The trial had been closely watched even if the outcome was seen as a crapshoot

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Adam Feuerstein is a senior writer and biotech columnist, reporting on the crossroads of drug development, business, Wall Street, and biotechnology. He is also a co-host of the weekly biotech podcast The Readout Loud and author of the newsletter Adam’s Biotech Scorecard. You can reach Adam on Signal at stataf.54.

Tenax Therapeutics reported negative results Monday from a late-stage clinical trial evaluating an experimental treatment for a type of heart failure associated with high blood pressure in the lungs.

Shares of the biotech company plunged 84% to $2 in early trading.