- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04069533
Lentiviral-mediated Gene Therapy for Pediatric Patients With Fanconi Anemia Subtype A
A Phase II Clinical Trial to Evaluate the Efficacy of the Infusion of Autologous CD34+ Cells Transduced With a Lentiviral Vector Carrying the FANCA Gene (Orphan Drug) in Patients With Fanconi Anemia Subtype A
This is an open-label Phase II clinical trial to evaluate the efficacy of a hematopoietic cell-based gene therapy for pediatric patients with Fanconi Anemia, subtype A (FA-A).
Hematopoietic stem cells from mobilized peripheral blood of patients with FA-A will be transduced ex vivo (outside the body) with a lentiviral vector carrying the FANCA gene. After transduction, the corrected stem cells will be infused intravenously back to the patient with the goal of preventing bone marrow failure.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a pediatric open-label Phase II clinical trial to assess the efficacy of a hematopoietic gene therapy consisting of autologous CD34+ enriched cells transduced with a lentiviral vector carrying the FANCA gene in pediatric subjects with FA-A.
Enriched CD34+ hematopoietic stem cells will be transduced ex vivo with the therapeutic lentiviral vector and infused via intravenous infusion following transduction without any prior conditioning.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Fanconi Anemia Clinical Trial
- Phone Number: +1 646-627-0033
- Email: FAclinicaltrial@rocketpharma.com
Study Contact Backup
- Name: Fanconi Anemia Clinical Trial
- Email: FAclinicaltrial@rocketpharma.com
Study Locations
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-
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Madrid, Spain, 28009
- Hospital Infantil Universitario Niño Jesús (HIUNJ)
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Fanconi anemia as diagnosed by chromosomal fragility assay of cultured lymphocytes in the presence of diepoxybutane (DEB) or similar DNA-crosslinking agent
- Patient of the complementation group FA-A
- Minimum age: 1 year and minimum weight of 8 kg.
- Maximum age: 17 years
- At least 30 CD34+ cells/µL are determined in one BM aspiration within 3 months prior to the CD34+ cell collection.
- Provide informed consent in accordance with current legislation
- Women of childbearing age must have a negative urine pregnancy test at the baseline visit, and accept the use of an effective contraception method during participation in the trial
Exclusion Criteria:
- Patients with an available and medically eligible human leukocyte antigen (HLA)-identical sibling donor
- Evidence of myelodysplastic syndrome or leukemia, or cytogenetic abnormalities other than those predictive of these conditions in bone marrow (BM) aspirate analysis. This assessment should be made by valid studies conducted within the 3 months before the patient enters the clinical trial
- Patients with somatic mosaicism associated with stable or improved counts in all PB cell lineages (If T-lymphocyte chromosomal fragility analysis indicates potential mosaicism, a medically significant decrease in at least one blood lineage over time must be documented to enable eligibility)
- Lansky performance index ≤ 60%
- Any concomitant disease or condition that, in the opinion of the Principal Investigator, deems the patient unfit to participate in the trial
- Pre-existing sensory or motor impairment >/= grade 2 according to the criteria of the National Cancer Institute (NCI)
- Pregnant or breastfeeding women
Hepatic dysfunction as defined by either:
- Bilirubin > 3 x the upper limit of normal (ULN)
- Alanine aminotransferase (ALT ) > 5 x ULN
- Aspartate aminotransferase (AST) > 5 x ULN For subjects with bilirubin, ALT, or AST above ULN, a workup to identify the etiology of liver abnormality should be conducted prior to confirmation of eligibility as stipulated in exclusion criterion 5, including evaluation of viral hepatitis, iron overload, drug injury or other causes.
- Renal dysfunction requiring either hemodialysis or peritoneal dialysis
Pulmonary dysfunction as defined by either:
- Need for supplemental oxygen during the prior 2 weeks (in absence of acute infection)
- Oxygen saturation (by pulse oximetry) <90%
- Evidence of active metastatic or locoregionally advanced malignancy for which survival is anticipated to be less than 3 years
- Subject is receiving androgens (i.e. danazol, oxymetholone)
- Subject is receiving other investigational therapy for treatment/prevention of FA-associated bone marrow failure
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: RP-L102
RP-L102 is CD34+ enriched cells from subjects with Fanconi anemia subtype A transduced ex vivo with lentiviral vector carrying the FANCA gene
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CD34+ enriched cells from subjects with Fanconi anemia subtype A transduced ex vivo with lentiviral vector carrying the FANCA gene
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Phenotypic correction of bone marrow colony forming units after infusion of RP-L102
Time Frame: 3 years
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During months 12-36 post-infusion, the survival of bone marrow colony forming units to 10nM mitomycin C (MMC) increases to over or equal to 10% with respect to values determined at baseline (pretreatment evaluation).
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3 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Phenotypic correction of T-lymphocytes in peripheral blood after infusion of RP-L102
Time Frame: 3 years
|
Assessment of the percentage of peripheral blood T-cells with diepoxybutane (DEB)-induced chromosomal aberrations that decreases from over or equal to 50% at baseline (defined as the interval between the pre-treatment evaluation and 2 months post-infusion) to less than 50% during the interval between 12 and 36 months post-infusion.
|
3 years
|
Engraftment of gene-corrected hematopoietic cells after infusion of RP-L102
Time Frame: 3 years
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The level of gene marking of the FANCA-lentiviral vector (LV) provirus in total peripheral blood cells is at least 0.1 vector copy number (VCN) in peripheral blood cells during months 6-36 post-infusion.
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3 years
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Prevention or rescue of bone marrow failure
Time Frame: 3 years
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Assessment of the need for treatment of bone marrow failure.
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3 years
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Short- and long-term Safety
Time Frame: 3 years
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Evaluation of the number of RP-L102 related adverse events
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3 years
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Metabolic Diseases
- Kidney Diseases
- Urologic Diseases
- Bone Marrow Diseases
- Hematologic Diseases
- Genetic Diseases, Inborn
- DNA Repair-Deficiency Disorders
- Anemia, Hypoplastic, Congenital
- Anemia, Aplastic
- Congenital Bone Marrow Failure Syndromes
- Bone Marrow Failure Disorders
- Renal Tubular Transport, Inborn Errors
- Anemia
- Fanconi Syndrome
- Fanconi Anemia
Other Study ID Numbers
- RP-L102-0118
- 2018-002502-31 (EudraCT Number)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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