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5-HT 3 antagonists are most effective in the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV), especially that caused by highly emetogenic drugs such as cisplatin; when used for this purpose, they may be given alone or, more frequently, with a glucocorticoid, usually dexamethasone.
The Arizona Center for Education and Research on Therapeutics (AZCERT) maintains the CredibleMeds database. Founded in 2000 at the University of Arizona as part of a network of 14 federally-funded CERTs, [9] AZCERT became a separate non-profit corporation in 2012 funded by the US Food and Drug Administration (FDA), research grants, and charitable contributions.
Ondansetron, sold under the brand name Zofran among others, is a medication used to prevent nausea and vomiting caused by chemotherapy, radiation therapy, migraines, or surgery. [8] It is also effective for treating gastroenteritis .
Excessive QT prolongation can trigger tachycardias such as torsades de pointes (TdP). QT prolongation is an established side effect of antiarrhythmics, but can also be caused by a wide range of non-cardiac medicines, including antibiotics, antidepressants, antihistamines, opioids, and complementary medicines.
In nine diabetic patients with autonomic neuropathy, renzapride reduced the mean lag phase of gastric emptying by 20–26 min at all doses (P < 0.01) [5]In Phase 2a studies on subjects with constipation Renzapride was shown to accelerate colonic transit (p=0.016 vs placebo P=0.009) (Ref: ATL 1251/001/CL) as well as increase daily stool frequency (p<0.005) (Ref: ATL 1251/025/CL)
The cardiac features of JLNS can be diagnosed by measuring the QT interval corrected for heart rate (QTc) on a 12-lead electrocardiogram (ECG). The QTc is less than 450 ms in 95% of normal males, and less than 460 ms in 95% of normal females. In those with Jervell and Lange-Nielsen syndrome the QTc is typically greater than 500 ms. [8]
The geometric distribution, a discrete distribution which describes the number of attempts needed to get the first success in a series of independent Bernoulli trials, or alternatively only the number of losses before the first success (i.e. one less). The Hermite distribution; The logarithmic (series) distribution; The mixed Poisson distribution
Gepirone is contraindicated in people that have experienced an allergic reaction to gepirone, a corrected QT interval > 450 msec, a history of congenital long QT syndrome, use medications that strongly inhibit CYP3A4 (an enzyme involved in gepirone's metabolism), severe liver problems, or have used a monoamine oxidase inhibitor (MAOI) medication within 14 days.