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Displaying 1 - 60 of 60
Condition: Valve Disease / Aortic Valve Disease
Investigator: Torsten Vahl, MD
Status: Currently Recruiting
The objective of the study is to evaluate the safety and efficacy of the JenaValve Pericardial TAVR system when treating patients with aortic regurgitation. Aortic Regurgitation is a condition that develops when the heart's aortic valve does close tightly, therefore the blood leaks back into the heart chamber. The JenaValve Pericardial TAVR system will…
Condition: Heart Disease / Valve Disease
Investigator: Susheel Kodali, MD
Status: Currently Recruiting
This is designed for patients with severe, symptomatic mitral regurgitation who are not candidates for conventional mitral repair.
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: William Fifer, PhD
Status: Currently Recruiting
During pregnancy, a baby's heart rate can tell us a lot about how their brain and body develop. Our team is testing a new, easy-to-use device that you can wear at home to track the baby's heartbeat for up to 24 hours. By using the monitor in your everyday environment, we can learn more about your baby's development in a natural setting,…
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: Claudia Lugo-Candelas, MS, PhD
Status: Currently Recruiting
The Lugo Lab at Columbia University's Department of Psychiatry is conducting a study to better understand experiences related to extreme heat during pregnancy and to inform the development of heat preparedness resources for perinatal care. We are recruiting English-speaking participants who are 18 years of age or older and reside in New York State and…
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: Obstetrics & Gynecology / Pregnancy
Investigator: Matthew Hoffman, MD, MPH
Status: Currently Recruiting
We are conducting a research trial to determine if low dose Aspirin either 81 or 162 mg will prevent preterm birth in patients who have had a previous preterm birth, still birth, or complications of pregnancy including preeclampsia, small for gestational age baby, fetal growth restriction, or placental abruption. You will be randomized to 81 or 162 mg and…
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: Julie Herbstman, PhD, MSc
Status: Currently Recruiting
You are invited to participate in a research study to understand how environmental exposures during pregnancy influence the health and development of children. This study will begin at pregnancy and follow your child through age 13. A trained research worker will work with you and your child, administering questionnaires to you and developmental evaluations…
Condition: Valve Disease / Tricuspid Valve Disease
Investigator: Susheel Kodali, MD
Status: Currently Recruiting
The goal of this early feasibility study is to gain initial insight into the basic safety and performance of transluminal (through the blood vessels) implantation of the PASCAL System's implant (composed of man-made materials). We are trying to evaluate the safety and performance of the PASCAL System with Optimal Medical Therapy (OMT) (also known as…
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: Claudia Lugo-Candelas, MS, PhD
Status: Currently Recruiting
The Lugo Lab at Columbia University's Department of Psychiatry is conducting a study of stress and sleep in childhood and pregnancy, which will take place over the next year. We are recruiting pregnant people who identify as Latinx/Hispanic. You will be compensated for your time! We are flexible in scheduling convenient times for you to come in. The…
TTVR Early Feasibility Study in Patients with Symptomatic Severe Tricuspid Regurgitation - Medtronic
Condition: Valve Disease / Tricuspid Valve Disease
Investigator: Susheel Kodali, MD
Status: Currently Recruiting
This is a research study for patients who have Tricuspid Regurgitation (TR), a condition that occurs when the three leaflets of the heart's tricuspid valve do not close properly causing blood to leak backward with each heartbeat. Since some of the blood leaks backward, the heart has to pump more blood with each beat to push the same amount of blood…
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: Marisa Spann, PhD, MPH
Status: Currently Recruiting
Our team is looking at the relationship between a mother and her baby to see how different prenatal and infant experiences affect a baby's brain development. Specifically, we are looking at maternal immune activation (MIA) and how prenatal exposure to MIA can affect a baby's development. For our study, we ask participants to come in for up to 3…
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: Cristiane Duarte, PhD
Status: Currently Recruiting
The Center for Intergenerational Psychiatry at Columbia University is recruiting pregnant individuals. We want to learn how feeling worried or anxious (or not having these feelings) may impact pregnant individuals and their babies. We would like to invite people from a wide-range backgrounds who are in between 12 to 34 weeks of their pregnancy to…
Condition: Valve Disease / Mitral Valve Disease
Investigator: Isaac George, MD
Status: Currently Recruiting
This is a prospective multicenter study whose purpose is to establish the safety and effectiveness of the Edwards SAPIEN 3 and SAPIEN 3 Ultra valves with Commander delivery system in patients with severe symptomatic calcific mitral valve disease with severe mitral annular calcification (which is a progressive loss of function of the mitral valve due to…
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: Obstetrics & Gynecology / Pregnancy
Investigator: Jennifer Haythe, MD
Status: Currently Recruiting
We are doing this study to test the use of a drug called bromocriptine for women with a condition called Peripartum cardiomyopathy (PPCM). The study will look at how the heart muscle improves in women taking bromocriptine compared to a group of women given a placebo or inactive pill.
