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Alotaibi H, Aldossari A, Alnasser S. Impetiginous Cutaneous Leishmaniasis after COVID-19 Infection in a Patient with Poor Cardiac Profile: A Case Report and Literature Review. Trop Med Infect Dis 2023; 8:443. [PMID: 37755904 PMCID: PMC10536164 DOI: 10.3390/tropicalmed8090443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 09/28/2023] Open
Abstract
Cutaneous leishmaniasis incidence has been rising in the past couple of decades. Standard therapy often includes antileishmanial drugs; however, due to their low safety and toxicity threshold, alternative treatments are being investigated. The association between COVID-19 and cutaneous leishmaniasis remains unclear and exploring this connection may offer crucial insights into the pathophysiology of and treatment strategies for infected patients. In this article, we describe a case of a male patient with a history of cardiac and other comorbidities who presented with cutaneous leishmaniasis in the form of impetigo-like skin lesions after being infected with COVID-19. Due to the patient's poor cardiac profile, sodium stibogluconate was not used and an alternative therapeutic approach was employed. The patient was treated with oral terbinafine, cryotherapy on specific lesions, and a course of cephalexin. Following the course of treatment and subsequent follow-up, the patient exhibited complete resolution and healing of the lesions with scarring, and no active lesions or recurrence were observed. This case highlights the potential for alternative treatment strategies for cutaneous leishmaniasis in patients with comorbidities and emphasizes the importance of further research to better understand the link between COVID-19 and cutaneous leishmaniasis.
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Affiliation(s)
- Hend Alotaibi
- Department of Dermatology, College of Medicine, King Saud University, Riyadh 11472, Saudi Arabia;
| | | | - Sultan Alnasser
- College of Medicine, King Saud University, Riyadh 11472, Saudi Arabia;
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López L, Valencia B, Alvarez F, Ramos AP, Llanos-Cuentas A, Echevarria J, Vélez I, Boni M, Rode J, Quintero J, Jiménez A, Tabares Y, Méndez C, Arana B. A phase II multicenter randomized study to evaluate the safety and efficacy of combining thermotherapy and a short course of miltefosine for the treatment of uncomplicated cutaneous leishmaniasis in the New World. PLoS Negl Trop Dis 2022; 16:e0010238. [PMID: 35255096 PMCID: PMC9560618 DOI: 10.1371/journal.pntd.0010238] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/13/2022] [Accepted: 02/07/2022] [Indexed: 11/19/2022] Open
Abstract
Background Systemic pentavalent antimonials, mainly meglumine antimoniate, continue to be the first-choice drugs for treatment of cutaneous leishmaniasis (CL) despite their toxicity, difficulty of administration and high cost. In the search for therapeutic alternatives, combining two treatment interventions has emerged as a potential alternative to either reduce the use of antimonials with the associated toxicities, or to increase efficacy. Here, we report the results of a recently completed trial assessing the efficacy and safety of a combination of thermotherapy (TT) plus a short course of miltefosine (MLT) for the treatment of uncomplicated CL in Colombia and Peru. Methods A multicenter, randomized, evaluator-blinded, phase II, controled clinical trial was conducted. Adult volunteers with a parasitologically confirmed diagnosis of uncomplicated CL were randomly allocated to receive either a single session of TT or a combination of TT plus a short course of MLT (3 weeks). Therapeutic response outcomes and safety were assessed. Results 130 subjects were included in the study, of whom 64 were randomly assigned to the TT arm and 66 to the TT + MLT arm. Cure at 3 months’ follow-up was achieved in 57.8% (n = 37) and 80.3% (n = 53) in the TT and TT + MLT groups, respectively, in the intention to treat analysis. The TT + MLT regimen was better that TT alone (p = 0.0055). The presence of vesicles at the site of heat application was the most common adverse event reported associated with the use of TT; while vomiting (31.8%) and elevation of liver enzymes (28.8%) were the most frequent adverse events reported associated with the use of MLT. Conclusion The combination of TT plus a short course of MLT was shown to be significantly better than TT alone for the treatment of uncomplicated CL in the New World. Trial registration Registered in clinicaltrials.gov NCT02687971. Cutaneous leishmaniasis is a disease caused by Leishmania parasites transmitted by sandflies. It is a complex and neglected disease. Generally, it manifests as ulcers, nodules, or other lesions, mainly on the face and extremities. An estimated 0.7–1 million new cases occur annually in around 88 countries in South and Central America, Africa, Europe, the Middle East, and Asia, with the appearance of new outbreaks in different regions of the world. For more than 70 years, pentavalent antimonials have been the first line treatment, despite their toxicity, varying efficacy and need of administration of painful injections for 20 days or more. There is limited availability of effective and safe treatment alternatives and the strength of scientific evidence on the efficacy and safety of the different schemes is variable, limiting the control of the disease from a therapeutic approach. Hence the need for effective, safe, low-cost treatment alternatives with non-invasive routes of administration. This article reports the results of a clinical trial aiming to evaluate a combined therapy with two therapeutic alternatives (miltefosine and thermotherapy) approved for the treatment of cutaneous leishmaniasis, comparing it with thermotherapy alone. In this study, the combined therapy was significantly better than the monotherapy in managing cutaneous leishmaniasis.
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Affiliation(s)
- Liliana López
- PECET—Programa de Estudio y Control de Enfermedades Tropicales, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
- * E-mail:
| | - Braulio Valencia
- Unidad de Leishmaniasis y Malaria, Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
- Kirby Institute, The University of New South Wales (UNSW Sydney), Sydney, Australia
| | - Fiorela Alvarez
- Unidad de Leishmaniasis y Malaria, Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Ana Pilar Ramos
- Unidad de Leishmaniasis y Malaria, Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Alejandro Llanos-Cuentas
- Unidad de Leishmaniasis y Malaria, Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Juan Echevarria
- Unidad de Leishmaniasis y Malaria, Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Iván Vélez
- PECET—Programa de Estudio y Control de Enfermedades Tropicales, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Marina Boni
- Drugs for Neglected Diseases initiative (DNDi), Rio de Janeiro, Brazil
| | - Joelle Rode
- Drugs for Neglected Diseases initiative (DNDi), Rio de Janeiro, Brazil
| | - Juliana Quintero
- PECET—Programa de Estudio y Control de Enfermedades Tropicales, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Alejandra Jiménez
- PECET—Programa de Estudio y Control de Enfermedades Tropicales, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Yulied Tabares
- PECET—Programa de Estudio y Control de Enfermedades Tropicales, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Claudia Méndez
- Dirección de Sanidad, DISAN, Colombian Army, Bogotá, Colombia
| | - Byron Arana
- Drugs for Neglected Diseases initiative (DNDi), Geneva, Switzerland
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Madusanka RK, Silva H, Karunaweera ND. Treatment of Cutaneous Leishmaniasis and Insights into Species-Specific Responses: A Narrative Review. Infect Dis Ther 2022; 11:695-711. [PMID: 35192172 PMCID: PMC8960542 DOI: 10.1007/s40121-022-00602-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 01/31/2022] [Indexed: 12/16/2022] Open
Abstract
Cutaneous leishmaniasis (CL) is a complex skin infection that has imposed a heavy burden on many developing countries and is caused by more than 20 Leishmania species. This disease is predominantly associated with disfiguring scars and major social stigma upon infection. The severity of the disease seemingly depends on many factors including the species of parasite, the host, region of endemicity, socio-economic status and the accessibility to health facilities. Despite myriad studies that have been performed on current and novel therapies, the treatment outcomes of CL remain contentious, possibly because of the knowledge gaps that still exist. The differential responses to the current CL therapies have become a major drawback in disease control, and the dearth of information on critical analyses of outcomes of such studies is a hindrance to the overall understanding. On the basis of currently available literature on treatment outcomes, we discuss the most effective doses, drug susceptibilities/resistance and treatment failures of the Leishmania genus for both monotherapy and combination therapy. This review focuses on the available treatment modalities for CL caused by different Leishmania species, with insights into their species-specific efficacies, which would inform the selection of appropriate drugs for the treatment and control of leishmaniasis.
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Affiliation(s)
| | - Hermali Silva
- Department of Parasitology, Faculty of Medicine, University of Colombo, No. 25, Kynsey Road, Colombo 8, Sri Lanka
| | - Nadira D Karunaweera
- Department of Parasitology, Faculty of Medicine, University of Colombo, No. 25, Kynsey Road, Colombo 8, Sri Lanka.
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4
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Dinc R. New developments in the treatment of cutaneous leishmaniasis. ASIAN PAC J TROP MED 2022. [DOI: 10.4103/1995-7645.345944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Qurtas DS, Shabila NP. Using Q-methodology to understand the perspectives and practical experiences of dermatologists about treatment difficulties of cutaneous leishmaniasis. BMC Infect Dis 2020; 20:645. [PMID: 32873242 PMCID: PMC7466828 DOI: 10.1186/s12879-020-05365-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 08/19/2020] [Indexed: 12/04/2022] Open
Abstract
Background During the outbreak of cutaneous leishmaniasis in the Kurdistan Region of Iraq that started in 2015, the course of the disease and the treatment were not consistent with the available literature. Physicians, particularly dermatologists, faced challenges with treating the cutaneous leishmaniasis lesions with high rates of treatment failure and resistance to treatment. We used Q-methodology to understand the range and diversities of opinions and the practical experiences of dermatologists about the treatment difficulties of cutaneous leishmaniasis. Methods This Q-methodology study was carried out in Erbil, Kurdistan Region of Iraq, and involved 37 dermatologists. A set of 40 statements related to different aspects of difficulties and uncertainties of treating cutaneous leishmaniasis was prepared. The dermatologists were requested to distribute the 40 statements into a scaled grid of nine piles from least agree to most agree. We applied by-person factor analysis using PQMethod 2.35 for the data analysis. Results The analysis revealed two different viewpoints about the treatment of cutaneous leishmaniasis and a consensus viewpoint. The first viewpoint emphasized the use of sodium stibogluconate-based combination therapy, concerns with treatment failure, and lack of compliance with the treatment. The second viewpoint emphasized the lack of standard treatment and advances in the treatment of cutaneous leishmaniasis. There was a consensus between both groups of respondents about many aspects of the treatment of cutaneous leishmaniasis, including considering sodium stibogluconate the first drug of choice for cutaneous leishmaniasis treatment. Conclusions This study revealed a diversity of viewpoints and uncertainties about the effectiveness of the available treatment modalities and treatment difficulties and failure. Interrupted supply and poor quality of the available drugs and lack of a standard and advanced treatment are the main problems facing the treatment of cutaneous leishmaniasis. More research is required to determine the best treatment modalities for the different types of cutaneous leishmaniasis. There is a need for the development of treatment guidelines specific to the Iraqi context with a particular focus on the treatment of the resistant and atypical cases of cutaneous leishmaniasis.
