title: [Clinical utility of trapidil (MDR-1865) in treating diabetic retinopathy--a multicenter, placebo-controlled, double-blind study].
mesh_terms: D000284:Administration, Oral; D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D003930:Diabetic Retinopathy / Q000188:drug therapy*; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011743:Pyrimidines / Q000627:therapeutic use*; D014192:Trapidil / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D011743:Pyrimidines; D014192:Trapidil