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1.
Am J Trop Med Hyg ; 103(1): 308-314, 2020 07.
Artigo em Inglês | MEDLINE | ID: mdl-32394874

RESUMO

Visceral leishmaniasis (VL) is endemic in Asia, East and North Africa, South America, and Southern Europe, and is a major public health problem in the Indian subcontinent. Miltefosine received approval in 2002 to treat VL in India, and the Indian National Vector Borne Disease Control Programme later adopted a single dose (10 mg/kg) of liposomal amphotericin B. We report results of a randomized trial comparing the efficacy of combination therapy with an Indian preparation of liposomal amphotericin B (single dose of 7.5 mg/kg) and short-course miltefosine (2.5 mg/kg/day for 14 days; n = 66) in comparison to miltefosine monotherapy (2.5 mg/kg/day for 28 days; n = 78). Nine patients in the miltefosine group and three in the combination therapy group had to discontinue therapy because of serious adverse events. At the end of the therapy, the clinical and parasitological cure rate was 100% in both groups. By per-protocol analysis, by 6 months after completion of treatment, 12 of 69 patients in the miltefosine monotherapy arm (17.4%, 95% CI: 10.24-28%) and none in the combination therapy arm had relapse. Over 5 years of follow-up, 10 patients in the miltefosine monotherapy arm (all within 0.5-2 years after completing therapy) and none in the combination therapy arm experienced post-kala-azar dermal leishmaniasis. Combination therapy offered benefits over miltefosine monotherapy for VL in India.


Assuntos
Anfotericina B/uso terapêutico , Antiprotozoários/uso terapêutico , Leishmaniose Visceral/tratamento farmacológico , Fosforilcolina/análogos & derivados , Adolescente , Adulto , Idoso , Anfotericina B/administração & dosagem , Antiprotozoários/administração & dosagem , Criança , Quimioterapia Combinada , Feminino , Humanos , Índia , Leishmania donovani , Masculino , Pessoa de Meia-Idade , Fosforilcolina/administração & dosagem , Fosforilcolina/uso terapêutico , Adulto Jovem
2.
Drug Discov Ther ; 13(5): 294-296, 2019 Nov 14.
Artigo em Inglês | MEDLINE | ID: mdl-31656251

RESUMO

Graham Little Piccardi Lassueur syndrome (GLPLS) is a rare dermatosis characterized by patchy cicatricial alopecia of scalp, rapidly developing keratosis pilaris like follicular papules over trunk and extremities, and noncicatricial loss of axillary and pubic hair. This syndrome which is mostly seen in middle aged post-menopausal females (between ages 30-70)has rarely ever been described in the pediatric age group. We report a case of a 15 year old girl presenting to us with this rare syndrome.


Assuntos
Alopecia/complicações , Ceratose/complicações , Adolescente , Feminino , Humanos , Síndrome
3.
J Assoc Physicians India ; 66(1): 98-9, 2018 01.
Artigo em Inglês | MEDLINE | ID: mdl-30341854

RESUMO

A 22 year old male Indian patient presented with high grade fever, multiple joint pain, low back pain, generalized body ache since 6 months and erythematous pruritic rashes and atypical annular target like lesions over face, arm, leg and back and ulcers on hard palate and buccal mucosa for 2 months. Laboratory investigations showed a speckled pattern anti-nuclear antibody with a titer >1:160 and positive SS-A, dsDNA auto-antibodies and Rheumatoid factor. Diagnosis of Rowell's syndrome was made based on clinical and laboratory finding and the patient was treated with oral prednisolone (50 mg/day), hydroxychloroquine (200 mg q12h) and pulse cyclophosphamide (700 mg) chemotherapy. Majority of skin lesions and oral ulcerations subsided after 4 weeks of therapy. Till date only 11 male patients out of the total 71 cases of Rowell's syndrome were reported in the world's literature.


Assuntos
Eritema Multiforme/etiologia , Lúpus Eritematoso Sistêmico/diagnóstico , Anticorpos Antinucleares/sangue , Humanos , Masculino , Adulto Jovem
4.
Transl Res ; 186: 62-78.e9, 2017 08.
Artigo em Inglês | MEDLINE | ID: mdl-28683259