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Affiliation(s)
- Dindar S Qurtas
- Department of Internal Medicine, College of Medicine, Hawler Medical University, Erbil, Kurdistan, Iraq.
| | - Nazar Pauls Shabila
- College of Health Sciences, Hawler Medical University, Erbil, Kurdistan, Iraq
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6
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Husein‐ElAhmed H, Gieler U, Steinhoff M. Evidence supporting the enhanced efficacy of pentavalent antimonials with adjuvant therapy for cutaneous leishmaniasis: a systematic review and meta‐analysis. J Eur Acad Dermatol Venereol 2020; 34:2216-2228. [DOI: 10.1111/jdv.16333] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 02/10/2020] [Indexed: 11/29/2022]
Affiliation(s)
- H. Husein‐ElAhmed
- Department of Dermatology and Venereology Hospital de Baza Granada Spain
- Translational Research Institute Academic Health System Medical School Hamad Medical Corporation Doha Qatar
| | - U. Gieler
- Translational Research Institute Academic Health System Medical School Hamad Medical Corporation Doha Qatar
- Department of Dermatology and Venereology Hamad Medical Corporation Doha Qatar
| | - M. Steinhoff
- Translational Research Institute Academic Health System Medical School Hamad Medical Corporation Doha Qatar
- Department of Dermatology and Venereology Hamad Medical Corporation Doha Qatar
- College of Medicine Weill Cornell Medicine‐Qatar Doha Qatar
- Medical School Qatar University Doha Qatar
- College of Medicine Weill Cornell University New York NY USA
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7
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Siadat AH, Zolfaghari A, Shahmoradi Z, Shariat S, Sohrabi K. Application of laser for treatment of cutaneous leishmaniasis: a review of literature. Lasers Med Sci 2020; 35:1451-1457. [PMID: 32333334 DOI: 10.1007/s10103-020-03006-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 03/25/2020] [Indexed: 12/28/2022]
Abstract
Cutaneous leishmaniasis (CL) is a major health problem in developing countries with high economic and health impact. Despite suggested treatment for CL, there is still no definite therapy for this infection, and many of these treatments are associated with serious local and systemic side effects. In the current paper, use of different laser types including continuous and fractional CO2, argon, PDL, erbium glass, and Nd:YAG have been reviewed. Based on our review, given the high reported efficacy and low side-effect profile, use of laser can be considered as a good alternative to standard treatment of cutaneous leishmaniasis (CL). Performing more studies using different types of lasers is recommended to evaluate the efficacy of this method for treatment of CL.
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Affiliation(s)
- Amir Hossein Siadat
- Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Azadeh Zolfaghari
- Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Zabiholah Shahmoradi
- Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sheila Shariat
- Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Karim Sohrabi
- Isfahan University of Medical Sciences, Isfahan, Iran
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Abstract
Cutaneous leishmaniasis (CL) is a diverse human disease caused by more than 20 Leishmania species transmitted by the bite of an infected sand fly. Diagnostic testing is recommended to confirm infection and determine the infecting species. Treatment decisions are complex and providers should consider infecting species, patient comorbidities, extent and location of lesions, and previous treatments. There is no single universal treatment for CL and some treatment can have toxicity. Treatment should be individualized and factors, such as self-healing nature of this infection, risk of metastatic complications (ie, mucosal leishmaniasis), and patient wishes, need to be included in individual risk-benefit treatment decisions.
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Affiliation(s)
- Naomi E Aronson
- Infectious Diseases Division, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814, USA.
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Affiliation(s)
- Jaya Chakravarty
- Department of Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Shyam Sundar
- Department of Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
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10
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Berbert TRN, de Mello TFP, Wolf Nassif P, Mota CA, Silveira AV, Duarte GC, Demarchi IG, Aristides SMA, Lonardoni MVC, Vieira Teixeira JJ, Silveira TGV. Pentavalent Antimonials Combined with Other Therapeutic Alternatives for the Treatment of Cutaneous and Mucocutaneous Leishmaniasis: A Systematic Review. Dermatol Res Pract 2018; 2018:9014726. [PMID: 30675152 DOI: 10.1155/2018/9014726] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 11/19/2018] [Accepted: 12/05/2018] [Indexed: 11/18/2022] Open
Abstract
The first choice drugs for the treatment of cutaneous and mucocutaneous leishmaniasis are pentavalent antimonials, sodium stibogluconate, or meglumine antimoniate. However, the treatment with these drugs is expensive, can cause serious adverse effects, and is not always effective. The combination of two drugs by different routes or the combination of an alternative therapy with systemic therapy can increase the efficacy and decrease the collateral effects caused by the reference drugs. In this systematic review we investigated publications that described a combination of nonconventional treatment for cutaneous and mucocutaneous with pentavalent antimonials. A literature review was performed in the databases Web of Knowledge and PubMed in the period from 01st of December 2004 to 01st of June 2017, according to Prisma statement. Only clinical trials involving the treatment for cutaneous or mucocutaneous leishmaniasis, in English, and with available abstract were added. Other types of publications, such as reviews, case reports, comments to the editor, letters, interviews, guidelines, and errata, were excluded. Sixteen articles were selected and the pentavalent antimonials were administered in combination with pentoxifylline, granulocyte macrophage colony-stimulating factor, imiquimod, intralesional sodium stibogluconate, ketoconazole, silver-containing polyester dressing, lyophilized LEISH-F1 protein, cryotherapy, topical honey, and omeprazole. In general, the combined therapy resulted in high rates of clinical cure and when relapse or recurrence was reported, it was higher in the groups treated with pentavalent antimonials alone. The majority of the articles included in this review showed that cure rate ranged from 70 to 100% in patients treated with the combinations. Serious adverse effects were not observed in patients treated with drugs combination. The combination of other drugs or treatment modalities with pentavalent antimonials has proved to be effective for cutaneous and mucocutaneous leishmaniasis and for most seemed to be safe. However, new randomized, controlled, and multicentric clinical trials with more robust samples should be performed, especially the combination with immunomodulators.
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Uzun S, Gürel MS, Durdu M, Akyol M, Fettahlıoğlu Karaman B, Aksoy M, Aytekin S, Borlu M, İnan Doğan E, Doğramacı ÇA, Kapıcıoğlu Y, Akman-Karakaş A, Kaya Tİ, Mülayim MK, Özbel Y, Özensoy Töz S, Özgöztaşı O, Yeşilova Y, Harman M. Clinical practice guidelines for the diagnosis and treatment of cutaneous leishmaniasis in Turkey. Int J Dermatol 2018; 57:973-982. [DOI: 10.1111/ijd.14002] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Revised: 02/07/2018] [Accepted: 03/18/2018] [Indexed: 11/26/2022]
Affiliation(s)
- Soner Uzun
- Department of Dermatology; Faculty of Medicine; Akdeniz University; Antalya Turkey
| | - Mehmet S. Gürel
- Department of Dermatology; Faculty of Medicine; Medeniyet University; Istanbul Turkey
| | - Murat Durdu
- Department of Dermatology; Faculty of Medicine; Başkent University; Adana Turkey
| | - Melih Akyol
- Department of Dermatology; Faculty of Medicine; Cumhuriyet University; Sivas Turkey
| | | | - Mustafa Aksoy
- Department of Dermatology; Faculty of Medicine; Harran University; Şanlıurfa Turkey
| | - Sema Aytekin
- Department of Dermatology; Haydarpaşa Numune Training and Research Hospital; İstanbul Turkey
| | - Murat Borlu
- Department of Dermatology; Faculty of Medicine; Erciyes University; Kayseri Turkey
| | - Esra İnan Doğan
- Department of Dermatology; Faculty of Medicine; Adıyaman University; Adıyaman Turkey
| | | | - Yelda Kapıcıoğlu
- Department of Dermatology; Faculty of Medicine; İnönü University; Malatya Turkey
| | - Ayşe Akman-Karakaş
- Department of Dermatology; Faculty of Medicine; Akdeniz University; Antalya Turkey
| | - Tamer İ. Kaya
- Department of Dermatology; Faculty of Medicine; Mersin University; Mersin Turkey
| | - Mehmet K. Mülayim
- Department of Dermatology; Faculty of Medicine; Sütçü İmam University; KahramanmaraŞ Turkey
| | - Yusuf Özbel
- Department of Parasitology; Faculty of Medicine; Ege University; İzmir Turkey
| | - Seray Özensoy Töz
- Department of Parasitology; Faculty of Medicine; Ege University; İzmir Turkey
| | - Orhan Özgöztaşı
- Department of Dermatology; Faculty of Medicine; Gaziantep University; Gaziantep Turkey
| | - Yavuz Yeşilova
- Department of Dermatology; Lokman Hekim Hospital; Van Turkey
| | - Mehmet Harman
- Department of Dermatology; Faculty of Medicine; Dicle University; Diyarbakır Turkey
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Abstract
Background The mainstays of cutaneous leishmaniasis (CL) treatment, in several world regions, are pentavalent antimony (Sbv) compounds administered parenterally, despite their recognized toxicity, which requires frequent laboratory monitoring and complicates their use in areas with scarce infrastructure. As result of these drawbacks, the WHO Expert Committee on leishmaniasis has expanded the recommendations for the use of local therapies, including Sbv intralesional infiltration (IL-Sbv), as CL therapy alternatives even in the New World. However, the efficacy of these approaches has never been compiled. The aim of this study was to critically and systematically assess the efficacy of IL-Sbv for CL treatment. Methodology The PRISMA guidelines for systematic reviews and the Cochrane manual were followed. The sources used were the MEDLINE and LILACS databases and the International Clinical Trials Registry Platform of the World Health Organization. The outcome of interest was a clinical cure, defined as complete re-epithelialization of all lesions. The IL-Sbv pooled cure rate was estimated for several subgroups and direct comparisons were performed when possible. Results Thirty nine articles (40 studies) involving 5679 patients treated with IL-Sbv infiltration were included. In direct comparison, only three studies involving 229 patients compared IL-Sbv infiltration versus placebo and no difference was observed (OR: 1,9; 95%IC 0,93 to 3,82) based on cure rate 69.6% (95%CI 17.6–96.1%) and 83,2% (95%CI 66–92.7%) for placebo and IL-Sbv, respectively. In an alternative and non-comparative analysis, gathering all study arms using the intervention, the pooled IL-Sbv efficacy rate was 75% (95%CI 68–81%). In the Old World, the observed overall IL-Sbv efficacy rate was 75% (95%CI 66–82%), and the cure rates were significantly higher with sodium stibogluconate (SSG) than with meglumine antimoniate (MA): 83% (95%CI 75–90%) versus 68% (95%CI 54–79%), p = 0.03. Studies directly comparing IL-Sbv with topical 15% paromomycin ointment, IL hypertonic saline, radiofrequency-induced heat therapy, topical trichloroacetic acid and cryotherapy showed no significant difference in efficacy between the interventions. The analyses suggested a higher efficacy of IL-Sbv combined with cryotherapy (81.8%, 95%IC 62.4–92.4%) when compared with IL-Sbv alone (53.3%, 95%IC 46.1–66%), OR: 3.14 (95%CI 1.1–8.9), p = 0.03. In the New World, the global IL-Sbv efficacy was 77%(95%CI 66–85%). In contrast with the Old World, a significant difference favoring MA in relation to SSG was observed: 61% (95%CI 49–73%) versus 82% (95%CI 70–89%).By comparing IL infiltration schedules, it was determined that patients submitted to IL-Sbv treatments longer than 14 days had higher cure rates. Conclusions Despite the high heterogeneity and low methodological quality of studies, an indirect comparison shows that the antimony infiltration efficacy rate is similar to that reported for antimony systemic use. The evidence gathered thus far is insufficient to identify the ideal IL therapeutic regime or estimate the rates of adverse events and mucosal late complications.
