Trazodone in Painful Diabetic Neuropathy

"Oral administration of trazodone 20 mg (corresponding to 10 drops of trazodone hydrochloride 6% oral solution), three times a day, for 8 weeks. Trazodone total daily dose: 60 mg.~After the 8-week treatment period, patients will receive trazodone 10 mg (corresponding to 5 drops of trazodone hydrochloride 6% oral solution) three times a day for 1-week tapering period in double blind conditions."

"Oral administration of trazodone 10 mg (corresponding to 5 drops of trazodone hydrochloride 6% oral solution), three times a day, for 8 weeks. Trazodone total daily dose: 30 mg.~In order to maintain the study double-blind conditions,patients randomized in this group will be co-administered with placebo oral solution (5 drops).~After the 8-week treatment period, patients will receive placebo oral solution three times a day for 1-week tapering period in double blind conditions."

"Oral administration of placebo oral solution (10 drops) three times a day, for 8-week treatment.~After the 8-week treatment period, patients will receive placebo oral solution three times a day for 1-week tapering period in double blind conditions."