Why Abeona Therapeutics Inc. (and Maybe Sangamo Therapeutics, Inc.) Jumped Higher Today

Shares of Abeona Therapeutics (NASDAQ: ABEO) jumped 18.4% on Tuesday, while shares of Sangamo Therapeutics (NASDAQ: SGMO) ended up 11.3%. The former is clearly because Abeona received a "breakthrough therapy" (BT) designation from the U.S. Food and Drug Administration for its EB-101 gene therapy program, for patients with recessive dystrophic epidermolysis bullosa. Sangamo is developing gene therapies of its own, albeit for different diseases, so it may be riding on Abeona's coattails.

The BT designation can speed up development of a drug a little, although there's nothing to keep the FDA from doing the same thing for drugs without the designation. More importantly, it also serves as an endorsement from the agency that the treatment has promise.

Whether the endorsement is worthy of an 18% gain is debatable, but Abeona is a fairly small company, so the absolute increase in market cap isn't all that much. Abeona's long-term valuation will be determined by the outcome of the phase 3 trial for EB-101, which Abeona plans to start early next year.

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Source: Fool.com