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Prospective clinical trials

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NCT ID: NCT05145712 Recruiting - Interventional Clinical Trials

Quantitative Bowel Readiness Assessment System in Predicting the Missed Detection Rate of Adenomas

Start date: July 21, 2021
Phase: N/A
Study type: Interventional

To verify the correlation between the proposed artificial intelligence based bowel preparation assessment system and the missed detection rate of adenomas, and to evaluate whether the system can effectively assist doctors in identifying patients who need to be re-examined by colonoscopy due to poor intestinal cleanliness.

NCT ID: NCT04350255 Recruiting - Prospective Clinical Trials

A Register Based Prospective Study During Implementation of a New Cup

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

In a prospective register-based study, we aim to evaluate the implant survival, clinical outcomes and X-ray findings by following a cohort of patients operated with the Trident II cup.

NCT ID: NCT03728829 Recruiting - Observational Clinical Trials

Targeted Next Generation Sequencing for the Efficacy of Trastuzumab Neoadjuvant Chemotherapy in Breast Cancer

Start date: July 2021
Phase:
Study type: Observational

To explore the genetic background of patients with HER2 positive breast cancer that benefit from trastuzumab combined with neoadjuvant chemotherapy, identify clinically actionable mutations that associated with trastuzumab resistance or drug efficacy, we designed this Observational phase II trial. The primary endpoint is genetic profile of HER2+ breast cancer patients treated with trastuzumab combined neoadjuvant chemotherapy. Secondary endpoints included pathological complete response (pCR) rate and safety.

NCT ID: NCT01694108 Completed - Intervention Clinical Trials

Bacille Calmette Guérin Immunisation at Birth and Childhood Morbidity in Danish Children.

Start date: September 2012
Phase: Phase 4
Study type: Interventional

In high-income societies the use of health care and medication is steadily increasing. Children have high morbidity, many visits at the general practitioner, an increasing number of hospitalisations, and an increasing use of medication. And, when children are ill, someone has to stay home to care for them. An un-explained global increase in the incidence of the allergic diseases eczema, wheezing, asthma and allergies means that 25% of high-income populations are affected. Cheap preventive measures are highly warranted. Recent studies have shown a positive, non-specific effect of early Bacille Calmette Guérin (BCG) immunisation on neonatal mortality in low-income countries and suggested a positive, non-specific effect on allergic disease in high-income countries. "Non-specific" means that the vaccine effect goes beyond prevention of the targeted disease, i.e. the BCG vaccine benefits the health status of the immunised individual in ways unrelated to protection against tuberculosis (TB). For instance, in a recent randomised trial in West Africa the investigators showed that the BCG vaccine at birth was safe in low birth weight (LBW) infants and significantly reduced neonatal mortality in these children, with a significant long-lasting effect on infant mortality in the smallest newborns with a birth weight <1.5 kg. There is an urgent need to explore the huge potential of the BCG's beneficial immune-stimulatory effects among children in high-income populations. Therefore, the investigators will carry out a large prospective randomised clinical trial in Denmark primarily designed to test the hypothesis that infants who get the BCG vaccine at birth experience 20% fewer hospitalisations during early childhood. Secondary outcomes 1. To test the hypothesis that infants who get the BCG vaccine at birth are prescribed less antibiotics during early childhood than non-BCG-immunised infants. 2. To test the hypothesis that Danish infants who get the BCG vaccine at birth develop less eczema, asthmatic bronchitis/wheeze and food allergy at 3 and 12 months of age: self-reported, diagnosed by a physician, or found at clinical examination; and are prescribed less anti-eczema/asthma/allergy medication during early childhood than non-BCG-immunised infants. 3. To test the hypothesis that infants who receive the BCG at birth respond in paraclinical measures: Specific IgE, thymic gland size, leucocyte count and differentiation, monocyte memory, cytokine profiles, and antibody titres following immunisation against diphtheria, tetanus, pertussis, pneumococcus, hemophilus. 4. To test the hypothesis that infants who get the BCG vaccine at birth respond in growth measures: weight, length and head circumference. 5. To test the hypothesis that infants who get the BCG vaccine at birth respond with decreased morbidity: common cold, pneumonia, febrile episodes, diarrhoea and vomiting, acute otitis media, febrile convulsions. 6. To test the hypothesis that premature infants with gestational age less than 37 weeks who get the BCG vaccine at birth have unaffected psychomotor development measures: Ages and Stages scores. 7. To test the hypothesis that infants who get the BCG vaccine at birth has unaffected coverage with the subsequent vaccinations in the Child Vaccination Programme. 8. To test the above mentioned hypotheses specifically in the strata of premature and low-birth-weight Danish infants.

NCT ID: NCT00520416 Completed - Carbon Dioxide Clinical Trials

Prospective, Non-Randomized Evaluation of Carbon Dioxide Gas as a Contrast Agent in Comparison With Iodinated Contrast in Endovascular Aneurysm Repair

Start date: October 2006
Phase: N/A
Study type: Observational

Endovascular repair of infrarenal abdominal aortic aneurysms (AAA) requires a contrast agent to identify the vascular anatomy and placement of the stent graft. Iodine contrast has traditionally been used, but has the potential to harm the kidneys. Another contrast agent is carbon dioxide gas. It has been proven safe to use, but the quality of the images it creates needs to be compared to iodine contrast. Patients in this study undergo the endovascular AAA repair as they normally, with the iodine contrast. At the end of surgery carbon dioxide gas contrast is given as an extra step. The images will be later evaluated.