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Affiliation(s)
- Nayara Castelano Brito
- Pesquisas Clínicas e Políticas Públicas em Doenças Infecto-Parasitárias–Centro de Pesquisas René Rachou—Fundação Oswaldo Cruz, Fiocruz, Belo Horizonte, Minas Gerais, Brazil
| | - Ana Rabello
- Pesquisas Clínicas e Políticas Públicas em Doenças Infecto-Parasitárias–Centro de Pesquisas René Rachou—Fundação Oswaldo Cruz, Fiocruz, Belo Horizonte, Minas Gerais, Brazil
| | - Gláucia Fernandes Cota
- Pesquisas Clínicas e Políticas Públicas em Doenças Infecto-Parasitárias–Centro de Pesquisas René Rachou—Fundação Oswaldo Cruz, Fiocruz, Belo Horizonte, Minas Gerais, Brazil
- * E-mail:
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Handjani F, Yousef SR, Saki N, Hamidizadeh N. Interleukin-10 and Interferon-γ Levels in Patients with Cutaneous Leishmaniasis Treated with Cryotherapy. Iran J Med Sci 2017; 42:488-492. [PMID: 29234182 PMCID: PMC5722967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Pentavalent antimonials, as the 1st choice for the treatment of cutaneous leishmaniasis (CL), have various side effects. Also, there are some reports of drug resistance. Due to its safety, cryotherapy can be a good alternative or complementary treatment in CL. The aim of this study was to explore the possible systemic immunological mechanisms of cryotherapy besides its local effects in the treatment of CL. Twenty patients with CL were selected. The disease was confirmed via a direct smear. A venous blood sample was collected to determine IL-10 and IFN-γ levels before starting cryotherapy. Then, 1 week after 8 sessions of cryotherapy were completed (i.e., 63 d), a 2nd venous sample was taken in order to compare the results with the pretreatment levels of these cytokines using the ELISA method. Cryotherapy resulted in no change in the levels of IL-10 and significantly increased the IFN-γ levels in our patients with CL. Given these inconclusive or even mixed results, a larger sample size is needed in order to better assess the systemic immunological effects of cryotherapy.
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Affiliation(s)
- Farhad Handjani
- Molecular Dermatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran,Department of Dermatology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Saeed Reza Yousef
- Molecular Dermatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran,Department of Dermatology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Nasrin Saki
- Molecular Dermatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran,Department of Dermatology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Nasrin Hamidizadeh
- Molecular Dermatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran,Correspondence: Nasrin Hamidizadeh, PhD; Molecular Dermatology Research Center, Shiraz University of Medical Sciences, P.O. Box: 71348-44119, Shiraz, Iran Tel: +98 71 32125592 Fax: +98 71 32319049
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Paniz-Mondolfi AE, Talhari C, García Bustos MF, Rosales T, Villamil-Gomez WE, Marquez M, Pérez Alvarez AM, Tálamo Sánchez AI, Rodriguez-Morales AJ. American cutaneous leishmaniasis in infancy and childhood. Int J Dermatol 2017; 56:1328-1341. [PMID: 28741648 DOI: 10.1111/ijd.13664] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 03/12/2017] [Accepted: 04/25/2017] [Indexed: 12/26/2022]
Abstract
Infant and young child skin diseases are among the most common features of morbidity throughout the tropics. Because the skin is directly exposed to the environment, it is considerably affected by climatic and local conditions such as vectors and microorganisms, as in the case of leishmaniasis. In America the observed magnitude of cutaneous leishmaniasis in children has led to the study of increased risk of exposure of this group due to the possibility of peri- and intradomiciliary transmission. The present review pretends to make a concrete approach all through the broad and main figures of this parasitic disease, including the clinical, physiopathological, epidemiological, diagnostic, and therapeutic aspects, in order to be used as a practical source of reference for pediatricians leading with tropical cutaneous pathology in the region.
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Affiliation(s)
- Alberto E Paniz-Mondolfi
- Department of Infectious Diseases and Tropical Medicine/Infectious Diseases Pathology Laboratory, Hospital Internacional, Barquisimeto, Venezuela.,Laboratory of Biochemistry, Instituto de Biomedicina/IVSS, Caracas, Venezuela
| | - Carolina Talhari
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Universidade Nilton Lins, Manaus, Amazonas, Brasil
| | - María F García Bustos
- Instituto de Patología Experimental, Facultad de Ciencias de la Salud, Universidad Nacional de Salta, Salta, Argentina
| | | | - Wilmer E Villamil-Gomez
- Infectious Diseases and Infection Control Reserch Group, Hospital Universitario de Sincelejo, Sincelejo, Sucre, Colombia
| | - Marilianna Marquez
- Department of Infectious Diseases and Tropical Medicine/Infectious Diseases Pathology Laboratory, Hospital Internacional, Barquisimeto, Venezuela.,Universidad Centroccidental Lisandro Alvarado (UCLA), Barquisimeto, Venezuela
| | - Alexandra M Pérez Alvarez
- Department of Infectious Diseases and Tropical Medicine/Infectious Diseases Pathology Laboratory, Hospital Internacional, Barquisimeto, Venezuela
| | - Alejandra I Tálamo Sánchez
- Department of Infectious Diseases and Tropical Medicine/Infectious Diseases Pathology Laboratory, Hospital Internacional, Barquisimeto, Venezuela.,Universidad Centroccidental Lisandro Alvarado (UCLA), Barquisimeto, Venezuela
| | - Alfonso J Rodriguez-Morales
- Public Health and Infection Research Group, Faculty of Health Sciences, Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia
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Herrera Acevedo C, Scotti L, Feitosa Alves M, Formiga Melo Diniz MDF, Scotti MT. Computer-Aided Drug Design Using Sesquiterpene Lactones as Sources of New Structures with Potential Activity against Infectious Neglected Diseases. Molecules 2017; 22:molecules22010079. [PMID: 28054952 PMCID: PMC6155652 DOI: 10.3390/molecules22010079] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2016] [Revised: 12/29/2016] [Accepted: 12/30/2016] [Indexed: 11/30/2022] Open
Abstract
This review presents an survey to the biological importance of sesquiterpene lactones (SLs) in the fight against four infectious neglected tropical diseases (NTDs)—leishmaniasis, schistosomiasis, Chagas disease, and sleeping sickness—as alternatives to the current chemotherapies that display several problems such as low effectiveness, resistance, and high toxicity. Several studies have demonstrated the great potential of some SLs as therapeutic agents for these NTDs and the relationship between the protozoal activities with their chemical structure. Recently, Computer-Aided Drug Design (CADD) studies have helped increase the knowledge of SLs regarding their mechanisms, the discovery of new lead molecules, the identification of pharmacophore groups and increase the biological activity by employing in silico tools such as molecular docking, virtual screening and Quantitative-Structure Activity Relationship (QSAR) studies.
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Affiliation(s)
- Chonny Herrera Acevedo
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, 58051-900 João Pessoa, PB, Brazil.
| | - Luciana Scotti
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, 58051-900 João Pessoa, PB, Brazil.
| | - Mateus Feitosa Alves
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, 58051-900 João Pessoa, PB, Brazil.
| | | | - Marcus Tullius Scotti
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, 58051-900 João Pessoa, PB, Brazil.
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McGwire BS, Satoskar AR. Treatment Options for Leishmaniasis. Curr Clin Micro Rpt 2016. [DOI: 10.1007/s40588-016-0048-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Soto J, Paz D, Rivero D, Soto P, Quispe J, Toledo J, Berman J. Intralesional Pentamidine: A Novel Therapy for Single Lesions of Bolivian Cutaneous Leishmaniasis. Am J Trop Med Hyg 2016; 94:852-6. [PMID: 26903605 DOI: 10.4269/ajtmh.15-0640] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 12/21/2015] [Indexed: 11/07/2022] Open
Abstract
A novel therapy, intralesional (IL) pentamidine, was compared to intralesional therapy with antimony (ILSb), a World Health Organization-recommended therapy, for single Bolivian Leishmania braziliensis lesions. In Study 1, 90 patients were randomized equally between three injections of ILSb over 5 days, five injections of ILSb over 11 days, and three injections of IL pentamidine (120 μg/mm(2)lesion area [ILPenta-120-3]) over 5 days. Cure rates at 6 months were 57% for ILSb-3 injections, 73% for ILSb-5 injections, and 72% for ILPenta-120-3 injections. Adverse effects were local irritation and injection-site pain-ILSb (60 patients): mild (25), moderate (4); IL pentamidine (30 patients): mild (4), moderate (3). In Study 2, 60 patients were randomized equally between five injections of ILSb and three injections of a double dose of IL pentamidine (240 μg/mm(2)[ILPenta-240-3]). In Study 2, cure rates were 67% for ILSb-5 injections and 73% for ILPenta-240-3. For three IL injections of pentamidine, efficacy was optimized at a dose of 120 μg/mm(2)lesion area. The cure rate of that regimen was similar to that for ILSb-5 injections and nonstatistically larger than that of ILSb-3 injections. IL pentamidine is an attractive alternative to ILSb on the basis of efficacy for Bolivian L. braziliensis, the threat of Sb-resistant parasites, tolerance, and patient convenience of three visits over 5 days.
