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1.
Sex Transm Dis ; 50(7): 452-454, 2023 07 01.
Artigo em Inglês | MEDLINE | ID: mdl-36940199

RESUMO

ABSTRACT: Trichomoniasis is the most common nonviral sexually transmitted infection. 1 For patients with resistance to standard treatment with 5-nitroimidazoles, alternative therapies are limited. We present a case of a 34-year-old woman with multidrug-resistant trichomoniasis who was successfully treated with 600 mg intravaginal boric acid twice daily for 3 months.


Assuntos
Infecções Sexualmente Transmissíveis , Tricomoníase , Vaginite por Trichomonas , Trichomonas vaginalis , Feminino , Humanos , Adulto , Vaginite por Trichomonas/diagnóstico , Vaginite por Trichomonas/tratamento farmacológico , Ácidos Bóricos , Infecções Sexualmente Transmissíveis/tratamento farmacológico
2.
BMC Complement Med Ther ; 20(1): 271, 2020 Sep 09.
Artigo em Inglês | MEDLINE | ID: mdl-32907567

RESUMO

Human trichomoniasis, caused by the pathogenic parasitic protozoan Trichomonas vaginalis, is the most common non-viral sexually transmitted disease that contributes to reproductive morbidity in affected women and possibly to prostate cancer in men. Tritrichomonas foetus strains cause the disease trichomoniasis in farm animals (cattle, bulls, pigs) and diarrhea in domestic animals (cats and dogs). Because some T. vaginalis strains have become resistant to the widely used drug metronidazole, there is a need to develop alternative treatments, based on safe natural products that have the potential to replace and/or enhance the activity of lower doses of metronidazole. To help meet this need, this overview collates and interprets worldwide reported studies on the efficacy of structurally different classes of food, marine, and medicinal plant extracts and some of their bioactive pure compounds against T. vaginalis and T. foetus in vitro and in infected mice and women. Active food extracts include potato peels and their glycoalkaloids α-chaconine and α-solanine, caffeic and chlorogenic acids, and quercetin; the tomato glycoalkaloid α-tomatine; theaflavin-rich black tea extracts and bioactive theaflavins; plant essential oils and their compounds (+)-α-bisabolol and eugenol; the grape skin compound resveratrol; the kidney bean lectin, marine extracts from algae, seaweeds, and fungi and compounds that are derived from fungi; medicinal extracts and about 30 isolated pure compounds. Also covered are the inactivation of drug-resistant T. vaginalis and T. foetus strains by sensitized light; anti-trichomonad effects in mice and women; beneficial effects of probiotics in women; and mechanisms that govern cell death. The summarized findings will hopefully stimulate additional research, including molecular-mechanism-guided inactivations and human clinical studies, that will help ameliorate adverse effects of pathogenic protozoa.


Assuntos
Organismos Aquáticos , Óleos Voláteis/farmacologia , Extratos Vegetais/farmacologia , Infecções por Protozoários/tratamento farmacológico , Vaginite por Trichomonas/tratamento farmacológico , Animais , Feminino , Humanos , Estrutura Molecular , Óleos Voláteis/química , Extratos Vegetais/química , Plantas Medicinais , Trichomonas vaginalis/efeitos dos fármacos , Tritrichomonas foetus/efeitos dos fármacos
3.
J Infect Dev Ctries ; 14(7): 793-799, 2020 07 31.
Artigo em Inglês | MEDLINE | ID: mdl-32794472

RESUMO

INTRODUCTION: Trichomoniasis is a worldwide sexually transmitted disease caused by Trichomonas vaginalis. It inflicts severe complications to the human genitourinary system. The devastating negative effects and the emergence of resistance to common medication impose the search for safer and effective alternatives. This research aimed to investigate the effect of the Allium sativum, Nigella sativa crude extracts (NsCE) and the combination between their most effective doses with metronidazole. METHODOLOGY: Vaginal swabs were obtained from symptomatic patients, and cultured on Diamond's medium. Assessment of various concentrations of these herbs at different follow-up periods was done by counting the number of dead T. vaginalis trophozoites using the hemocytometer and trypan blue staining. Transmission electron microscope study was done. RESULTS: NsCE 9 mg/mL yielded the highest lethal effect on T. vaginalis trophozoites after 72 hours, compared with metronidazole. Combination of NsCE 9 mg/mL and metronidazole 50 µg/mL gave the best result. Additionally, Tomex90 µg/mL, represents a tolerable effect after 72 hours, but metronidazole 100 µg/mL still has higher effect. These results were confirmed by the ultrastructural changes observed in T. vaginalis trophozoites, signifying severe damage of nucleus and cytoplasm with large vacuolization and cell membrane defects. CONCLUSIONS: NsCE is a promising anti-Trichomonas especially its combination with metronidazole which showed a high synergistic effect.


Assuntos
Antiprotozoários/farmacologia , Extratos Vegetais/farmacologia , Trichomonas vaginalis/efeitos dos fármacos , Animais , Relação Dose-Resposta a Droga , Combinação de Medicamentos , Feminino , Alho/química , Humanos , Metronidazol/farmacologia , Nigella sativa/química , Testes de Sensibilidade Parasitária , Plantas Medicinais , Infecções Sexualmente Transmissíveis/parasitologia , Fatores de Tempo , Vaginite por Trichomonas/parasitologia , Trichomonas vaginalis/crescimento & desenvolvimento , Trichomonas vaginalis/ultraestrutura , Vagina/parasitologia
4.
Medicine (Baltimore) ; 98(35): e16895, 2019 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-31464920

