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Study Evaluating the Safety and Efficacy of MN-221 as an Adjunct to Standard Therapy in Subjects Experiencing an Acute Exacerbation of Asthma

4 septembre 2013 mis à jour par: MediciNova

MN-221-CL-007: A Phase II, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Safety and Efficacy of MN-221 When Administered Intravenously as an Adjunct to Standard Therapy to Adults With an Acute Exacerbation of Asthma

The objective of this clinical study is to examine the safety and effectiveness of intravenous MN-221 compared to placebo when administered as an adjunct to standard therapy in subjects experiencing an acute exacerbation of asthma.

Aperçu de l'étude

Statut

Complété

Les conditions

Description détaillée

This is an international, randomized, double-blind, placebo-controlled, multi-center ED study. Each subject will receive MN-221 or placebo administered through a continuous intravenous infusion in addition to the standardized treatment for an acute exacerbation of asthma.

Upon presentation to the ED for assessment and treatment for an acute exacerbation of asthma the patient should receive standard of care consistent with the international guidelines (e.g., Global Initiative for Asthma [GINA] or the National Asthma Education and Prevention Program [NAEPP]) and required, in part, by this protocol prior to screening procedures being performed.

Prior to any study specific treatment or evaluation being performed a subject must have signed an IRB/EC/REB approved consent form. Once the subject has received the initial treatment regimen the subject will be assessed for response to the treatment including spirometry.If the subject meets all entry criteria the subject will be randomized to receive MN-221 or placebo. Throughout the screening process the subject will continue to receive standardized treatment consistent with the appropriate guidelines for the treatment of acute exacerbations of asthma.

Subjects enrolled in the study will receive an intravenous 1-hour infusion of MN-221 study drug or placebo. Subjects receiving MN-221 will be administered a total dose of 1200 μg.

During the study treatment period, the subject may continue to receive standardized treatment and be assessed. The study treatment period will be approximately 3 hours in length. Safety and efficacy will be monitored throughout the treatment period. PK parameters (if applicable) will be obtained from subjects at selected study sites. A blood sample for genomic evaluation will be collected during the treatment period (at participating sites) if the subject consents to the evaluation. An initial 24-hour post-randomization follow-up visit will be completed to evaluate the subject's health status as well as for safety and PK parameters (if applicable). A second follow-up contact will be completed by telephone seven days post-randomization for safety purposes and to evaluate the subject's health status.

A periodic risk/benefit evaluation will be performed by the study's Data Safety Monitoring Board.

Type d'étude

Interventionnel

Inscription (Réel)

176

Phase

  • Phase 2

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Lieux d'étude

    • California
      • Loma Linda, California, États-Unis, 92354
        • Loma Linda University Medical Center
      • San Diego, California, États-Unis, 92037
        • UCSD Medical Center - Thornton Hospital
      • San Diego, California, États-Unis, 92103
        • UCSD Medical Center
      • Sylmar, California, États-Unis, 91342
        • Olive View - UCLA Medical Center
    • Illinois
      • Maywood, Illinois, États-Unis, 60153
        • Loyola University Medical Center
    • Massachusetts
      • Newton, Massachusetts, États-Unis, 02462
        • Newton - Wellesley Hospital
      • Springfield, Massachusetts, États-Unis, 01199
        • Baystate Medical Center
    • Minnesota
      • Minneapolis, Minnesota, États-Unis, 55415
        • Hennepin County Medical Center
    • Missouri
      • St. Louis, Missouri, États-Unis, 63110
        • Washington University School of Medicine
    • New Jersey
      • Hackensack, New Jersey, États-Unis, 07601
        • Hackensack University Medical Center
    • Ohio
      • Cincinnati, Ohio, États-Unis, 45267-0563
        • University of Cincinnati
    • Pennsylvania
      • Philadelphia, Pennsylvania, États-Unis, 19141
        • Albert Einstein Healthcare Network
    • Rhode Island
      • Providence, Rhode Island, États-Unis, 02903
        • Rhode Island Hospital
    • Texas
      • Dallas, Texas, États-Unis, 75390
        • University of Texas Southwestern Medical Center
    • Virginia
      • Norfolk, Virginia, États-Unis, 23507
        • Sentara General Hospital

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

18 ans à 65 ans (Adulte, Adulte plus âgé)

Accepte les volontaires sains

Non

Sexes éligibles pour l'étude

Tout

La description

Inclusion Criteria:

  • Subjects meeting all of the following criteria will be considered for admission to the study:

    1. Male or female 18 to 65 years of age, inclusive;
    2. Self-reported history of physician-diagnosed and treated asthma for ≥ 3 months prior to randomization;
    3. A diagnosis of an acute exacerbation of asthma upon presentation at the ED as defined by dyspnea and evidence of bronchospasm;
    4. Received the following Standardized Treatment within a 2-hour time window and prior to obtaining the Qualifying Spirometry value(FEV1):

