The results from the world’s biggest psilocybin trial are in!

COMPASS Pathways announces positive topline results from groundbreaking phase IIb trial of investigational COMP360 psilocybin therapy for treatment-resistant depression

COMPASS Pathways’ (CMPS) stock dropped nearly 30% after announcing mixed study findings and Q3 financial results on Monday.

The company conducted a trial on 233 patients to determine the best psilocybin dose for treatment-resistant depression (TRD).

All three groups showed improvements the day after receiving the dose. The group with the largest dose had the best results, with 36.7% of patients showing at least a 50% decrease in depression scores and 29.1% in remission at week 3. A quarter of the patients showed sustained improvements until week 12.

Unfortunately, 12 patients experienced serious adverse events such as suicidal ideation or self harm, but these behaviours are common in patients with TRD.

The company is preparing for a larger trial beginning next year.

COMPASS also announced that it lost $15.8 million or $0.38 per share in Q3, an improvement compared to its $1.30 loss per share in Q3 of last year.

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