RESUMO

RATIONALE: Methotrexate (MTX) is an antimetabolite of folic acid, which is used for management of ectopic pregnancy. MTX-related toxicity may include cutaneous mucosal damage, bone marrow suppression, gastrointestinal disorders (gastritis, diarrhea, hematitis), liver and kidney function damage, pulmonary toxicity, cardiac toxicity, and nerve toxicity. However, it is not usual for vulvar edema induced by low-dose methotrexate. PATIENT CONCERNS: In this case report, we described a patient with severe vulvar edema and oral cavity ulceration and scalp ulceration induced by low-dose MTX treatment for ectopic pregnancy. Her presenting complaints were pain in the vulva, oral cavity, and scalp. DIAGNOSES: The patient was diagnosed based on clinical findings for MTX toxic reactions. INTERVENTIONS: Vulva was disinfectioned with iodide and Kangfuxin solution, her mouth was rinsed with mouthwash. Three compound glycyrrhizin tablets were orally administered (3 times/day). After 10 days, the broken skin and mucous membrane healed. OUTCOMES: The vulvar edema and oral cavity ulceration and scalp ulceration healed. LESSONS: Our study demonstrated that even low-dose MTX can be induced skin and mucosal injury, patients and doctors should timely detection of drug toxicity reactions, immediately rescue, prompt discontinuation of medication, and symptomatic treatment to avoid accidental occurrence.


Assuntos
Metotrexato/administração & dosagem , Metronidazol/administração & dosagem , Gravidez Ectópica/tratamento farmacológico , Vaginite por Trichomonas/tratamento farmacológico , Doenças da Vulva/induzido quimicamente , Dor Abdominal/etiologia , Administração Oral , Adulto , China , Feminino , Ácido Glicirrízico/administração & dosagem , Ácido Glicirrízico/uso terapêutico , Humanos , Injeções Intramusculares , Materia Medica/administração & dosagem , Materia Medica/uso terapêutico , Metotrexato/efeitos adversos , Metronidazol/uso terapêutico , Gravidez , Gravidez Ectópica/diagnóstico , Resultado do Tratamento , Hemorragia Uterina/etiologia , Doenças da Vulva/tratamento farmacológico
5.
Int J Antimicrob Agents ; 53(2): 116-127, 2019 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-30612993

RESUMO

Trichomonas vaginalis is the causative agent of the most common non-viral sexually transmitted disease worldwide. The infection may be associated with severe complications, including infertility, preterm labour, cancer and an increased risk of human immunodeficiency virus (HIV) transmission. Treatment remains almost exclusively based on 5-nitroimidazoles, but resistance is on the rise. This article provides an overview of clinically evaluated systemic and topical treatment options for human trichomoniasis and summarises the current state of knowledge on various herbal, semisynthetic and synthetic compounds evaluated for their anti-Trichomonas efficacy in vitro.


Assuntos
Antiprotozoários/uso terapêutico , Resistência a Medicamentos/genética , Infecções Sexualmente Transmissíveis/tratamento farmacológico , Vaginite por Trichomonas/tratamento farmacológico , Trichomonas vaginalis/efeitos dos fármacos , Trichomonas vaginalis/genética , Feminino , Humanos , Iridaceae/química , Lamiaceae/química , Metronidazol/uso terapêutico , Nifuratel/uso terapêutico , Extratos Vegetais/farmacologia , Infecções Sexualmente Transmissíveis/parasitologia
6.
Int J STD AIDS ; 29(8): 825-827, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-29393008

RESUMO

This study presents a case report of a female patient with symptomatic refractory Trichomonas vaginalis infection who was not able to clear her infection with high-dose oral metronidazole, oral tinidazole, intra-vaginal zinc sulfate, intra-vaginal metronidazole, intra-vaginal tinidazole, and intra-vaginal boric acid. She was unable to tolerate intra-vaginal paromomycin. A combination of intravenous metronidazole, oral tinidazole liquid suspension, and intra-vaginal boric acid for 14 days subsequently achieved a complete symptomatic and laboratory cure.


Assuntos
Antiprotozoários/administração & dosagem , Antitricômonas/administração & dosagem , Ácidos Bóricos/administração & dosagem , Metronidazol/administração & dosagem , Tinidazol/administração & dosagem , Vaginite por Trichomonas/tratamento farmacológico , Trichomonas vaginalis/efeitos dos fármacos , Administração Intravaginal , Administração Intravenosa , Adulto , Antiprotozoários/uso terapêutico , Antitricômonas/uso terapêutico , Ácidos Bóricos/uso terapêutico , Feminino , Derivação Gástrica , Humanos , Metronidazol/uso terapêutico , Tinidazol/uso terapêutico , Resultado do Tratamento , Trichomonas vaginalis/isolamento & purificação
7.
Chem Biol Drug Des ; 90(5): 811-819, 2017 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-28390095

RESUMO

Trichomonas vaginalis causes trichomoniasis, a neglected sexually transmitted disease. Due to severe health consequences and treatment failure, new therapeutic alternatives are crucial. Phloroglucinols from southern Brazilian Hypericum species demonstrated anti-T. vaginalis and anti-Leishmania amazonensis activities. The modulation of biochemical pathways involved in the control of inflammatory response by ectonucleotidases, NTPDase, and ecto-5'-nucleotidase represents new targets for combating protozoa. This study investigated the activity of phloroglucinol derivatives of Hypericum species from southern Brazil against T. vaginalis as well as its ability on modulating parasite ectonucleotidases and, consequently, immune parameters through ATP and adenosine effects. Phloroglucinol derivatives screening revealed activity for isoaustrobrasilol B (IC50 38 µm) with no hemolytic activity. Although the most active compound induced cytotoxicity against a mammalian cell lineage, the in vivo model evidenced absence of toxicity. Isoaustrobrasilol B significantly inhibited NTPDase and ecto-5'-nucleotidase activities, and the immune modulation attributed to extracellular nucleotide accumulation was evaluated. The production of ROS and IL-6 by T. vaginalis-stimulated neutrophils was not affected by the treatment. Conversely, IL-8 levels were significantly enhanced. The associative mechanism of trophozoites death and ectonucleotidases modulation by isoaustrobrasilol B may increase the susceptibility of T. vaginalis to host innate immune cell like neutrophils consequently, contributing to parasite clearance.