RESUMO

Patients infected with Dengue virus usually present a mild, self-limiting febrile dengue infection (DI) that occasionally leads to a potentially lethal complication, called the severe dengue (DS). The ability to identify the prognostic markers of DS could allow an improved disease intervention and management. To identify the transcriptional signatures associated with the dengue disease progression, we carried out the high-throughput sequencing of the RNA isolated from the peripheral blood mononuclear cells (PBMCs) of the dengue patients of varying severity and compared with that in the patients with other febrile illnesses (OFIs) or the healthy controls. The transcriptional signatures that discriminated the DS patients from OFI and DI patients were broadly related to the pathways involving glycine, serine, and threonine metabolisms, extracellular matrix organization, ubiquitination, and cytokines and inflammatory response. Several upregulated genes in the inflammatory process (MPO, DEFA4, ELANE, AUZ1, CTSG, OLFM4, SLC16A14, and CRISP3) that were associated with the dengue disease progression are known to facilitate leukocyte-mediated migration, and neutrophil activation and degranulation process. High activity of MPO and ELANE in the plasma samples of the follow-up and recovered dengue patients, as well as and the presence of a larger amount of cell-free dsDNA in the DS patients, suggested an association of neutrophil-mediated immunity with dengue disease progression. Careful monitoring of some of these gene transcripts, and control of the activity of proteins encoded by them, may have a great translational significance for the prognosis and management of the dengue patients.


Assuntos
Dengue/patologia , Regulação da Expressão Gênica , Transcrição Gênica , Adolescente , Adulto , Sequência de Bases , Criança , Dengue/metabolismo , Vírus da Dengue/classificação , Vírus da Dengue/isolamento & purificação , Feminino , Humanos , Leucócitos Mononucleares , Masculino , RNA/genética , RNA/metabolismo , Transcriptoma , Adulto Jovem
5.
J Assoc Physicians India ; 65(12): 93-95, 2017 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-31556280

RESUMO

Systemic sclerosis (SSc) is a multisystem connective tissue disease affecting skin and internal organs. Certain drugs, environmental toxins and some viruses have been implicated in SSc-like illnesses. Scleroderma may be associated with some connective tissue disorders or autoimmune diseases but coexistence of scleroderma with multiple myeloma (MM) is an unusual finding. We here report a case of a 59 years old female patient with 5 months history of progressive thickening of skin all over the body. Multiple myeloma was diagnosed by osteolytic lesion in skull X-ray, increase in clonal plasma cells by bone marrow biopsy, very high Kappa light chain in serum light chain assay and detection of M band by serum protein electrophoresis.

6.
Am J Trop Med Hyg ; 96(2): 285-291, 2017 Feb 08.
Artigo em Inglês | MEDLINE | ID: mdl-27879457

RESUMO

Coinfection with visceral leishmaniasis (VL) and human immunodeficiency virus (HIV) leads to frequent treatment failure, relapse, and death. In this retrospective analysis from eastern India (2005-2015), our primary objective was to ascertain the protective efficacy of secondary prophylaxis with monthly amphotericin B (AmB) given in patients with HIV-VL coinfection toward reducing relapse and mortality rates. The secondary objective was to compare clinical features, laboratory findings, and treatment outcomes in HIV-VL patients in contrast to VL monoinfection. Overall, 53 cases of HIV-VL and 460 cases of VL monoinfection were identified after excluding incomplete records. Initial cure rate was 96.23% in HIV-VL (27 received liposomal AmB and 26 AmB deoxycholate). All patients with initial cure (N = 51) were given antiretroviral therapy. Secondary prophylaxis (N = 27) was provided with monthly 1 mg/kg AmB (15 liposomal, 12 deoxycholate). No relapse or death was noted within 6 months in the secondary prophylaxis group (relapse: none versus 18/24 [75%]; mortality: none versus 11/24 [45.8%]; P < 0.001 for both). Secondary prophylaxis remained the sole significant predictor against death in multivariate Cox regression model (hazard ratio = 0.09 [95% confidence interval = 0.03-0.31]; P < 0.001). HIV-VL patients had higher 6-month relapse rate, less relapse-free 12-month survival, and higher mortality (P < 0.001 each) than VL monoinfection. In conclusion, it appears from this study that secondary prophylaxis with monthly AmB might be effective in preventing relapse and mortality in HIV-VL.


