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Nili Avni-Magen, David Eshar, Michael Friedman, David Kirmayer, Lital Letschert, Irith Gati, Elizabeth Kaufman, Avital Paz, Eran Lavy
Myiasis is a major disease condition in human and veterinary medicine. Domestic, free-ranging, and zoo-housed animals can be severely affected by myiasis. Depending on case severity, multiple treatment episodes may be indicated and can lead to recurrent capturing, handling stress, and anesthetics, all of which increase the risk of adverse responses (including death) individually and also in the herd. As an insecticide, ivermectin is often used for larval control. A total of 28 individual myiasis cases were retrospectively evaluated, out of which 11 cases were also treated using an ivermectin sustained-release varnish (SRV)...
March 2018: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
James Q Del Rosso
Until recently, the potential modes of action of topical ivermectin in rosacea have been speculated but not studied. Short-term studies (12 week), long-term studies (up to 52 weeks), and case report series have now been completed, and topical ivermectin (IVM), formulated as a 1% cream that is applied once daily, has been shown to be effective, well-tolerated, and safe for the treatment of rosacea. This article reviews outcomes from studies that support dual modes of action, including both anti-inflammatory and anti-parasitic effects...
September 2017: Journal of Clinical and Aesthetic Dermatology
Mandy Juarez, Alejandro Schcolnik-Cabrera, Alfonso Dueñas-Gonzalez
Drug repositioning is a highly studied alternative strategy to discover and develop anticancer drugs. This drug development approach identifies new indications for existing compounds. Ivermectin belongs to the group of avermectins (AVM), a series of 16-membered macrocyclic lactone compounds discovered in 1967, and FDA-approved for human use in 1987. It has been used by millions of people around the world exhibiting a wide margin of clinical safety. In this review, we summarize the in vitro and in vivo evidences demonstrating that ivermectin exerts antitumor effects in different types of cancer...
2018: American Journal of Cancer Research
Almir Oliva Filho, Danielle Dias, Águida Miranda, Eduardo Hebling
AIMS: Myiasis is a disease caused by the invasion of tissues by larvae of flies. The aim of this study was to carry out a review of reported cases of oral and maxillofacial myiasis in older adults and to show a case report of oral myiasis in a 95-year-old frail man with severe Alzheimer's disease from Brazil. METHODS AND RESULTS: Between 1988 and 2017, 35 oral and maxillofacial myiasis cases were reported in older adults in English-language studies from PubMed and Lilacs databases...
March 5, 2018: Special Care in Dentistry
Mohammed A K Mahdy, Rashad Abdul-Ghani, Thaker A A Abdulrahman, Samira M A Al-Eryani, Abdulsalam M Al-Mekhlafi, Sami A A Alhaidari, Ahmed A Azazy
BACKGROUND: Onchocerciasis in Yemen is one of the most neglected diseases, where baseline estimates of onchocerciasis and monitoring of the impact of ivermectin regularly administered to the affected individuals on its transmission are lacking. Therefore, this study aimed to determine the anti-Ov16 IgG4 seroprevalence among local communities of Hodeidah and Al-Mahwit governorates of Tihama Region. The factors possibly associated with previous exposure to infection were also studied. METHODOLOGY/PRINCIPAL FINDINGS: This cross-sectional study was conducted in two ivermectin-targeted districts endemic for onchocerciasis in Hodeidah and Al-Mahwit and two untargeted districts with unknown previous endemicity in Hodeidah between February and July 2017...
March 5, 2018: PLoS Neglected Tropical Diseases
Sheraz Khoja, Nhat Huynh, Alicia M P Warnecke, Liana Asatryan, Michael W Jakowec, Daryl L Davies
The deleterious effects of alcohol use disorders (AUDs) on human health have been documented worldwide. The enormous socioeconomic burden coupled with lack of efficacious pharmacotherapies underlies the need for improved treatment strategies. At present, there is a growing body of preclinical evidence that demonstrates the potential of avermectins [ivermectin (IVM), selamectin (SEL), abamectin (ABM), and moxidectin (MOX)] in treatment of AUDs. Avermectins are derived by fermentation of soil micro-organism, Streptomyces avermitilis, and have been extensively used for treatment of parasitic infections...
March 2, 2018: Psychopharmacology
Sean P McGregor, Hossein Alinia, Alyson Snyder, Sara Moradi Tuchayi, Alan Fleischer, Steven R Feldman
Papulopustular rosacea is characterized by papules and pustules in the central facial region. We review the literature surrounding the treatment of papulopustular rosacea. PubMed, EMBASE, and Cochrane (Central) databases searches of articles published from 1980 to 2015 were performed using the MeSH terms or keywords "rosacea" and "clinical trial." Additional searches were performed to include rosacea and each treatment modality used. Topical metronidazole, azelaic acid, ivermectin, and oral doxycycline have the most robust data to support their use...
