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Completed Phase 4 Interventional Accepts healthy volunteers Results available

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

ClinicalTrials.gov ID: NCT06382662

Public ClinicalTrials.gov record NCT06382662. 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.

ClinicalTrials.gov public records Last synced Oct 22, 2026, 12:37 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Assessment of the Effect of Metaxalone 640 mg (M640) on Truck Driving Ability and Cognition Compared to Tizanidine 8 mg: A Prospective, Single-blind, Within-subject Pilot Study

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

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.

Study identification

NCT ID
NCT06382662
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Primus Pharmaceuticals
Industry
Enrollment
20 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 65 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 29, 2024 (Actual)
Primary completion
Dec 30, 2024 (Actual)
Completion
Mar 6, 2025 (Actual)
Last update posted
Sep 11, 2026

2024 – 2025

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Sun Valley Arthritis Center Peoria Arizona 85381 —

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 NCT06382662, 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 Sep 11, 2026 · Synced Oct 22, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT06382662 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →