Evaluating a new injection for estrogen-free female contraception

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

NIH-funded research Boston Medical Center · NIH-11042050

This study is testing a new long-lasting birth control shot called levonorgestrel butanoate, especially for women who are overweight and may be at risk for blood clots, to see if it can offer a safer and easier option compared to regular birth control methods.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionBoston Medical Center NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11042050 on NIH RePORTER

What this research studies

This research investigates a new long-acting injectable contraceptive called levonorgestrel butanoate (LB), designed specifically for women, particularly those who are obese and at risk for venous thromboembolism (VTE). The study aims to provide a safer and more convenient alternative to traditional contraceptive methods, which often require strict adherence. By focusing on an estrogen-free formulation, the research seeks to reduce potential health risks while maintaining effective contraception. Participants will be involved in a clinical trial to assess the efficacy and safety of this new contraceptive method.

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 seeking contraception or those who do not have concerns related to estrogen use may not benefit from this research.

Why it matters

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

How similar studies have performed: Previous research has shown success with other long-acting contraceptive methods, but this specific formulation is novel and aims to address a unique patient population.

Where this research is happening

Boston, 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 2026-06-13 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.