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Study identifier: NCT06382662 Synced from ClinicalTrials.gov · August 09, 2026
● Study status: Completed

Assess the Effect of Metaxalone 640 mg (M640) Compared to Tizanidine 8 mg on Truck Driving Ability and Cognition

Condition: Cognitive Impairment  ·  Sponsor: Primus Pharmaceuticals

PhasePhase 4
Planned participants20
Who can joinAll sexes, 20 Years to 70 Years
Healthy volunteersYesCheck eligibility criteria ↓
WherePeoria, Arizona, United States
For sponsors, CROs & site teams
Professional view of this study — listed sites, countries and recruiting context from the public registry. Everything below is written for patients and caregivers.Open the site landscape →

About this study

Every participant will receive active study drug and one (1 )comparator, in two (2) stages, one after the other. Each drug will be taken one (1) time after a high fat meal. Vital signs and discussion of medications, illness or injury are considered safety assessments and will be discussed at every visit. There will be ( four (4) visits.

This description comes directly from the study's public registry record.

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No contact information is available for this study as per the public registry record.

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Full eligibility criteria (exactly as the study team wrote them)

Inclusion Criteria: * equal to or greater than 20 years old * weight at least 120 pounds * medically healthy * able to eat a high fat meal Exclusion Criteria: * medications known to affect sleep-wake cycle * current use of cimetidine * current use of certain anti-depressants * current us of certain antibiotics * positive urine drug test for mind altering medications

Reproduced word-for-word from the public registry record — the study team can answer questions about it.

Locations (1)

Sun Valley Arthritis CenterPeoria, Arizona, United States

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Peoria

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