Your journey
1What's a trial
4Get in touch
More info
You can access this
clinical trial
if you have
Premature Birth
and you are
over 18
years old
The primary goal of this phase is to monitor the long-term effects.
The treatment is already on the market.
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The purpose

The purpose of this study is to evaluate the two suggested therapies for prevention of recurrent preterm birth (PTB) in women with a prior spontaneous preterm birth, vaginal and intramuscular progesterone to determine whether vaginal progesterone is superior to intramuscular progesterone in the prevention of recurrent preterm birth.

Provided treatments

  • Drug: Vaginal Progesterone
  • Drug: Intramuscular Progesterone (17 alpha hydroxprogesterone caproate)
Wondering what is the locations section for?
We will connect you to the doctor responsible for this trial and help you get more information.

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: NCT02913495. The sponsor of the trial is Thomas Jefferson University and it is looking for 224 volunteers for the current phase.
Official trial title:
Vaginal Versus Intramuscular Progesterone for the Prevention of Recurrent Preterm Birth