opportunistic infections

..R01 application was submitted in response to PA AI-98-100, "National Cooperative Drug Discovery Groups-Opportunistic Infections" (NCDDG-OI) by a group of investigators from the Oregon Health Sciences University, the University of ..

..Hence, most SCID infants are not recognized until diagnosed with life-threatening opportunistic infections, resulting in substantial morbidities and reduced overall survival of 50-70% Thus, the ability to detect ..

..of HIV infection and progression to AIDS in humans, including loss of CD4+ T cells and susceptibility to opportunistic infections. In this animal model, individuals can be inoculated at a specific time, by defined routes, and with ..

..and mortality associated with HIV infection, it has not eliminated HIV-related complications, such as opportunistic infections and malignancies...

..Death is most commonly from opportunistic infections such as pneumococcal pneumonia and tuberculosis...

..Immunodeficiency, the consequence of HIV-1 infection, predisposes the host to opportunistic infections. In turn, opportunistic infections influence target cell susceptibility to HIV-1 infection and ..

..These include HIV, sexually transmitted diseases, numerous opportunistic infections, TB, many emerging and re-emerging infections, and biological warfare/terrorist agents, such as anthrax, ..

..Out of the HIV opportunistic infections, HCV in particular has lately taken the center stage, and is causing alarms in the AIDS research ..

..Adoptive transfer of antigen-specific T cells can augment the immune response to prevent and treat opportunistic infections and malignancies...

..Adoptive transfer of antigen-specific T cells can augment the immune response to prevent and treat opportunistic infections and malignancies...

..neutropenia, hypotension, shock, and may potentially be fatal due to myocarditis, pancarditis, or to opportunistic infections resulting from impaired host defense mechanisms...

..immunity following allogeneic hematopoietic stem cell transplantation (HSCT) predisposes patients to opportunistic infections and tumor recurrence...

..neutropenia, hypotension, shock, and may potentially be fatal due to myocarditis, pancarditis, or to opportunistic infections resulting from impaired host defense mechanisms...

..The general goal of this proposed research is to develop new methods and agents for the treatment of opportunistic infections associated with AIDS and other diseases in which the immune system is compromised...

..pathogenesis or simply an artifact of confounding variables such as data sampling, clinical diagnosis or opportunistic infections is unclear...

DESCRIPTION (provided by applicant): Opportunistic infections remain the most important complication of infection with the Human Immunodeficiency Virus (HIV) and the principal cause of death in patients with the Acquired Immune Deficiency ..

..PDC in the circulation, along with depletion of CD4 T-lymphocytes is associated with the development of opportunistic infections, including viral infections...

..CD4+ T and other cells of the immune system; the resulting decline of immune functions means that opportunistic infections, such as tuberculosis and Kaposi's sarcoma, and co-infections, such as HCV, have devastating effects on ..

..pharmacologic immunosuppression puts transplant recipients at risk for development of opportunistic infections. Of these, cytomegalovirus (CMV) remains one of the most common sources of serious complications, ..

DESCRIPTION (provided by applicant): Opportunistic infections remain the most important complication of infection with the Human Immunodeficiency Virus (HIV) and the principal cause of death in patients with the Acquired Immune Deficiency ..

..In the developing world cryptococcal meningitis and pulmonary tuberculosis are the two most common opportunistic infections. Presently selection of which anti-fungal agent (amphotericin B, fluconazole or the two combined), the ..

DESCRIPTION (provided by applicant): Human cytomegalovirus (HCMV) causes one of the most common opportunistic infections in patients with AIDS...

..In the developing world cryptococcal meningitis and pulmonary tuberculosis are the two most common opportunistic infections. Presently selection of which anti-fungal agent (amphotericin B, fluconazole or the two combined), the ..

..Severe neutropenia results in sepsis and death due to opportunistic infections and thrombocytopenia results in increased risk of hemorrhage and death due to bleeding...

..Unfortunately, outcome is limited by development of graft-versus-host disease (GVHD) and by the opportunistic infections (OI) which often ensue as a consequence of efforts to prevent or treat GVHD...

