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NCT03783910 · ClinicalTrials.gov registry record · Phase 2

Efficacy and Safety of GRT9906 Tablets Compared to Placebo in Patients With Fibromyalgia

A Phase 2 study, sponsored by Grünenthal.

Completed
Registry status
Phase 2
Development phase
90
Enrollment target

NCT03783910: Completed Phase 2 study, sponsored by Grünenthal.

NCT03783910 is a Phase 2 study that has completed, run by Grünenthal. The registered enrollment target is 90 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (32% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03783910, a Phase 2 study, has completed, sponsored by Grünenthal.

COMPLETED
Registry status
Phase 2
Development phase
90 participants
Enrollment target

Study Summary

The study was performed in participants suffering from fibromyalgia and investigated efficacy after treatment with several doses of GRT9906 versus placebo. Furthermore, it was to be found out if treatment with GRT9906 was safe and well-tolerated.

Primary Outcome

Participants recorded their daily current pain intensity in an electronic diary from the Enrollment Visit until the day of the last visit in the second treatment period using an 11-point Numerical Rating scale (NRS) ranging from 0 = no pain to 10 = pain as bad as you can imagine. Each treatment period lasted for 6 weeks. For the primary endpoint, the average daily current pain intensity over the last 3 days prior to the last visit per treatment period was calculated.

Interventions

  • DRUG Placebo
  • DRUG GRT9906

Trial Details

FieldValue
Enrollment Target 90 participants
Start Date 2005-09-19
Est. Completion 2006-10-20
Phase Phase 2
Grünenthal

16 total trials

What the finished NCT03783910 record still lists

NCT03783910 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 90 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (32% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT03783910 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03783910 about?

NCT03783910 is a clinical study titled "Efficacy and Safety of GRT9906 Tablets Compared to Placebo in Patients With Fibromyalgia". The study was performed in participants suffering from fibromyalgia and investigated efficacy after treatment with several doses of GRT9906 versus placebo. Furthermore, it was to be found out if treatment with GRT9906 was safe and well-tolerated.

What is the current status of trial NCT03783910?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 90 participants. The study started on 2005-09-19. Estimated completion is 2006-10-20.

What interventions are being tested in trial NCT03783910?

The interventions under investigation include: Placebo (DRUG), GRT9906 (DRUG).

Who is sponsoring clinical trial NCT03783910?

This trial is sponsored by Grünenthal, which has 16 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03783910's enrollment target sits among peer trials

90 772nd of 2000 higher than 1,199 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03783910, the US trial registry maintained by the National Library of Medicine. NCT03783910 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.