LONDON, December 9, 2015 /PRNewswire/ --

Early-stage gene therapy pipeline particularly strong, with 76% of products at either the Discovery or Preclinical stage, says GBI Research

Analysis from business intelligence provider GBI Research - Gene Therapy: A Diverse Range of Technologies with a Promising Long-Term Outlook - states that the gene therapy pipeline remains large, with 906 products in active development across all stages, although few products have so far reached the market and captured strong revenues.

Oncology, infectious diseases, genetic disorders, cardiovascular diseases and ophthalmological indications are the most active gene therapy pipeline sectors. For a complimentary sample of this research, please visit the GBI Research website.

Managing Analyst Dominic Trewartha: "There are 266 pipeline gene therapies in active development for oncology, more than double that of central nervous system disorders, which is the second-largest therapy area. Furthermore, oncology also accounted for 64% of gene therapy clinical trials between 1989 and 2012.

"Oncology is the predominant area for gene therapy developments due to its high prevalence and genetically driven pathophysiology.

"One reason for the large overall pipeline is the potential for these therapies to develop strong drugs by targeting diseases on a genetic level. Although no products have yet fulfilled this promise, developers expect this in the future."

GBI Research's report also states that, based on pipeline activity, Isis Pharmaceuticals is a major player in the gene therapy research and development space, with 31 gene silencing-based programs in development across the key therapy areas. Sarepta and Alnylam Pharmaceuticals are also key players, with 25 and 24 pipeline products in development, respectively.

Trewartha explains: "In the next decade, these late-stage pipeline developments may translate into clinically and commercially successful gene therapies entering the market. However, high pipeline failure rates due to challenges in developing safe and efficient delivery vectors will remain a barrier.

"Other potential obstacles to gene therapy development include difficulties in manufacturing and purifying viral vectors, as well as increased regulatory oversight by the US Food and Drug Administration and general caution from worldwide regulatory bodies following previous trial deaths," concludes the analyst.

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SOURCE GBI Research