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- Title
A Randomized Controlled Trial of Local Heat Therapy Versus Intravenous Sodium Stibogluconate for the Treatment of Cutaneous Leishmania major Infection.
- Authors
Aronson, Naomi E.; Wortmann, Glenn W.; Byrne, William R.; Howard, Robin S.; Bernstein, Wendy B.; Marovich, Mary A.; Polhemus, Mark E.; Yoon, In-Kyu; Hummer, Kelly A.; Gasser Jr, Robert A.; Oster, Charles N.; Benson, Paul M.
- Abstract
Background: Cutaneous Leishmania major has affected many travelers including military personnel in Iraq and Afghanistan. Optimal treatment for this localized infection has not been defined, but interestingly the parasite is thermosensitive. Methodology/Principal Findings: Participants with parasitologically confirmed L. major infection were randomized to receive intravenous sodium stibogluconate (SSG) 20mg/kg/day for ten doses or localized ThermoMed (TM) device heat treatment (applied at 50°C for 30 seconds) in one session. Those with facial lesions, infection with other species of Leishmania, or more than 20 lesions were excluded. Primary outcome was complete re-epithelialization or visual healing at two months without relapse over 12 months. Fifty-four/56 enrolled participants received intervention, 27 SSG and 27 TM. In an intent to treat analysis the per subject efficacy at two months with 12 months follow-up was 54% SSG and 48% TM (p = 0.78), and the per lesion efficacy was 59% SSG and 73% TM (p = 0.053). Reversible abdominal pain/pancreatitis, arthralgias, myalgias, headache, fatigue, mild cytopenias, and elevated transaminases were more commonly present in the SSG treated participants, whereas blistering, oozing, and erythema were more common in the TM arm. Conclusions/Significance: Skin lesions due to L. major treated with heat delivered by the ThermoMed device healed at a similar rate and with less associated systemic toxicity than lesions treated with intravenous SSG. Clinical Trial Registration: ClinicalTrials.gov NCT 00884377 Author Summary: Cutaneous leishmaniasis, a parasitic skin infection transmitted by the bite of a sand fly, can result in chronic skin sores and is estimated to affect more than 1.5 million persons worldwide. While the infection generally heals on its own in months to years, treatment can be expensive and difficult. We compared a heat treatment using the ThermoMed device to an (abbreviated) ten day course of intravenous Pentostam (a pentavalent antimony drug) in a population of U.S. soldiers who acquired their infections in Iraq. We found no statistically significant difference between the two treatments in the healing rate at two months. The heat treatment had less associated toxicity. Heat therapy is a ruggedized, battery operated method that could be adapted to humanitarian situations and less developed health care settings, likely with less cost and side effects than local treatment alternatives.
- Subjects
IRAQ; AFGHANISTAN; THERMOTHERAPY; LEISHMANIA major; RANDOMIZED controlled trials; INTRAVENOUS therapy; CUTANEOUS leishmaniasis; JOINT pain
- Publication
PLoS Neglected Tropical Diseases, 2010, Vol 4, Issue 3, p1
- ISSN
1935-2727
- Publication type
Article
- DOI
10.1371/journal.pntd.0000628