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A Bioequivalence Study Of A New Alprazolam Dropped Formulation Versus Alprazolam Tablets

A Phase IV, Open Label, Randomized, Two-way Crossover, Single Dose Study to Determine Relative Bioavailability of Alprazolam 0,75mg/ml (laboratórios Pfizer Ltda) in the Oral Solution-drops Form, Versus Frontal® 0,25mg (laboratórios Pfizer Ltda), in the Tablets Form, Under Fasted Conditions in Healthy Volunteers.

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01322867
Enrollment
30
Registered
2011-03-25
Start date
2011-05-31
Completion date
2011-09-30
Last updated
2021-01-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Keywords

bioequivalence study, alprazolam, frontal

Brief summary

A Phase IV, Open Label, Randomized, Two-way Crossover, Single Dose Study to Determine Relative Bioavailability of Alprazolam 0,75mg/ml (laboratórios Pfizer Ltda) in the Oral Solution-drops Form, Versus Frontal® 0,25mg (laboratórios Pfizer Ltda), in the Tablets Form, Under Fasted Conditions in Healthy Volunteers.

Interventions

0,25 mg oral tablets given once

DRUGalprazolam oral solution

0,75 mg/ml Oral Solution (Drops) given once

Sponsors

Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
BASIC_SCIENCE
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy male and/or female subjects between the ages of 18 and 55 years, inclusive (Healthy is defined as no clinically relevant abnormalities identified by a detailed medical history, full physical examination, including blood pressure and pulse rate measurement, 12-lead ECG and clinical laboratory tests) * The BMI - Body Mass Index of the volunteers should be within the range of 18,5 to 24,9 (Dietary Guidelines for Americans) and it may vary up to 15% due to the upper limit (18,5 to 28,63) and total body weight \>50kg * An informed consent document signed and dated by the subject or a legally acceptable representative. If the subject and/or legally acceptable representative cannot read, then the informed consent document may be signed by an impartial witness * Subjects who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures

Exclusion criteria

* Any condition possibly affecting drug absorption (eg, gastrectomy) * A history of suicidal thoughts, behavior or suicide attempts * Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at time of dosing) * Known hypersensitivity to alprazolam or any components of the product * History of sensitivity to heparin or heparin-induced thrombocytopenia * A positive bHCG exam for women * Subjects with myasthenia gravis or acute narrow angle glaucoma

Design outcomes

Primary

MeasureTime frame
Peak Plasma Concentration (Cmax) of Test Drug and Reference DrugUp to 72h
Area under the plasma concentration versus time curve from time zero to the last measurable concentration of Test Drug and Reference Drug (AUC(0-tlast))Up to 72h

Secondary

MeasureTime frame
Half-life of Test Drug and Reference Drug (T1/2)Up to 72h
Area under the plasma concentration versus time curve from time zero to infinity of Test Drug and Reference Drug (AUC(0-inf))Up to 72h
Area under the curve from the time of dosing (AUC t/inf) extrapolated to infinityUp to 72h
Elimination rate constant (K el)Up to 72h
Time to peak concentration of Test Drug and Reference Drug (Tmax)Up to 72h

Countries

Brazil

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026