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Affiliation(s)
- Jaime Soto
- Fundación Nacional de Dermatología (FUNDERMA), Santa Cruz, Bolivia; Hospital Dermatológico de Jorochito, Santa Cruz, Bolivia; Hospital Local, Palos Blancos, Bolivia; Centro de Investigaciones Bioclínicas de la Fundación Fader (FADER-CIBIC), Bogota, Colombia; AB Foundation, North Bethesda, Maryland
| | - David Paz
- Fundación Nacional de Dermatología (FUNDERMA), Santa Cruz, Bolivia; Hospital Dermatológico de Jorochito, Santa Cruz, Bolivia; Hospital Local, Palos Blancos, Bolivia; Centro de Investigaciones Bioclínicas de la Fundación Fader (FADER-CIBIC), Bogota, Colombia; AB Foundation, North Bethesda, Maryland
| | - Daniela Rivero
- Fundación Nacional de Dermatología (FUNDERMA), Santa Cruz, Bolivia; Hospital Dermatológico de Jorochito, Santa Cruz, Bolivia; Hospital Local, Palos Blancos, Bolivia; Centro de Investigaciones Bioclínicas de la Fundación Fader (FADER-CIBIC), Bogota, Colombia; AB Foundation, North Bethesda, Maryland
| | - Paula Soto
- Fundación Nacional de Dermatología (FUNDERMA), Santa Cruz, Bolivia; Hospital Dermatológico de Jorochito, Santa Cruz, Bolivia; Hospital Local, Palos Blancos, Bolivia; Centro de Investigaciones Bioclínicas de la Fundación Fader (FADER-CIBIC), Bogota, Colombia; AB Foundation, North Bethesda, Maryland
| | - Jorge Quispe
- Fundación Nacional de Dermatología (FUNDERMA), Santa Cruz, Bolivia; Hospital Dermatológico de Jorochito, Santa Cruz, Bolivia; Hospital Local, Palos Blancos, Bolivia; Centro de Investigaciones Bioclínicas de la Fundación Fader (FADER-CIBIC), Bogota, Colombia; AB Foundation, North Bethesda, Maryland
| | - Julia Toledo
- Fundación Nacional de Dermatología (FUNDERMA), Santa Cruz, Bolivia; Hospital Dermatológico de Jorochito, Santa Cruz, Bolivia; Hospital Local, Palos Blancos, Bolivia; Centro de Investigaciones Bioclínicas de la Fundación Fader (FADER-CIBIC), Bogota, Colombia; AB Foundation, North Bethesda, Maryland
| | - Jonathan Berman
- Fundación Nacional de Dermatología (FUNDERMA), Santa Cruz, Bolivia; Hospital Dermatológico de Jorochito, Santa Cruz, Bolivia; Hospital Local, Palos Blancos, Bolivia; Centro de Investigaciones Bioclínicas de la Fundación Fader (FADER-CIBIC), Bogota, Colombia; AB Foundation, North Bethesda, Maryland
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Yesilova Y, Surucu HA, Ardic N, Aksoy M, Yesilova A, Oghumu S, Satoskar AR. Meglumine antimoniate is more effective than sodium stibogluconate in the treatment of cutaneous leishmaniasis. J DERMATOL TREAT 2015; 27:83-7. [PMID: 26105204 DOI: 10.3109/09546634.2015.1054778] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Sodium stibogluconate (SSG, Pentostam) and meglumine antimoniate (MA, Glucantime) are two antimonials that are widely used to treat cutaneous leishmaniasis (CL), but the relative efficacies of these treatments are not clear. The aim of this study is to compare the efficacy of intralesional SSG with intralesional MA therapy in the treatment of CL. One month after completion of the therapy, 1431 of 1728 patients (82%) who received intralesional MA showed complete clinical cure compared to 1157 of 1728 patients (67%) in the SSG group. Patients who did not respond to the first round of therapy were re-administered the same treatment but with twice weekly injections. Following completion of the second course of therapy, 237 of 297 patients (80%) in the MA group and 407 of 561 patients (72%) in the SSG group healed their lesions by 1-month post-treatment. At both times, the differences in cure rates between MA and SSG groups were statistically significant (p < 0.05). Cure rates in the MA group were always significantly higher than SSG groups irrespective of other parameters including age, gender, lesion site and type of lesion. Intralesional MA is more effective than intralesional SSG in the treatment of CL.
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Affiliation(s)
- Yavuz Yesilova
- a Dermatology Clinic, Special Lokman Physician Van Hospital , Van , Turkey
| | - Hacer Altın Surucu
- b Department of Dermatology , Harran University School of Medicine , Şanlıurfa , Turkey
| | - Nurittin Ardic
- c Division of Basic Immunology, Department of Medical Microbiology , Gulhane Military Medical Academy , Ankara , Turkey
| | - Mustafa Aksoy
- b Department of Dermatology , Harran University School of Medicine , Şanlıurfa , Turkey
| | - Abdullah Yesilova
- d Department of Biostatistics , School of Medicine, YuzuncuYıl University , Van , Turkey , and
| | - Steve Oghumu
- e Department of Microbiology , The Ohio State University Medical Center , Columbus , OH , USA
| | - Abhay R Satoskar
- e Department of Microbiology , The Ohio State University Medical Center , Columbus , OH , USA
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Ayubi E, Ashrafi-Asgarabad A, Safiri S, Kousha A, Baniasadi M, Augner C. Post-treatment Clinical Outcomes of Cutaneous Leishmaniosis in the Bam Area, South Eastern Iran: Analysis of over 9,000 Cases. Int J Infect Dis 2015; 34:61-5. [DOI: 10.1016/j.ijid.2015.03.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Revised: 03/01/2015] [Accepted: 03/02/2015] [Indexed: 10/23/2022] Open
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Stahl HC, Ahmadi F, Schleicher U, Sauerborn R, Bermejo JL, Amirih ML, Sakhayee I, Bogdan C, Stahl KW. A randomized controlled phase IIb wound healing trial of cutaneous leishmaniasis ulcers with 0.045% pharmaceutical chlorite (DAC N-055) with and without bipolar high frequency electro-cauterization versus intralesional antimony in Afghanistan. BMC Infect Dis 2014; 14:619. [PMID: 25420793 PMCID: PMC4258014 DOI: 10.1186/s12879-014-0619-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Accepted: 11/07/2014] [Indexed: 11/21/2022] Open
Abstract
Background A previously published proof of principle phase IIa trial with 113 patients from Kabul showed that bipolar high-frequency (HF) electro-cauterization (EC) of cutaneous leishmaniasis (CL) ulcers and subsequent moist wound treatment (MWT) closed 85% of all Leishmania (L.) tropica lesions within 60 days. Methods A three-armed phase IIb, randomized and controlled clinical trial was performed in Mazar-e-Sharif. L. tropica- or L. major-infected CL patients received intradermal sodium stibogluconate (SSG) (Group I); HF-EC followed by MWT with 0.045% DAC N-055 (Group II); or MWT with 0.045% DAC N-055 in basic crème alone (Group III). The primary outcome was complete epithelialisation before day 75 after treatment start. Results 87 patients enrolled in the trial were randomized into group I (n = 24), II (n = 32) and III (n = 31). The per-protocol analysis of 69 (79%) patients revealed complete epithelialisation before day 75 in 15 (of 23; 65%) patients of Group I, in 23 (of 23; 100%) patients of Group II, and in 20 (of 23; 87%) patients of Group III (p = 0.004, Fisher’s Exact Test). In the per-protocol analysis, wound closure times were significantly different between all regimens in a pair-wise comparison (p = 0.000039, Log-Rank (Mantel-Cox) test). In the intention-to-treat analysis wound survival times in Group II were significantly different from those in Group I (p = 0.000040, Log-Rank (Mantel-Cox) test). Re-ulcerations occurred in four (17%), three (13%) and seven (30%) patients of Group I, II or III, respectively (p = 0.312, Pearson Chi-Square Test). Conclusions Treatment of CL ulcers with bipolar HF-EC followed by MWT with 0.045% DAC N-055 or with DAC N-055 alone showed shorter wound closure times than with the standard SSG therapy. The results merit further exploration in larger trials in the light of our current knowledge of in vitro and in vivo activities of chlorite. Clinicaltrials.gov ID: NCT00996463. Registered: 15th October 2009. Electronic supplementary material The online version of this article (doi:10.1186/s12879-014-0619-8) contains supplementary material, which is available to authorized users.
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Abstract
INTRODUCTION Leishmaniasis broadly manifests as visceral leishmaniasis (VL), cutaneous leishmaniasis (CL) and mucocutaneous leishmaniasis. The treatment of leishmaniasis is challenging and the armamentarium of drugs is small, duration of treatment is long, and most drugs are toxic. AREAS COVERED A literature search on treatment of leishmaniasis was done on PubMed. Single dose of liposomal amphotericin B (L-AmB) and multidrug therapy (L-AmB + miltefosine, L-AmB + paromomycin (PM), or miltefosine + PM) are the treatment of choice for VL in the Indian subcontinent. A 17-day combination therapy of pentavalent antimonials (Sb(v)) and PM remains the treatment of choice for East African VL. L-AmB at a total dose of 18 - 21 mg/kg is the recommended regimen for VL in the Mediterranean region and South America. Treatment of CL should be decided by the severity of clinical lesions, etiological species and its potential to develop into mucosal leishmaniasis. EXPERT OPINION There is an urgent need to implement a single-dose L-AmB or combination therapy in the Indian subcontinent. Shorter and more acceptable regimens are needed for the treatment of post - kala-azar dermal leishmaniasis. Combination therapy with newer drugs needs to be tested in Africa. Due to the toxicity of systemic therapy, a trend toward local treatment for New World CL is preferred in patients without risk of mucosal disease.
