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Safety and efficacy of ranirestat in patients with mild-to-moderate diabetic sensorimotor polyneuropathy.
- Source :
- Journal of the Peripheral Nervous System; Dec2015, Vol. 20 Issue 4, p363-371, 9p
- Publication Year :
- 2015
-
Abstract
- We examined the efficacy and safety of ranirestat in patients with diabetic sensorimotor polyneuropathy (DSPN). Patients (18-75 years) with stable type 1/2 diabetes mellitus and DSPN were eligible for this global, double-blind, phase II/III study (ClinicalTrials.gov NCT00927914). Patients (n=800) were randomized 1 : 1 : 1 to placebo, ranirestat 40 mg/day or 80 mg/day (265 : 264 : 271). Change in peroneal motor nerve conduction velocity (PMNCV) from baseline to 24 months was the primary endpoint with a goal improvement vs. placebo ≥1.2m/s. Other end points included symptoms, quality-of-life, and safety. Six hundred thirty-three patients completed the study. The PMNCV difference from placebo was significant at 6, 12, and 18 months in both ranirestat groups, but <1.2m/s. The mean improvement from baseline at 24 months was +0.49, +0.95, and +0.90 m/s for placebo, ranirestat 40mg and 80mg, respectively (NS). The treatment difference vs. placebo reached significance when ranirestat groups were combined in a post hoc analysis (+0.44 m/s; p=0.0237). There was no effect of ranirestat on safety assessments, secondary or exploratory endpoints vs. placebo. Ranirestat was well tolerated and improved PMNCV, but did not achieve any efficacy endpoints. The absence of PMNCV worsening in the placebo group underscores the challenges of DSPN studies in patients with well-controlled diabetes. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10859489
- Volume :
- 20
- Issue :
- 4
- Database :
- Complementary Index
- Journal :
- Journal of the Peripheral Nervous System
- Publication Type :
- Academic Journal
- Accession number :
- 111930747
- Full Text :
- https://doi.org/10.1111/jns.12138