."}
  • {"endpoint_text":"- Eczema","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Autoimmunity","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Hematologic disorders (i.e. neutropenia and/or other cytopenias);","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Malignancies","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Use of IgRT","definition_or_measurement_approach":""}
  • {"endpoint_text":"- New or exacerbations of pre-existing neurological disorders","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Variation in height and weight (for paediatric patients)","definition_or_measurement_approach":"Change in height and weight for paediatric patients over time."}
  • {"endpoint_text":"- Karnofsky/Lansky performance scales","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Platelet count and MPV","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Vector Copy Number (VCN)","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Insertion site analysis (ISA)","definition_or_measurement_approach":""}
  • {"endpoint_text":"- PedsQL (Pediatric Quality of Life Inventory) health-related quality of life scales","definition_or_measurement_approach":""}
  • {"endpoint_text":"- EQ-5D, and SF-10 or SF-36 health-related quality of life questionnaires","definition_or_measurement_approach":""}

Recruitment

Planned Sample Size
38
Recruitment Window Months
180
Consent Approach
Informed consent to be provided by the patient or, if applicable, the patient's parent(s)/legal guardian(s) (inclusion criterion). Age-specific informed consent/assent documents are available: L1_ICF parents, L1_ICF 6-11 yr, L1_ICF 12-17 yr, L1_ICF adult. Patient-facing questionnaires/documents available in English and Italian (D4 patient facing documents EN/IT).

Geography

Total Number Of Sites
1
Total Number Of Participants
38

Italy

Earliest CTIS Part Ii Submission Date
11-03-2025
Latest Decision Or Authorization Date
19-06-2025
Processing Time Days
100
Number Of Sites
1
Number Of Participants
38

Sites

Site Name
San Raffaele Hospital
Department Name
Pediatric Immunohematology Unit
Principal Investigator Name
Francesca Ferrua
Principal Investigator Email
ferrua.francesca@hsr.it
Contact Person Name
Francesca Ferrua
Contact Person Email
ferrua.francesca@hsr.it

Sponsor

Primary sponsor

Full Name
Fondazione Telethon Ets
Organisation Type
Patient organisation/association
Country Of Registered Address
Italy

Contract research organisations

Name
IQVIA Limited
Responsibilities
sponsorDuties codes: 1,10,5,6,7; contact eu_clinical_trials_information@iqvia.com
Name
4S4p Consulenze S.r.l.
Responsibilities
sponsorDuties include 15 (Pharmacovigilance), 8; contact marco.anelli@4s4p.eu

Third parties

  • {"country":"United Kingdom","full_name":"IQVIA Limited","duties_or_roles":"sponsorDuties codes: 1,10,5,6,7","organisation_type":"Pharmaceutical company"}
  • {"country":"Italy","full_name":"4S4p Consulenze S.r.l.","duties_or_roles":"15 (Pharmacovigilance), 8","organisation_type":"Non-Pharmaceutical company"}

Investigational products

Investigational Product Name
OTL-103
Active Substance
ETUVETIDIGENE AUTOTEMCEL
Modality
Gene therapy|Cell therapy
Routes Of Administration
INTRAVENOUS USE
Route
INTRAVENOUS USE
Authorisation Status
prodAuthStatus=1
Orphan Designation
Yes
Investigational Product Name
OTL-103
Active Substance
ETUVETIDIGENE AUTOTEMCEL
Modality
Gene therapy|Cell therapy
Routes Of Administration
INTRAVENOUS USE
Route
INTRAVENOUS USE
Authorisation Status
prodAuthStatus=1
Orphan Designation
Yes

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