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 / 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: Valve Disease / Aortic Valve Disease
Investigator: Tamim Nazif, MD
Status: Closed
The high incidence and variety of conduction disturbances post-TAVR represents a major challenge in the periprocedural management of TAVR recipients. Despite the growing body of knowledge on this topic, the large variability in the management of these complications has translated into a high degree of uncertainty regarding the most appropriate treatment of…
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: Obstetrics & Gynecology / Pregnancy
Investigator: Noelia Zork, MD
Status: Closed
This research study is being done to understand how CPAP for sleep apnea may affect hypertensive disorders of pregnancy and other complications of pregnancy such as gestational diabetes. The purpose of the home sleep test is to find women with sleep apnea. Sleep apnea is when you have one or more pauses in breathing or shallow breaths while you sleep.…
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: Uma Reddy, MD, MPH
Status: Closed
This study will enroll participants who did or did not receive a SARS-CoV-2 vaccine during their pregnancy and have a child who is now 18-30 months of age. In order to assess the long-term outcomes of the offspring of those who received SARS-CoV-2 vaccine in pregnancy, a cohort study examining child developmental outcomes is needed. There are a number of…
Condition: Valve Disease / Mitral Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
This is a randomized controlled trial (RCT) that will compare the clinical outcome of MitraClip device versus surgical repair in patients with severe primary MR who are at moderate surgical risk and whose mitral valve has been determined to be suitable for correction by MV repair surgery by the cardiac surgeon on the local site heart team. In this trial,…
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: Noelia Zork, MD
Status: Closed
Women will be enrolled at or prior to prenatal visit at 34-40 weeks gestation with follow-up visits within 48 hours of delivery, and 6 and 12 months postpartum among the mother and infant. Maternal and infant measurements will be conducted at each visit. The purpose of the study is to estimate cardiovascular disease risk in healthy and medically complicated…
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: S. Zev Williams, MD, PhD
Status: Closed
Researchers at Columbia are looking at the changes that happen in the placenta when people become pregnant. Participation in this study involves a blood draw at three time points. Participants will be paid $50 at each time point. Participants who complete all three time points will receive bonus compensation.
Condition: Valve Disease / Mitral Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
The study is designed to compare the safety and effectiveness of the PASCAL System to the MitraClip System for reduction of degenerative mitral regurgitation.
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: S. Zev Williams, MD, PhD
Status: Closed
Researchers at Columbia are looking into possible viral causes of stillbirth or late-term miscarriages in patients. We are looking for people who have recently had a late-term pregnancy loss (within the past week). Participation in this research involves a one-time blood draw. Participants will receive $50.
