233 Studies Now Enrolling
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Displaying 201 - 204 of 204
Condition: Obstetrics & Gynecology / Contraception
Investigator: Paula Castano, MD, MPH
Status: Closed
Hormonal Vaginal Ring for Contraception
Condition: Healthy Volunteers
Investigator: Carolyn Westhoff, MD
Status: Closed
Tired of having to remember to take your birth control? 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 contraceptive vaginal ring. If…
Condition: Healthy Volunteers
Investigator: Cassia Wells, MD
Status: Closed
Antibodies are one of the natural ways that our bodies fight or prevent infection. We're testing an antibody to find out if it's safe, if they don't make people feel uncomfortable, how these study antibodies move throughout the body, and to measure antiviral activity. You cannot get HIV from the study antibody. First, request to be contacted…
Condition: Healthy Volunteers
Investigator: Daphna Shohamy, PhD
Status: Closed
The Learning Lab at Columbia University is conducting computer based behavioral studies to address fundamental questions regarding the nature of learning, memory, and decision making. Specifically, we will use behavioral methods to investigate the extent to which learning, memory and decision making may be modulated by factors such as novelty, trial-by-…