Assuntos
Antiparasitários/farmacologia , Floroglucinol/análogos & derivados , Vaginite por Trichomonas/tratamento farmacológico , Trichomonas vaginalis/efeitos dos fármacos , Antiparasitários/química , Linhagem Celular , Feminino , Humanos , Hidrólise/efeitos dos fármacos , Hypericum/química , Nucleotídeos/metabolismo , Floroglucinol/química , Floroglucinol/farmacologia , Vaginite por Trichomonas/parasitologia , Trichomonas vaginalis/fisiologia
8.
Chem Biol Drug Des ; 90(4): 489-495, 2017 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-28296056

RESUMO

A bisoxyphenylene-bisbenzimidazole series with increasing aliphatic chain length (CH2 to C10 H20 ) containing a meta- (m) or para (p)-benzimidazole linkage to the phenylene ring was tested for ability to inhibit the growth of metronidazole-susceptible (C1) and metronidazole-refractory (085) Trichomonas vaginalis isolates under aerobic and anaerobic conditions. Compound 3m, 2,2'-[α,ω-propanediylbis(oxy-1,3-phenylene)]bis-1H-benzimidazole, displayed a 5.5-fold lower minimum inhibitory concentration (MIC) toward T. vaginalis isolate 085 than metronidazole under aerobic growth conditions, (26 µm compared to 145 µm). A dose of 25 mg/kg per day for four days of compound 3m cured a subcutaneous mouse model infection using T. vaginalis isolates 286 (metronidazole susceptible) and 085 (metronidazole refractory). Compound 3m was weakly reduced by pyruvate:ferredoxin oxidoreductase, but unlike metronidazole was not dependent upon added ferredoxin. It is concluded from structure-activity relationships that there was no obvious trend based on the length of the central aliphatic chain, or the steric position of the bisbenzimidazole enabling prediction of biological activity. The compounds generally fulfill Lipinski's rile of five, indicating their potential as drug leads.


Assuntos
Antiprotozoários/química , Antiprotozoários/uso terapêutico , Bisbenzimidazol/análogos & derivados , Bisbenzimidazol/uso terapêutico , Resistência a Medicamentos , Vaginite por Trichomonas/tratamento farmacológico , Trichomonas vaginalis/efeitos dos fármacos , Animais , Antiprotozoários/farmacologia , Bisbenzimidazol/farmacologia , Linhagem Celular Tumoral , Feminino , Humanos , Metronidazol/farmacologia , Camundongos , Testes de Sensibilidade Microbiana , Trichomonas vaginalis/crescimento & desenvolvimento
9.
Biomed Res Int ; 2015: 683640, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26266260

RESUMO

Effect of Zataria multiflora on bacterial vaginosis and Trichomonas vaginalis is shown in vivo and in vitro. We compare the effectiveness of Zataria multiflora cream and oral metronidazole pill on results of treatment for vaginal infections including Trichomonas and bacterial vaginosis; these infections occur simultaneously. The study included 420 women with bacterial vaginosis, Trichomonas vaginalis, or both infections together, who were randomly divided into six groups. Criteria for diagnosis were wet smear and Gram stain. Vaginal Zataria multiflora cream and placebo pill were administered to the experiment groups; the control group received oral metronidazole pill and vaginal placebo cream. Comparison of the clinical symptoms showed no significant difference in all three vaginitis groups receiving metronidazole pill and vaginal Zataria multiflora cream. However, comparison of the wet smear test results was significant in patients with trichomoniasis and bacterial vaginosis associated with trichomoniasis in the two treatment groups (p = 0.001 and p = 0.01). Vaginal Zataria multiflora cream had the same effect of oral metronidazole tablets in improving clinical symptoms of all three vaginitis groups, as well as the treatment for bacterial vaginosis. It can be used as a drug for treatment of bacterial vaginosis and elimination of clinical symptoms of Trichomonas vaginitis.


Assuntos
Lamiaceae/química , Metronidazol/uso terapêutico , Extratos Vegetais/uso terapêutico , Reprodução , Vaginite por Trichomonas/tratamento farmacológico , Vaginose Bacteriana/tratamento farmacológico , Administração Intravaginal , Administração Oral , Feminino , Humanos , Metronidazol/administração & dosagem , Pomadas , Comprimidos , Resultado do Tratamento , Vaginite por Trichomonas/microbiologia , Vaginose Bacteriana/microbiologia
10.
Adv Drug Deliv Rev ; 92: 105-22, 2015 Sep 15.
Artigo em Inglês | MEDLINE | ID: mdl-26144995

RESUMO

Vaginal infections are extremely prevalent, particularly among women of reproductive age. Although they do not result in high mortality rates, these infections are associated with high levels of anxiety and reduction of quality of life. In most cases, topical treatment of vaginal infections has been shown to be at least as effective as oral treatment, resulting in higher local drug concentrations, with fewer drug interactions and adverse effects. Furthermore, the emergence of microbial resistance to chemotherapeutics and the difficulties in managing infection recurrences sustain the need for more effective local treatments. However, conventional dosage forms have been associated with low retention in the vagina and discomfort. Formulation strategies such as the development of bioadhesive, thermogelling systems and microtechnological or nanotechnological approaches have been proposed to improve delivery of traditional drugs, and other treatment modalities such as new drugs, plant extracts, and probiotics are being studied. This article reviews the recent strategies studied to improve the treatment and prevention of the commonest vaginal infections-namely, vaginal bacteriosis, aerobic vaginitis, vulvovaginal candidosis, and trichomoniasis-through the intravaginal route.


