Active clinical trials for "Peripheral Nervous System Diseases"

The purpose of this study is to determine whether QR-333 is safe and effective in the treatment of diabetic neuropathy as compared to placebo.

The purpose of this study is to assess the efficacy and safety of TRO19622 administered PO daily for 6 weeks compared to placebo administered PO daily in patients with painful peripheral diabetic neuropathy.

The purpose of this study is to evaluate the efficacy, safety, and tolerability of orally administered tapentadol extended release (ER) at dosages of 100 to 250 mg twice daily compared with placebo in patients with moderate to severe pain due to chronic, painful diabetic peripheral neuropathy (DPN) who tolerated tapentadol (ER) and have an initial treatment effect (pain improvement) after a 3-week, open-label titration period.

This study is a randomized, open-label multi-center evaluation of the tolerability of treatment with NGX-4010 in conjunction with pre-patch topical application of one of three 4% lidocaine-based local anesthetic products. Eligible subjects will have moderate to severe neuropathic pain secondary to painful diabetic neuropathy (PDN), postherpetic neuralgia (PHN) or HIV-associated neuropathy (HIV-AN), with average numeric pain rating scale (NPRS) scores during screening of 3 to 8 (inclusive).

The purpose of this study is to evaluate the clinical and laboratory safety of SB-509 when given as a single treatment by an intramuscular injection to subjects with diabetic neuropathy.

To evaluate the safety and efficacy of pregabalin in patients with painful diabetic peripheral neuropathy.

The purpose of this study is to determine if lacosamide (SPM 927) is safe if taken for a longer period of time and whether it continues to work well to treat pain. Subjects will receive lacosamide at a dose that will be individually determined to be the one that provides most pain relief with the least side effects. The maximum dose will be 600mg/day. Subjects may participate in this trial until October 2007. This time may be extended to allow them to participate until lacosamide is commercially available. If a subject meet the requirements for the study at Visit 1 and after a two weeks phase without trial medication, s/he enters a Titration Phase to determine the personal optimal dose of lacosamide. When this dose is reached s/he will enter the Maintenance Phase and will be asked to return for visits every 4 weeks for the first 24 weeks and every 12 weeks thereafter.

This phase 2b trial is being conducted at approximately 60 sites in the US to investigate whether lacosamide (SPM 927) at different doses reduces pain in subjects with diabetic neuropathy. Approximately 360 subjects will be randomized to placebo or one of three doses of lacosamide. To qualify for this trial, subjects with symptoms of painful distal diabetic neuropathy ranging in duration from 6 months to 5 years must have an average pain intensity of ≥4 on an 11-point Likert scale (0-10 scale) during the 7 day period prior to start of treatment. To determine what effect lacosamide has on diabetic neuropathic pain, subjects will use a diary to record their daily pain intensity (morning and evening), pain interference with sleep (morning) and activity (evening). Use of rescue medication (acetaminophen) and subjects' quality of life will be investigated. In addition, safety and tolerability of the different doses of lacosamide will be investigated.

The efficacy of fentanyl TTS for the treatment of neuropathic pain remains to be established, although opioids in general are clearly effective for neuropathic pain and fentanyl TTS has been shown to be effective for treating other types of pain. We propose to measure functional outcomes, pain relief and side effects of fentanyl TTS for the treatment of neuropathic pain. Measures will be made at baseline and after titrating the drug to an effective level.

To evaluate the safety and efficacy of pregabalin in reducing neuropathic pain associated with HIV neuropathy