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Websites
- Population Council. NCT00791297: study to evaluate the safety and efficacy of two contraceptive vaginal rings delivering a daily dose of 1500 or 2500 µg of CDB-2914 http://clinicaltrials.gov/ct2/show/NCT00791297 (Accessed 13 November 2008)
- HRA Pharma. NCT004111684: safety and efficacy of CDB-2914 for emergency contraception http://clinicaltrials.gov/ct2/show/NCT00411684 (Accessed 21 April 2008)
- HRA Pharma. NCT00551616: safety and efficacy of CDB-2914 in comparison to levonorgestrel for emergency contraception http://clinicaltrials.gov/ct2/show/NCT00551616 (Accessed 21 April 2008)
- National Institutes of Health Clinical Center. NCT00290251: treatment of uterine fibroids with the selective progesterone receptor modulator CDB-2914 http://clinicaltrials.gov/ct2/show/NCT00290251 (Accessed 2 August 2007)