Arno wobbling as it questions if onapristone has a future

5 January 2017

US biopharma Arno Therapeutics (OTCQB: ARNI) had lost nearly 22% of its already limited value by mid-morning on Thursday, after it announced that it was not going to enroll the remaining three patients in a Phase II trial.

The trial is a study of onapristone in combination with abiraterone acetate in men with advanced castration-resistant prostate cancer (CRPC) who have failed with the latter drug alone.

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