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Dose Ranging Study of the Salmeterol Component of Fluticasone /Salmeterol Spiromax Compared to Fluticasone Spiromax and Advair Diskus in Asthma Subjects

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Teva Pharmaceuticals

Status and phase

Completed
Phase 2

Conditions

Asthma

Treatments

Drug: Fp MDPI
Drug: Advair Diskus
Drug: FS MDPI
Drug: Albuterol

Study type

Interventional

Funder types

Industry

Identifiers

NCT01772368
FSS-AS-201

Details and patient eligibility

About

The primary objective of this study is to evaluate the dose response, efficacy, and safety of 4 different doses of salmeterol Spiromax (6.25, 12.5, 25, and 50 mcg) each combined with a fixed dose of fluticasone propionate (100 mcg) delivered as Fluticasone/Salmeterol Spiromax® Inhalation Powder (FS Spiromax) when administered as a single dose in subjects 12 years of age and older with persistent asthma.

Full description

This was a multicenter, randomized, double-blind and open-label active-controlled, single-dose, 6 period crossover, dose-ranging study conducted in male and female subjects ages 12 years and older with persistent asthma.

Fluticasone propionate multidose dry powder inhaler (Fp MDPI) 50 mcg was provided (to replace the subject's current inhaled corticosteroid (ICS)) throughout the 14 day run-in period and each of the washout periods between treatments. Subjects were instructed to administer 2 inhalations of Fp MDPI 50 mcg (100 mcg total dose) twice daily during the run-in and washout periods. All other medications for the treatment of asthma were discontinued at or prior to the screening visit.

A short-acting β2-adrenergic agonist (SABA), salbuterol HFA, MDI, was provided (to replace the subject's current rescue medication) for symptomatic relief of asthma symptoms in each the run-in, treatment, and washout periods.

Treatment period lasted 5 weeks with a 5 to 7 day washout between each of the six single dose treatments:

fluticasone propionate/salmeterol xinafoate multidose dry powder inhaler (FS MDPI) given in doses of 6.25, 12.5, 25, or 50 mcg of salmeterol xinafoate in blinded fashion. fluticasone propionate multidose dry powder inhaler (Fp MDPI) 100 mcg in blinded fashion ADVAIR DISKUS, 100/50 mcg in open-label fashion

Enrollment

72 patients

Sex

All

Ages

12+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Written informed consent/assent
  • General good health
  • Diagnosis of asthma as defined by the National Institutes of Health (NIH)
  • A best FEV1 of 40%-85% of the predicted normal value during the screening visit (SV)
  • Subjects need to demonstrate a ≥ 15% reversibility of FEV1 within 30 minutes following 4 inhalations of albuterol inhalation aerosol (if required, spacers are permitted for reversibility testing) at the SV.
  • Other inclusion criteria apply

Exclusion criteria

  • History of life-threatening asthma that is defined for this protocol as an asthma episode that required intubation.
  • Culture-documented or suspected bacterial or viral infection of the upper or lower respiratory tract, sinus, or middle ear that is not resolved within 2 weeks prior to the SV.
  • Any asthma exacerbation requiring oral corticosteroids within 3 months of the SV. A subject must not have had any hospitalization for asthma within 6 months prior to the SV.
  • Taking long-acting β-agonists within 2 weeks of the SV
  • Other exclusion criteria apply.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Double Blind

72 participants in 6 patient groups

FS MDPI 100/6.25 mcg
Experimental group
Description:
Subjects inhaled a single dose of 100 mcg fluticasone propionate and 6.25 mcg salmeterol xinafoate.
Treatment:
Drug: Albuterol
Drug: FS MDPI
FS MDPI 100/12.5mcg
Experimental group
Description:
Subjects inhaled a single dose of 100 mcg fluticasone propionate and 12.5 mcg salmeterol xinafoate.
Treatment:
Drug: Albuterol
Drug: FS MDPI
FS MDPI 100/25
Experimental group
Description:
Subjects inhaled a single dose of 100 mcg fluticasone propionate and 25 mcg salmeterol xinafoate.
Treatment:
Drug: Albuterol
Drug: FS MDPI
FS MDPI 100/50
Experimental group
Description:
Subjects inhaled a single dose of 100 mcg fluticasone propionate and 50 mcg salmeterol xinafoate.
Treatment:
Drug: Albuterol
Drug: FS MDPI
Fp MDPI 100 mcg
Active Comparator group
Description:
Subjects inhaled a single dose of 100 mcg fluticasone propionate.
Treatment:
Drug: Albuterol
Drug: Fp MDPI
Advair Diskus 100/50 mcg
Active Comparator group
Description:
Subjects inhaled a single dose of 100 mcg fluticasone propionate and 50 mcg salmeterol xinafoate. This arm is the only arm which is open-label because the inhaler device was different than the MDPI used in the other treatment arms.
Treatment:
Drug: Albuterol
Drug: Advair Diskus

Trial contacts and locations

10

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Data sourced from clinicaltrials.gov

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