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International Journal of Molecular... Oct 2022Dapsone (DDS), Rifampicin (RIF) and Ofloxacin (OFL) are drugs recommended by the World Health Organization (WHO) for the treatment of leprosy. In the context of leprosy,... (Meta-Analysis)
Meta-Analysis Review
Dapsone (DDS), Rifampicin (RIF) and Ofloxacin (OFL) are drugs recommended by the World Health Organization (WHO) for the treatment of leprosy. In the context of leprosy, resistance to these drugs occurs mainly due to mutations in the target genes (Folp1, RpoB and GyrA). It is important to monitor antimicrobial resistance in patients with leprosy. Therefore, we performed a meta-analysis of drug resistance in Mycobacterium leprae and the mutational profile of the target genes. In this paper, we limited the study period to May 2022 and searched PubMed, Web of Science (WOS), Scopus, and Embase databases for identified studies. Two independent reviewers extracted the study data. Mutation and drug-resistance rates were estimated in Stata 16.0. The results demonstrated that the drug-resistance rate was 10.18% (95% CI: 7.85-12.51). Subgroup analysis showed the highest resistance rate was in the Western Pacific region (17.05%, 95% CI:1.80 to 13.78), and it was higher after 2009 than before [(11.39%, 7.46-15.33) vs. 6.59% (3.66-9.53)]. We can conclude that the rate among new cases (7.25%, 95% CI: 4.65-9.84) was lower than the relapsed (14.26%, 95 CI%: 9.82-18.71). Mutation rates of Folp1, RpoB and GyrA were 4.40% (95% CI: 3.02-5.77), 3.66% (95% CI: 2.41-4.90) and 1.28% (95% CI: 0.87-1.71) respectively, while the rate for polygenes mutation was 1.73% (0.83-2.63). For further analysis, we used 368 drug-resistant strains as research subjects and found that codons (Ser, Pro, Ala) on RpoB, Folp1 and GyrA are the most common mutation sites in the determining region (DRDR). In addition, the most common substitution patterns of Folp1, RpoB, and GyrA are Pro→Leu, Ser→Leu, and Ala→Val. This study found that a higher proportion of patients has developed resistance to these drugs, and the rate has increased since 2009, which continue to pose a challenge to clinicians. In addition, the amino acid alterations in the sequence of the DRDR regions and the substitution patterns mentioned in the study also provide new ideas for clinical treatment options.
Topics: Humans; Rifampin; Dapsone; Leprostatic Agents; Ofloxacin; Drug Resistance, Bacterial; Mycobacterium leprae; Leprosy; Mutation; Amino Acids; Microbial Sensitivity Tests
PubMed: 36293307
DOI: 10.3390/ijms232012443 -
Skin Therapy Letter 2013Dermatitis herpetiformis (DH) is an autoimmune, pleiomorphic, papulovesicular disorder associated with celiac disease and gluten sensitivity. DH is characterized by... (Review)
Review
Dermatitis herpetiformis (DH) is an autoimmune, pleiomorphic, papulovesicular disorder associated with celiac disease and gluten sensitivity. DH is characterized by subepidermal bullae on hematoxylin and eosin staining and granular immunoglobulin A deposits in the dermal papillae using the direct immunofluorescence method. Antibodies to tissue transglutaminase and epidermal transgulatminase can be measured serologically, although biopsy is still required for definitive diagnosis of DH. Gluten free diet (GFD) is the first-line therapeutic approach that can alleviate both cutaneous and intestinal manifestations of this condition, while dapsone and sulfones target the skin eruption only. Combined therapy with GFD and dapsone is an initial treatment of choice to control the cutaneous manifestations of DH. This article will provide a comprehensive review of DH, including its epidemiology, clinical and pathological findings, diagnostic evaluation, and management.