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Affiliation(s)
- Shyam Sundar
- Banaras Hindu University, Institute of Medical Sciences, Department of Medicine , Varanasi , India +91 542 2369632 ;
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Monge-Maillo B, López-Vélez R. Therapeutic options for old world cutaneous leishmaniasis and new world cutaneous and mucocutaneous leishmaniasis. Drugs 2014; 73:1889-920. [PMID: 24170665 DOI: 10.1007/s40265-013-0132-1] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Estimated worldwide incidence of tegumentary leishmaniasis (cutaneous leishmaniasis [CL] and mucocutaneous leishmaniasis [MCL]) is over 1.5 million cases per year in 82 countries, with 90 % of cases occurring in Afghanistan, Brazil, Iran, Peru, Saudi Arabia and Syria. Current treatments of CL are poorly justified and have sub-optimal effectiveness. Treatment can be based on topical or systemic regimens. These different options must be based on Leishmania species, geographic regions, and clinical presentations. In certain cases of Old World CL (OWCL), lesions can spontaneously heal without any need for therapeutic intervention. Local therapies (thermotherapy, cryotherapy, paromomycin ointment, local infiltration with antimonials) are good options with less systemic toxicity, reserving systemic treatments (azole drugs, miltefosine, antimonials, amphotericin B formulations) mainly for complex cases. The majority of New World CL (NWCL) types require systemic treatment (mainly with pentavalent antimonials), either to speed the healing or to prevent dissemination to oral-nasal mucosa as MCL (NWMCL). These types of lesions are potentially serious and always require systemic-based regimens, mainly antimonials and pentamidine; however, the associated immunotherapy is promising. This paper is an exhaustive review of the published literature on the treatment of OWCL, NWCL and NWMCL, and provides treatment recommendations stratified according to their level of evidence regarding the species of Leishmania implicated and the geographical location of the infection.
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Affiliation(s)
- Begoña Monge-Maillo
- Tropical Medicine and Clinical Parasitology, Infectious Diseases Department, Ramón y Cajal Hospital, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Carretera de Colmenar Km 9,1, 28034, Madrid, Spain
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Hodiamont CJ, Kager PA, Bart A, de Vries HJ, van Thiel PP, Leenstra T, de Vries PJ, van Vugt M, Grobusch MP, van Gool T. Species-directed therapy for leishmaniasis in returning travellers: a comprehensive guide. PLoS Negl Trop Dis. 2014;8:e2832. [PMID: 24787001 PMCID: PMC4006727 DOI: 10.1371/journal.pntd.0002832] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Accepted: 03/14/2014] [Indexed: 02/06/2023] Open
Abstract
Background Leishmaniasis is increasingly reported among travellers. Leishmania species vary in sensitivity to available therapies. Fast and reliable molecular techniques have made species-directed treatment feasible. Many treatment trials have been designed poorly, thus developing evidence-based guidelines for species-directed treatment is difficult. Published guidelines on leishmaniasis in travellers do not aim to be comprehensive or do not quantify overall treatment success for available therapies. We aimed at providing comprehensive species-directed treatment guidelines. Methodology/Principal Findings English literature was searched using PubMed. Trials and observational studies were included if all cases were parasitologically confirmed, the Leishmania species was known, clear clinical end-points and time points for evaluation of treatment success were defined, duration of follow-up was adequate and loss to follow-up was acceptable. The proportion of successful treatment responses was pooled using mixed effects methods to estimate the efficacy of specific therapies. Final ranking of treatment options was done by an expert panel based on pooled efficacy estimates and practical considerations. 168 studies were included, with 287 treatment arms. Based on Leishmania species, symptoms and geography, 25 clinical categories were defined and therapy options ranked. In 12/25 categories, proposed treatment agreed with highest efficacy data from literature. For 5/25 categories no literature was found, and in 8/25 categories treatment advise differed from literature evidence. For uncomplicated cutaneous leishmaniasis, combination of intralesional antimony with cryotherapy is advised, except for L. guyanensis and L. braziliensis infections, for which systemic treatment is preferred. Treatment of complicated (muco)cutaneous leishmaniasis differs per species. For visceral leishmaniasis, liposomal amphotericin B is treatment of choice. Conclusions/Significance Our study highlights current knowledge about species-directed therapy of leishmaniasis in returning travellers and also demonstrates lack of evidence for treatment of several clinical categories. New data can easily be incorporated in the presented overview. Updates will be of use for clinical decision making and for defining further research. Human leishmaniasis is caused by unicellular parasites that are injected into the skin by sand-flies, small, flying insects. Many different Leishmania species cause various manifestations of disease, both of the skin and internal organs. Leishmaniasis is a curable disease but clear guidelines on the best available treatment are lacking. Leishmania species differ in sensitivity to available drugs. Until recently, identification of the infecting Leishmania parasite was laborious, thus therapy could not precisely be targeted to the infecting species, in contrast to many other infectious diseases. Nowadays, Leishmania parasites can be identified relatively easily with new DNA techniques. We studied efficacy of therapies for diseases due to different Leishmania species, limited to the English literature. Efficacy was summarized and presented in an easy to read format. Because of difficulties with identification of parasite species in earlier studies, quality of evidence was often limited. Our findings are a major help for clinicians to easily find optimal treatment for specific patients. Moreover, our results demonstrate where additional research is needed to further improve treatment of leishmaniasis.
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Abstract
Leishmaniasis is a global term for cutaneous and visceral anthroponotic and zoonotic diseases caused by the vector-borne parasites of the genus Leishmania. These diseases afflict at least 2 million people each year with more than 350 million at risk in 98 countries worldwide. These are diseases mostly of the impoverished making prevention, diagnosis and treatment difficult. Therapy of leishmaniasis ranges from local treatment of cutaneous lesions to systemic, often toxic, therapy for disseminated cutaneous, mucocutaneous and deadly visceral disease. This review is a summary of the clinical syndromes caused by Leishmania and treatment regimens currently used for various forms of leishmaniasis.
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Affiliation(s)
- B.S. McGwire
- From the Division of Infectious Diseases and Center for Microbial Interface Biology, Department of Internal Medicine, The Wexner Medical Center, The Ohio State University, Columbus, OH, USA and Departments of Pathology and Microbiology, The Ohio State University, Columbus, OH, USA
| | - A.R. Satoskar
- From the Division of Infectious Diseases and Center for Microbial Interface Biology, Department of Internal Medicine, The Wexner Medical Center, The Ohio State University, Columbus, OH, USA and Departments of Pathology and Microbiology, The Ohio State University, Columbus, OH, USA
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Blum J, Lockwood DNJ, Visser L, Harms G, Bailey MS, Caumes E, Clerinx J, van Thiel PPAM, Morizot G, Hatz C, Buffet P. Local or systemic treatment for New World cutaneous leishmaniasis? Re-evaluating the evidence for the risk of mucosal leishmaniasis. Int Health 2013; 4:153-63. [PMID: 24029394 DOI: 10.1016/j.inhe.2012.06.004] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This review addresses the question of whether the risk of developing mucosal leishmaniasis (ML) warrants systemic treatment in all patients with New World cutaneous leishmaniasis (CL) or whether local treatment might be an acceptable alternative. The risk of patients with New World CL developing ML after the initial infection has been the main argument for systemic treatment. However, this statement needs re-evaluation and consideration of all the available data. The putative benefit of preventing ML should outweigh the toxicity of systemic antileishmanial therapy. To assess the need for and risk of systemic treatment the following factors were reviewed: the incidence and prevalence of ML in endemic populations and in travellers; the severity of mucosal lesions; the efficacy of current options to treat ML; the toxicity and, to a lesser extent, the costs of systemic treatment; the risk of developing ML after local treatment; and the strengths and limitations of current estimates of the risk of developing ML in different situations. Local treatment might be considered as a valuable treatment option for travellers suffering from New World CL, provided that there are no risk factors for developing ML such as multiple lesions, big lesions (>4 cm(2)), localisation of the lesion on the head or neck, immunosuppression or acquisition of infection in the high Andean countries, notably Bolivia.
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Affiliation(s)
- Johannes Blum
- Swiss Tropical and Public Health Institute, Socinstrasse 57, 4002 Basel, Switzerland
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Iraji F, Sadeghinia A. Efficacy of paromomycin ointment in the treatment of cutaneous leishmaniasis: results of a double-blind, randomized trial in Isfahan, Iran. Annals of Tropical Medicine & Parasitology 2013; 99:3-9. [PMID: 15701249 DOI: 10.1179/136485905x16372] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Although pentavalent antimonials are often used in the first-line treatment of cutaneous leishmaniasis (CL), they have several adverse effects. Intralesional administration of antimonials and other antileishmanial drugs can be painful. In the present, double-blind, randomized study, to determine if topical treatment with paromomycin is effective in the treatment of CL, 35 cases of CL were treated, twice daily for 30 days, with a commercial skin-care lotion containing 10% urea (the placebo) and another 30 were similarly treated with the same lotion to which paromomycin sulphate had been added (to give a concentration of 15%). Each case was assessed clinically 7, 14, 21 and 30 days after treatment began, and parasitologically 30 and 60 days after the initiation of treatment. Five (17%) and five (17%) of the cases treated with paromomycin showed complete healing, with the apparent clearance of amastigotes from their lesions, 30 and 60 days after treatment began, respectively. At the same time-points, however, the lesions on six (17%) and seven (20%) of the cases in the placebo group, respectively, also appeared to have healed completely. Ointment containing 15% paromomycin therefore appears ineffective in the treatment of CL, at least when applied twice daily for 30 days to the lesions of cases from an endemic area of Isfahan, Iran.
