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Found 991 clinical trials
Natural History Study of Children and Adults With Neuroendocrine Neoplasms (NEN)s

Participants home doctors will be contacted every 6 to 12 months. They will give medical data such as imaging and test results. Participants may have follow-up visits at NIH every 6 to 12 months. Participants will contact researchers if there are any changes in their tumor.

gastrin
proinsulin
5-hydroxyindoleacetic acid
vasoactive intestinal peptide
neuroendocrine tumor
  • 0 views
  • 19 Feb, 2024
COVID-19 in Cancer Patients: Evaluation of Clinical Course and Impact on Oncological Care Including Biobanking

The COVIDHELP study will prospectively evaluate the yet unknown clinical course of the COVID-19 infection in cancer patients and document the impact of potential infrastructural limitations on cancer care of COVID-19 positive patients. All patients consenting will provide peripheral blood samples for prospective biobanking with the aim of investigating immune …

covid-19
cancer care
cancer
  • 0 views
  • 19 Feb, 2024
Effect of Oxalate and Urate Metabolism on CKD Evolution

The current study primarily aimed to characterize the oxalate and uric acid metabolism in CKD patients and to analyze its association with renal survival prognosis. Secondarily, the study is planned to determine whether hyperoxalemia and hyperuricemia are independent risk factors for cardiovascular events and mortality.

oxalate
dialysis
antibiotics
chronic kidney disease, stage 1
hyperuricemia
  • 0 views
  • 19 Feb, 2024
Preoperative Shielding and N/T RT-PCR Swabbing for Elective Cancer Surgery

trial to assess the effectiveness of pre-operative screening for COVID-19 in patients undergoing elective cancer surgery.

cancer surgery
covid-19
cancer
  • 0 views
  • 19 Feb, 2024
Pilot Study - Cognition in Patients With Hypoglycemia Without Diabetes

The purpose of this study is to determine if there is a relationship between recurrent hypoglycemia (low blood sugar) and cognition (thinking) in individuals who have a history of hypoglycemia, but do not have pre-diabetes or diabetes. This study will analyze whether recurrent hypoglycemia is associated with differences in cognition …

cognitive assessment
bariatric surgery
hypoglycemia
gastrointestinal surgery
neuroglycopenia
  • 0 views
  • 19 Feb, 2024
RadioPathomics Artificial Intelligence Model to Predict nCRT Response in Locally Advanced Rectal Cancer

In this study, investigators utilize a radiopathomics integrated Artificial Intelligence (AI) supportive system to predict tumor response to neoadjuvant chemoradiotherapy (nCRT) before its administration for patients with locally advanced rectal cancer (LARC). By the system, whether the participants achieve the pathologic complete response (pCR) will be identified based on the …

adjuvant
adjuvant therapy
rectal cancer
chemoradiotherapy
adjuvant chemotherapy
  • 0 views
  • 19 Feb, 2024
The Risk Stratification in Patients With Multiple Myeloma Based on Fluorescence Flow Cytometry Quantitative Determination of the Circulating Plasma Cells in the Peripheral Blood

The main aim of this study is to evaluate the effectiveness of the clinical application of the XN-1000/20 hematology analyzer for risk stratification in patients with multiple myeloma based on the number of detected plasma cells in peripheral blood at the different stages of treatment. This clinical study is observational …

flow cytometry
multiple myeloma
  • 0 views
  • 19 Feb, 2024
Non-randomized Prospective Comparison Between SASI Bipartition and RYGB

The main aim of this project is to assess the safety and efficiency of the SASI Bipartition.

morbid obesity
sleep apnea
type 2 diabetes mellitus
apnea
gastric bypass
  • 0 views
  • 19 Feb, 2024
Venous Disease in Pediatric Population

Chronic venous disease (CVD) is widespread in adult subjects of western countries and is responsible of important morbidity and healthcare costs. CVD has never been extensively studied in pediatric population where the early pathophysiological alterations may occur undetected. The aim of this study is to assess the prevalence of CVD …

pediatric
venous disease
  • 0 views
  • 19 Feb, 2024
Microvascular Flow and Reactivity in Patients Presenting in the Acute Phase of COVID-19.

Considering that the intensity of systemic microvascular changes in patients in the acute phase of COVID-19 could be related to disease progression and prognosis, the present cross-sectional and observational study aims to investigate the presence of endothelial dysfunction in these patients, also looking for to evaluate associations between the presence …

SARS
covid-19
acute respiratory syndrome (sars)
endothelial dysfunction
  • 0 views
  • 19 Feb, 2024