Assuntos
Antibacterianos/administração & dosagem , Sistemas de Liberação de Medicamentos/métodos , Tecnologia Farmacêutica/métodos , Cremes, Espumas e Géis Vaginais/administração & dosagem , Vaginite/tratamento farmacológico , Administração Intravaginal , Antibacterianos/farmacocinética , Antibacterianos/uso terapêutico , Candidíase Vulvovaginal/tratamento farmacológico , Feminino , Humanos , Óleos Voláteis/uso terapêutico , Probióticos/uso terapêutico , Vaginite por Trichomonas/tratamento farmacológico , Vagina/fisiologia , Absorção Vaginal , Cremes, Espumas e Géis Vaginais/farmacocinética , Cremes, Espumas e Géis Vaginais/uso terapêutico , Vaginose Bacteriana/tratamento farmacológico
11.
J Obstet Gynaecol Can ; 37(3): 266-274, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-26001874

RESUMO

OBJECTIVE: To review the evidence and provide recommendations on screening for and management of vulvovaginal candidiasis, trichomoniasis, and bacterial vaginosis. OUTCOMES: OUTCOMES evaluated include the efficacy of antibiotic treatment, cure rates for simple and complicated infections, and the implications of these conditions in pregnancy. EVIDENCE: Published literature was retrieved through searches of MEDLINE, EMBASE, CINAHL, and The Cochrane Library in June 2013 using appropriate controlled vocabulary (e.g., vaginitis, trichomoniasis, vaginal candidiasis) and key words (bacterial vaginosis, yeast, candidiasis, trichomonas vaginalis, trichomoniasis, vaginitis, treatment). Results were restricted to systematic reviews, randomized control trials/controlled clinical trials, and observational studies. There were no date limits, but results were limited to English or French language materials. Searches were updated on a regular basis and incorporated in the guideline to May 2014. Grey (unpublished) literature was identified through searching the websites of health technology assessment and health technology-related agencies, clinical practice guideline collections, and national and international medical specialty societies. VALUES: The quality of evidence in this document was rated using the criteria described in the Report of the Canadian Task Force on Preventive Health Care (Table 1). Summary Statements 1. Vulvovaginal candidiasis affects 75% of women at least once. Topical and oral antifungal azole medications are equally effective. (I) 2. Recurrent vulvovaginal candidiasis is defined as 4 or more episodes per year. (II-2) 3. Trichomonas vaginalis is a common non-viral sexually transmitted infection that is best detected by antigen testing using vaginal swabs collected and evaluated by immunoassay or nucleic acid amplification test. (II-2) 4. Cure rates are equal at up to 88% for trichomoniasis treated with oral metronidazole 2 g once or 500 mg twice daily for 7 days. Partner treatment, even without screening, enhances cure rates. (I-A) 5. Current evidence of the efficacy of alternative therapies for bacterial vaginosis (probiotics, vitamin C) is limited. (I) Recommendations 1. Following initial therapy, treatment success of recurrent vulvovaginal candidiasis is enhanced by maintenance of weekly oral fluconazole for up to 6 months. (II-2A) 2. Symptomatic vulvovaginal candidiasis treated with topical azoles may require longer courses of therapy to be resolved. (1-A) 3. Test of cure following treatment of trichomoniasis with oral metronidazole is not recommended. (I-D) 4. Higher-dose therapy may be needed for treatment-resistant cases of trichomoniasis. (I-A) 5. In pregnancy, treatment of symptomatic Trichomonas vaginalis with oral metronidazole is warranted for the prevention of preterm birth. (I-A) 6. Bacterial vaginosis should be diagnosed using either clinical (Amsel's) or laboratory (Gram stain with objective scoring system) criteria. (II-2A) 7. Symptomatic bacterial vaginosis should be treated with oral metronidazole 500 mg twice daily for 7 days. Alternatives include vaginal metronidazole gel and oral or vaginal clindamycin cream. (I-A) 8. Longer courses of therapy for bacterial vaginosis are recommended for women with documented multiple recurrences. (I-A).


Objectif : Analyser les données probantes et formuler des recommandations quant au dépistage et à la prise en charge de la candidose vulvovaginale, de la trichomonase et de la vaginose bactérienne. Issues : Parmi les issues évaluées, on trouve l'efficacité de l'antibiothérapie, les taux de guérison en ce qui concerne les infections simples et compliquées, et les implications de ces pathologies pendant la grossesse. Résultats : La littérature publiée a été récupérée par l'intermédiaire de recherches menées dans MEDLINE, EMBASE, CINAHL et The Cochrane Library en juin 2013 au moyen d'un vocabulaire contrôlé (p. ex. «â€¯vaginitis ¼, «â€¯trichomoniasis ¼, «â€¯vaginal candidiasis ¼) et de mots clés (p. ex. «â€¯bacterial vaginosis ¼, «â€¯yeast ¼, «â€¯candidiasis ¼, «â€¯trichomonas vaginalis ¼, «â€¯trichomoniasis ¼, «â€¯vaginitis ¼, «â€¯treatment ¼) appropriés. Les résultats ont été restreints aux analyses systématiques, aux essais comparatifs randomisés / essais cliniques comparatifs et aux études observationnelles. Aucune restriction n'a été appliquée en matière de date, mais les résultats ont été limités aux documents rédigés en anglais ou en français. Les recherches ont été mises à jour de façon régulière et intégrées à la directive clinique jusqu'en mai 2014. La littérature grise (non publiée) a été identifiée par l'intermédiaire de recherches menées dans les sites Web d'organismes s'intéressant à l'évaluation des technologies dans le domaine de la santé et d'organismes connexes, dans des collections de directives cliniques et auprès de sociétés de spécialité médicale nationales et internationales. Valeurs : La qualité des résultats est évaluée au moyen des critères décrits par le Groupe d'étude canadien sur les soins de santé préventifs (Tableau). Déclarations sommaires 1. La candidose vulvovaginale affecte 75 % des femmes à au moins une reprise. Les azoles antifongiques topiques et oraux comptent une efficacité équivalente. (I) 2. Pour être qualifiée de récurrente, la candidose vulvovaginale doit donner lieu à quatre épisodes ou plus par année. (II-2) 3. Trichomonas vaginalis est un organisme à l'origine d'une infection transmissible sexuellement non virale courante. Le dépistage des antigènes (écouvillonnages vaginaux analysés au moyen d'un immunoessai ou d'un test d'amplification des acides nucléiques) constitue la meilleure façon d'en détecter la présence. (II-2) 4. La prise en charge de la trichomonase au moyen de métronidazole oral, que ce soit à raison de 2 g en une dose unique ou de 500 mg deux fois par jour pendant 7 jours, permet l'obtention de taux de guérison équivalents pouvant atteindre 88 %. Le traitement du partenaire, même sans dépistage préalable, améliore les taux de guérison. (I-A) 5. Les données probantes dont nous disposons à l'heure actuelle quant à l'efficacité des traitements de médecine parallèle contre la vaginose bactérienne (probiotiques, vitamine C) sont limitées. (I) Recommandations 1. À la suite du traitement initial, la réussite de la prise en charge de la candidose vulvovaginale récurrente est favorisée par la mise en œuvre d'un traitement d'entretien hebdomadaire au fluconazole oral pendant une période pouvant atteindre six mois. (II-2A) 2. La résolution de la candidose vulvovaginale symptomatique prise en charge au moyen d'azoles topiques pourrait nécessiter un traitement d'une durée prolongée. (1-A) 3. À la suite de la prise en charge de la trichomonase au moyen de métronidazole oral, la tenue d'un test de guérison n'est pas recommandée. (I-D) 4. Le recours à des doses accrues pourrait être requis dans les cas de trichomonase qui présentent une résistance au traitement. (I-A) 5. En présence d'une infection à Trichomonas vaginalis symptomatique pendant la grossesse, la prévention de l'accouchement préterme justifie la mise en œuvre d'un traitement au métronidazole oral. (I-A) 6. La vaginose bactérienne devrait être diagnostiquée au moyen de critères cliniques (Amsel) ou de laboratoire (coloration de Gram et système objectif de notation). (II-2A) 7. La vaginose bactérienne symptomatique devrait être prise en charge au moyen de métronidazole oral, à raison de 500 mg deux fois par jour pendant sept jours. Parmi les solutions de rechange, on trouve le gel vaginal de métronidazole et la clindamycine (comprimés oraux ou crème vaginale). (I-A) 8. Chez les femmes qui présentent de multiples récurrences documentées, la prolongation du traitement contre la vaginose bactérienne est recommandée. (I-A).


Assuntos
Candidíase Vulvovaginal/tratamento farmacológico , Vaginite por Trichomonas/tratamento farmacológico , Vaginose Bacteriana/tratamento farmacológico , Vulvovaginite/tratamento farmacológico , Vulvovaginite/microbiologia , Antibacterianos , Anti-Infecciosos , Canadá , Candidíase Vulvovaginal/diagnóstico , Clindamicina/uso terapêutico , Feminino , Humanos , MEDLINE , Metronidazol/uso terapêutico , Gravidez , Complicações Infecciosas na Gravidez/tratamento farmacológico , Nascimento Prematuro , Recidiva , Infecções Sexualmente Transmissíveis/tratamento farmacológico , Vaginite por Trichomonas/diagnóstico , Vaginose Bacteriana/diagnóstico
12.
J Microbiol Immunol Infect ; 48(6): 662-75, 2015 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-25440978

RESUMO

BACKGROUND: Trichomonas vaginalis is the etiologic agent of trichomoniasis, the most common nonviral sexually transmitted disease in the world. This infection affects millions of individuals worldwide annually. Although direct sexual contact is the most common mode of transmission, increasing evidence indicates that T. vaginalis can survive in the external environment and can be transmitted by contaminated utensils. We found that the growth of T. vaginalis under cold conditions is greatly inhibited, but recovers after placing these stressed cells at the normal cultivation temperature of 37 °C. However, the mechanisms by which T. vaginalis regulates this adaptive process are unclear. METHODS: An expressed sequence tag (EST) database generated from a complementary DNA library of T. vaginalis messenger RNAs expressed under cold-culture conditions (4 °C, TvC) was compared with a previously published normal-cultured EST library (37 °C, TvE) to assess the cold-stress responses of T. vaginalis. RESULTS: A total of 9780 clones were sequenced from the TvC library and were mapped to 2934 genes in the T. vaginalis genome. A total of 1254 genes were expressed in both the TvE and TvC libraries, and 1680 genes were only found in the TvC library. A functional analysis showed that cold temperature has effects on many cellular mechanisms, including increased H2O2 tolerance, activation of the ubiquitin-proteasome system, induction of iron-sulfur cluster assembly, and reduced energy metabolism and enzyme expression. CONCLUSION: The current study is the first large-scale transcriptomic analysis in cold-stressed T. vaginalis and the results enhance our understanding of this important protist.


