Can a vitamin-like pill ease tough schizophrenia symptoms?
Symptom relief
Not yet recruiting
This study tests whether a supplement called pyrroloquinoline quinone (PQQ) can help reduce negative symptoms (like lack of motivation) and improve thinking skills in people with chronic schizophrenia. About 70 adults will receive either PQQ or a placebo for 8 weeks, and research…
Phase: NA • Sponsor: Tianjin Anding Hospital • Aim: Symptom relief
Last updated Jun 27, 2026 09:03 UTC