Viewing Study NCT00635505


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Study NCT ID: NCT00635505
Status: TERMINATED
Last Update Posted: 2013-07-15
First Post: 2008-03-07
Is NOT Gene Therapy: False
Has Adverse Events: False

Brief Title: Controlled, 12-Week Study of Albuterol HFA Versus the Active Control, Proventil(R)-HFA in Asthmatic Patients
Sponsor: Amphastar Pharmaceuticals, Inc.
Organization:

Study Overview

Official Title: Randomized, Placebo-Controlled, Parallel, Multi-Center, 12-Week Study to Evaluate the Efficacy and Safety of Albuterol HFA Versus the Active Control, Proventil(R)-HFA in Adult and Adolescent Asthmatic Patients
Status: TERMINATED
Status Verified Date: 2012-07
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: IND voluntarily withdrawn, without prejudice
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief Summary: This 12-week clinical study evaluates the safety and efficacy of Albuterol Sulfate HFA Inhalation Aerosol (Albuterol-HFA, or: A004), Armstrong's proposed HFA formulation of metered dose inhaler (MDI) of Albuterol (Treatment T), in comparison with:

1. Placebo control: (HFA propellant only, Treatment P); and
2. Active control: 3M/Key's Proventil-HFA (Treatment R).

The treatments will be given as self-administered oral inhalations in adult and adolescent patients with mild-to-moderate asthma, for 12-weeks. Dosing regimen throughout the 12-week study is two actuations four times daily (QID).
Detailed Description: This is a randomized, parallel, multicenter, 12-week study in adolescent and adult patients with mild-to-moderate asthma, to evaluate the efficacy and safety of Armstrong's Albuterol-HFA MDI, in comparison to a Placebo Control and an Active Control of Proventil-HFA. While Albuterol-HFA (Treatment T) and Placebo (Treatment P) will be double-blinded to both the subjects and investigational staff, the active comparator drug, Proventil-HFA (Treatment R), can only be evaluator-blinded, due to: (1) its physical appearance differing from that of the T and P devices; and (2) unavailability of a Proventil-HFA placebo which would otherwise be used for a double-dummy design. All study medications will have the canisters and all product-identifying text or graphics (e.g., molded text on actuator) masked so that the treatments cannot be identified. No subject in any study arm will be given any information that could reveal the nature of the treatment given. All study subjects will be instructed not to reveal or discuss the study medications to the study staff or other subjects. The designated study evaluator(s), who conduct the clinical visits and safety and efficacy evaluations and perform the data recording and transcription, will be blinded to the study medications.

All subjects will be screened for enrollment, and will be randomized into the following three treatment groups in a double-blinded (for Treatments T and P) or evaluator-blinded (for Treatment R) manner:

Treatment T (Albuterol-HFA, N=200): 216 mcg albuterol sulfate (equivalent to 180 mcg albuterol base), QID; Treatment R (Proventil-HFA, N=50): 216 mcg albuterol sulfate (equivalent to 180 mcg albuterol base), QID; Treatment P (Placebo-HFA, N=50): two actuations of placebo, QID.

Randomization is achieved with blocks of six (6), with four (4) patients receiving Albuterol-HFA for every one (1) patient receiving Proventil-HFA and every one (1) receiving the Placebo-HFA. At each Clinical Visit that takes place every 3 weeks, the double-blinded (T, P) or evaluator-blinded (R) study drugs will be distributed in resealable masking pouches to the subjects of each arm.

An additional aim of the study is to evaluate the effect of weekly cleaning on the Albuterol-HFA MDI device clinical performance throughout the four, 3-week life-of-device treatment cycles, in conformance with the FDA's specific requirements.

Arms:

All subjects will be screened for enrollment, and will be randomized into the following three treatment groups in a double-blinded (for Treatments T and P) or evaluator-blinded (for Treatment R) manner:

Treatment T (Albuterol-HFA, N=200): 216 mcg albuterol sulfate (equivalent to 180 mcg albuterol base), QID; Treatment R (Proventil-HFA, N=50): 216 mcg albuterol sulfate (equivalent to 180 mcg albuterol base), QID; Treatment P (Placebo-HFA, N=50): two actuations of placebo, QID.

Study Oversight

Has Oversight DMC: False
Is a FDA Regulated Drug?: None
Is a FDA Regulated Device?: None
Is an Unapproved Device?: None
Is a PPSD?: None
Is a US Export?: None
Is an FDA AA801 Violation?: