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Agranulocytosis and aplastic anemia are rare but serious blood diseases that can be caused by drugs and other environmental factors. In 1980, there were only limited quantitative estimates of the risk between various exposures, particularly drugs, and the two dyscrasias. The data were collected in the IAAAS, a multicenter population-based case-control study conducted from 1980 to 1986 in eight regions. The study was funded by a pharmaceutical company to investigate a single hypothesis, but information was obtained on all drugs and on other factors, enabling a general investigation of the dyscrasias.
The study was for retrospective data analysis only. Standard case-control methods were used. In most instances, multivariate analysis was used to control confounding, especially by simultaneous use of other causal drugs. Adverse effects and the relative safety of drugs in relation to the two dyscrasias were documented. Because the IAAAS was population-based, incidence rates were provided directly, and excess risks were estimated for associated drugs. Such quantitative measures of association were generally unavailable. Among the drugs that were analyzed were various categories such as psychotropics, antihistamines, and cardiovascular drugs, and individual drugs such as allopurinol. Factors other than drugs were also evaluated, including exposure to radiation and chemicals such as benzene and insecticides, history of viral infection, and history of allergy and other conditions.
Observational Model: Natural History
National Heart, Lung, and Blood Institute (NHLBI)
Published on BioPortfolio: 2014-08-27T03:57:53-0400
To determine one-year overall survival after a non-myeloablative (NMA) bone marrow transplant for previously-untreated severe aplastic anemia.
The objective of this study is to evaluate the efficacy of romiplostim administered once weekly to Aplastic Anemia (AA) patients with thrombocytopenia refractory to or ineligible for immun...
Efficacy and Safety of Recombinant human thrombopoietin in patients with severe aplastic anemia and very severe aplastic anemia, a randomized, double-blind, placebo-controlled, II phase, m...
The purposes of this study are threefold: 1) to evaluate the prevalence and risks of oral complications in patients with aplastic anemia; 2) to evaluate if oral problems in these patients...
The aim of this study is to improve treatment of Moderate Aplastic Anemia (MAA) by evaluating the safety and efficiency of Eltrombopag as a new treatment option in patients with therapy re...
Similar autoimmune processes (defective T-cell function) take place during the pathogenesis of aplastic anemia (AA) and Graves' disease (GD). Antithyroid drugs used for the management of GD may induce...
We performed the first epidemiologic investigation to examine association of demographics and clinical characteristics at diagnosis, as well as health care expense coverage, with survival of US childr...
This review aimed to provide updated guidelines for the management of children with acquired aplastic anemia (AA), particularly focusing on hematopoietic stem cell transplantation (HSCT).
Hematopoietic stem cell transplant (HSCT) with matched sibling donor (MSD) is considered the first line of therapy for patients with severe aplastic anemia (SAA) who are
Recurrent ovarian hemorrhage resulting in ovarian infarction may lead to a life-threatening intraperitoneal hemorrhage in women with bleeding disorders such as aplastic anemia (AA). Moreover, it is se...
A form of anemia in which the bone marrow fails to produce adequate numbers of peripheral blood elements.
The type species of GYROVIRUS, a small, non-enveloped DNA virus originally isolated from contaminated vaccines in Japan. It causes chicken infectious anemia and may possibly play a key role in hemorrhagic anemia syndrome, anemia dermatitis, and blue wing disease.
Viral disease of horses caused by the equine infectious anemia virus (EIAV; INFECTIOUS ANEMIA VIRUS, EQUINE). It is characterized by intermittent fever, weakness, and anemia. Chronic infection consists of acute episodes with remissions.
A rare congenital hypoplastic anemia that usually presents early in infancy. The disease is characterized by a moderate to severe macrocytic anemia, occasional neutropenia or thrombocytosis, a normocellular bone marrow with erythroid hypoplasia, and an increased risk of developing leukemia. (Curr Opin Hematol 2000 Mar;7(2):85-94)
The mildest form of erythroblastosis fetalis in which anemia is the chief manifestation.
Blood is a specialized bodily fluid that delivers necessary substances to the body's cells (in animals) – such as nutrients and oxygen – and transports waste products away from those same cells. In vertebrates, it is composed of blo...
Cardiovascular disease (CVD)
Acute Coronary Syndromes (ACS) Blood Cardiovascular Dialysis Hypertension Stent Stroke Vascular Cardiovascular disease (CVD) includes all the diseases of the heart and circulation including coronary heart disease (angina...