Nidan , Not sure but conjecture would be in this order: lab testing not complete, testing broadened, say for a combo test with Opicinumab, testing complete and in a negotiation phase, general NDA till both parties agree to release results. Doubt that it is because of poor or inconclusive results because of the upcoming WSU presentation.
In any case the results will be definitive because the two labs doing the research, WSU and Biogen, are amongst the foremost M/S research facilities in the world
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