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Affiliation(s)
- F Iraji
- Department of Dermatology, Isfahan University of Medical Sciences, Isfahan, Iran
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Khatami A, Talaee R, Rahshenas M, Khamesipour A, Mehryan P, Tehrani S, Dowlati Y, Firooz A. Dressings combined with injection of meglumine antimoniate in the treatment of cutaneous leishmaniasis: a randomized controlled clinical trial. PLoS One 2013; 8:e66123. [PMID: 23826087 PMCID: PMC3691234 DOI: 10.1371/journal.pone.0066123] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Accepted: 04/29/2013] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Cutaneous leishmaniasis (CL) is a neglected infectious disease and a major health problem in several developing countries. Despite some reasonable explanation for their potential benefits, there is only trace evidence regarding the role of dressings in the treatment of CL. METHODS This randomized, assessor-blind, controlled, clinical trial was conducted in an endemic area for CL caused by Leishmania major in Iran to assess the efficacy of administration of weekly intralesional meglumine antimoniate (i.l.MA) either alone or combined with application of a silver or a non-silver polyester dressing on their lesions for 6 weeks. After screening of 241 patients with CL lesions, 83 eligible patients with 158 lesions were randomly allocated in three arms of the study. Eligibility criteria included parasitologically confirmed CL, age of 12 to 60 years; willingness to participate, duration of lesion<3 months, number of lesions<5, largest ulcer diameter<5 cm. Pregnant or lactating women were excluded. The primary outcome was absolute risk reduction (ARR) based on the proportion of complete healing, which was defined as more than 75% reduction in the size of the lesion compared with baseline in each group at the termination of treatment and 1 month later. FINDINGS ARR (95% Confidence Interval [CI]) in i.l.MA versus i.l.MA+non-silver dressing groups was 5.98% (-7.07% to 20.25%), between i.l.MA versus i.l.MA+silver dressing groups was -0.23% (-13.53% to 14.82%), and between i.l.MA+non-silver dressing versus i.l.MA+silver dressing groups was -6.21%(-18.28% to 6.52%) after 6 weeks of treatment. ARR (95% CI) in i.l.MA versus i.l.MA+non-silver dressing groups was -2.22% (-22.12% to 18.10%), between i.l.MA versus i.l.MA+silver dressing groups was 3.64% (-15.36% to 22.82%), and between i.l.MA+non-silver dressing versus i.l.MA+silver dressing groups was 5.86% (-12.86% to 24.31%) 1 month later. CONCLUSION It could not be demonstrated that the efficacy of i.l.MA was improved by either dressing. TRIAL REGISTRATION Iranian Registry of Clinical Trials (IRCT.ir) IRCT138707201166N2.
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Affiliation(s)
- Alireza Khatami
- Center for Research and Training in Skin Diseases and Leprosy, Tehran University of Medical Sciences, Tehran, Iran
| | - Rezvan Talaee
- Department of Dermatology, Kashan, University of Medical Sciences, Kashan, Iran
| | - Makan Rahshenas
- Faculty of Medicine, Islamic Azad University, Tehran Medical Branch, Tehran, Iran
| | - Ali Khamesipour
- Center for Research and Training in Skin Diseases and Leprosy, Tehran University of Medical Sciences, Tehran, Iran
| | - Pedram Mehryan
- Center for Research and Training in Skin Diseases and Leprosy, Tehran University of Medical Sciences, Tehran, Iran
| | - Sepideh Tehrani
- Department of Dermatology, Faculty of Medicine, Islamic Azad University, Tehran Medical Branch, Tehran, Iran
| | - Yahya Dowlati
- Center for Research and Training in Skin Diseases and Leprosy, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Firooz
- Center for Research and Training in Skin Diseases and Leprosy, Tehran University of Medical Sciences, Tehran, Iran
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Morizot G, Kendjo E, Mouri O, Thellier M, Pérignon A, Foulet F, Cordoliani F, Bourrat E, Laffitte E, Alcaraz I, Bodak N, Ravel C, Vray M, Grogl M, Mazier D, Caumes E, Lachaud L, Buffet PA, El Samad Y, Salle V, Gounod N, Dallot A, Belot G, Pelletier-Cunat S, Belon M, Verdon R, Rogeaux O, Grossetête G, Lesens O, Clabaut A, Maus E, Jouy L, Gener G, Perrin P, Roch N, Herve A, Le Duc D, Cuchet E, Maubon D, Hillion B, Menot E, Guillemot F, Beneton-Benhard N, Celerier P, Dupuis De Fonclare AL, Carre D, Bourgeois A, Marty P, Pomares C, Meunier L, Abergel H, Timsit F, Amoric JC, Busquet P, Karam S, Moisson YF, Mouly F, Ortoli JC, Consigny PH, Jouan M, Caby F, Datry A, Hochedez P, Rozembaum F, Dumortier C, Ancelle T, Dupin N, Paugam A, Ranque B, Bougnoux ME, Canestri A, Galezowsky MF, Hadj Rabia S, Hamel D, Schneider P, Wolter-Desfosses M, Janier M, Baccard M, Bezier M, Broissin M, Colin De Verdiere N, Durupt F, Hope Rapp E, Juillard C, Levy A, Moraillon I, Petit A, Regner S, Barthelme D, Tamarin JM, Begon E, Strady C, Gangneux JP, Carpentier O, Mechai F, Kieffer C, Dellestable P, Rebauder S. Travelers With Cutaneous Leishmaniasis Cured Without Systemic Therapy. Clin Infect Dis 2013; 57:370-80. [DOI: 10.1093/cid/cit269] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- G. Morizot
- Unité d'Immunologie Moléculaire des Parasites, Institut Pasteur de Paris
| | | | - O. Mouri
- Service de Parasitologie-Mycologie
| | | | - A. Pérignon
- Service de Maladies Infectieuses et Tropicales, Hôpital Pitié-Salpêtrière, Paris
| | - F. Foulet
- Service de Parasitologie-Mycologie, Hôpital Henri Mondor, Créteil
| | | | - E. Bourrat
- Service de Dermatologie, Hôpital Saint-Louis, Paris
- Service de Pédiatrie générale, Hôpital Robert Debré, Paris, France
| | - E. Laffitte
- Clinique de Dermatologie, Hôpitaux Universitaires de Genève, Switzerland
| | - I. Alcaraz
- Service de Maladies Infectieuses et Pathologie du voyageur, Hôpital Gustave Dron, Tourcoing
| | - N. Bodak
- Service de Dermatologie, Hôpital Necker, Paris
| | - C. Ravel
- French Reference Centre on Leishmaniasis, Montpellier
| | - M. Vray
- Unité de Recherche et d'Expertise Épidémiologie des Maladies Émergentes, Institut Pasteur de Paris/INSERM, France
| | - M. Grogl
- Walter Reed Army Institute of Research, Silver Spring, Maryland
| | | | - E. Caumes
- Service de Maladies Infectieuses et Tropicales, Hôpital Pitié-Salpêtrière, Paris
| | - L. Lachaud
- French Reference Centre on Leishmaniasis, Montpellier
| | - P. A. Buffet
- Unité d'Immunologie Moléculaire des Parasites, Institut Pasteur de Paris
- Service de Parasitologie-Mycologie
- UMRs 945 INSERM–Paris 6 University, France
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Ahuja AA, Bumb RA, Mehta RD, Prasad N, Tanwar RK, Satoskar AR. Successful treatment of canine cutaneous leishmaniasis using radio-frequency induced heat (RFH) therapy. Am J Trop Med Hyg 2012; 87:261-3. [PMID: 22855755 DOI: 10.4269/ajtmh.2012.11-0756] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Canine cutaneous leishmaniasis (CCL) is a significant veterinary problem. Infected dogs also serve as parasite reservoirs and contribute to human transmission of cutaneous leishmaniasis (CL). Current treatments for CCL are cumbersome and toxic because they are prolonged and involve multiple injections of antimonials. Radio-frequency induced heat (RFH) therapy has been found to be highly effective against CL in humans. Here, we examined the efficacy of topical RFH therapy in the treatment of CL in two pet dogs. We found that RFH therapy induced complete clinical cure and lesion healing within 45 days and both dogs have remained disease free for the last 16 months. This report is the first to demonstrate that a single topical application of RFH therapy is safe and effective in inducing long-term cure of CCL.
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Affiliation(s)
- Anil A Ahuja
- Department of Clinical Veterinary Medicine, RAJUVAS, Bikaner, Rajasthan, India
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Abstract
INTRODUCTION Leishmaniasis broadly manifests as visceral leishmaniasis (VL), cutaneous leishmaniasis (CL) and mucocutaneous leishmaniasis (MCL). The treatment of VL is challenging. The duration of treatment is long, and drugs are toxic thereby needing monitoring and hospitalization. AREAS COVERED Novel therapies such as single dose of liposomal amphotericin B (L-AmB) and multidrug therapy are important breakthrough for VL in the Indian subcontinent and have been recommended as the treatment of choice in this region. African Leishmania donovani is less susceptible to L-AmB, miltefosine and paromomycin as compared to the Indian strains, and the treatment of choice remains a 17-day combination therapy of pentavalent antimonials (SB(v)) and paromomycin. L-AmB at a total dose of 18 - 21 mg/kg is the recommended regimen in the Mediterranean region and South America. It is also the treatment of choice for HIV-VL coinfection. Treatment of CL should be decided by the clinical lesions, etiological species and its potential to develop into mucosal leishmaniasis. A literature search on treatment of leishmaniasis was done on PubMed and through Google. EXPERT OPINION There is an urgent need for exploratory studies with short course, highly efficient regimens such as single dose L-AmB or combination therapy for all the endemic regions of VL. Shorter and more acceptable regimens are needed for the treatment of post-kala-azar dermal leishmaniasis. Treatment of CL remains one of the neglected areas of leishmaniasis as data are scarce and drawn from uncontrolled studies.
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Affiliation(s)
- Shyam Sundar
- Banaras Hindu University, Institute of Medical Sciences, Department of Medicine, Varanasi 221 005, India.
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Ghadiri M, Vatanara A, Doroud D, Roholamini Najafabadi A. Paromomycin loaded solid lipid nanoparticles: Characterization of production parameters. BIOTECHNOL BIOPROC E 2011; 16:617-23. [DOI: 10.1007/s12257-010-0331-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Buffet PA, Rosenthal É, Gangneux JP, Lightburne E, Couppié P, Morizot G, Lachaud L, Marty P, Dedet JP. [Therapy of leishmaniasis in France: consensus on proposed guidelines]. Presse Med 2010; 40:173-84. [PMID: 21106333 DOI: 10.1016/j.lpm.2010.09.023] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2010] [Revised: 09/09/2010] [Accepted: 09/15/2010] [Indexed: 10/18/2022] Open
Abstract
Because it relies on potentially toxic, difficult-to-handle, or expensive compounds the therapy of leishmaniasis is still a complex issue in 2010, especially for visceral leishmaniasis in immuno-suppressed subjects, or in patients with cutaneous and mucosal involvement. This induces a wide diversity of observed therapeutic practices, some being sub-optimal. The Société de Pathologie Exotique organised a meeting dedicated to the therapy of leishmaniasis in France that led to the first consensus on therapeutic guidelines. Liposomal amphotericin B is the first-line option for visceral leishmaniasis both in immunocompetent, and immunosuppressed patients (cumulated doses of 20 mg/kg and 30-40 mg/kg, respectively). Secondary prophylaxis with either liposomal amphotericin B, pentamidine or meglumine antimoniate is proposed to patients with heavy immunosuppression until immunity has been restored for at least 6 months. While the efficacy of new topical formulations of paromomycin is being tested, patients with Old World cutaneous leishmaniasis may be left untreated, or be administered a combination of superficial cryotherapy plus intralesional antimony, or even--in complex situations--receive systemic therapy. The efficacy of a short course of pentamidine (L. guyanensis/L. panamensis) and a 20-day schedule of meglumine antimoniate (L. braziliensis) is solidly established. However, in well-defined situations, local therapy of New World cutaneous leishmaniasis is now considered acceptable.
