Evaluating a new injectable contraceptive for women

CENTRAL LABORATORY FOR PHARMACOKINETIC/PHARMACODYNAMIC EVALUATION OF LEVONORGESTREL BUTANOATE FOR FEMALE CONTRACEPTION

['FUNDING_OTHER'] · OREGON HEALTH & SCIENCE UNIVERSITY · NIH-11177579

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

Quick facts

Phase['FUNDING_OTHER']
Study typeNih_funding
SexAll
SponsorOREGON HEALTH & SCIENCE UNIVERSITY (nih funded)
Locations1 site (PORTLAND, UNITED STATES)
Trial IDNIH-11177579 on ClinicalTrials.gov

What this research studies

This research investigates a new long-acting injectable contraceptive called levonorgestrel butanoate, designed specifically for women, particularly those who are obese and at risk for venous thromboembolism (VTE). The study aims to provide a safer, estrogen-free alternative to traditional contraceptive methods, which often require strict adherence. By conducting a clinical trial, the research will assess the effectiveness and safety of this new contraceptive formulation, potentially offering a more convenient option for women seeking reliable birth control. Participants will be monitored for adherence and any side effects during the trial.

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 obesity or VTE may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide a safer and more effective 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

PORTLAND, 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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.