..PDC in the circulation, along with depletion of CD4 T-lymphocytes is associated with the development of opportunistic infections, including viral infections...

DESCRIPTION (provided by applicant): Opportunistic infections of the central nervous system are common complication in acquired immunodeficiency syndrome (AIDS) patients...

..Public Health Relevance: This Public Health Relevance is not available...

..This information will expand the foundation of knowledge regarding the therapeutic control of these infections and the understanding of the basic biology of these pathogens...

..of iron and zinc, results in improved clinical outcomes, B weight gain, lean body mass, resistance to opportunistic infections, growth and development in children and ability to carry out normal tasks of daily living in women...

Mortality in AIDS patients is due to overwhelming opportunistic infections caused by bacteria, fungi, protozoa, and viruses...

..in the area of Bioterrorism, but also in reducing the susceptibility of immunosuppressed subjects to opportunistic infections. Particular areas of interest include: a) Establishing the safety and effectiveness of CpG ODN as ..

..disease in macaques that is manifested by progressive weight loss, persistent diarrhea, anemia, opportunistic infections, and unusual neoplasms...

..These are each the source of major opportunistic infections that cause early death, especially in patients with AIDS...

DESCRIPTION (provided by applicant): Human mycoplasmas cause chronic and opportunistic infections and may also contribute to the pathogenesis of other microbial agents. Indeed, epidemiological studies reveal that M...

..Toxoplasma gondii is a major cause of opportunistic infections in AIDS patients as well as birth defects in infants exposed in utero...

..Analogs of PT653 with a COOH, NH2, or OH group on the tricyclic moiety, and prodrugs thereof, will be made with the goal of improving aqueous solubility without sacrificing potency or selectivity...

..a number of original and significant studies on the identification of lentivirus target cells, effects of opportunistic infections on immunodeficiency virus pathogenesis, and the role of cytokines in immunodeficiency virus pathogenesis...

..TS) reduces disease and death among people living with HIV in sub-Saharan Africa by preventing opportunistic infections including bacteremia, pneumonia and enteritis as well as malaria...

DESCRIPTION (provided by applicant): Opportunistic infections of the oral cavity afflict 50% of all HIV infected patients, and include oropharyngeal candidiasis (OPC), oral hairy leukoplakia (OHL) and oral warts caused by the mucosatropic ..

..These studies will lead to improved oral vaccines against AIDS and its attendant opportunistic infections. Once we have optimized the vaccine formulation in the murine model system, we will apply the targeted ..

..neoformans infections have been mostly recognized in Europe. Both primary and opportunistic infections due to var...

..a rapid and precipitous decline in CD4+ T cells, thymus atrophy, severe neutropenia, and death due to opportunistic infections in approximately 60% of infected animals within the five months of infection...

..a rapid and precipitous decline in CD4+ T cells, thymus atrophy, severe neutropenia, and death due to opportunistic infections in approximately 60% of infected animals within the five months of infection...

..Cotrimoxazole (Trimethoprim-sulfamethoxazole, TMP-SMX) is the agent of choice for prophylaxis against opportunistic infections associated with HIV/AIDS and other immuno-compromised states...

..Unfortunately, outcome is limited by development of graft-versus-host disease (GVHD) and by the opportunistic infections which often ensue as a consequence of efforts to prevent or treat GVHD...

..The latter two are on the NIAID list of pathogens of interest for Biodefense, but are also serious opportunistic infections in AIDS...

..The standard of care for HIV-infected children includes antiretroviral treatment (ART), prophylaxis for opportunistic infections, and also nutritional support...

..regenerate a full repertoire and normal numbers of T lymphocytes results in morbidity and mortality from opportunistic infections or viral-associated malignancies...

..population; b) collect preliminary data on a possible association between the presence of these oral opportunistic infections and a history of chronic rejection; and c) determine the levels of IL-6 and CRP in the serum of ..

..With the advent of life-prolonging therapies such as anti-retroviral drugs for opportunistic infections, an increase in life expectancy post HIV exposure has been observed worldwide with approximately 580 ..

