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Back In The Saddle: Texas Biotech Opexa Re-Enters The Clinic With MS Immunotherapy

This article was originally published in The Pink Sheet Daily

Executive Summary

After a series of restructurings, a manufacturing upgrade, multiple meetings with FDA and a modest fundraising, Opexa is initiating a Phase IIb trial of its renamed T-cell immune therapy Tcelna, this time in secondary progressive MS.

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Opexa Pharmaceuticals Inc.

Opexa Pharmaceuticals was founded in February 2001 to develop therapeutic vaccines for autoimmune diseases. Based on techniques designed by co-founder Jingwu Zhang of Baylor College of Medicine, its first product is a vaccine comprised of autologous myelin-reactive T-cells that stimulate the immune response of patients with multiple sclerosis. The selectivity of the process enables greater efficacy with fewer side effects than existing therapies for MS.


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