This trial is terminated!
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Your journey
1What's a trial
4Get in touch
More info
You can access this
clinical trial
if you have
Complex Regional Pain Syndrome (CRPS)
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 is to investigate the efficacy and safety of intravenous neridronic acid in subjects with Complex Regional Pain Syndrome (CRPS). The trial consists of an Enrollment Period lasting up to 60 days, Treatment Period A consisting of 4 infusions (neridronic acid or placebo) over 10 days, and a Follow-up Period 1 until Week 26. At Week 26, participants not meeting the pre-specified criteria to continue into Treatment Period B will continue in Follow-up Period 2 until Week 52. Participants meeting the pre-specified criteria will enter the open-label Treatment Period B with 4 additional infusions (neridronic acid) over 10 days and follow-up visits until Week 52.

Provided treatments

  • Drug: Neridronic acid
  • Drug: Placebo

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: NCT03560986. The sponsor of the trial is Grünenthal GmbH and it is looking for 267 volunteers for the current phase.
Official trial title:
Placebo-controlled Efficacy and Safety Trial of Intravenous Neridronic Acid in Subjects With Complex Regional Pain Syndrome (CRPS)