Assuntos
Resposta ao Choque Frio/genética , DNA de Protozoário/genética , Trichomonas vaginalis/genética , Trichomonas vaginalis/metabolismo , Sequência de Bases , Metabolismo Energético/genética , Etiquetas de Sequências Expressas , Feminino , Biblioteca Gênica , Humanos , Peróxido de Hidrogênio/toxicidade , Análise de Sequência de DNA , Vaginite por Trichomonas/microbiologia , Trichomonas vaginalis/crescimento & desenvolvimento , Ubiquitinação/genética
13.
Antimicrob Agents Chemother ; 57(6): 2476-84, 2013 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-23478970

RESUMO

Metronidazole (MDZ) and related 5-nitroimidazoles are the recommended drugs for treatment of trichomoniasis, a sexually transmitted disease caused by the protozoan parasite Trichomonas vaginalis. However, novel treatment options are needed, as recent reports have claimed resistance to these drugs in T. vaginalis isolates. In this study, we analyzed for the first time the in vitro effects of the natural polyphenol resveratrol (RESV) on T. vaginalis. At concentrations of between 25 and 100 µM, RESV inhibited the in vitro growth of T. vaginalis trophozoites; doses of 25 µM exerted a cytostatic effect, and higher doses exerted a cytotoxic effect. At these concentrations, RESV caused inhibition of the specific activity of a 120-kDa [Fe]-hydrogenase (Tvhyd). RESV did not affect Tvhyd gene expression and upregulated pyruvate-ferredoxin oxidoreductase (a hydrogenosomal enzyme) gene expression only at a high dose (100 µM). At doses of 50 to 100 µM, RESV also caused overexpression of heat shock protein 70 (Hsp70), a protective protein found in the hydrogenosome of T. vaginalis. The results demonstrate the potential of RESV as an antiparasitic treatment for trichomoniasis and suggest that the mechanism of action involves induction of hydrogenosomal dysfunction. In view of the results, we propose hydrogenosomal metabolism as a key target in the design of novel antiparasitic drugs.


Assuntos
Antitricômonas/farmacologia , Hidrogenase/antagonistas & inibidores , Proteínas Ferro-Enxofre/antagonistas & inibidores , Organelas/efeitos dos fármacos , Piruvato Sintase/efeitos dos fármacos , Estilbenos/farmacologia , Trichomonas vaginalis/efeitos dos fármacos , Animais , Feminino , Humanos , Hidrogênio/metabolismo , Organelas/enzimologia , Testes de Sensibilidade Parasitária , Piruvato Sintase/metabolismo , Resveratrol , Vaginite por Trichomonas/parasitologia , Trichomonas vaginalis/crescimento & desenvolvimento , Trichomonas vaginalis/isolamento & purificação , Trichomonas vaginalis/ultraestrutura , Regulação para Cima
14.
Parasitol Res ; 112(5): 2063-7, 2013 May.
Artigo em Inglês | MEDLINE | ID: mdl-23455944

RESUMO

Trichomonas vaginalis is a common sexually transmitted parasite in humans. Metronidazole has been the gold standard for treatment of trichomoniasis. The prevalence of metronidazole resistance and its unpleasant adverse effects drew the attention to the investigation of other lines of treatment, as that of herbal medicine. Garlic has been proven to have antibacterial, antiprotozoal, and antihelminthic activity. The current study was carried out to evaluate the efficacy of commercially available garlic (Tomex®) on T. vaginalis in vitro. The effect of different concentrations of garlic (12.5, 25, 50, and 100 µg/ml) was determined on multiplication and motility of trophozoites at different time points (after 24, 48, 72, and 96 h) in comparison to the same concentrations of metronidazole at the same different time points. The results showed that parasite multiplication inhibition was noticed in proportion of concentration of Tomex and incubation time. The minimal lethal concentration of Tomex was 100 µg/ml after 24 h, 50 µg/ml after 48 h, 25 µg/ml after 72 h, and 12.5 µg/ml after 96 h. These results were similar to that of metronidazole as its minimal lethal concentration was 50 µg/ml after 24 and 48 h and 12.5 µg/ml after 72 and 96 h. Garlic had completely inhibited the motility of trophozoites with concentration of 100 µg/ml after 24 h, 50 µg/ml after 48 h, 25 µg/ml after 72 h, and 12.5 µg/ml after 96 h while metronidazole had completely inhibited the motility of trophozoites with concentration of 50 µg/ml after 24 h, 25 µg/ml after 48 h, and 12.5 µg/ml after 72 and 96 h. This suggests that commercially available garlic (Tomex®) may be a promising phytotherapeutic agent for trichomoniasis.


Assuntos
Antiprotozoários/farmacologia , Alho , Metronidazol/farmacologia , Vaginite por Trichomonas/parasitologia , Trichomonas vaginalis/efeitos dos fármacos , Animais , Feminino , Humanos , Testes de Sensibilidade Parasitária , Tricomoníase/parasitologia , Trichomonas vaginalis/crescimento & desenvolvimento , Trichomonas vaginalis/isolamento & purificação , Trofozoítos/efeitos dos fármacos
15.
Acta Cytol ; 56(3): 242-6, 2012.
Artigo em Inglês | MEDLINE | ID: mdl-22555524

RESUMO

OBJECTIVE: To report the prevalence of Gardnerella, Trichomonas and Candida in the cervical smears of 9 immigrant groups participating in the Dutch national cervical screening program. STUDY DESIGN: Cervical smears were taken from 58,904 immigrant participants and 498,405 Dutch participants. As part of the routine screening process, all smears were screened for the overgrowth of Gardnerella (i.e. smears with an abundance of clue cells) and for the presence of Trichomonas and Candida. The smears were screened by 6 laboratories, all of which use the Dutch KOPAC coding system. The odds ratio and confidence interval were calculated for the 9 immigrant groups and compared to Dutch participants. RESULTS: Immigrants from Suriname, Turkey and the Dutch Antilles have a 2-5 times higher prevalence of Gardnerella and Trichomonas when compared to native Dutch women. Interestingly, the prevalence of Trichomonas in cervical smears of Moroccan immigrants is twice as high, yet the prevalence of Gardnerella is 3 times lower than in native Dutch women. CONCLUSIONS: Immigrants with a high prevalence of Gardnerella also have a high prevalence of Trichomonas. In the context of the increased risk of squamous abnormalities in smears with Gardnerella, such slides should be screened with extra care.