Condition: Valve Disease / Tricuspid Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
The Edwards Cardioband Tricuspid Valve Reconstruction FIT valve repair system is a prospective, single arm, multi-center study to evaluate the safety and performance of the Cardioband Tricuspid System. The Edwards Cardioband Tricuspid Valve Reconstruction System is intended for patients with tricuspid regurgitation deemed to be potential candidates for…
Condition: Valve Disease / Aortic Valve Disease
Investigator: Tamim Nazif, MD
Status: Closed
This prospective, multicenter trial is looking at the investigative device called the ACURATE Transcatheter Aortic Valve System for TAVR to see if it is safe and effective in treating patients with severe symptomatic native aortic stenosis. The ACURATE Transcatheter Aortic Valve System for TAVR is designed for iliofemoral access and delivery of a self-…
Condition: Valve Disease / Aortic Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
Aortic stenosis (AS) or narrowing of the arteries remains one of the most common valvular diseases in the Western population requiring intervention. The deterioration of the aortic valve is more common in the older population and usually along with coronary artery disease (CAD) requires the need for treatment. This is a study that is collecting safety and…
Condition: Valve Disease / Tricuspid Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
This is a prospective, single-arm, multi-center, early feasibility study. This research study is for patients who have Tricuspid Regurgitation (TR), a condition that occurs when the three leaflets of the heart's tricuspid valve do not close properly causing blood to leak backward with each heartbeat. Since some of the blood leaks backward, the heart…
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: Natalie Benda, PhD
Status: Closed
Are you currently pregnant or were you pregnant in the last 2 years? We want to hear from you! We are conducting interviews to understand how we can support physical and mental health during pregnancy and postpartum. Interviews will take place virtually over Zoom or via telephone and last about 60 minutes. There are also options to participate in person (…
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: Noelia Zork, MD
Status: Closed
GO MOMs is an observational study designed to characterize the glycemic profile of pregnancy using continuous glucose monitoring (CGM) technology in order to develop criteria using CGM measurements and/or early pregnancy oral glucose tolerance testing (OGTT) at 10w0d-14w0d gestation that are predictive, along with clinical factors, of adverse pregnancy…
Condition: Valve Disease / Aortic Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
This is a prospective, multicenter, non-randomized, single-arm, open-label clinical study, sponsored by Pi-Cardia. Fifteen (15) patients with symptomatic severe Aortic Stenosis (narrowing of the aortic valve) who are considered operable but are not recommended by the heart team for immediate treatment with surgical or transcatheter aortic valve replacement…
Condition: Valve Disease / Tricuspid Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
This is a research study for patients who have Tricuspid Regurgitation (TR), a condition that occurs when the three leaflets of the hearts tricuspid valve do not close properly causing blood to leak backward with each heartbeat. Since some of the blood leaks backward, the heart has to pump more blood with each beat to push the same amount of blood forward.…
Condition: Valve Disease / Aortic Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
The study is to determine whether aortic valve replacement is helpful for patients who have moderate-severe, calcific, aortic stenosis (a narrowing of the aortic heart valve, where calcium has attached to the valve surface, resulting in obstructed blood flow) and do not have symptoms. Subjects will be randomly assigned, l to one of two groups: (1) Treatment…
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: Valve Disease / Mitral Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
This study is designed to look at the safety and performance of The Intrepid TMVR System using transfemoral transseptal access (TF). TF is a procedure that requires access to the femoral vein by an incision in the lower limb between the knee and the hip. The study population is for patients with severe, symptomatic mitral regurgitation (MR), a condition…
Condition: Valve Disease / Aortic Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
The study is to determine whether aortic valve replacement is helpful for patients who have severe, calcific, aortic stenosis (a narrowing of the aortic heart valve, where calcium has attached to the valve surface, resulting in obstructed blood flow) and do not have symptoms.
Condition: Valve Disease / Mitral Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
The study is assessing the safety and effectiveness of the SAPIEN 3 transcatheter heart valve in patients with a failing mitral bioprosthetic valve.
Condition: Valve Disease / Mitral Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
The Millipede Feasibility Study is a prospective, open-label, single-arm study to assess the safety and feasibility of the Millipede Transcatheter Annuloplasty Ring System in subjects with functional mitral regurgitation. The Millipede Annuloplasty Ring System is a novel transcatheter, fully adjustable, complete annuloplasty repair device for the treatment…
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: Rachana Gavara, MD
Status: Closed
This is a study of patients delivering at Columbia University Medical Center-Allen Hospital. The investigators will compare the change in maternal hemoglobin from postpartum day 1 to day 2 and also try to find out if there is a correlation between estimated blood loss and measured blood loss.
