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https://hdl.handle.net/11055/576
Title: | A Novel Compound Analgesic Cream (Ketamine, Pentoxifylline, Clonidine, DMSO) for Complex Regional Pain Syndrome Patients | Authors: | Russo M Santarelli D Russo, M |
Keywords: | complex regional pain syndrome CRPS clonidine ketamine nitric oxide pentoxifylline dimethyl sulfoxide compound analgesic cream |
Issue Date: | 7-Nov-2015 | Source: | 16(1):E14-E20 | Abstract: | BACKGROUND: Evidence suggests that complex regional pain syndrome (CRPS) is a manifestation of microvascular dysfunction. Topical combinations of α2-adrenergic receptor agonists or nitric oxide donors with phosphodiesterase or phosphatidic acid inhibitors formulated to treat microvascular dysfunction have been shown to reduce allodynia in a rat model of CRPS-I. Driven by these findings, we assessed the outcomes of CRPS patients treated with a compound analgesic cream (CAC) consisting of ketamine 10%, pentoxifylline 6%, clonidine 0.2%, and dimethyl sulfoxide 6% to 10%. METHODS: An audit was conducted on 13 CRPS patients who trialed the CAC. A detailed report was compiled for each patient which comprised baseline characteristics, including CRPS description, previous treatments, and pain scores (numerical pain rating scale; 0 to 10). Recorded outcomes consisted of pain scores, descriptive outcomes, and concurrent medications/treatments, for which basic analysis was performed to determine the effectiveness of the CAC. Case reports are presented for 3 patients with varying outcomes. RESULTS: Nine patients (69%) reported pain/symptom reduction (4.4 ± 2.1 vs. 6.3 ± 1.9) with use of the CAC. Six patients reported sustained benefits after 2 months of CAC use, and 2 patients reported complete resolution of pain/symptoms: one had early CRPS-I and the other received a partial CRPS diagnosis. An otherwise medication refractory and intolerant patient found partial benefit with the CAC. CONCLUSIONS: These results demonstrate promise for this topical combination as a useful treatment in multimodal therapy for patients with CRPS, with the potential to resolve pain/symptoms in early CRPS patients. | URI: | http://hdl.handle.net/11055/576 |
Appears in Collections: | Scholarly and Clinical |
Files in This Item:
File | Description | Size | Format | |
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CAC for CRPS - 2015 - Russo Santarelli (ID 3242) (ID 54788).pdf Restricted Access | 118.32 kB | Adobe PDF | View/Open Request a copy |
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