April 2018: Dermatologic Clinics
Johannes Mischlinger, Luzia Veletzky, Gildas B Tazemda-Kuitsouc, Paul Pitzinger, Pierre B Matsegui, Markus Gmeiner, Heimo Lagler, Tamirat Gebru, Jana Held, Benjamin Mordmüller, Michael Ramharter
Background: Loiasis is a vector-borne disease in Central and West Africa. While there is still uncertainty to what extent loiasis is responsible for population morbidity, individuals having both loiasis and onchocerciasis have a high risk of fatal encephalopathy when treatment (ie, ivermectin) for onchocerciasis is given. Therefore it is current policy that communities of high loiasis-burden are excluded from mass drug administration programmes of ivermectin. To address this treatment gap we present diagnostic scores, based on clinical and behavioural predictors that may help to rapidly identify sub-groups with loiasis within high-burden communities...
June 2018: Journal of Global Health
Dong-Dong Chen, Bing-Yu Zhang, Xiu-Xiu Liu, Xing-Qiang Li, Xin-Juan Yang, Le Zhou
A series of cinnamic acid derivatives and its heteroaromatic ring analogues were synthesized and evaluated for acaricidal activity in vitro against Psoroptes cuniculi, a mange mite. Among them, eight compounds showed the higher activity with median lethal concentrations (LC50 ) of 0.36-1.07mM (60.4-192.1µg/mL) and great potential for the development of novel acaricidal agent. Compound 40 showed both the lowest LC50 value of 0.36mM (60.4µg/mL) and the smallest median lethal time (LT50 ) of 2.6h at 4.5mM, comparable with ivermectin [LC50 =0...
August 24, 2017: Bioorganic & Medicinal Chemistry Letters
Kossi Komlan, Patrick S Vossberg, Richard G Gantin, Tchalim Solim, Francois Korbmacher, Méba Banla, Koffi Padjoudoum, Potchoziou Karabou, Carsten Köhler, Peter T Soboslay
BACKGROUND: Mass drug administration (MDA) of ivermectin has become the main intervention to control onchocerciasis or "river blindness". In Togo, after many years of MDA, Onchocerca volvulus infection has declined dramatically, and elimination appears achievable, but in certain river basins the current situation remains unknown. We have conducted parasitological, serological, ophthalmological, and entomological assessments in northern and central Togo within the river basins of Ôti, Kéran and Mô...
March 1, 2018: PLoS Neglected Tropical Diseases
Katherine M Stiff, Philip R Cohen
Scabies, a mite infestation caused by 'Sarcoptes scabiei', most commonly presents as pruritic linear burrows where the mite has invaded the skin. Scabies variant such as bullous, crusted, hidden, incognito, nodular and scalp-mimic the other conditions. In addition, atypical presentations of scabies can masquerade as dermatitis herpetiformis, ecchymosis, Langerhans cell histiocytosis, systemic lupus erythematosus, urticaria, and urticaria pigmentosa. A 59-year-old male presented with non-pruritic papulosquamous plaques on his chest, abdomen, and back resembling lesions of pityriasis rosea in morphology and distribution...
December 19, 2017: Curēus
Sabrina Dahlizar, Mika Futaki, Akie Okada, Wesam Radhi Kadhum, Hiroaki Todo, Kenji Sugibayashi
Palmitoyl-glycine-histidine (Pal-GH) is a new low molecular weight gelling agent. It exhibits thixotropic behavior, low viscosity, and high dissolving properties for a wide range of hydrophilic to lipophilic drugs. Orally administered ivermectin (IVM) is used to treat scabies. However, this treatment is associated with well-known side effects, thus a study is awaited to search for alternative routes of administration. Although a topical formulation of IVM could be a candidate, it requires whole body application except the head and face for several hours on a daily basis...
2018: Chemical & Pharmaceutical Bulletin
Priyo Sambodo, Joko Prastowo, Kurniasih Kurniasih, Sudarmanto Indarjulianto
Aim: Haemonchus contortus is a major problem in small ruminants in Indonesia. The frequent use of the anthelmintic drugs has given rise to drug-resistant populations which increase the need for new anthelminthic compounds, particularly from endemic plants. This study evaluated the in vitro effects of Biophytum petersianum crude aqueous extract (BAE) as an anthelmintic compound against H. contortus adult worm isolated from goats. Materials and Methods: Adult worm collected from naturally infected abomasums were obtained from slaughtered goats on the day of slaughter...