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Affiliation(s)
- Pierre A Buffet
- Université Paris 6, UMR945 47, hôpital Pitié-Salpêtrière, service de parasitologie-mycologie, boulevard de l'hôpital, 75651 Paris cedex 13, France.
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Ranawaka RR, Weerakoon HS. Randomized, double-blind, comparative clinical trial on the efficacy and safety of intralesional sodium stibogluconate and intralesional 7% hypertonic sodium chloride against cutaneous leishmaniasis caused byL. donovani. J DERMATOL TREAT 2010; 21:286-93. [DOI: 10.3109/09546630903287445] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Lupi O, Bartlett BL, Haugen RN, Dy LC, Sethi A, Klaus SN, Machado Pinto J, Bravo F, Tyring SK. Tropical dermatology: Tropical diseases caused by protozoa. J Am Acad Dermatol 2009; 60:897-925; quiz 926-8. [PMID: 19467364 DOI: 10.1016/j.jaad.2009.03.004] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2008] [Revised: 10/05/2008] [Accepted: 03/07/2009] [Indexed: 11/18/2022]
Abstract
UNLABELLED Protozoan infections are very common among tropical countries and have an important impact on public health. Leishmaniasis is the most widely disseminated protozoan infection in the world, while the trypanosomiases are widespread in both Africa and South America. Amebiasis, a less common protozoal infection, is a cause of significant morbidity in some regions. Toxoplasmosis and pneumocystosis (formerly thought to be caused by a protozoan) are worldwide parasitic infections with a very high incidence in immunocompromised patients but are not restricted to them. In the past, most protozoan infections were restricted to specific geographic areas and natural reservoirs. There are cases in which people from other regions may have come in contact with these pathogens. A common situation involves an accidental contamination of a traveler, tourist, soldier, or worker that has contact with a reservoir that contains the infection. Protozoan infections can be transmitted by arthropods, such as sandflies in the case of leishmaniasis or bugs in the case of trypanosomiases. Vertebrates also serve as vectors as in the case of toxoplasmosis and its transmission by domestic cats. The recognition of the clinical symptoms and the dermatologic findings of these diseases, and a knowledge of the geographic distribution of the pathogen, can be critical in making the diagnosis of a protozoan infection. LEARNING OBJECTIVES After completing this learning activity, participants should be able to recognize the significance of protozoan infections worldwide, identify the dermatologic manifestations of protozoan infections, and select the best treatment for the patient with a protozoan infection.
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Affiliation(s)
- Omar Lupi
- Department of Dermatology at Federal University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
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Ben Salah A, Buffet PA, Morizot G, Ben Massoud N, Zâatour A, Ben Alaya N, Haj Hamida NB, El Ahmadi Z, Downs MT, Smith PL, Dellagi K, Grögl M. WR279,396, a third generation aminoglycoside ointment for the treatment of Leishmania major cutaneous leishmaniasis: a phase 2, randomized, double blind, placebo controlled study. PLoS Negl Trop Dis 2009; 3:e432. [PMID: 19415122 DOI: 10.1371/journal.pntd.0000432] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2008] [Accepted: 04/09/2009] [Indexed: 11/19/2022] Open
Abstract
Background Cutaneous leishmaniasis (CL) is a disfiguring disease that confronts clinicians with a quandary: leave patients untreated or engage in a complex or toxic treatment. Topical treatment of CL offers a practical and safe option. Accordingly, the treatment of CL with WR279,396, a formulation of paromomycin and gentamicin in a hydrophilic base, was investigated in a phase 2 clinical study in Tunisia and France. Methods A phase 2, randomized, double blind, vehicle-controlled study was conducted to assess the safety and efficacy of topical WR279,396 when applied twice a day for 20 days as treatment for parasitologically confirmed CL. The study protocol established the primary efficacy end point as complete clinical response (CCR) defined as 50% or greater reduction in the ulceration size of an index lesion by day 50 (D50) followed by complete re-epithelialization by D100, and no relapse through D180. Results Ninety-two subjects were randomized. Leishmania major was identified in 66 of 68 isolates typed (97%). In the intent-to-treat population, 47 of 50 WR279,396 treated participants (94%) met the definition of CCR, compared with 30 of 42 vehicle-placebo participants (71%) [p = 0.0045]. Erythema occurred in 30% and 24% of participants receiving WR279,396 and placebo, respectively [p = 0.64]. There was no clinical or laboratory evidence of systemic toxicity. Conclusion Application of WR279,396 for 20 days was found to be safe and effective in treating L. major CL, and offers great potential as a new, simple, easily applicable, and inexpensive topical therapy for this neglected disease. Trial Registration ClinicalTrials.gov NCT00703924 Cutaneous leishmaniasis is due to a small parasite (Leishmania) that creates disfiguring sores, and affects more than one million persons (mainly children) each year. Treating lesions with a cream—instead of with injections as currently done—would greatly improve the well-being of affected patients. No cream formulation that would be efficient and would not create important skin irritation has been identified yet. Here, we tested a new cream formulation (WR279,396) containing paromomycin and gentamicin, two members of a well-known family of antibacterial antibiotics (aminoglycosides). Injectable paromomycin is efficient in other forms of the disease (visceral leishmaniasis). This was a carefully monitored study (phase 2) involving mainly children in Tunisia and France. The cream was applied twice a day for 20 days. The proportion of patients treated with the paromomycin-containing cream (active formulation) that cured (94%) was higher than that observed (71%) in patients treated with a cream that did not contain the active product (placebo formulation). Local irritation affected less than one-third of the patients and was usually mild. This new cream formulation was safe and effective in treating cutaneous leishmaniasis, thereby providing a new, simple, easily applicable, and inexpensive treatment for this neglected disease.
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Affiliation(s)
- Johannes A Blum
- Medical Department, Swiss Tropical Institute, Basel, Switzerland.
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Chaabane H, Masmoudi A, Dammak A, Kchaou W, Akrout F, Zribi M, Boudaya S, Turki H. Traitement de la leishmaniose cutanée par cryothérapie associée ou non au Glucantime® intralésionnel. Ann Dermatol Venereol 2009; 136:278-9. [DOI: 10.1016/j.annder.2008.09.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2008] [Accepted: 09/12/2008] [Indexed: 11/15/2022]
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Lecoeur H, Buffet P, Morizot G, Goyard S, Guigon G, Milon G, Lang T. Optimization of topical therapy for Leishmania major localized cutaneous leishmaniasis using a reliable C57BL/6 Model. PLoS Negl Trop Dis 2007; 1:e34. [PMID: 18060082 PMCID: PMC2100369 DOI: 10.1371/journal.pntd.0000034] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2007] [Accepted: 06/12/2007] [Indexed: 11/18/2022] Open
Abstract
Background Because topical therapy is easy and usually painless, it is an attractive first-line option for the treatment of localized cutaneous leishmaniasis (LCL). Promising ointments are in the final stages of development. One main objective was to help optimize the treatment modalities of human LCL with WR279396, a topical formulation of aminoglycosides that was recently proven to be efficient and safe for use in humans. Methodology/Principal Findings C57BL/6 mice were inoculated in the ear with luciferase transgenic L. major and then treated with WR279396. The treatment period spanned lesion onset, and the evolution of clinical signs and bioluminescent parasite loads could be followed for several months without killing the mice. As judged by clinical healing and a 1.5-3 log parasite load decrease in less than 2 weeks, the 94% efficacy of 10 daily applications of WR279396 in mice was very similar to what had been previously observed in clinical trials. When WR279396 was applied with an occlusive dressing, parasitological and clinical efficacy was significantly increased and no rebound of parasite load was observed. In addition, 5 applications under occlusion were more efficient when done every other day for 10 days than daily for 5 days, showing that length of therapy is a more important determinant of treatment efficacy than the total dose topically applied. Conclusions/Significance Occlusion has a significant adjuvant effect on aminoglycoside ointment therapy of experimental cutaneaous leishmaniasis (CL), a concept that might apply to other antileishmanial or antimicrobial ointments. Generated in a laboratory mouse-based model that closely mimics the course of LCL in humans, our results support a schedule based on discontinuous applications for a few weeks rather than several daily applications for a few days. When initiating the cutaneous disease named cutaneous leishmaniasis (CL), Leishmania parasites develop within the parasitophorous vacuoles of phagocytes residing in and/or recruited to the dermis, a process leading to more or less chronic dermis and epidermis-damaging inflammatory processes. Topical treatment of CL could be a mainstay in its management. Any improvements of topicals, such as new vehicles and shorter optimal contact regimes, could facilitate their use as an ambulatory treatment. Recently, WR279396, a third-generation aminoglycoside ointment, was designed with the aim to provide stability and optimal bioavailability for the molecules expected to target intracellular Leishmania. Two endpoints were expected to be reached: i) accelerated clearance of the maximal number of parasites, and ii) accelerated and stable repair processes without scars. A mouse model of CL was designed: it relies on the intradermal inoculation of luciferase-expressing Leishmania, allowing for in vivo bioluminescence imaging of the parasite load fluctuation, which can then be quantified simultaneously with the onset and resolution of clinical signs. These quantitative readout assays, deployed in real time, provide robust methods to rapidly assess efficacy of drugs/compounds i) to screen treatment modalities and ii) allow standardized comparison of different therapeutic agents.