Topics: Biopsy; Combined Modality Therapy; Dapsone; Dermatitis Herpetiformis; Diet, Gluten-Free; Fluorescent Antibody Technique, Direct; Humans; Leprostatic Agents; Sulfones; Transglutaminases
PubMed: 23674144
DOI: No ID Found -
Current Neuropharmacology 2022Dapsone (4,4'-diamino-diphenyl sulfone) is a synthetic derivative of sulfones, with the antimicrobial activity described since 1937. It is also a drug traditionally used... (Review)
Review
Dapsone (4,4'-diamino-diphenyl sulfone) is a synthetic derivative of sulfones, with the antimicrobial activity described since 1937. It is also a drug traditionally used in dermatological therapies due to its anti-inflammatory effect. In recent years its antioxidant, antiexcitotoxic, and antiapoptotic effects have been described in different ischemic damage models, traumatic damage, and models of neurodegenerative diseases, such as Parkinson's (PD) and Alzheimer's diseases (AD). Finally, dapsone has proven to be a safe and effective drug as a protector against heart, renal and pulmonary cells damage; that is why it is now employed in clinical trials with patients as a neuroprotective therapy by regulating the main mechanisms of damage that lead to cell death ObjectiveThe objective of this study is to provide a descriptive review of the evidence demonstrating the safety and therapeutic benefit of dapsone treatment, evaluated in animal studies and various human clinical trials Methods: We conducted a review of PubMed databases looking for scientific research in animals and humans, oriented to demonstrate the effect of dapsone on regulating and reducing the main mechanisms of damage that lead to cell death ConclusionThe evidence presented in this review shows that dapsone is a safe and effective neuro and cytoprotective treatment that should be considered for translational therapy.
Topics: Animals; Antioxidants; Apoptosis; Dapsone; Humans; Neuroprotection; Pharmaceutical Preparations
PubMed: 34139984
DOI: 10.2174/1570159X19666210617143108 -
Frontiers in Immunology 2020Monogenic autoinflammatory diseases are rare conditions caused by genetic abnormalities affecting the innate immunity. Previous therapeutic strategies had been mainly... (Review)
Review
Monogenic autoinflammatory diseases are rare conditions caused by genetic abnormalities affecting the innate immunity. Previous therapeutic strategies had been mainly based on results from retrospective studies and physicians' experience. However, during the last years, the significant improvement in their genetic and pathogenic knowledge has been accompanied by a remarkable progress in their management. The relatively recent identification of the inflammasome as the crucial pathogenic mechanism causing an aberrant production of interleukin 1β (IL-1β) in the most frequent monogenic autoinflammatory diseases led to the introduction of anti-IL-1 agents and other biologic drugs as part of the previously limited therapeutic armamentarium available. Advances in the treatment of autoinflammatory diseases have been favored by the use of new biologic agents and the performance of a notable number of randomized clinical trials exploring the efficacy and safety of these agents. Clinical trials have contributed to increase the level of evidence and provided more robust therapeutic recommendations. This review analyzes the treatment of the most frequent monogenic autoinflammatory diseases, namely, familial Mediterranean fever, tumor necrosis factor receptor-associated periodic fever syndrome, hyperimmunoglobulin D syndrome/mevalonate kinase deficiency, and cryopyrin-associated periodic syndromes, together with periodic fever with aphthous stomatitis, pharyngitis, and cervical adenitis syndrome, which is the most common polygenic autoinflammatory disease in children, also occurring in adult patients. Finally, based on the available expert consensus recommendations and the highest level of evidence of the published studies, a practical evidence-based guideline for the treatment of these autoinflammatory diseases is proposed.
