Skip to main content
Click Here For COVID-19 Studies
Home
Clinical Trials Office Register as a Researcher Log In
364 Studies Now Enrolling
 Menu
Home How It Works Resources Join RecruitMe

Search

Reset

Status

  • Closed (24)

Medical Condition

  • Show all (1929)
  • Addiction (16)
  • Allergy, Asthma, & Immunology (12)
  • All of Us Research Program - NIH (1)
  • Autoimmune Disorders (28)
  • Blood Disorders (38)
  • Bone & Muscle (10)
  • Cancer (749)
  • Child Development (4)
  • COVID-19 (Coronavirus) (37)
  • Critical Illness (1)
  • Dental (2)
  • Developmental Disorders (2)
  • Diabetes (22)
  • Ear, Nose and Throat (11)
  • Endocrine & Metabolic Disease (13)
  • Eye (8)
  • Gastrointestinal and Digestive Diseases (22)
  • Hair and Skin Disorders (2)
  • Headaches (5)
  • Healthy Volunteers (175)
  • Heart Disease (129)
    • (-) Arterial Disease (8)
    • Cardiomyopathy (6)
    • Carotid Artery Stenosis (1)
    • Coronary Artery Disease (9)
    • Heart Failure (11)
    • High Blood Pressure (11)
    • Peripheral Arterial Disease (6)
    • Valve Disease (31)
  • Infectious Disease (48)
  • Insomnia (2)
  • Kidney Disease (12)
  • Liver Disease (49)
  • Lung Disease (32)
  • (-) Meniere's Disease (1)
  • Neurological Disorders (176)
  • Nutrition (4)
  • Obesity (10)
  • Obstetrics & Gynecology (52)
    • Abdominal Cramping (1)
    • (-) Contraception (15)
    • Fertility (2)
    • Preeclampsia (1)
    • Pregnancy (17)
    • Prenatal Abnormalities (1)
    • Reproductive & Hormonal Disorders (2)
  • Pain Management (1)
  • Pediatrics (104)
  • Psychiatric Disorders (65)
  • Rehabilitation (8)
  • Stroke (7)
  • Surgery (7)
  • Transplant (51)
  • Urology (4)
  • Vascular Conditions (9)
Displaying 1 - 24 of 24

Ovaprene Non-Hormonal Contraceptive Ring Study

Condition: Obstetrics & Gynecology / Contraception
Investigator: Paula Castano, MD, MPH
Status: Closed
Ovaprene, is an experimental monthly non-hormonal intravaginal contraceptive being developed as a possible new method of birth control. It consists of a round piece of woven material surrounded by a soft, flexible rubber ring. The ring itself is made of a silicone rubber combined with the following ingredients: ferrous gluconate (a type of iron), Vitamin C…
Read More

Study Seeking to Evaluate the Effectiveness of LB as a Possible Injection Contraception Method (Females Age 18-40)

Condition: Obstetrics & Gynecology / Contraception
Investigator: Paula Castano, MD, MPH
Status: Closed
The study is looking to evaluate levonogestrel butanoate as a possible new long-acting injectable for birth control. Levonogestrel butanoate is a type of hormone called progestin that has a long history of clinical use in a variety of birth control methods (e.g. pills, intrauterine devices, implants) and its efficacy and safety are well recognized. This…
Read More

Safety and Efficacy Study of Transcatheter Closure of Ostium Secundum Atrial Septal Defects (ASDs)

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…
Read More

New Birth Control Pill Study

Condition: Obstetrics & Gynecology / Contraception
Investigator: Carolyn Westhoff, MD
Status: Closed
If you are a woman between the ages of 18 and 35, are pre-menopausal, sexually active and do NOT wish to become pregnant, you are invited to see if you may qualify for a research study. The purpose of this research study is to test the effectiveness of an investigational oral birth control pill. If you qualify, you will receive investigational study…
Read More

The CONFORMAL Early Feasibility Study: Conformal Left Atrial Appendage Closure for Left Atrial Appendage Occlusion

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.
Read More

A follow-up survey for patients with Coronary artery disease who have received the Promus Premier drug eluting stent

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.
Read More

A study for healthy, sexually active women using a hormone-releasing intrauterine contraceptive called LevoCept

Condition: Obstetrics & Gynecology / Contraception
Investigator: Carolyn Westhoff, MD
Status: Closed
This is a study looking to evaluate how well a new hormone-releasing Intrauterine Contraceptive called LevoCept works in healthy, sexually active women. The study will consist of 6 study visits including a screening visit prior to enrollment and monthly telephone calls over the course of a year. The study visits will vary but mostly consist of physical and…
Read More

Study Comparing Two Copper IUDs

Condition: Obstetrics & Gynecology / Contraception
Investigator: Paula Castano, MD, MPH
Status: Closed
Columbia University is conducting a contraceptive clinical trial looking at two intrauterine devices, one of which is investigational. Pre-menopausal women ages 16-40 who are generally healthy, sexually active, at risk for pregnancy, and are not at risk for sexually transmitted infections may qualify.
Read More

A study for healthy women seeking birth control using Agile contraceptive patch, AG200-15