..surveillance; to monitor the rate of progression to AIDS, to define when therapy is required to prevent opportunistic infections, to place drug-naive patients into cohorts prior to therapy, and to monitor the effects of anti-..

..being developed for the assessment of specific human CD4+ and CD8+ T cell responses to other AIDS-related opportunistic infections, including those caused by Mvcobacterium tuberculosis, the Mvcobacterium avium complex, Pneumocvstis ..

DESCRIPTION (provided by applicant): The oral cavity is a primary target for opportunistic infections in HIV+ patients...

..immunosuppressive therapies is achieved at the cost of an increased incidence of life threatening opportunistic infections and transplantation associated malignancies...

..research is to improve treatment of the intertwined diseases of opiate addiction, HIV/AIDS and coexisting opportunistic infections. Methadone and buprenorphine are the cornerstone therapies for opiate addiction, however their ..

..is limited in patients with bulky adenopathy and is associated with profound immunosuppression and opportunistic infections. Therefore, novel non-immunosuppressive therapeutic agents with activity in genetically high risk CLL are ..

..The latter two are on the NIAID list of pathogens of interest for Biodefense, but are also serious opportunistic infections in AIDS...

..key proteins of the human immunodeficiency virus (HIV) and of two organisms responsible for HIV-related opportunistic infections is proposed...

..is limited in patients with bulky adenopathy and is associated with profound immunosuppression and opportunistic infections. Therefore, novel non-immunosuppressive therapeutic agents with activity in genetically high risk CLL are ..

In HIV infected patients, plasma HIV load increases with concomitant opportunistic infections, including Mycobacterial and Chlamydial infections suggesting cell activation and active virus replication...

DESCRIPTION (provided by applicant): Severe Congenital Neutropenia (SCN) predisposes affected humans to opportunistic infections because of a profound deficiency in the production of neutrophils...

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..While Trichoderma species have been recognized to be pathogenic in profoundly immunosuppressed hosts, this is the first report of the primary oral focus causing a fatal infection...

..Patients already treated with cefotaxime should be switched to meropenem, possibly in combination with vancomycin. Antifungal and/or anti-anaerobic treatment should also be considered...

Systemic mycosis is among the most feared opportunistic infections in the immunocompromised host. Difficulty and delay in diagnosis and treatment often result in poor outcomes...

..This article reviews the epidemiology, clinical manifestations, diagnostic evaluation, and treatment of the major fungal pathogens in nontransplant patients with hematologic malignancies...

..Fungal opportunistic infections in persons with AIDS are no longer a major problem in developed countries, but are resulting in ..

..Nevertheless, infection continues to a prominent complication in these patients...

..The ability to proceed with intensive chemotherapy despite a history of IA may improve long-term survival...

..Furthermore, the high level of beta-D glucan in serum decreased gradually. This case suggests that administration of VCZ can be recommended for deep seated mycoses...

..Ochroconis gallopavum is a dematiaceous and thermotolerant fungus that causes opportunistic infections in immunocompromised hosts. About only 30 cases of this organism infection have been reported worldwide...

..We review the clinical data, side effects, drug interactions, and unique spectrum of activity of these newer antifungal agents against both Candida and clinically relevant mold species...

..Data on total mortality should be reported as well, however, to guard against the possible introduction of harmful treatments...

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..The lack of studies, national and international, and the small amount of available data on the cost of systemic fungal infections mean that the costs saving from prophylactic and empirical use of antifungals are difficult to estimate...

..These agents may render the patient more susceptible to opportunistic infections. In addition, the fungal infection may be difficult to distinguish from the underlying sarcoidosis...

..Soon after mitral valve replacement, Aspergillus endocarditis recurred, associated with multiple peripheral emboli, which necessitated a second operation...

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..6%), and itraconazole may have been associated with them. As a conclusion, itraconazole proved to be effective and safe on SFI developed in patients with various hematological malignancies...

Ochroconis gallopavum is a potentially fatal dematiaceous fungus causing opportunistic infections in immunocompromised hosts. We report the first case of disseminated O...

..It should be kept in mind the possibility of breakthrough IFI, particularly zygomycosis, in patients treated with voriconazole for long periods...

..Early detection of these infections with appropriate anti-infective agents associated with radical or functional endoscopic surgery seems to be the optimal treatment. Recovery of immunity remains the major prognostic factor...

..The problems and controversies associated with defining optimal treatment strategies for invasive aspergillosis in this heavily immunocompromised population are highlighted...

..Value of prophylactic strategies or preemptive therapy remains contentious. New antifungal drugs for managing invasive pulmonary aspergillosis continue to emerge, with better safety, efficacy, and pharmacologic profiles...

..CONCLUSION: Acute invasive pulmonary aspergillosis complicating chronic lung disease is not rare. Improved diagnosis procedures and recent therapeutic advances may have a positive impact on patient prognosis...

..Our study identified splenectomy as a major risk factor for the development of opportunistic pneumonia after liver transplantation. In these patients prophylactic protocols and early diagnosis may improve the long-term outcome...

..Mid- to long-term survival can be achieved if the underlying hematologic disease is under control. It is not yet possible to define a group of patients with IPA who are most likely to benefit from lung resection...

..What is crucial for the clinical management is an early diagnosis by bronchoscopy and cultural proof of the pathogen followed by an adequate antifungal treatment...

..We report here the first case of disseminated cryptococcosis caused by C. albidus in a renal transplant recipient who had been successfully treated with fluconazole monotherapy...

..Pathologic findings established the rare diagnosis of SAH due to aspergillosis-related mycotic arteritis. Imaging characteristics are presented...

..01). TS is associated with a high mortality rate in cancer patients. The spectrum of infection at our institution has shifted from a predominance of disseminated infection to CVC-related fungemias without evidence of tissue invasion...

..So, in susceptible patients to develop trichosporonosis it is advisable to take into consideration this disease especially in intensive clinical care units...

..In an area with little guidance for therapy, the CLEAR data indicate that ABLC can be an effective broad-spectrum treatment choice for several invasive and refractory non-Aspergillus mould infections...

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..Scopulariopsis brevicaulis was the only pathogen isolated from blood cultures. The fever subsided with itraconazole and there was no recurrence of fungal infection with prolonged maintenance of oral itraconazole...

..Because there often is considerable overlap, infections are categorized by the host immune status that is most likely to be associated with a particular pathogen...

..The following is a review of the imaging features of different invasive fungal infections we can face in our daily practice...

..In conclusion, continuous infusion of AmB-d escalated to 2.0 mg/kg/day seems not to cause additional impairment of vital organ functions and to be well tolerated by most patients...

..g., vaccines). Immunotherapy must be tailored to specific immunocompromised states. Challenges exist in bringing promising immunotherapies from the laboratory to clinical trials...

Aspergillus infections are among the most feared opportunistic infections in humans. These organisms are ubiquitous in nature; protection against infection is usually provided by anatomical barriers and by the immune system...

..The diagnostic methods, therapeutic possibilities and differential diagnosis of this rare infectious complication in immunocompromised patients are discussed...

..Blood and bone marrow cultures were positive. The patient was treated with amphotericin B and itraconazole with a good clinical response...

..This patient presented with a persistent lobar pneumonia, skin lesions, and possible involvement of the central nervous system. The patient responded to treatment with amphotericin B and oral itraconazole...

..It is difficult to make a diagnosis of Trichosporon infection on only histological examination; therefore, molecular biological and biochemical methods are needed in a diagnosis of disseminated trichosporonosis...

..Alternative treatment options lead only in a few patients to success...

..The overall incidence of opportunistic infections varies from center to center; up to 15% of renal transplant recipients die of these infections...

..Analysis of this large database demonstrated the efficacy and safety of ABLC in the treatment of invasive aspergillosis...

..Therefore, most lesions were excised surgically and liposomal amphotericin B continued for 2 weeks followed by treatment with oral fluconazole for 2 months. Ten moths later there was no evidence of recurrence...

..At that time, blood and spinal fluid cultures yielded Fusarium sp. Opportunistic infections due to fungi other than Candida spp are becoming a major problem among BMT patients receiving systemic ..