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Abnormalities, Drug-Induced clinical trials

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NCT ID: NCT03834883 Not yet recruiting - Long QT Syndrome Clinical Trials

Reducing the Risk of Drug-Induced QT Interval Lengthening in Postmenopausal Women

Start date: April 1, 2019
Phase: Phase 4
Study type: Interventional

This research will determine if oral progesterone attenuates drug-induced QT interval lengthening in a) Postmenopausal women 50 years of age or older, and b) Premenopausal women studied during the ovulation phase of the menstrual cycle. This investigation will consist of two concurrent prospective, randomized, double-blind, placebo-controlled crossover-design studies in a) Postmenopausal women, and b) Premenopausal women. Each subject will take progesterone or placebo capsules for 1 week. After a two-week "washout" (no progesterone or placebo) each subject will then take the alternative therapy (progesterone or placebo) for 1 week. After 7 days of each treatment, subjects will present to the clinical research center to receive a small dose of the QT interval-lengthening drug ibutilide, and the effect on the QT, J-Tpeak and Tpeak-Tend intervals during the progesterone and placebo phases will be compared

NCT ID: NCT00766207 Completed - Contraception Clinical Trials

Electronic Notification of Teratogenic Risks

Start date: October 2008
Phase: N/A
Study type: Interventional

This study will use a factorial design randomized controlled trial to (1)compare multi-faceted decision support (intervention) to streamlined clinical alerts (control) and (2) evaluate whether collecting information about women's risk of pregnancy using a networked tablet computer (intervention) is superior to the way clinicians usually collect this information (control). Over the course of 1 year, we will abstract data from the electronic medical record when study clinicians prescribe teratogenic medications, conduct phone interviews with women prescribed medications by participating clinicians, and survey participating clinicians about their satisfaction with the decision support they receive. We will use this data to confirm our hypotheses that clinicians in the intervention groups will (1) prescribe fewer teratogenic medications, (2) be more likely to prescribe contraception when a teratogenic medication is prescribed, (3) have more patients report satisfaction with the counseling they received, and (4) report more satisfaction with the decision support they received.