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Your journey
1What's a trial
4Get in touch
More info
You can access this
clinical trial
if you have
Suppression of Ovulation
and you are
between 18 and 39
years old
This is a second phase trial assessing
efficacy and side effects of the new treatment.
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The purpose

This clinical trial is an experimental research study using a potential new form of birth control. Clinical trials include people who volunteer to take part in a study. Take your time to decide if you want to be part of this experimental research study. If you want to know more about this study first, ask the study doctor or study site staff. The investigators can also give you the study information written for doctors and clinic staff.

Provided treatments

  • Drug: 10 µg/day E2 with NES 200® µg/day
  • Drug: 20 µg/day E2 with NES 200® µg/day
  • Drug: 40 µg/day E2 with NES 200® µg/day

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01586000. The sponsor of the trial is Health Decisions and it is looking for 197 volunteers for the current phase.
Official trial title:
A Dose-finding Study to Evaluate the Effect of a Contraceptive Vaginal Ring, Releasing Nestorone® and Estradiol, on Cycle Control, Ovulation Inhibition, and Pharmacokinetics in Normal Cycling Women