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Business
Merck Serono, Opexa In T-cell Therapy Deal
by Ann M. Thayer
February 11, 2013
| A version of this story appeared in
Volume 91, Issue 6
Opexa Therapeutics has signed an agreement to potentially develop its multiple sclerosis T-cell immunotherapy, Tcelna, with Merck Serono. The deal calls for Merck to pay $5 million for the option to exclusively license Tcelna, which is now in Phase IIb clinical trials. If Merck exercises the option, it will pay $15 million to $25 million to gain rights to the therapy in most of the world. Merck would also pay Opexa up to $195 million more upon reaching development milestones.
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