Santhera Presents Positive Data from IONIA Open-Label Extension Study in Friedreich's Ataxia
The 12-month IONIA-E study was an open-label extension study following the 6-month randomized controlled IONIA trial. The 68 participants enrolled into the IONIA-E study received high dose (1350/2250 mg/day for patients below/above 45 kg body weight) Catena®. Changes in the International Cooperative Ataxia Rating Scale (ICARS) and Friedreich's Ataxia Rating Scale (FARS) total scores and subscores were evaluated during the total of 18 months period for the combined IONIA and IONIA-E studies. Throughout the combined treatment period, all ICARS subscores showed an improvement with the exception of posture and stance subscore. Patients improved with statistical significance for the eye (p<0.0001), speech (p<0.0001) and upper/lower limb ataxia (p<0.0001) ICARS subscores over the 18 months combined study period. The subgroup of patients who received high dose Catena® from the beginning of the IONIA study (N=22) significantly improved in neurological function over the 18 months of the combined study period (change in total ICARS -3.0 over baseline, p=0.014) suggesting a positive long-term benefit for patients suffering from this chronic disease. The ICARS total score for all patients combined (N=68) showed a mean change of -1.03 points (p=0.132) from baseline, indicating a trend for improvement in neurological function. Comparable data were obtained with the FARS.
"Patients participating in the combined 18-month study period showed an overall trend for functional improvement, which is in clear contrast to the expected natural rate of decline. Generally, the best efficacy of Catena® was observed on ICARS and FARS items addressing fine motor skills and speech," said Thomas Meier, Chief Scientific Officer of Santhera. "These findings provide valuable longer-term efficacy data with Catena® in children affected by this chronic, progressive disease.
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