P813: EFFICACY, TREATMENT ADMINISTRATION SATISFACTION AND SAFETY OF SUBCUTANEOUS RAVULIZUMAB THROUGH 1 YEAR IN PATIENTS WITH PAROXYSMAL NOCTURNAL HEMOGLOBINURIA WHO RECEIVED PRIOR INTRAVENOUS ECULIZUMAB. (23rd June 2022) - Yenerel, M. N.; Sicre de Fontbrune, F.; Piatek, C.; Sahin, F.; Füreder, W.; Ogawa, M.; Tomazos, I.; Doll, H.; Ozol-Godfrey, A.; Sierra, J. R.; Szer, J.