Condition: Obstetrics & Gynecology / Contraception
Investigator: Paula Castano, MD, MPH
Status: Closed
The purpose of this study is to assess the effectiveness of AG200-15 which is an investigational birth control patch. AG200-15 is an investigational birth control patch being developed for use by women who wish to use a skin patch to prevent pregnancy. It contains LNG (levonorgestral) and EE (ethinyl estradiol), which are female sex hormones and are active…
Read More

Study for patients with artery disease using drug coated coronary stent during cartheric cathererization

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.
Read More

A study looking at the effectiveness and safety of a new hormonal IUD (Intrauterine Device)

Condition: Obstetrics & Gynecology / Contraception
Investigator: Carolyn Westhoff, MD
Status: Closed
This study will look at the safety and effectiveness of a new hormonal IUD. This IUD is a small device that a clinician will place in your uterus. It contains a progestin (a hormone) that releases a small amount of hormone to prevent pregnancy. Once the device is in, you will come in for periodic study visits over the course of a year.
Read More

A study for women who want permanent birth control without surgery

Condition: Obstetrics & Gynecology / Contraception
Investigator: Paula Castano, MD, MPH
Status: Closed
The purpose of this study is to test the safety of the FemBloc Permanent Contraceptive System as a method to prevent pregnancy.
Read More

E4 Birth Control Pill Study

Condition: Obstetrics & Gynecology / Contraception
Investigator: Carolyn Westhoff, MD
Status: Closed
This study is studying the effectiveness and safety of a new birth control pill. The pill contains two hormones, drospirenone (a progestin) and estetrol (an estrogen), which combine to prevent pregnancy. Scientists think that estetrol may be safer and have more benefits than other estrogen hormones. The study lasts about one year, and you will come in for 7…
Read More

A study for patients diagnosed with coronary artery disease using the SYNERGY Stent System

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.
Read More

Contraceptive Vaginal Ring

Condition: Obstetrics & Gynecology / Contraception
Investigator: Paula Castano, MD, MPH
Status: Closed
Hormonal Vaginal Ring for Contraception
Read More

A study for patients with Coronary Artery Disease (CAD) using the Orsiro Stent system

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…
Read More

Help us learn how Emergency Contraception (EC) is absorbed

Condition: Obstetrics & Gynecology / Contraception
Investigator: Carolyn Westhoff, MD
Status: Closed
The unintended pregnancy rate is rising despite increased availability and use of different types of emergency contraception (EC) pills. Few studies have addressed reasons for EC failure, yet such an investigation may allow researchers to better understand if EC can be used more successfully.Recently studies have shown that EC failure rates are higher in…
Read More

A study for patients with aortic stenosis using new investigational device Evolut R

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…
Read More

VeraCept Phase III

Condition: Obstetrics & Gynecology / Contraception
Investigator: Paula Castano, MD, MPH
Status: Closed
We are asking you to participate in this research study because you are a woman of child-bearing age or potential and interested in using an intrauterine device (IUD) for birth control for up to 5 years.
Read More

Birth control research study of an investigational intrauterine copper contraceptive

Condition: Obstetrics & Gynecology / Contraception
Investigator: Carolyn Westhoff, MD
Status: Closed
There are over 62 million US women in their child-bearing years, ages 15-44. Thirty-eight million use some form of contraception which included permanent sterilization (tubal ligation or vasectomyin male partner), contraceptive implants, intrauterine devices, injections, pills, patches, vaginal spermicides, and behavioral methods such as coitus interrupts…
Read More

A study for patients with Type 2 Diabetes Mellitus with coronary artery disease using study drug Ticagrelor

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…
Read More

A study for subjects with Unilateral Menieres disease using corticosteroid (OTO-104)

Condition: Meniere's Disease
Investigator: Anil Lalwani, MD
Status: Closed
Meniere's Disease is an inner ear disorder that causes episodes of vertigo. The purpose of this study is to test the effectiveness and safety of OTO-104 compared to placebo in subjects with Menieres disease. OTO-104 contains an active ingredient, called dexamethasone, which is a commonly used corticosteroid that has been prescribed by doctors for…
Read More

Study of Extended Use of Mirena Beyond 5 Years in Women

Condition: Obstetrics & Gynecology / Contraception
Investigator: Paula Castano, MD, MPH
Status: Closed
Do You Have a Mirena IUD? You may qualify for a study on the extended use of the Mirena IUD! You may qualify if you are 18 to 33 years old and had your Mirena placed in 2013. Compensation available for time and effort. Find out if you qualify!
Read More

A study for women using contraceptive study drug LF111

Condition: Obstetrics & Gynecology / Contraception
Investigator: Anne Davis, MD
Status: Closed
The purpose of this study is to find out how safe and effective investigational birth control pill, LF111 may be as a contraceptive, how it affects women's menstrual bleeding patterns, and how long LF111 stays in women's bodies. Participants will take the new experimental birth control pill for one year, and will come to the medical center for 8…
Read More
This website uses cookies as well as similar tools and technologies to understand visitors’ experiences. By continuing to use this website, you consent to Columbia University’s usage of cookies and similar technologies, in accordance with the Columbia University Website Cookie Notice.
I AGREE
COMPLIANCE
Compliance Hotline Compliance Program
RESOURCES
Contact RecruitMe Terms of Use Privacy Policy ©2025 Columbia University
SCHOOLS
Vagelos College of Physicians and Surgeons Mailman School of Public Health School of Nursing College of Dental Medicine Graduate School of Arts and Science