n=12, but: '[Patients] found that a person’s belief in how well the therapy would work did not predict their actual symptom reduction. This suggests that the positive changes were likely driven by the treatment itself rather than by placebo expectations.' www.psypost.org/psilocybin-a...

Psilocybin-assisted therapy shows promise for veterans with severe, treatment-resistant PTSDA pilot clinical trial suggests that psilocybin combined with psychotherapy is safe and well-tolerated by veterans with severe, treatment-resistant PTSD. The study found that most participants no long...www.psypost.org