Evaluating a new injectable contraceptive for women

CCTN-PHARMACOKINETIC / PHARMACODYNAMIC EVALUATION OF LEVONORGESTREL BUTANOATE FOR FEMALE CONTRACEPTION - CU DENVER

NIH-funded research University of Colorado Denver · NIH-11041830

This study is testing a new long-lasting birth control shot for women, especially those who are obese, to see if it works well and is safe, while also being a good option that doesn't have estrogen and can help lower the risk of blood clots.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Colorado Denver NIH-funded
Lab location1 site (Aurora, UNITED STATES)
Project IDNIH-11041830 on NIH RePORTER

What this research studies

This research investigates a new long-acting injectable contraceptive formulation of levonorgestrel butanoate, designed specifically for women, particularly those who are obese. The study aims to provide an estrogen-free option to reduce the risk of venous thromboembolism (VTE), which is a significant concern for this population. Participants will be involved in a clinical trial to assess the effectiveness and safety of this contraceptive method, which could offer a more convenient alternative to daily pills. The research is conducted by the Eunice Kennedy Shriver National Institute of Child Health and Human Development, focusing on improving contraceptive options for women.

Who could benefit from this research

Good fit: Ideal candidates for this research are women, particularly those who are obese and seeking effective contraception without the risks associated with estrogen.

Not a fit: Patients who are not obese or those who do not require contraception may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide a safer and more convenient contraceptive option for women, especially those at risk of VTE.

How similar studies have performed: Previous research has shown success with other long-acting contraceptive methods, indicating potential for this new approach.

Where this research is happening

Aurora, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.