Topics: Animals; Autoimmune Diseases; Biological Therapy; Colchicine; Dapsone; Evidence-Based Medicine; Fever; Humans; Immunotherapy; Lymphadenitis; Pharyngitis; Randomized Controlled Trials as Topic; Stomatitis, Aphthous; Syndrome; Thalidomide
PubMed: 32655539
DOI: 10.3389/fimmu.2020.00865 -
Archives of Dermatological Research Mar 2014Dapsone (4,4'-diaminodiphenylsulfone) is an aniline derivative belonging to the group of synthetic sulfones. In 1937 against the background of sulfonamide era the... (Review)
Review
Dapsone (4,4'-diaminodiphenylsulfone) is an aniline derivative belonging to the group of synthetic sulfones. In 1937 against the background of sulfonamide era the microbial activity of dapsone has been discovered. Shortly thereafter, the use of dapsone to treat non-pathogen-caused diseases revealed alternate antiinflammatory mechanisms that initially were elucidated by inflammatory animal models. Thus, dapsone clearly has dual functions of both: antimicrobial/antiprotozoal effects and anti-inflammatory features similarly to non-steroidal anti-inflammatory drugs. The latter capabilities primarily were used in treating chronic inflammatory disorders. Dapsone has been investigated predominantly by in vitro methods aiming to get more insights into the effect of dapsone to inflammatory effector cells, cytokines, and/or mediators, such as cellular toxic oxygen metabolism, myoloperoxidase-/halogenid system, adhesion molecules, chemotaxis, membrane-associated phospholipids, prostaglandins, leukotrienes, interleukin-8, tumor necrosis factor α, lymphocyte functions, and tumor growth. Moreover, attention has been paid to mechanisms by which dapsone mediates effects in more complex settings like impact of lifespan, stroke, glioblastoma, or as anticonvulsive agent. Additionally, there are some dermatological investigations in human being using dapsone and its metabolites (e.g., leukotriene B4-induced chemotaxis, ultraviolet-induced erythema). It could be established that dapsone metabolites by their own have anti-inflammatory properties. Pharmacology and mechanisms of action are determining factors for clinical use of dapsone chiefly in neutrophilic and/or eosinophilic dermatoses and in chronic disorders outside the field of dermatology. The steroid-sparing effect of dapsone is useful for numerous clinical entities. Future avenues of investigations will provide more information on this fascinating and essential agent.
Topics: Animals; Anti-Infective Agents; Anti-Inflammatory Agents, Non-Steroidal; Dapsone; Dermatology; Disease Models, Animal; Eosinophils; Humans; Neutrophils; Skin Diseases
PubMed: 24310318
DOI: 10.1007/s00403-013-1409-7 -
Dermatology Online Journal Jun 2002Dapsone (4,4'-diaminodiphenylsulfone, DDS) was synthesized a century ago and continues to be a powerful therapeutic tool in many skin diseases. We have tried to retrieve... (Review)
Review
Dapsone (4,4'-diaminodiphenylsulfone, DDS) was synthesized a century ago and continues to be a powerful therapeutic tool in many skin diseases. We have tried to retrieve and present the available knowledge and relevant information on this old but still very useful drug with the hope of encouraging and guiding practicing dermatologists to adapt it for various indications. Our objective is to familiarize the clinician with how this agent works, in what disease states it is effective, how to administer it, what adverse effects may occur, and how to monitor the patient receiving this drug.
Topics: Animals; Dapsone; Dermatologic Agents; Humans; Skin Diseases
PubMed: 12165212
DOI: No ID Found -
Ear, Nose, & Throat Journal Jul 2013Rhinosporidiosis is a chronic granulomatous disease caused by Rhinosporidium seeberi. It usually affects mucous membranes of the nose, nasopharynx, and ocular...
Rhinosporidiosis is a chronic granulomatous disease caused by Rhinosporidium seeberi. It usually affects mucous membranes of the nose, nasopharynx, and ocular conjunctiva. Cutaneous, laryngeal, tracheal, genital, and bony dissemination is rare. Laryngotracheal involvement poses many diagnostic and therapeutic challenges. A 45-year-old South Indian man presented with complaints of a mass in both nostrils for 2 years, associated with progressive hoarseness of voice and difficulty in breathing for 6 months. Rhinosporidial lesions were seen bilaterally in the nasal cavity. Telescopic and fiberoptic laryngoscopic examinations showed reddish, strawberry-like masses with whitish spots on their surface involving the larynx and trachea. Computed tomography of the head and neck revealed soft-tissue mass lesions involving the bilateral nasal cavities and nasopharynx, extending to the oropharynx and involving the larynx and trachea. A preliminary tracheostomy was performed, followed by direct laryngoscopic excision of the laryngeal lesions and rigid-bronchoscopy-guided excision of the tracheal lesions. The patient was prescribed dapsone and advised to take it for 2 years. At 2 years of follow-up, there was no recurrence.
