The Effect of Body Mass Index on Etonogestrel Hormone Levels in Women Using the Single-rod Contraceptive Implant

Completed

Conditions studied: Contraception, Obesity

In brief

Two-thirds of young women in the United States are overweight or obese. This excess weight may affect how their body metabolizes drugs such as different birth control methods. There is a not a lot of research about how excess weight could affect the hormone levels of the contraceptive implant. Methods like the implant contain only progesterone, which is a hormone that does not increase a woman's risk of blood clot. These methods would be preferred for overweight and obese women because excess weight also increases a woman's risk of blood clot. The investigators propose a study comparing blood hormone levels of women using the implant for at least twelve months and in all weight categories. The investigators hope to show that all women, regardless of weight, will have hormone levels high enough to prevent pregnancy.

Key facts

Study ID

NCT01855620

Run by

Columbia University

People needed

52

Starts

2012-12-01

Expected to finish

2014-03-01

Last updated by the study team

2014-04-14

Who can join

Age: any. Sex: female. Healthy volunteers: accepted.

You may qualify if…

• Woman using contraceptive implant for more than 12 months
• English or Spanish-speaking

You may not qualify if…

• None

Where it is running

• Columbia University Medical Center — New York, New York, United States

Full record on ClinicalTrials.gov

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