Health Opterion Health Begins Phase 1 Trial for Novel Peritoneal Dialysis Therapy OPT101 by Dr Natalie Singh - Health Editor February 23, 2026 by Dr Natalie Singh - Health Editor February 23, 2026 Opterion Health Enrolls First Patient in Phase 1 SPARC Trial for Novel Peritoneal Dialysis Therapy MUTTENZ, Switzerland – February 23, 2026 – Opterion Health AG today announced the successful enrollment … 0 FacebookTwitterPinterestEmail