235 Studies Now Enrolling
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Displaying 1 - 22 of 22
Condition: Endocrine & Metabolic Disease
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are conducting a research study on the effect of high insulin levels on the buildup of excessive liver fat ("fatty liver disease") in people at risk for type 2 diabetes. We are seeking adult volunteers, ages 18-65, who have obesity with a body mass index of 30-45, and have been diagnosed with, or are at risk for, prediabetes and metabolic…
Condition: Endocrine & Metabolic Disease
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are conducting a research study on how insulin controls blood sugar in both healthy people and those at risk of type 2 diabetes. We are seeking adult volunteers, aged 18-65, who have body mass indices either in the lean range (18-25 kg/m2) or in the obesity range (30-45 kg/m2) but who do not have prediabetes or diabetes. Participants will undergo a…
Condition: Endocrine & Metabolic Disease / Cushing's Disease
Investigator: Pamela Freda, MD
Status: Closed
This study is for individuals who have Cushings disease and want to join voluntarily in this study to find out if a study drug called osilodrostat (LCI699) is safe and has beneficial effects in people who have Cushings disease. Cushings disease is a rare but debilitating disease. Cushings disease is caused by a benign tumor of the pituitary gland. The tumor…
Condition: Endocrine & Metabolic Disease / Cushing's Disease
Investigator: Amanda Tsang
Status: Closed
The purpose of this study is to determine if measuring blood levels of proteins called POMC, AgRP, and chromogrannin A (CGA) can be used to diagnose and track tumor growth and recurrence in patients that have ACTH-dependent Cushing's syndrome, non-secreting pituitary tumors, and other neuroendocrine tumors. We invite you to participate if you have: a…
Condition: Endocrine & Metabolic Disease
Investigator: Aviva Sopher, MD, MS
Status: Closed
Polycystic ovary syndrome (PCOS) is one of the most common endocrine disorders in women ofreproductive age, affecting about 7% of this population when using the strictest diagnostic criteria and frequently presents in adolescence and young adulthood. Diagnostic features of PCOS includehyperandrogenism and ovulatory dysfunction. Additionally, both obese and…
Condition: Endocrine & Metabolic Disease
Investigator: Judith Korner, MD
Status: Closed
The purpose of these studies is to gain an understanding of the mechanisms that promote weight loss and improved glucose control. The ultimate goal is to identify therapeutic pathways for obesity and diabetes as a way to optimize surgical procedures and discover novel non-surgical targets for safe and effective drug therapy. Participants with obesity will…
Condition: Endocrine & Metabolic Disease
Investigator: Joshua Cook, MD, PhD
Status: Closed
We are recruiting healthy volunteers, aged 18-65, for a research study on the buildup of excessive liver fat ("fatty liver disease") in people with or at risk for type 2 diabetes because their bodies are resistant to the actions of the blood sugar-lowering hormone, insulin. To do this, we seek to induce temporary insulin resistance in 10-12…
Condition: Heart Disease / Arterial Disease
Investigator: Robert Sommer, MD
Status: Closed
This is a prospective, single arm, three stage, multi-site, clinical investigation evaluating the safety and efficacy of the Carag Bioresorbable Septal Occluder (CBSO) to treat patients with clinically significant hole in the atrial septal defect compared to other commercially approved devices. The study is being done to determine the safety and efficacy of…
Condition: Heart Disease / Arterial Disease
Investigator: Robert Sommer, MD
Status: Closed
This prospective, multicenter, open-label, single arm, first-in human study will enroll up to 75 subjects aimed at examining the performance of the LAAC device for LAA closure.
Condition: Heart Disease / Arterial Disease
Investigator: Tamim Nazif, MD
Status: Closed
The purpose of this study is to survey patients who have undergone a percutaneous coronary intervention (PCI) at Columbia University Medical Center in which the physician used a stent called the Promus Premier stent. Patients will be asked to do a brief 15-30 minute survey regarding their health since the PCI and stent implantation.
Condition: Endocrine & Metabolic Disease / Cushing's Disease
Investigator: Pamela Freda, MD
Status: Closed
The purpose of this study is to confirm the effectiveness and safety of LCI699 in treating patients with Cushing's disease. Patients will be treated with the invesitigational drug LCI699 at doses up to 60 mg a day, and possibly for a short period of time with placebo. A placebo is a dummy drug ("pill") with no active medicine inside.