Assuntos
Coinfecção/prevenção & controle , Infecções por HIV/complicações , Leishmaniose Visceral/prevenção & controle , Adulto , Anfotericina B/uso terapêutico , Antiprotozoários/uso terapêutico , Feminino , Infecções por HIV/diagnóstico , Infecções por HIV/parasitologia , Humanos , Índia , Leishmaniose Visceral/complicações , Leishmaniose Visceral/diagnóstico , Masculino , Estudos Retrospectivos , Prevenção Secundária/métodos
7.
Am J Trop Med Hyg ; 94(1): 93-8, 2016 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-26526926

RESUMO

India bears the burden of about half of global visceral leishmaniasis (VL) cases with emerging problems of stibanate resistance. Liposomal preparations have improved treatment outcome through shorter duration of therapy and lower toxicity compared with conventional amphotericin B. We report the efficacy of two short-course regimens of an Indian preparation of liposomal amphotericin B (Fungisome™) for VL caused by Leishmania donovani in India. An open-label, randomized, single-center comparative study was undertaken from 2008 to 2011, involving 120 treatment naive non-human immunodeficiency virus VL patients randomly allocated to two groups. Fungisome™ was given, in groups A (N = 60), 5 mg/kg daily for 2 days and B (N = 60), 7.5 mg/kg daily for 2 days, as intravenous infusion. Initial cure rate was 100% in both the groups after 1 month posttreatment. At 6 months after completion of treatment, definitive cure rate was group A 90% (54/60, 95% confidence interval (CI): 80.55-95.72%); group B: 100% (95% CI: 95.92-100%); (P = 0.027). No serious adverse events occurred in either group. The short-course, 2-day regimen of 15 mg/kg Fungisome™ infusion is easy to administer, effective, and safe for treatment of VL caused by L. donovani in India.


Assuntos
Anfotericina B/uso terapêutico , Antiprotozoários/uso terapêutico , Leishmaniose Visceral/tratamento farmacológico , Adolescente , Adulto , Anfotericina B/administração & dosagem , Antiprotozoários/administração & dosagem , Criança , Pré-Escolar , Esquema de Medicação , Feminino , Humanos , Índia/epidemiologia , Leishmaniose Visceral/epidemiologia , Masculino , Adulto Jovem
8.
Int J STD AIDS ; 26(12): 864-9, 2015 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-25411350

RESUMO

The current standard treatment for cerebral toxoplasmosis (pyrimethamine/sulfadiazine) often encounters problems of poor tolerability, adverse effects, frequent dropouts and non-availability of pyrimethamine/sulfadiazine in some parts of India. We have had to use the combination of two effective alternative agents for toxoplasmosis, cotrimoxazole and clindamycin, on compassionate grounds. This retrospective observational study reports superior efficacy and better tolerability of cotrimoxazole/clindamycin compared to the recommended regimen. Primary end-point (complete response) was defined as more than 50% improvement of clinical status or more than 50% decrease in the size of brain lesions after two weeks of treatment initiation. Complete response occurred more commonly with cotrimoxazole/clindamycin than with pyrimethamine/sulfadiazine group (80% vs. 31.25%, respectively, relative risk 2.56, 95% confidence interval: 1.21-5.43). There was a trend towards higher on-treatment mortality in the pyrimethamine/sulfadiazine group in comparison to the cotrimoxazole/clindamycin (mortality rate 37.5% in pyrimethamine/sulfadiazine vs 12% in cotrimoxazole/clindamycin, p = 0.07, relative risk = 3.125, 95% confidence interval: 0.91-10.75). Overall, 62.5% (10/16) of patients on pyrimethamine/sulfadiazine suffered drug-related adverse reactions compared to 24% (6/25) on cotrimoxazole/clindamycin (p = 0.02, relative risk = 2.60, 95% confidence interval: 1.17-5.76). The commonest complication of pyrimethamine/sulfadiazine was severe thrombocytopenia with major bleeding (4/16, 25%). We propose that the new combination chemotherapy, which is widely available, effective and safe, can be used in developing countries.


Assuntos
Infecções Oportunistas Relacionadas com a AIDS/tratamento farmacológico , Anti-Infecciosos/administração & dosagem , Clindamicina/administração & dosagem , Pirimetamina/administração & dosagem , Sulfadiazina/administração & dosagem , Toxoplasmose Cerebral/tratamento farmacológico , Combinação Trimetoprima e Sulfametoxazol/administração & dosagem , Infecções Oportunistas Relacionadas com a AIDS/epidemiologia , Adulto , Idoso , Anti-Infecciosos/uso terapêutico , Clindamicina/uso terapêutico , Feminino , Humanos , Índia/epidemiologia , Masculino , Pessoa de Meia-Idade , Pobreza , Pirimetamina/uso terapêutico , Estudos Retrospectivos , Sulfadiazina/uso terapêutico , Toxoplasmose Cerebral/diagnóstico , Toxoplasmose Cerebral/mortalidade , Combinação Trimetoprima e Sulfametoxazol/uso terapêutico
9.
Indian J Hematol Blood Transfus ; 30(Suppl 1): 208-11, 2014 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-25332580

