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Polymorphism,Single Nucleotide clinical trials

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NCT ID: NCT04943354 Completed - Clinical trials for Cardiovascular Diseases

Associations of Combinations of Single-nucleotide Polymorphisms in Women With Premature Ovarian Failure

Start date: September 1, 2020
Phase: N/A
Study type: Interventional

Research objective. - To study the associations between combinations of single nucleotide polymorphisms and behavioural risk factors with non-communicable diseases and adverse outcomes in women with premature ovarian failure. Research objectives: - To study the associations between combinations of single-nucleotide polymorphisms and behavioural risk factors with heart rate disorders and adverse outcomes in women with premature ovarian failure - Examine the associations between combinations of single nucleotide polymorphisms and behavioural risk factors with stable STIs in women with premature ovarian failure. - Examine the associations between combinations of single nucleotide polymorphisms and behavioural risk factors with thrombomolia in women with premature ovarian failure - Study the associations between combinations of single nucleotide polymorphisms and behavioural risk factors and adverse cardiovascular outcomes in women with premature ovarian failure.

NCT ID: NCT03916120 Completed - Pain, Postoperative Clinical Trials

Single Nucleotide Polymorphisms (SNPs) Associated With Postoperative Analgesic Failure

Start date: July 15, 2018
Phase:
Study type: Observational

Postoperative pain remains relatively high within 48h for Chinese patients who receive video-assisted thoracoscopic surgery. Different patients experience different pain intensity. This suggests that there may be genetic variants that make some patients susceptible to analgesic failure. Using blood samples from patients, the investigators are going to analyze the relationship between single nucleotide polymorphisms (SNPs) in genes that are known to be involved in analgesic failure.

NCT ID: NCT03842891 Completed - Milk, Human Clinical Trials

Genetic Variants Modulate Association Between Dietary n-3 LCPUFAs and DHA Proportion in Breast Milk

Start date: September 25, 2017
Phase:
Study type: Observational

DHA is important for the development of brain and retina in newborns. Considering that exclusive breast feeding for at least 4 ~6 months are globally recommended, plus it is well known that nutrient requirement is determined by both genetic and environmental (including diet) factors, this clinical study sought to investigate how the DHA levels in maternal milk is modulated by genetic variants and dietary n-3 LCPUFA intake. To recruit subjects (n=193), the inclusion criteria are Han Chinese women just having delivered full-term baby, 20-40 years old, healthy, and willing to breast feed their baby for at least 2 months. Written informed consent will be obtained from participants. Personal information (or covariates) such as height, weight (before getting pregnancy and delivery, respectively), age, parity, education, smoking, alcohol drinking, gender of baby…etc, and DNA from oral swab will be collected. Breast milk and dietary data will be collected at the end of the 1st and 2nd month of postpartum period. Considering Han Chinese women usually have special postpartum diets and care during puerperium, therefore, collection of breast milk and dietary information will be repeated at the 2nd month. The fatty acid composition in milk will be analyzed by gas chromatography. Using food frequency questionnaire, intake of n-3 LCPUFA from foods + fish oil supplements will be calculated. Subjects will be instructed to give a 3-days food record as well. We foresee results of this study might contribute to public health care as nutritionists/dietitians will be able to target the vulnerable subjects, who are dietary dependent for DHA, for dedications in nutrition consults or customized dietary guidance. Moreover, these information are valuable in making policy regarding dietary recommendation in Taiwan.

NCT ID: NCT01237522 Completed - Metformin Clinical Trials

A Pharmacokinetic Evaluation of Metformin in Relation to the Polymorphism A270S in Healthy Caucasian Volunteers

Start date: August 2010
Phase: Phase 4
Study type: Interventional

The aim of the study is to evaluate the pharmacokinetics of metformin in healthy Caucasians volunteers with and without the polymorphism A270S in OCT2,thus the study hypothesis is that renal clearance of metformin is affected in Caucasian with the known single nucleotide polymorphisms A270S in OCT2.

NCT ID: NCT01199393 Completed - Breast Neoplasm Clinical Trials

Genetic Polymorphisms Predict Chemotherapeutic Outcomes in Patients With Metastatic Breast Cancer

Start date: August 2010
Phase: N/A
Study type: Observational

The investigators want to research whether genetic polymorphisms of drug-metabolizing enzymes can be used to predict chemotherapeutic outcomes in patients with metastatic breast cancer.