Study of Drug Exposure in Systemic Circulation of Primatene Mist by Oral Inhalation, Versus Epinephrine Injection by Intramuscular Injection and ProAir by Oral Inhalation in Healthy Individuals

March 4, 2021 updated by: Amphastar Pharmaceuticals, Inc.

Study of Drug Exposure in Systemic Circulation of Primatene Mist (0.25mg) by Oral Inhalation, Versus Epinephrine Injection (0.30mg) by Intramuscular Injection and ProAir (0.18mg) by Oral Inhalation in Healthy Individuals: A Randomized, Safety Evaluator-blind, Three-Treatment, Crossover, Fasting Study

To assess the drug exposure profile in systemic circulation of Primatene Mist by inhalation, versus Epinephrine by intramuscular injection, and ProAir HFA by inhalation in healthy adults.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
28

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • California
      • Cypress, California, United States, 90630
        • Amphastar Study Site 0035

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

14 years to 46 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Agree to participate; understand and sign informed consent;
  • Male and female adults, aged 18 to 50 years, inclusive at Screening;
  • Generally healthy and medically stable, with no clinically significant abnormalities based on physical examination and laboratory tests as determined by the Investigators;
  • Have good venous access;
  • Have normal resting blood pressure and normal heart rate (HR) without history of syncope; a subject with out of range blood pressure may be enrolled in the study at the discretion of the Principal Investigator;
  • Have a body mass index (BMI) of 18.0 - 30.0 kg/m^2;
  • Female candidates must be >1 year post-menopausal or practicing a clinically acceptable form of birth control and confirmed by negative urine or serum pregnancy test at Screening;
  • Negative HIV-Ab, HBs-Ag and HCV-Ab;
  • Negative alcohol test (urine or breathalyzer);
  • Negative drug screening results;
  • Currently non-smoker; have not used any tobacco products for at least three (3) months prior to Screening; and
  • Demonstrate proficiency in the use of MDI and a consistent inhalation time >2.0 seconds after training, for at least three (3) times, with a maximum of 5 attempts.

Exclusion Criteria:

  • Concurrent clinically significant cardiovascular, hematological, renal, neurologic, hepatic, endocrine, psychiatric, or malignant diseases.
  • Known intolerance or hypersensitivity to any component of the study drugs (i.e., Epinephrine, Albuterol Sulfate or any sympathomimetic drugs, HFA-134a, thymol, ethanol, ascorbic acid, nitric acid, and hydrochloric acid).
  • Upper or lower respiratory tract infection, or other systemic infection within 6 weeks prior to Screening;
  • Clinically significant abnormalities in the screening/baseline ECG; prolonged corrected QT interval (QTcF) on ECG: men >450ms, women: >470ms; single or multiple premature ventricular contractions (PVC);
  • Abnormal thyroid function test (if TSH is out of range, refer to T3/T4 for thyroid function assessment);
  • Subject has been on other investigational drug/device studies within 30 days of Screening Visit or planned participation in another investigational drug trial at any time during this trial;
  • Women who are pregnant or lactating or planning a pregnancy during the study period;
  • Subject has donated or lost > 500 mL of blood within 3 months of Screening;
  • Evidence of alcohol or drug abuse or dependency within 6 months prior to screening; or
  • Use of any of the prohibited drugs without appropriate washout.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Primatene Mist, E004
Participants who dosed with Primatene Mist.
Combination product: Epinephrine (0.125 mg/inhalation)
Participants will self-administer 2 inhalations of Epinephrine (0.125 mg/inhalation) for a total dosage of 0.25 mg.
Other Names:
  • Primatene Mist
Active Comparator: Epinephrine Injection Auto-Injector (Generic of EpiPen)
Participants who were dosed with an Epinephrine Injection Auto-Injector.
Combination product: Epinephrine Injection Auto-Injector (0.3mg/0.3mL)
Participants will receive an intramuscular injection of Epinephrine via Auto-Injector (0.30 mg of epinephrine solution in 0.30 mL). The 0.30 mL dose will be given perpendicularly as a single deep intramuscular injection into the anterolateral aspect of the thigh.
Other Names:
  • Generic of EpiPen
Active Comparator: Albuterol HFA
Participants who dosed with Albuterol HFA.
Combination product: Albuterol Sulfate (0.09 mg/inhalation)
Participants will self-administer 2 inhalations of Albuterol Sulfate (0.09 mg/inhalation) for a total dosage of 0.18 mg.
Other Names:
  • Albuterol HFA