Condition: Heart Disease / Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
The LOTUS Edge Valve System is intended to improve aortic valve function in symptomatic subjects with severe aortic stenosis who are at intermediate risk for standard surgical aortic valve replacement (SAVR), including those who have a bicuspid native valve. The study will include subjects presenting with symptomatic severe aortic stenosis who are…
Condition: Obstetrics & Gynecology / Pregnancy
Investigator: Cynthia Gyamfi Bannerman, MD
Status: Closed
The goal of the study is to determine whether coming to the hospital and having the labor started with medicine (i.e., labor induction) at 39 weeks of pregnancy can improve the baby's health at birth when compared with waiting for labor to start on its own.
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: Obstetrics & Gynecology / Pregnancy
Investigator: Cynthia Gyamfi Bannerman, MD
Status: Closed
The purpose of this study is to test the effect of a drug called retosiban on stopping preterm labor and delaying the birth of her baby. We will also study the safety of the drug to find out what effects; good or bad, retosiban has on women in preterm labor and their fetuses. A previous small study, involving 93 women with preterm labor, found that…
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 / Valve Disease
Investigator: Tamim Nazif, MD
Status: Closed
This is a prospective, single-arm, observational, multicenter registry. The intent is to gather information on the commercially approved device, device SAPIEN 3 Ultra transcatheter heart valve (THV). This valve consists of a short metal tube (stent) that holds the valve in its intended position and has valve leaflets made of biological material derived from…
Condition: Valve Disease / Mitral Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
This trial is a non-randomized, prospective, multi-center early feasibility study to evaluate the safety and performance of the AccuCinch system in patients with Heart Failure and Reduced Ejection Fraction HFrEF
Condition: Heart Disease / Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
This research study is for patients with severe aortic stenosis. Patients may be considered for this study if they have a diseased aortic heart valve and who are at low operative risk for standard (traditional) open-heart surgery for aortic valve replacement (TAVR).
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 / Valve Disease
Investigator: Martin Leon, MD
Status: Closed
The goal of this study is to assess the safety and function of this new device to insert an artificial mitral valve. This study is for patients who are a high risk candidate for standard openheart surgery to treat their mitral regurgitation. The standard medical treatments generally available to patients with mitral regurgitation who do not undergo surgery…
Condition: Heart Disease / Valve Disease
Investigator: Tamim Nazif, MD
Status: Closed
Are you scheduled for an interventional vascular procedure (e.g. BAV, TAVR/TAVI, EVAR or TEVAR) inorder to replace a damaged or failing valve? This research style studies the safety and efficacy of an Investigational Device (IDE) called the Cross-Seal Suture-Mediated Vascular Closure Device System. This device has not yet been approved by the FDA for use on…
Condition: Heart Disease / Valve Disease
Investigator: Robert Sommer, MD
Status: Closed
This study has been designed to treat patients with a pulmonary conduit or valve that has a large amount of regurgitation or is too narrow and needs to be replaced.
Condition: Heart Disease / Valve Disease
Investigator: Martin Leon, MD
Status: Closed
The purpose of this study is to find out if the mitral valve can be safely replaced using a procedure that issimpler than the open-heart procedure being used today and may be safer for patients who are at ahigher risk from conventional open-heart surgery. The device being studied would be implanted without the need for an open-heart procedure and without…
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: Valve Disease / Aortic Valve Disease
Investigator: Tamim Nazif, MD
Status: Closed
The objective of this study is to collect outcome data on valve performance and a pre-specified TAVR care pathway. Transcatheter aortic valve replacement (TAVR) has been shown to be a safe and effective treatment for patients with severe aortic stenosis who are at extreme, high, or intermediate surgical risk. Since CoreValveTM became commercially approved…
Condition: Valve Disease / Mitral Valve Disease
Investigator: Susheel Kodali, MD
Status: Closed
The purpose of this study is to evaluate a new device to treat patients who may benefit from the repair of their mitral heart valve due to mitral regurgitation. The device is called the Edwards Cardioband System (Edwards Cardioband System or the device). The device is investigational in the United States but has been approved in Europe. This clinical study…
Condition: Heart Disease / Valve Disease
Investigator: Emile Bacha, MD
Status: Closed
The purpose of this study is to gather more information about how effective the St. Jude Medical (SJM) TMMasters Series 15mm Rotatable Mechanical Heart Valve (15mm valve) is at treating a child's condition, as well as collecting information about the safety of the valve. The childs surgeon will have determined that child will likely require the 15mm…
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…