Bioequivalence Of A Test Alprazolam Sublingual Formulation Compared To A Commercial Sublingual Formulation

This study tests the assumption that the bioavailability of alprazolam from a new sublingual formulation is the same as that from sublingual formulation expected to be used commercially in Brazil...

Date First Received: April 7, 2009

Last Updated: December 7, 2009

Verified by: Pfizer, December 2009

Clinical Trial Phase: Phase 1 | Start Date: February 2010

Overall Status: Not yet recruiting

Estimated Enrollment: 24

Brief Summary

Official Title: “Open-Label, Randomized, Single-Dose, 2-Way Crossover Bioequivalence Study Comparing A New Alprazolam Sublingual Tablet Formulation To A Reference Alprazolam Sublingual Tablet”

This study tests the assumption that the bioavailability of alprazolam from a new sublingual formulation is the same as that from sublingual formulation expected to be used commercially in Brazil.

Study Type: Interventional

Study Design: Basic Science, Randomized, Open Label, Crossover Assignment, Bio-equivalence Study

Study Primary Completion Date: March 2010

Intervention(s) in this Clinical Trial

  • Drug: alprazolam sublingual tablet commercial
    • 0.5 mg sublingual tablet, single dose
  • Drug: alprazolam sublingual tablet test
    • 0.5 mg tablet, single dose

Arms, Groups and Cohorts in this Clinical Trial

  • Active Comparator: alprazolam sublingual tablet reference
  • Experimental: alprazolam sublingual tablet test

Outcome Measures for this Clinical Trial

Primary Measures

  • Alprazolam bioavailability assessed as area under the concentration-time curve (AUC) and maximum concentration (Cmax)
    • Time Frame: 11 days
      Safety Issue?: No

Secondary Measures

  • Alprazolam time of maximum concentration (Tmax) and half life
    • Time Frame: 11 days
      Safety Issue?: No
  • Adverse events, clinical laboratory tests, vital signs
    • Time Frame: 11 days
      Safety Issue?: Yes

Criteria for Participation in this Clinical Trial

Inclusion Criteria:

  • Healthy male or female subjects
  • BMI 17.5 - 30.5
  • Must provide informed consent

Exclusion Criteria:

  • Clinically significant disease
  • Narrow angle glaucoma
  • Positive drug screen

Gender Eligibility for this Clinical Trial: Both

Minimum Age for this Clinical Trial: 18 Years

Maximum Age for this Clinical Trial: 55 Years

Are Healthy Volunteers Accepted for this Clinical Trial?: Accepts Healthy Volunteers

Clinical Trial Sponsor Information

Lead Sponsor: Pfizer

Overall Clinical Trial Officials and Contacts

Pfizer CT.gov Call Center Study Director Pfizer  

Overall Contact: Pfizer CT.gov Call Center 1-800-718-1021 

Additional Information

Information obtained from ClinicalTrials.gov on February 08, 2010

Link to the current ClinicalTrials.gov record. http://clinicaltrials.gov/show/NCT00877955

Study ID Number: A6131019

ClinicalTrials.gov Identifier: NCT00877955

Health Authority: India: Drugs Controller General of India

To obtain contact information for a study center near you, click here.

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