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Phase 3 N=59 Randomized Double-blind Treatment

Next-Day Residual Effects of Gabapentin, Diphenhydramine and Triazolam on Simulated Driving Performance in Normal Volunteers

Healthy

Enrolled (actual)
59
Serious AEs
0.0%
Results posted
Feb 2021
Primary outcome: Primary: Standard Deviation of Lateral Position (SDLP) — 33.2; 34.2; 35.4; 47.4 centimeter (cm) — p=<0.001

Study Design & Population

Study type
Interventional
Phase
Phase 3
Interventions
Gabapentin (Drug); Diphenhydramine citrate (Drug); Triazolam (Drug); Placebo (Drug)
Age
Adult · 25+ yrs
Sex
All
Sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Primary completion
Dec 2013

Outcome Measures

OutcomeResultp-value
PRIMARY
Standard Deviation of Lateral Position (SDLP)
33.2; 34.2; 35.4; 47.4 <0.001 sig
SECONDARY
Speed Deviation
0.9; 0.9; 1.0; 1.3 <0.001 sig
SECONDARY
Lane Exceedance
37.8; 46.7; 52.4; 147.7 <0.001 sig

Summary

This study will examine the next-day residual effects of a nighttime dose of gabapentin 250 mg, diphenhydramine citrate 76 mg and triazolam 0.5 mg compared to placebo and each other on simulated driving performance in normal volunteer subjects. It will also examine other measures of next-day performance and next-day sleepiness.

Eligibility Criteria

Inclusion Criteria

  • Healthy males and females of non-childbearing potential, 25-55 years of age
  • Valid driver's license

Exclusion Criteria

  • Psychiatric disorder
  • Recent history of clinically significant neurological disorder, such as seizures, stroke, multiple sclerosis, or head trauma
  • Recent histroy or current treatment for sleep disorder
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT01888497). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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