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Your journey
1What's a trial
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More info
You can access this
clinical trial
if you have
Complex Regional Pain Syndrome
and you are
over 18
years old
This is a trial in the final phase before the treatment is released on the market.
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The purpose

The aim of this trial was to investigate the safety of intravenous neridronic acid in patients with complex regional pain syndrome (CRPS). The trial was divided into 3 periods: a 60-day enrollment period, a treatment period consisting of 4 infusions over 10 days, and a follow-up period of approximately 50 weeks (with visits at Week 2, Week 6, Week 12, Week 26, Week 39, and Week 52).

Provided treatments

  • Drug: Neridronic acid

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: NCT02972359. The sponsor of the trial is Grünenthal GmbH and it is looking for 580 volunteers for the current phase.
Official trial title:
Open-label Safety Trial of Intravenous Neridronic Acid in Subjects With Complex Regional Pain Syndrome (CRPS)