Topics: Anti-Infective Agents; Dapsone; Humans; Laryngeal Diseases; Laryngoscopy; Male; Middle Aged; Rhinosporidiosis; Tracheal Diseases
PubMed: 23904313
DOI: 10.1177/014556131309200718 -
Annals of Palliative Medicine Feb 2022First-line medications for acne vulgaris include retinoids and antibiotics. Dapsone is a topical drug approved by the U.S. Food and Drug Administration for the treatment... (Meta-Analysis)
Meta-Analysis
BACKGROUND
First-line medications for acne vulgaris include retinoids and antibiotics. Dapsone is a topical drug approved by the U.S. Food and Drug Administration for the treatment of acne. However, due to its side effects, the clinical application of dapsone has not been promoted, and the value of the medication is still unclear. The aim of this study is to determine the efficacy and safety of dapsone gel in patients with acne.
METHODS
Systematic searches were performed using the following databases on January 4, 2020: PubMed, EMBASE, Cochrane Central Register of Controlled Trials, China National Knowledge Infrastructure (CNKI), China Biomedical Literature Service System (SinoMed), China Science and Technology Journal Database (CQVIP), and Wanfang Data Knowledge Service Platform. A meta-analysis of randomized controlled trials was then conducted to analyze the efficacy and adverse events of dapsone gel treatment compared with excipient and other drug therapies. RevMan 5.3 software was used to calculate the odds ratio (OR), and the confidence interval (CI) was 95%.
RESULTS
Data of 11,424 participants across 7 trials which met the inclusion criteria were analyzed. Meta-analysis showed that dapsone gel alone or dapsone gel combined with isotretinoin was superior to excipient alone or oral isotretinoin alone in the treatment of acne (OR =1.51, 95% CI: 1.38-1.66, P<0.0001 random effects model, I2=0%). This indicates that dapsone gel is effective for the treatment of acne. We also found that dapsone gel is a more effective treatment for females (OR =1.80, 95% CI: 1.46-2.23). There was no significant difference in the incidence of adverse events between the dapsone group and the control group (OR =0.94, 95% CI: 0.82-1.14, P=0.24 random effects model; I2=29%). The common local adverse reactions in the dapsone group, such as dryness, heat, and eczema, were not statistically significant compared with those in the control group, and the side effects were transient.
DISCUSSION
Dapsone gel is effective in treating acne, and there is no significant difference in adverse events compared with other drugs.
Topics: Acne Vulgaris; Anti-Bacterial Agents; Dapsone; Eczema; Female; Humans; Treatment Outcome; United States
PubMed: 35249339
DOI: 10.21037/apm-21-3935 -
Acta Dermato-venereologica Jan 2018Granuloma faciale is an uncommon benign chronic dermatosis characterized by reddish-brown to violaceous asymptomatic plaques appearing predominantly on the face. The... (Review)
Review
Granuloma faciale is an uncommon benign chronic dermatosis characterized by reddish-brown to violaceous asymptomatic plaques appearing predominantly on the face. The pathogenesis of granuloma faciale remains unclear, and it is frequently unresponsive to therapy. This systematic review aims to summarize all recent publications on the management of granuloma faciale. The publications are mainly individual case reports, small case series and a few retrospective studies. Treatment options included topical, intralesional and systemic corticosteroids, topical pimecrolimus and tacrolimus, topical and systemic dapsone, systemic hydroxychloroquine, clofazimine, and tumour necrosis factor-alpha inhibitors. More invasive therapies using lasers as well as cryosurgery and surgery were also reported. Topical glucocorticosteroids and tacrolimus remain treatments of first choice, possibly supplemented by topical dapsone.
Topics: Adrenal Cortex Hormones; Calcineurin Inhibitors; Cryosurgery; Dapsone; Facial Dermatoses; Granuloma; Humans; Laser Therapy
PubMed: 28880343
DOI: 10.2340/00015555-2784 -
Archives of Disease in Childhood.... Jun 2022A 3-year-old boy presented with a 5-day history of bullous skin lesions localised mainly in the upper and lower limbs and in the genital region (figure 1). Lesions were...
A 3-year-old boy presented with a 5-day history of bullous skin lesions localised mainly in the upper and lower limbs and in the genital region (figure 1). Lesions were not pruritic nor painful and showed a central crust. There was no family history of skin disorders or autoimmune diseases. The child never had fever and his physical examination was otherwise unremarkable.
Topics: Biopsy; Child; Child, Preschool; Dapsone; Exanthema; Humans; Immunoglobulin A; Male
PubMed: 33214238
DOI: 10.1136/archdischild-2020-319179