NCT04091737

A Phase 1 Pilot Study to Evaluate the Safety and Feasibility of Gene Therapy With CSL200 (Autologous Enriched CD34+ Cell Fraction That Contains CD34+ Cells Transduced With Lentiviral Vector Encoding Human γ-GlobinG16D and Short-Hairpin RNA734) in Adult Subjects With Severe Sickle Cell Disease

Study Summary

This is a phase 1 pilot study of CSL200 in adult subjects with severe sickle cell disease. The primary objectives of this study are to evaluate the safety of the following: collection of CD34+ hematopoietic stem / progenitor cells by apheresis after mobilization with plerixafor, reduced intensity conditioning with melphalan, and administration of CSL200.

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Interventions

Autologous enriched CD34+ cell fraction that contains CD34+ cells transduced with lentiviral vector encoding human γ-globinG16D and short-hairpin RNA734BIOLOGICAL
* Cryopreserved formulated autologous enriched CD34+ cell fraction that contains CD34+ cells transduced with lentiviral vector encoding human γ-globinG16D and short-hairpin RNA734 in a bag for infusion * Plerixafor to mobilize hematopoietic stem cells prior to each apheresis * Single dose melphalan before administration of CSL200

Study Locations

FacilityCityStateCountry
City of Hope Medical CenterDuarteCaliforniaUnited States

Official Trial Information

View on ClinicalTrials.gov

Data sourced from ClinicalTrials.gov. Last updated: April 14, 2026