Assuntos
Candidíase Vulvovaginal/patologia , Emigrantes e Imigrantes , Tricomoníase/patologia , Vaginite por Trichomonas/patologia , Doenças do Colo do Útero/patologia , Esfregaço Vaginal , Vaginose Bacteriana/patologia , Adulto , Animais , Candida albicans/isolamento & purificação , Candidíase Vulvovaginal/epidemiologia , Candidíase Vulvovaginal/etnologia , Feminino , Gardnerella vaginalis/isolamento & purificação , Humanos , Pessoa de Meia-Idade , Programas Nacionais de Saúde , Países Baixos/epidemiologia , Países Baixos/etnologia , Tricomoníase/epidemiologia , Tricomoníase/etnologia , Vaginite por Trichomonas/epidemiologia , Vaginite por Trichomonas/etnologia , Trichomonas vaginalis/isolamento & purificação , Doenças do Colo do Útero/epidemiologia , Doenças do Colo do Útero/etnologia , Esfregaço Vaginal/tendências , Vaginose Bacteriana/epidemiologia , Vaginose Bacteriana/etnologia
16.
Arch Gynecol Obstet ; 286(1): 125-30, 2012 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-22350328

RESUMO

PURPOSE: The aim of this study was to evaluate the efficacy of Mentha crispa in the treatment of women with Trichomonas vaginalis infection (TVI). METHODS: This was a randomized, double-blind, and controlled clinical trial consisting of three phases, pre-treatment, treatment, and post-treatment. Sixty female patients were randomized to a treatment group, M. crispa (24 mg) or secnidazole (2,000 mg), both consisting of single dose. RESULTS: After treatment the proportion of patients without TVI in secnidazole group was 96.6% and in the M. crispa group was 90%, no difference was found between groups (P = 0.6120). We observed improvement in vaginal discharge, malodorous vaginal secretion, dyspareunia, dysuria, pelvic pain, and burning and itching in the genital area in patients of both groups of treatment, with no statistically significant differences between them (P > 0.05). Adverse effects were significantly higher (P = 0.0006) in the secnidazole group (66.6%) than in the M. crispa group (20%), that being mostly nausea and metallic taste with statistically significant differences between treatment groups (P < 0.001). CONCLUSION: This study is the first to show that M. crispa is effective and safe, representing an alternative for the treatment of TVI in women.


Assuntos
Antitricômonas/uso terapêutico , Mentha , Metronidazol/análogos & derivados , Fitoterapia , Extratos Vegetais/uso terapêutico , Vaginite por Trichomonas/tratamento farmacológico , Descarga Vaginal/parasitologia , Adulto , Antitricômonas/efeitos adversos , Método Duplo-Cego , Dispareunia/parasitologia , Disuria/parasitologia , Feminino , Humanos , Masculino , Metronidazol/efeitos adversos , Metronidazol/uso terapêutico , Pessoa de Meia-Idade , Náusea/induzido quimicamente , Dor Pélvica/parasitologia , Extratos Vegetais/efeitos adversos , Prurido/parasitologia , Estatísticas não Paramétricas , Distúrbios do Paladar/induzido quimicamente , Trichomonas vaginalis , Adulto Jovem
17.
J Low Genit Tract Dis ; 16(1): 49-55, 2012 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-21964208

RESUMO

Genital malodor is a common distressing complaint that brings a woman to her physician's office. Vaginal infections, primarily bacterial vaginosis and trichomoniasis, still remain the commonest causes and are relatively easy to diagnose and treat. However, in approximately one third of women who present with malodor, no cause is identified. Although data on the management of vaginal discharge are extensive, the management of genital odor beyond common vaginal infections remains poorly studied. This presents a frustrating situation for both the patient and her physician. Often, patients resort to home remedies and over-the-counter preparations, which, while providing short-term relief for some women, almost never address the cause and, in some cases, can exacerbate symptoms. In this review, we have attempted to consolidate the known and documented causes of genital malodor including the nonvaginal causes and provide case studies that will help clinicians understand the possible settings for the various causes. We also provide an algorithm for the management of this symptom beyond vaginal infections.


Assuntos
Odorantes/análise , Vaginite por Trichomonas/diagnóstico , Descarga Vaginal/diagnóstico , Descarga Vaginal/terapia , Vaginose Bacteriana/diagnóstico , Adulto , Algoritmos , Feminino , Humanos , Pessoa de Meia-Idade , Vaginite por Trichomonas/tratamento farmacológico , Vaginite por Trichomonas/parasitologia , Descarga Vaginal/etiologia , Vaginose Bacteriana/tratamento farmacológico , Vaginose Bacteriana/microbiologia
18.
Ginekol Pol ; 83(12): 956-9, 2012 Dec.
Artigo em Polonês | MEDLINE | ID: mdl-23488303

RESUMO

The group of experts representing the Polish Gynecologic Society has issued this statement based on the review of available literature on the potential benefits of the use of Macmiror Complex 500 in obstetrical and gynecologic practice. Mixed Vaginitis (MV) eg. the vaginal infection caused by at least two out of the triad of pathogens (fungi, bacteria and Trichomonas Vaginalis [TV]), constitutes the type of vaginitis which is underestimated as for its prevalence. Mixed pathogens are responsible for as much as one third of all vaginal infections. Macmiror Complex 500 contains two active ingredients: nifuratel and nystatin. Macmiror Complex 500 affects all common causes of vulvovaginitis, i.e. bacteria, yeasts and TV. At the same time, it is not effective against Lactobacillus spp., which is a clear advantage in the treatment of vaginal infections. The antibacterial spectrum of nifuratel includes aerobic and anaerobic bacteria. Moreover nifuratel is effective against Chlamydia trachomatis and Mycoplasma spp., it has an anti-trichomonal effect comparable to metranidazole and shows certain activity against Candida spp. Nystatin is effective against Candida albicans and is even very effective against Candida glabrata which is usually more resistant to imidazole antifungal agents. Nystatin's importance is rising due to the current increase of candidoses caused by non-albicans types. This increase is especially perceptible in recurring candidoses. The review of the available literature on the effectiveness of Macmiror Complex 500 in the OB/GYN practice leads to the following conclusions: the exeptionally broad antibacterial and antifungal and trichomonicidal activity of this formulation makes it a drug of choice in cases where MV is suspected. The possibility to treat both partners, favorable safety profile in pregnant patients and the availability of both vaginal ovules and the cream with applicator makes this drug an effective and suitable treatment option in obstetrical and gynecologic practice.


