ALGRX 4975 in the Treatment of Patients With Morton's Neuroma

Neuroma Clinical Trial

Official title: A Randomized, Double-Blind, Placebo-Controlled Trial of ALGRX 4975 in Subjects With Painful Intermetatarsal Neuroma

Status Completed

Clinical Trial Summary

Subjects will have painful primary or post-operative intermetatarsal neuroma. Study drug or placebo will be injected into the space containing the neuroma. Subjects will complete weekly assessments for severity of foot pain, a brief pain inventory, and the amount of pain medication taken. Subjects will be seen for a screening visit, a treatment visit, and two follow-up visits after treatment. The last scheduled visit is one month after treatment. Some subjects may be followed by monthly telephone interviews to assess their level of pain over the six-month period following treatment.

Clinical Trial Description

Subjects will have painful primary or post-operative intermetatarsal neuroma. Each subject will be randomly allocated to receive either ALGRX 4975 or placebo in a 1:1 ratio. Study drug or placebo will be injected into the intermetatarsal space containing a painful neuroma. Subjects will complete weekly assessments for the Average Foot Pain Severity, the 7 Interference Items of the BPI, and the number of analgesic units taken. Some subjects may be followed by monthly telephone interviews to assess their level of pain over the six-month period following treatment.

Plasma concentrations will be assessed pre-dose and post dose at 5, 10, 15, 20, 30, and 45 min and at 1, 1.5, 2, 2.5, 3 and 4 hours.

Safety will be assessed at baseline and during the study with adverse events (all visits), vital signs (Visit 2 pre and post-injection and Visit 3 or at early termination), and laboratory assessments (hematology, chemistry, urinalysis) and ECG (Screening and Visit 3 or at early termination). The injection site will be examined and assessed by a 6-point scale for erythema, edema, and hemorrhage before the injection and at 1, 2 and 4 hours after the injection. A pain on injection NRS will be assessed immediately post- injection at 15, 30, and 45 minutes and 1, 2, 3, and 4 hours after study drug administration. A sensory examination of the foot will be performed before the injection and 4 hours after the injection and at the completion of the study. If a subject has injection pain, the foot may be wrapped in ice for up to 20 minutes, analgesic medication may be provided. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment

Related Conditions & MeSH terms

• Neuroma

• NCT number: NCT00130962
• Study type: Interventional
• Source: AlgoRx Pharmaceuticals
• Status: Completed
• Phase: Phase 2
• Start date: September 2004
• Completion date: February 2006