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Long-Term Follow-up: Phase I/II clinical study to evaluate the safety and efficacy of the infusion of RP-L102
Following the end of participation in Study(RP-L102-0418, RP-L102-0319, RP-L102-0118), patients will be offered enrollment into this LTFU protocol. Patients will be followed for up to 15 years following the RP-L102 infusion in the parent study, until the patient dies, withdraws consent, or is lost to follow-up (whichever occurs first).
For all follow-up visits, remote evaluation facilitated by local health care providers (with blood sample shipment to relevant laboratory facilities) is permitted; however, visits to the study center are required for up to 2 years post- RP-L102 infusion. Study center visits are encouraged when feasible, especially in years 2 through 5 following gene therapy administration. Blood samples will be archived and tested when clinically or scientifically indicated, as in the event of development of a second malignancy.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Subjects that received RP-L102 on the RP-L102-0418, RP-L102-0118 and RP-L102-0319 parent studies | Subjects that received RP-L102 on the RP-L102-0418, RP-L102-0118 and RP-L102-0319 parent studies and either completed the study or discontinued early. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| RP-L102 | Biological | CD34+ enriched cells from subjects with Fanconi anemia subtype A (FA-A) transduced ex vivo with lentiviral vector carrying the FANCA gene, PGK-FANCA-WPRE |
|
| Measure | Description | Time Frame |
|---|---|---|
| Survival in patients treated in the RP-L102 parent studies (RP-L102-0418, RP-L102-0319, RP-L102-0118). | Overall survival and allogeneic-HSCT-free survival will be summarized using Kaplan-Meier estimates. Events for allogeneic-HSCT-free survival are allogeneic-HSCT or death. In addition, event-free survival based on death and any of the following events will be summarized similarly: (1) BMF, (2) MDS/AML, and (3) BMF and MDS/AML. | From infusion in parent study to 15-years post-infusion. |
| Long term safety | To evaluate long-term safety following infusion of hematopoietic cells transduced with the therapeutic lentiviral vector (LV). | From infusion in parent study to 15-years post-infusion. |
| Long-term persistence of the therapeutic LV (provirus) in hematopoietic cells in the bone marrow (BM) and blood. | To determine long-term persistence of the therapeutic LV (provirus) in hematopoietic cells in the bone marrow (BM) and blood, and to evaluate potential correlations between provirus/transgene persistence and hematologic stability (absence of bone marrow failure [BMF] or hematologic malignancy). | From infusion in parent study to 15-years post-infusion. |
| Long-term clonality patterns. | To determine long-term clonality patterns beyond the 3-year follow-up stipulated in the RP-L102 parent studies (RP-L102-0418, RP-L102-0319, RP-L102-0118). | From infusion in parent study to 15-years post-infusion. |
| Replication-competent lentivirus (RCL) in serum and peripheral blood cells. | To evaluate, when relevant, replication-competent lentivirus (RCL) in serum and peripheral blood cells (this will not be considered relevant for subjects in whom no evidence of RCL was identified during the initial year following investigational autologous cell infusion). |
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Inclusion Criteria:
Exclusion Criteria:
There are no criteria for exclusion in this study.
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Subjects that have been treated with RP-L102 on the RP-L102-0418, RP-L102-0118 or RP-L102-0319 parent studies.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Lucille Packard Children's Hospital, Stanford University | Palo Alto | California | 94305 | United States | ||
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| ID | Term |
|---|---|
| D005199 | Fanconi Anemia |
| ID | Term |
|---|---|
| D029502 | Anemia, Hypoplastic, Congenital |
| D000741 | Anemia, Aplastic |
| D000740 | Anemia |
| D006402 | Hematologic Diseases |
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Human Tissue (including blood and bone marrow)
| From infusion in parent study to 15-years post-infusion. |
| Long-term stability and normalization of blood counts. | To determine the long-term stability and normalization of blood counts in patients after RP-L102 infusion on the parent studies. | From infusion in parent study to 15-years post-infusion. |
| Phenotypic correction of BM and peripheral blood cells | To determine the phenotypic correction of BM and peripheral blood (PB) cells (as evaluated by resistance to DNA-damaging agents) in long-term follow-up after gene therapy. BM CFU MMC resistance will be summarized by percentage of patients with expression of ≥20% from at each timepoint | From infusion in parent study to 15-years post-infusion. |
| Incidence of hematologic malignancies and solid organ tumors. | To enable preliminary assessment of the incidence of hematologic malignancies (including acute myeloid leukemia [AML]/myelodysplastic syndrome [MDS]) and solid organ tumors (including squamous cell carcinoma of the head and neck); occurrence of these events will be evaluated in the context of the underlying rates of these malignancies in Fanconi anemia (FA) patient populations (both those who have not undergone allogeneic stem cell transplant and FA patients post-hematopoietic stem cell transplantation [HSCT]). | From infusion in parent study to 15-years post-infusion. |
| Hospital Infantil Universitario Niño Jesús |
| Madrid |
| 28009 |
| Spain |
| University College London Great Ormond Street Institute of Child Health (GOSH) | London | WC1N 1EH | United Kingdom |
| D006425 |
| Hemic and Lymphatic Diseases |
| D000080984 | Congenital Bone Marrow Failure Syndromes |
| D000080983 | Bone Marrow Failure Disorders |
| D001855 | Bone Marrow Diseases |
| D030342 | Genetic Diseases, Inborn |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
| D049914 | DNA Repair-Deficiency Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |