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DNA Methylation clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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NCT ID: NCT05892211 Active, not recruiting - Clinical trials for Cardiovascular Diseases

LINE-1 and Alu Methylation Levels Among Middle Aged Women With Low Cardiovascular Risk Profile in Respect of Menopausal Hot Flashes

Start date: December 1, 2020
Phase:
Study type: Observational

Vasomotor symptoms are the most common symptoms seen during climacterium. The hypoestrogenic state causes dysfunction of hypothalamic preoptic area, a thermoregulatory center. The sympathetic overactivation during the hot flashes is associated with awakening during sleep and have a negative impact on cardiac indexes and vascular reactivity. Therefore, hot flashes are accepted as subclinical cardiovascular risk factor. The association between the severity of the hot flashes and cardiovascular risk may have an epigenetic background. Recently, methylation changes of DNA was found to be associated with clinical and subclinical cardiovascular disease risk (atherosclerosis and hypertension etc.). A transposable element in the DNA, Long interspersed nuclear elements (LINE-1), was found to be hypomethylated in cases with ischemic heart disease and stroke. Therefore, the expression of repeating elements in the DNA (LINE-1 and ALU) may be considered as a mediator in the ischemic heart disease. Until now, menopausal age, vasomotor symptoms and epigenetic and biological aging have been evaluated. However, the epigenetic impact of severe vasomotor symptoms in postmenopausal women with low cardiovascular disease risk profile has not been evaluated. In this study, we aimed to evaluate the epigenetic basis of cardiovascular disease risk for women with vasomotor symptoms which disturb sleep by assessing the methylation levels of ALU and LINE-1.