Efficacy and Safety of GRT9906 Tablets Compared to Placebo in Patients With Fibromyalgia
Public ClinicalTrials.gov record NCT03783910. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Cross-over Multiple Dose Study Assessing the Analgesic Efficacy and Safety of Oral GRT9906 Compared to Placebo in Subjects With Primary Fibromyalgia Syndrome
Study identification
- NCT ID
- NCT03783910
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Grünenthal GmbH
- Industry
- Enrollment
- 90 participants
Conditions and interventions
Conditions
Interventions
- GRT9906 Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 75 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 18, 2005
- Primary completion
- Sep 30, 2006
- Completion
- Oct 19, 2006
- Last update posted
- Dec 20, 2018
2005 – 2006
United States locations
- U.S. sites
- 6
- U.S. states
- 4
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| 006 Research Facility | DeLand | Florida | 32720 | — |
| 005 Research Facility | Charlotte | North Carolina | 28210 | — |
| 004 Research Facility | Medford | Oregon | 97504 | — |
| 002 Research Facility | Portland | Oregon | 97239 | — |
| 001 Research Facility | San Antonio | Texas | 78213 | — |
| 003 Research Facility | San Antonio | Texas | 78229 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03783910, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 20, 2018 · Synced May 12, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03783910 live on ClinicalTrials.gov.