Condition: Endocrine & Metabolic Disease
Investigator: Pamela Freda, MD
Status: Closed
This study is for patients who have been diagnosed with acromegaly and have been treated with the injectable medications ocreotide or lanreotide for at least 6 months. You should have had the same dose for at least 4 months, and be adequately controlled. The purpose of this study is to compare the safety and effectiveness of an investigational new drug…
Condition: Heart Disease / Arterial Disease
Investigator: Kumar Kalapatapu, MD, FACC
Status: Closed
The purpose of this study is to evaluate the Biosensors BioFreedom Biolimus A9 Drug Coated Coronary Stent on people with coronary artery disease (blockages in the heart arteries) to determine if it is safe and effective.
Condition: Endocrine & Metabolic Disease
Investigator: Blandine Laferrere, MD, PhD
Status: Closed
This is a research study for subjects who have had gastric bypass surgery at least one year ago, and currently have type 2 diabetes. This study is looking at the treatment of diabetes after gastric bypass surgery. About 40% of patients do not experience diabetes remission after gastric bypass surgery. Of the patients who initially go into remission, about…
Condition: Heart Disease / Arterial Disease
Investigator: Manish Parikh, MD
Status: Closed
The purpose of this research is to find out whether it is safe to shorten the length of time that people at high risk for bleeding take blood thinners after being treated with a coronary stent.
Condition: Heart Disease / Arterial Disease
Investigator: Michael Collins, MD
Status: Closed
This study is for patients with Coronary Artery Disease (CAD) and require a stent placement. The purpose of this clinical research study is to assess the safety and effectiveness of the Orsiro stent or a non-investigational Xience stent. The Orsiro stent is investigational, which means it is not yet approved by the FDA and can only be used in research…
Condition: Endocrine & Metabolic Disease / Growth Hormone Deficiency
Investigator: Pamela Freda, MD
Status: Closed
The purpose of this study is to investigate how well weekly injections of the growth hormone drug NNC0195-0092 works in adults with growth hormone deficiency. Growth hormone deficiency is a disorder that involves the pituitary gland (a small gland located at the base of the brain). The gland produces growth hormone and other hormones (chemical messengers of…
Condition: Healthy Volunteers / Exercise
Investigator: Richard Sloan, PhD
Status: Closed
This study focuses on the effects of aerobic conditioning on cognition and brain activity. Eligible participants will complete an exercise stress test, MRI, and cognitive testing session at the beginning and end of the study. Once participants complete the first set of appointments, they will be randomly assigned to one of two conditions for 12-weeks.…
Condition: Heart Disease / Arterial Disease
Investigator: Susheel Kodali, MD
Status: Closed
The purpose of this research study, is to learn whether an experimental device (called Evolut R) can help clear hardened blockage in coronary arteries (blood vessels that feed the heart muscle) in patients with a disease is called aortic stenosis.Subjects that choose to participate and are eligible will have their interventional cardiologist use this device…
Condition: Endocrine & Metabolic Disease
Investigator: Aviva Sopher, MD, MS
Status: Closed
Polycystic ovary syndrome (PCOS) is a common disorder. Young women with PCOS have irregular or absence of menstruation and excessive acne and or hair on their bodies. They may have multiple cysts on their ovaries. Adolescents and women affected with PCOS are at risk of developing abnormalities in their blood including high fat, low HDL cholesterol (good…
Condition: Healthy Volunteers / Exercise
Investigator: Richard Sloan, PhD
Status: Closed
This study focuses on the effects of aerobic conditioning on cardiovascular function and inflammatory response. Eligible participants will complete an exercise stress test, laboratory visit, and cognitive testing session at three specific time points over the course of the study. Once the initial set of appointments is complete, participants are randomly…
Condition: Heart Disease / Arterial Disease
Investigator: Melvin Weiss, MD, FACC
Status: Closed
The purpose of this study is to see if a new medication called ticagrelor given twice daily ismore effective than aspirin alone in preventing the occurrence of heart attack, stroke and/ordeath due to cardiovascular events in patients who have type 2 diabetes. Ticagrelor is anantiplatelet therapy (stop platelets from clumping together) and is approved for…