Gene therapy of chronic granulomatous disease: The engraftment dilemma

Manuel Grez, Janine Reichenbach, Joachim Schwäble, Reinhard Seger, Mary C. Dinauer, Adrian J. Thrasher

Research output: Contribution to journalReview articlepeer-review

118 Scopus citations

Abstract

The potential of gene therapy as a curative treatment for monogenetic disorders has been clearly demonstrated in a series of recent Phase I/II clinical trials. Among primary immunodeficiencies, gene transfer into hematopoietic stem (HSC)/progenitor cells has resulted in the long-term correction of immune and metabolic defects in treated patients. In most cases, successes were augmented by a recognized biological selection for successfully treated cells in vivo, perhaps even to some extent at the HSC level. In contrast, similar achievements have not turned into reality for immunodeficiencies in which gene-transduced cells lack selective advantages in vivo. This is the case for chronic granulomatous disease (CGD), a primary immunodeficiency, characterized by deficient antimicrobial activity in phagocytic cells. Several attempts to correct CGD by gene transfer in combination with bone marrow conditioning have resulted in low-level long-term engraftment and transient clinical benefits despite high levels of gene marking and high numbers of reinfused cells. This review summarizes the data from clinical trials for CGD and provides some insights into treatment options that may lead to a successful application of gene therapy for CGD.

Original languageEnglish
Pages (from-to)28-35
Number of pages8
JournalMolecular Therapy
Volume19
Issue number1
DOIs
StatePublished - Jan 2011

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