January 2018: Veterinary World
Rojesh Khangembam, Harkirat Singh, Jyoti, Shitanshu Shekar Rath, Nirbhay Kumar Singh
The status of ivermectin resistance in Rhipicephalus (Boophilus) microplus collected from various districts of the Punjab state, India was determined using larval immersion test (LIT). Regression graphs of probit mortality of larval ticks of various field isolates were plotted against log values of increasing concentrations of technical grade ivermectin for determination of slopes of mortality, lethal concentrations for 50% (LC50 ) and resistance factors (RF). Values for the coefficient of determination (R2 ) in LIT assay ranged from 0...
February 17, 2018: Ticks and Tick-borne Diseases
Sheraz Khoja, Nhat Huynh, Liana Asatryan, Michael W Jakowec, Daryl L Davies
Purinergic P2X4 receptors (P2X4Rs) belong to the P2X superfamily of ionotropic receptors that are gated by adenosine 5'-triphosphate (ATP). Accumulating evidence indicates that P2X4Rs play an important role in regulation of ethanol intake. At the molecular level, ethanol's inhibitory effects on P2X4Rs are antagonized by ivermectin (IVM), in part, via action on P2X4Rs. Behaviorally, male mice deficient in the p2rx4 gene (P2X4R knockout [KO]) have been shown to exhibit a transient increase in ethanol intake over a period of 4 days, as demonstrated by social and binge drinking paradigms...
September 30, 2017: Alcohol
Luiza Almeida Figueiredo, Thais Fuscaldi Rebouças, Sebastião Rodrigo Ferreira, Gabriela Flavia Rodrigues-Luiz, Rodrigo Cambraia Miranda, Ricardo Nascimento Araujo, Ricardo Toshio Fujiwara
While diseases caused by nematodes remains a considerable drawback for the livestock, agriculture and public health, anthelmintics drug resistance has been observed over the past years and is a major concern for parasite control. Ivermectin, initially considered as a highly potent drug, currently presents a reduced anti-helminthic efficacy, which is influenced by expression of several ATP-binding cassette transporters (ABC), among them the P-glycoproteins (Pgps). Here we present some evidences of Pgps dominance during Ivermectin resistance/susceptibility using Pgps double silencing in C...
2018: PloS One
Angela Martinez-Perez, Silvia Roure Díez, Moncef Belhasen-Garcia, Diego Torrús-Tendero, Jose Luis Perez-Arellano, Teresa Cabezas, Cristina Soler, Marta Díaz-Menéndez, Miriam Navarro, Begoña Treviño, Fernando Salvador-Vélez
INTRODUCTION: Strongyloides stercoralis is a globally distributed nematode that causes diverse clinical symptoms in humans. Spain, once considered an endemic country, has experienced a recent increase in imported cases. The introduction of serology helps diagnosis and is currently replacing microbiological techniques in some settings, but its sensitivity is variable and can be low in immunocompromised patients. Diagnosis can only be confirmed by identification of larvae. Often, this "gold standard" can only be achieved in severe cases, such as disseminated S...
February 23, 2018: PLoS Neglected Tropical Diseases
Abdul-Samid Al-Kubati, Charles D Mackenzie, Daniel Boakye, Yasin Al-Qubati, Abdul-Rahim Al-Samie, Isam E Awad, Bjorn Thylefors, Adrian Hopkins
The onchocerciasis focus in Yemen has been known for many years as an endemic area with unique characteristics, notably the atypical and most severe form of onchodermatitis, known as sowda or reactive onchodermatitis (ROD). The national effort to control the disease began in 1992 as an individual case treatment program by administering ivermectin to those presenting with ROD. The challenging geography of the endemic area and the current political and military unrest both underscore a need for special approaches when attempting to eliminate onchocerciasis from this country...
March 1, 2018: International Health
Michel Boussinesq, Grace Fobi, Annette C Kuesel
The use of alternative (or complementary) treatment strategies (ATSs) i.e. differing from annual community-directed treatment with ivermectin (CDTI) is required in some African foci to eliminate onchocerciasis by 2025. ATSs include vector control, biannual or pluriannual CDTI, better timing of CDTI, community-directed treatment with combinations of currently available anthelminthics or new drugs, and 'test-and-treat' (TNT) strategies requiring diagnosis of infection and/or contraindications to treatment for decisions on who to treat with what regimen...
March 1, 2018: International Health
Maria P Rebollo, Honorat Zoure, Kisito Ogoussan, Yao Sodahlon, Eric A Ottesen, Paul T Cantey
The meaning of 'mapping' in relation to onchocerciasis has changed at least three times over the past 50 years as the programmatic goals and the assessment tools have changed. With the current goal being global elimination of Onchocerca volvulus (OV), all areas where OV might currently be transmitted and where mass drug administration (MDA) with ivermectin treatment has not been delivered previously must now be identified by careful, detailed 'elimination mapping' as either OV endemic or not, so that appropriate programmatic targets can be established...
March 1, 2018: International Health
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