Assuntos
Antifúngicos/uso terapêutico , Antitricômonas/uso terapêutico , Nifuratel/uso terapêutico , Vaginite por Trichomonas/tratamento farmacológico , Vulvovaginite/tratamento farmacológico , Combinação de Medicamentos , Feminino , Ginecologia/normas , Humanos , Programas Nacionais de Saúde/normas , Nistatina/administração & dosagem , Obstetrícia/normas , Polônia , Gravidez , Garantia da Qualidade dos Cuidados de Saúde/normas , Sociedades Médicas/normas , Vaginite por Trichomonas/microbiologia , Vulvovaginite/microbiologia , Saúde da Mulher
19.
Medicina (B Aires) ; 71(5): 429-31, 2011.
Artigo em Espanhol | MEDLINE | ID: mdl-22057167

RESUMO

Trichomoniasis is a sexually transmitted infection (STI) usually associated to vaginitis, urethritis, cervicitis and pelvic inflammatory disease, which can cause infertility. The aim of this retrospective longitudinal study was to determine Trichomonas vaginalis prevalence in a population of male and female sex workers in Mendoza, Argentina. A cohort of 720 people who attended the STI Program in this province was retrospectively analyzed. From February 2007 up to June 2009, 1692 samples were processed using a reposition sampling method. The age and sex distribution of the population was: 687 women/33 men, from 15 to 65 years old. Trichomoniasis prevalence determined for this population at risk was 7.6% in women only, men did not present infection. The high prevalence shown for this risk group suggests a great vulnerability of this population to contract other more serious STIs. In another sense, it also shows a remarkable lack in the use of mechanical barriers to prevent sexually transmitted diseases (STDs). The present research justifies the elaboration of standardized procedures guide to diagnose T. vaginalis within the framework of the Reproductive Health Program (PROSAR).


Assuntos
Profissionais do Sexo/estatística & dados numéricos , Infecções Sexualmente Transmissíveis/epidemiologia , Vaginite por Trichomonas/epidemiologia , Trichomonas vaginalis , Adolescente , Adulto , Fatores Etários , Idoso , Argentina/epidemiologia , Coinfecção/epidemiologia , Coinfecção/transmissão , Feminino , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Programas Nacionais de Saúde , Serviços de Saúde do Trabalhador , Prevalência , Estudos Retrospectivos , Assunção de Riscos , Vaginite por Trichomonas/transmissão , Adulto Jovem
20.
Medicina (B.Aires) ; 71(5): 429-431, oct. 2011. ilus
Artigo em Espanhol | LILACS | ID: lil-633891

RESUMO

La tricomoniasis es una infección de transmisión sexual (ITS) que se asocia a vaginitis, uretritis, cervicitis y enfermedad inflamatoria pélvica pudiendo producir infertilidad tubárica. El objetivo de este trabajo, de tipo retrospectivo longitudinal, fue determinar la prevalencia de Trichomonas vaginalis en una población de trabajadores sexuales en Mendoza, Argentina. Se estudió en forma retrospectiva una población de 720 personas asistidas por el Programa Provincial de ITS de Mendoza. Entre febrero de 2007 y junio de 2009 se procesaron 1692 muestras con un muestreo por reposición. La distribución por sexo fue de 687 mujeres y 33 varones con edades comprendidas entre 15 y 65 años. La prevalencia de tricomoniasis determinada en esta población en riesgo fue de 7.6% para las mujeres, sin encontrarse infecciones en el grupo de los hombres. La prevalencia hallada en este grupo en riesgo muestra una población con alta vulnerabilidad para contraer otras ITS de mayor gravedad. En otro sentido, sugiere una importante falta de adhesión al uso de barreras mecánicas para prevenir infecciones de transmisión sexual. Este trabajo justifica la elaboración de una guía de procedimientos para el manejo de la infección por tricomonas en el marco del Programa de Salud Reproductiva (PROSAR).


Trichomoniasis is a sexually transmitted infection (STI) usually associated to vaginitis, urethritis, cervicitis and pelvic inflammatory disease, which can cause infertility. The aim of this retrospective longitudinal study was to determine Trichomonas vaginalis prevalence in a population of male and female sex workers in Mendoza, Argentina. A cohort of 720 people who attended the STI Program in this province was retrospectively analyzed. From February 2007 up to June 2009, 1692 samples were processed using a reposition sampling method. The age and sex distribution of the population was: 687 women/33 men, from 15 to 65 years old. Trichomoniasis prevalence determined for this population at risk was 7.6% in women only, men did not present infection. The high prevalence shown for this risk group suggests a great vulnerability of this population to contract other more serious STIs. In another sense, it also shows a remarkable lack in the use of mechanical barriers to prevent sexually transmitted diseases (STDs). The present research justifies the elaboration of standardized procedures guide to diagnose T. vaginalis within the framework of the Reproductive Health Program (PROSAR).


Assuntos
Adolescente , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Adulto Jovem , Profissionais do Sexo/estatística & dados numéricos , Infecções Sexualmente Transmissíveis/epidemiologia , Trichomonas vaginalis , Vaginite por Trichomonas/epidemiologia , Fatores Etários , Argentina/epidemiologia , Coinfecção/epidemiologia , Coinfecção/transmissão , Estudos Longitudinais , Programas Nacionais de Saúde , Serviços de Saúde do Trabalhador , Prevalência , Estudos Retrospectivos , Assunção de Riscos , Vaginite por Trichomonas/transmissão
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