348 Studies Now Enrolling
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Displaying 1 - 15 of 15
Condition: Healthy Volunteers
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 11. A trained research worker will work with you and your child,…
Condition: Healthy Volunteers
Investigator: S. Zev Williams, MD, PhD
Status: Currently Recruiting
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: Healthy Volunteers
Investigator: Ellen Morrison, MD, MPH
Status: Currently Recruiting
PrEP (Pre-Exposure Prophylaxis) is medication that is taken to prevent HIV if a person is exposed to HIV. Research is ongoing to develop PrEP medications that may be both convenient and effective. This study is important because people who inject drugs face multiple overlapping individual, social, legal, and structural challenges contributing to a…
Condition: Healthy Volunteers
Investigator: Ellen Morrison, MD, MPH
Status: Currently Recruiting
PrEP (Pre-Exposure Prophylaxis) is medication that is taken to prevent HIV if a person is exposed to HIV. Research is ongoing to identify PrEP medications that are both convenient and effective. This study is important because women in many areas of New York City have high rates of HIV coupled with low utilization of PrEP. The purpose of HPTN 102/Purpose 3…
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…
Condition: Healthy Volunteers
Investigator: Magdalena Sobieszczyk, MD
Status: Closed
The purpose of the study is to test an experimental HIV vaccine. The study vaccine is made from two parts: a man-made piece of protein that looks like a protein found on the outside of HIV and an adjuvant. An adjuvant is a substance that helps the immune system respond better. The study will see if the protein and two different amounts of the same adjuvant…
Condition: Healthy Volunteers
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.
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…
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…
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…
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…
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…
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.
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.
Condition: Healthy Volunteers
Investigator: Magdalena Sobieszczyk, MD
Status: Closed
The HIV Vaccine Trials Network, Division of AIDS, and Columbia University Irving Medical Center are conducting a trial to learn about the safety and effectiveness of 3 experimental HIV vaccines. This is a first-in-human phase 1 clinical trial of experimental HIV vaccines utilizing the mRNA vaccine platform. The 3 different experimental vaccines being tested…
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