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Affiliation(s)
- Hervé Lecoeur
- Unité d'Immunophysiologie et Parasitisme Intracellulaire, Institut Pasteur, Paris, France
| | - Pierre Buffet
- Unité de Recherche Clinique, Institut Pasteur, Paris, France
| | - Gloria Morizot
- Unité de Recherche Clinique, Institut Pasteur, Paris, France
| | - Sophie Goyard
- Unité d'Immunophysiologie et Parasitisme Intracellulaire, Institut Pasteur, Paris, France
| | | | - Geneviève Milon
- Unité d'Immunophysiologie et Parasitisme Intracellulaire, Institut Pasteur, Paris, France
| | - Thierry Lang
- Unité d'Immunophysiologie et Parasitisme Intracellulaire, Institut Pasteur, Paris, France
- * E-mail:
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Sadeghian G, Nilfroushzadeh MA, Iraji F. Efficacy of local heat therapy by radiofrequency in the treatment of cutaneous leishmaniasis, compared with intralesional injection of meglumine antimoniate. Clin Exp Dermatol 2007; 32:371-4. [PMID: 17376205 DOI: 10.1111/j.1365-2230.2007.02405.x] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Cutaneous leishmaniasis (CL) is a serious public health problem in many tropical and subtropical regions of the world. Treatment of CL can prevent disfiguring scars. AIM The efficacy of local heat therapy by radiofrequency (RF) was compared with intralesional injection of meglumine antimoniate in the treatment of CL. METHODS This was a randomized clinical trial. Patients with antroponotic cutaneous leishmaniasis (ACL) in the Isfahan province of Iran were enrolled in the study if the examination of a smear from a suspected CL lesion was confirmed positive for Leishmania. Patients were randomly allocated to one of two treatment groups. Group A was treated by heat therapy by RF at 50 degrees C for 30 s once weekly for 4 weeks, and group B was treated with intralesional injection of meglumine antimoniate once weekly for 4 weeks. Follow-up lasted 6 months. Response to treatment was classified as complete (lesions flattened, no induration, and epidermal creases had appeared), partial (reduction in lesion size, but without the appearance of epidermal creases) and poor (no reduction in lesion size). RESULTS Of 117 participants, 57 patients with 83 lesions in group A and 60 patients with 94 lesions in group B completed the study and were followed up for 6 months. Complete, partial and poor response to treatment were 80.7%, 12% and 7.3% in group A, and 55.3%, 21.27% and 23.40% in group B, respectively (P = 0.001). In both groups, there was no relapse in patients with complete response after 6 months of follow-up. CONCLUSIONS Heat therapy with thermogenerator RF can be used as an efficacious treatment in the lesions of CL. It is more effective than the conventional treatment with intralesional meglumine antimoniate injection.
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Affiliation(s)
- G Sadeghian
- Skin Disease and Leishmaniasis Research Center, Isfahan University of Medical Sciences and Health Services, Isfahan, Iran.
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Abstract
The causative species of cutaneous leishmaniasis determines the clinical features and courses, and treatments. Intralesional or systemic antimonials are the gold standard for the treatment of these diseases. However, as for visceral leishmaniasis, other therapeutic options appear promising. Paromomycin ointments are effective in Leishmania major, L. tropica, L. mexicana, and L. panamensis lesions. In L. braziliensis localized leishmaniasis, both paromomycin and imiquimod may be topically applied. Oral fluconazole and zinc sulfate are useful in L. major. Oral azithromycin, effective in vitro and in mice, needs further investigation in human leishmaniasis. On the contrary, data with oral itraconazole are disappointing. Oral miltefosine, which is very effective in visceral leishmaniasis caused by L. donovani, appears ineffective in L. major and L. braziliensis infections. Intramuscular pentamidine is required for L. guyanensis cutaneous leishmaniasis, for which systemic antimony is not effective. Liposomal amphotericin B could be an alternative to antimony in south American cutaneous leishmaniasis with mucosal involvement (especially L. braziliensis and L. guyanensis infections).
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Affiliation(s)
- Philippe Minodier
- Pediatric Emergency Unit, CHU Nord, Chemin des Bourrelly, 13915 Marseille Cedex 20, France.
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Khatami A, Firooz A, Gorouhi F, Dowlati Y. Treatment of acute Old World cutaneous leishmaniasis: a systematic review of the randomized controlled trials. J Am Acad Dermatol 2007; 57:335.e1-29. [PMID: 17337090 DOI: 10.1016/j.jaad.2007.01.016] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2006] [Revised: 12/28/2006] [Accepted: 01/09/2007] [Indexed: 11/23/2022]
Abstract
BACKGROUND Cutaneous leishmaniasis (CL) is caused by different species of Leishmania and transmitted by the bite of infected sand flies. It is a health problem in many countries. OBJECTIVE This study was performed to assess the evidence for the efficacy of different therapeutic modalities for acute Old World CL, which is usually caused by L major and L tropica. METHODS Evidence was reviewed according to the hierarchy of evidence. Because there have been no published systematic reviews on this topic to date, the primary source of evidence was individual randomized controlled trials (RCTs). Multiple databases were systematically searched. Using independent double review and published quality review criteria, articles were rated as good, fair, or poor. Treatment benefit data were tabulated, and conclusions were based on the rated strength of published evidence. RESULTS In all, 50 RCTs met inclusion criteria consisting of 5515 patients in 119 study arms. Reviewed trials were highly variable in quality and methods and generally provide weak evidence for treatment of acute Old World CL. LIMITATIONS The quality of included studies was generally poor. CONCLUSIONS Well-designed randomized, double-blind, controlled trials should be designed and conducted to find better evidence for the treatment of acute Old World CL.
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Affiliation(s)
- Alireza Khatami
- Center for Research and Training in Skin Diseases and Leprosy, Tehran University of Medical Sciences, Iran
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Reithinger R, Coleman PG. Treating cutaneous leishmaniasis patients in Kabul, Afghanistan: cost-effectiveness of an operational program in a complex emergency setting. BMC Infect Dis 2007; 7:3. [PMID: 17263879 PMCID: PMC1790896 DOI: 10.1186/1471-2334-7-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2006] [Accepted: 01/30/2007] [Indexed: 12/01/2022] Open
Abstract
Background Although Kabul city, Afghanistan, is currently the worldwide largest focus of cutaneous leishmaniasis (CL) with an estimated 67,500 cases, donor interest in CL has been comparatively poor because the disease is non-fatal. Since 1998 HealthNet TPO (HNTPO) has implemented leishmaniasis diagnosis and treatment services in Kabul and in 2003 alone 16,390 were treated patients in six health clinics in and around the city. The aim of our study was to calculate the cost-effectiveness for the implemented treatment regimen of CL patients attending HNTPO clinics in the Afghan complex emergency setting. Methods Using clinical and cost data from the on-going operational HNTPO program in Kabul, published and unpublished sources, and discussions with researchers, we developed models that included probabilistic sensitivity analysis to calculate ranges for the cost per disability adjusted life year (DALY) averted for implemented CL treatment regimen. We calculated the cost-effectiveness of intralesional and intramuscular administration of the pentavalent antimonial drug sodium stibogluconate, HNTPO's current CL 'standard treatment'. Results The cost of the standard treatment was calculated to be US$ 27 (95% C.I. 20 – 36) per patient treated and cured. The cost per DALY averted per patient cured with the standard treatment was estimated to be approximately US$ 1,200 (761 – 1,827). Conclusion According to WHO-CHOICE criteria, treatment of CL in Kabul, Afghanistan, is not a cost-effective health intervention. The rationale for treating CL patients in Afghanistan and elsewhere is discussed.
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Affiliation(s)
- Richard Reithinger
- Clinical Trials Area, Westat, Rockville, USA
- Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
- Malaria and Leishmaniasis Control Program, HealthNet TPO, Kabul, Afghanistan
| | - Paul G Coleman
- Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
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Abstract
INTRODUCTION Cutaneous leishmaniasis is a common parasitic disease in Iran, especially in Isfahan. First line treatment for this disease is antimonial compounds; however, owing to the intermittent failure of this treatment and its significant side-effects alternative therapeutic measures have been advocated. OBJECTIVE Evaluating the efficacy of pentoxifylline plus glucantime in the treatment of cutaneous leishmaniasis. METHODS This double-blind, randomized, controlled clinical trial with simple sampling was performed on 64 patients with cutaneous leishmaniasis referred to the Skin Diseases & Leishmaniasis Research Center from an endemic foci of L. major in Isfahan. The patients randomly were divided into two groups. One group was treated with systemic Glucantime (20 mg pentavalent antimony/kg/day) combined with pentoxifylline (400 mg three times daily) and the other group were treated with Glucantime (20 mg pentavalent antimony/kg/day) plus placebo (three tablets daily) for 20 days. Follow up lasted 3 months. Response to treatment was grouped as complete improvement (lesions had been flattened, no induration, and epidermal creases had appeared), partial improvement (reduction in lesion size, but without the appearance of epidermal creases) and poor response (no reduction in lesion size). RESULTS Of 64 participants, 32 patients in the trial group and 31 patients in the control group were followed for 3 months. One patient in group B discontinued withdrew. After this time, complete improvement, partial improvement and poor response to treatment were 81.3%, 12.5% and 6.2% in the trial group and 51.6%, 29% and 19.4% in the control group, respectively. We also observed no adverse effect resulting from pentoxifylline. DISCUSSION The result obtained by two therapeutic methods indicates that combined therapy with Glucantime and pentoxifylline is more effective than Glucantime alone (P < 0.05).
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Affiliation(s)
- G Sadeghian
- Skin Disease and Leishmaniasis Research Center, Isfahan University of Medical Sciences and Health Services, and Dermatology Tehran University, Skin Disease and Leishmaniasis Research Center, Isfahan, Iran.
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Abstract
Governed by parasite and host factors and immunoinflammatory responses, the clinical spectrum of leishmaniasis encompasses subclinical (inapparent), localised (skin lesions), and disseminated infection (cutaneous, mucosal, or visceral). Symptomatic disease is subacute or chronic and diverse in presentation and outcome. Clinical characteristics vary further by endemic region. Despite T-cell-dependent immune responses, which produce asymptomatic and self-healing infection, or appropriate treatment, intracellular infection is probably life-long since targeted cells (tissue macrophages) allow residual parasites to persist. There is an epidemic of cutaneous leishmaniasis in Afghanistan and Pakistan and of visceral infection in India and Sudan. Diagnosis relies on visualising parasites in tissue or serology; culture and detection of parasite DNA are useful in the laboratory. Pentavalent antimony is the conventional treatment; however, resistance of visceral infection in India has spawned new treatment approaches--amphotericin B and its lipid formulations, injectable paromomycin, and oral miltefosine. Despite tangible advances in diagnosis, treatment, and basic scientific research, leishmaniasis is embedded in poverty and neglected. Current obstacles to realistic prevention and proper management include inadequate vector (sandfly) control, no vaccine, and insufficient access to or impetus for developing affordable new drugs.
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Affiliation(s)
- Henry W Murray
- Department of Medicine, Weill Medical College of Cornell University, New York, USA.
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