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
C[Max], Maximum Plasma Concentration of Albuterol or Epinephrine
Time Frame: Samples were drawn at 30 minutes pre-dose and at 1, 2, 3, 5, 7, 9, 12, 15, 18, 21, 25, 30, 40, 50, 60, 70, 80, 90, 120 minutes, 4, 6, 8, 12, 18, and 24 hours post-dose.
Pharmacokinetic (PK) blood samples will be collected starting 30 minutes before dose and until 24 hours after dose. Plasma will be isolated for analyzing the concentrations of Albuterol and Epinephrine. C[max] will be obtained directly from the plot of PK curve.
Samples were drawn at 30 minutes pre-dose and at 1, 2, 3, 5, 7, 9, 12, 15, 18, 21, 25, 30, 40, 50, 60, 70, 80, 90, 120 minutes, 4, 6, 8, 12, 18, and 24 hours post-dose.
AUC(0-tm)_TOT, Area Under the Curve (AUC) of Total (Exogenous and Endogenous, if Available) Active Product Ingredient (API) From Time 0 to Time (tm)
Time Frame: Samples were drawn at 30 minutes pre-dose and at 1, 2, 3, 5, 7, 9, 12, 15, 18, 21, 25, 30, 40, 50, 60, 70, 80, 90, 120 minutes, 4, 6, 8, 12, 18, and 24 hours post-dose.
Pharmacokinetic (PK) blood samples will be collected starting 30 minutes before dose and until 24 hours after dose. Plasma will be isolated for analyzing the concentrations of Albuterol and Epinephrine. AUC(0-tm)_TOT will be calculated with the trapezoid method. Time tm is defined as the time after C[max] is reached where API concentration is reduced to the levels of the same day baseline.
Samples were drawn at 30 minutes pre-dose and at 1, 2, 3, 5, 7, 9, 12, 15, 18, 21, 25, 30, 40, 50, 60, 70, 80, 90, 120 minutes, 4, 6, 8, 12, 18, and 24 hours post-dose.
AUC(0-tm)_DE, Area Under the Curve (AUC) of Exogenous Active Product Ingredient (API) From Time 0 to Time (tm)
Time Frame: Samples were drawn at 30 minutes pre-dose and at 1, 2, 3, 5, 7, 9, 12, 15, 18, 21, 25, 30, 40, 50, 60, 70, 80, 90, 120 minutes, 4, 6, 8, 12, 18, and 24 hours post-dose.
Pharmacokinetic (PK) blood samples will be collected starting 30 minutes before dose and until 24 hours after dose. Plasma will be isolated for analyzing the concentrations of Albuterol and Epinephrine. AUC(0-tm)_DE will be calculated with the trapezoid method. Time tm is defined as the time after C[max] is reached where API concentration is reduced to the levels of the same day baseline.
Samples were drawn at 30 minutes pre-dose and at 1, 2, 3, 5, 7, 9, 12, 15, 18, 21, 25, 30, 40, 50, 60, 70, 80, 90, 120 minutes, 4, 6, 8, 12, 18, and 24 hours post-dose.
AUC(0-inf), Area Under the Curve (AUC) of Albuterol or Epinephrine From Time 0 to Infinity
Time Frame: Samples were drawn at 30 minutes pre-dose and at 1, 2, 3, 5, 7, 9, 12, 15, 18, 21, 25, 30, 40, 50, 60, 70, 80, 90, 120 minutes, 4, 6, 8, 12, 18, and 24 hours post-dose.
Pharmacokinetic (PK) blood samples will be collected starting 30 minutes before dose and until 24 hours after dose. Plasma will be isolated for analyzing the concentrations of Albuterol and Epinephrine. AUC(0-inf) will be calculated with the extrapolation method.
Samples were drawn at 30 minutes pre-dose and at 1, 2, 3, 5, 7, 9, 12, 15, 18, 21, 25, 30, 40, 50, 60, 70, 80, 90, 120 minutes, 4, 6, 8, 12, 18, and 24 hours post-dose.

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
t[Max], Time at Which Maximum Plasma Concentration of Albuterol or Epinephrine is Observed
Time Frame: Samples were drawn at 30 minutes pre-dose and at 1, 2, 3, 5, 7, 9, 12, 15, 18, 21, 25, 30, 40, 50, 60, 70, 80, 90, 120 minutes, 4, 6, 8, 12, 18, and 24 hours post-dose.
Pharmacokinetic (PK) blood samples will be collected starting 30 minutes before dose and until 24 hours after dose. Plasma will be isolated for analyzing the concentrations of Albuterol and Epinephrine. t[max] will be obtained directly from the plot of PK curve when the maximum concentration is observed.
Samples were drawn at 30 minutes pre-dose and at 1, 2, 3, 5, 7, 9, 12, 15, 18, 21, 25, 30, 40, 50, 60, 70, 80, 90, 120 minutes, 4, 6, 8, 12, 18, and 24 hours post-dose.
t[1/2], Terminal Elimination Half-life of Albuterol or Epinephrine
Time Frame: Samples were drawn at 30 minutes pre-dose and at 1, 2, 3, 5, 7, 9, 12, 15, 18, 21, 25, 30, 40, 50, 60, 70, 80, 90, 120 minutes, 4, 6, 8, 12, 18, and 24 hours post-dose.
Pharmacokinetic (PK) blood samples will be collected starting 30 minutes before dose and until 24 hours after dose. Plasma will be isolated for analyzing the concentrations of Albuterol and Epinephrine.
Samples were drawn at 30 minutes pre-dose and at 1, 2, 3, 5, 7, 9, 12, 15, 18, 21, 25, 30, 40, 50, 60, 70, 80, 90, 120 minutes, 4, 6, 8, 12, 18, and 24 hours post-dose.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Amphastar Pharmaceuticals, Inc.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
December 9, 2019

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
December 20, 2019

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
December 23, 2019

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
December 19, 2019

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
December 19, 2019

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
December 23, 2019

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
March 30, 2021

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
March 4, 2021

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
March 1, 2021

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • API-E004-CL-I

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Undecided

IPD Plan Description

Access to patient level data and supporting clinical documents may be requested by qualified researchers. Requests will be reviewed on the basis of scientific merit. Patient data will be de-identified to protect the privacy of trial patients in line with applicable laws and regulations.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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