RESUMO

Coeliac disease is a systemic autoimmune disorder with major intestinal manifestations. It has multiple hematologic associations including anaemia (mostly due to iron, folate and/or vitamin B12 malabsorption), other cytopenias, coagulation abnormalities, hyposplenism, IgA deficiency and lymphomas. Aplastic anaemia has however, only rarely been described with celiac disease in published literature. We here present a case of atypical coeliac disease in a 40 year male Indian patient, with insignificant gastrointestinal symptoms, presenting with aplastic anaemia manifested by pancytopenia with hypocellular bone marrow. On gluten free diet, his symptoms like weakness, fatigue and malaise were relieved-blood and platelet transfusion requirement also diminished.

13.
Emerg Infect Dis ; 17(5): 907-9, 2011 May.
Artigo em Inglês | MEDLINE | ID: mdl-21529409

RESUMO

An intrafamilial outbreak in West Bengal, India, involving 5 deaths and person-to-person transmission was attributed to Nipah virus. Full-genome sequence of Nipah virus (18,252 nt) amplified from lung tissue showed 99.2% nt and 99.8% aa identity with the Bangladesh-2004 isolate, suggesting a common source of the virus.


Assuntos
Genoma Viral/genética , Infecções por Henipavirus/virologia , Vírus Nipah/genética , Adulto , Substituição de Aminoácidos/genética , Feminino , Infecções por Henipavirus/mortalidade , Infecções por Henipavirus/transmissão , Humanos , Índia , Masculino , Dados de Sequência Molecular , Vírus Nipah/isolamento & purificação , Filogenia , Proteínas Virais/genética
14.
J Invest Dermatol ; 130(4): 1013-22, 2010 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-20032994

RESUMO

Indian post-kala-azar dermal leishmaniasis (PKDL) is a low-frequency (5-10%) dermal sequela of visceral leishmaniasis (VL) caused by Leishmania donovani; importantly, affected individuals are speculated to be parasite reservoirs. Insight into its immunopathogenesis could translate into rational immunomodulatory therapeutic approaches against leishmaniases. In patients with PKDL (n=21), peripheral lymphocytes were analyzed for surface markers, intracellular cytokines, and lymphoproliferative responses using flow cytometry. In lesional tissue biopsies (n=12), expression of counter-regulatory cytokines (IFN-gamma and IL-10) and the T-regulatory transcription factor forkhead box protein 3 (Foxp3) was analyzed using reverse transcriptase-PCR, along with immunohistochemical detection (n=8) of CD3 and Foxp3 positivity. In patients with PKDL, circulating CD8(+)CD28(-) and antigen-induced IL-10(+)CD3(+) lymphocytes were increased and receded with treatment. CD8(+) lymphocytes showed impaired proliferative responses to L. donovani antigen (LDA) and phytohemagglutinin, which were reinstated after treatment. At presentation, the upregulated lesional IFN-gamma and IL-10 messenger RNA (mRNA), Foxp3 mRNA, and protein were curtailed after treatment. In Indian patients with PKDL, increased frequency of the CD8(+)CD28(-) phenotype, enhanced antigen-specific IL-10 production, and accompanying anergy of circulating lymphocytes suggest their regulatory nature. Furthermore, the concomitantly elevated lesional expression of Foxp3 suggests their possible recruitment into the lesional site, which would sustain disease pathology.


Assuntos
Fatores de Transcrição Forkhead , Leishmania donovani/imunologia , Leishmaniose Cutânea/imunologia , Leishmaniose Visceral/imunologia , Linfócitos T Reguladores/fisiologia , Linfócitos T Reguladores/parasitologia , Adulto , Antígenos de Protozoários/imunologia , Antígenos CD28/metabolismo , Complexo CD3/metabolismo , Antígenos CD8/metabolismo , Linfócitos T CD8-Positivos/parasitologia , Linfócitos T CD8-Positivos/fisiologia , Derme/imunologia , Derme/parasitologia , Derme/patologia , Feminino , Fatores de Transcrição Forkhead/genética , Fatores de Transcrição Forkhead/imunologia , Fatores de Transcrição Forkhead/metabolismo , Humanos , Índia , Interferon gama/metabolismo , Interleucina-10/metabolismo , Leishmaniose Cutânea/patologia , Leishmaniose Cutânea/fisiopatologia , Leishmaniose Visceral/patologia , Leishmaniose Visceral/fisiopatologia , Masculino , Proteínas de Membrana/metabolismo , Pessoa de Meia-Idade , RNA Mensageiro/metabolismo
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