      • Supplemental oxygen given to maintain oxygen saturation as measured by pulse oximetry of ≥ 90% as needed;
      • Albuterol 5-15mg of albuterol via nebulizer prior to the qualifying spirometry evaluation; simultaneously with
      • Ipratropium 0.5-1.5 mg of ipratropium via nebulizer prior to the qualifying spirometry evaluation;
      • One dose of corticosteroid of at least 50 mg given orally (prednisone) or intravenously (methylprednisolone) or the equivalent dose of another corticosteroid.
    5. FEV1 of ≤ 50% of predicted; NOTE: Spirometry to measure the subject's FEV1 expressed as % of predicted within 30 minutes of completing administration of 5 mg (but not more than 15 mg) albuterol and 0.5 mg (but not more than 1.5 mg) of ipratropium..
    6. Negative urine pregnancy test for all females of child-bearing potential;
    7. ECG with no dysrhythmias (except sinus tachycardia);
    8. No clinical or electrocardiographic signs of ischemic heart disease as determined by the Investigator; and
    9. Legally effective written informed consent obtained prior to starting any mandated study procedures

Exclusion Criteria:

Subjects will be excluded if they meet any of the following criteria:

  1. Administration of a parenteral (intravenous or subcutaneous) beta agonist (e. g., albuterol, terbutaline, epinephrine) within 6 hours prior to randomization;
  2. A current or prior diagnosis or suspected diagnosis of COPD or other chronic lung disease other than asthma;
  3. Presence of pneumonia;
  4. Presence of significant other respiratory dysfunction such as pneumothorax, pneumomediastinum, or pulmonary edema;
  5. Known or suspected vocal cord dysfunction syndrome;
  6. Presence of aspirated foreign body (known or suspected);
  7. History or any current clinical evidence suggesting cardiomyopathy or congestive heart failure;
  8. History or presence of tachyarrhythmias, with the exception of sinus tachycardia;
  9. Heart rate ≥ 140 bpm;
  10. Hypokalemia, defined as subjects with serum potassium level of <2.8 mEq/L (≤2.8 mmol/L) obtained at Screening (local stat lab, blood gas analysis, or other point of care device) with the following exception:

    For the subjects using non-potassium-sparing diuretics (i.e. loop-diuretic or thiazide diuretic) without "potassium-sparing diuretics" (e.g., Triamterene or Spironolactone) OR without potassium supplementation of at least KCl 20 mEq/day whose potassium level <3.5 mEq/L (<3.5 mmol/L) at Screening.

  11. Significant cardiac, renal, hepatic, endocrine, metabolic, neurologic or other systemic disease. A significant disease will be defined as one which, in the opinion of the Investigator, may either put the subject at risk because of participation in the study, or may influence the results of the study or the subject's ability to participate in the trial;
  12. Self-reported history of greater than 20 pack-yr smoking history;
  13. Fever ≥ 102.0 ºF (38.9 ºC);
  14. Uncontrolled hypertension defined as a blood pressure ≥ 170/100 mm Hg (22.7/13.3 kPa);
  15. Need for immediate intubation, mechanical ventilation, or non-invasive positive pressure ventilation as determined by the Investigator;
  16. Pregnant or lactating females;
  17. Participated in another clinical study with an investigational drug within 30 days of randomization;
  18. Positive urine drug screen for cocaine, methamphetamine or PCP unless, in the Investigator's clinical judgment, a single positive result is explained by exposure to a non-illicit drug product (i.e., is a false positive). For example, phenylpropanolamine or methylphenidate may read positive in a methamphetamine screen; dextromethorphan in a PCP screen.
  19. Any subject with a known allergy to components of the MN-221 drug product;
  20. Any subject with a known allergy to other beta agonists;
  21. Previous exposure to MN-221; or
  22. Use of theophylline, beta blockers, digoxin, MAO inhibitors, or tricyclic antidepressants within 2 weeks prior to randomization.

Use of non-potassium-sparing diuretics (i.e. Thiazide or Loop-diuretic) without potassium-sparing diuretic OR without potassium supplementation >20 mEq/day within 2 weeks prior to randomization and if serum potassium level at Screening <3.5 mEq/L (<3.5 mmol/L).

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Traitement
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Quadruple

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: 1
MN-221 given i.v. 1-hour infusion a total dose of 1200 μg (40 μg/min for 15 min [600 μg] + 13.3 μg/min for 45 min [600 μg]) as an adjunct to the standard of care for acute exacerbation of asthma.
Dose: intravenous 1-hour infusion of MN-221 (total dose 1200 μg) or matching placebo.
Autres noms:
  • bedoradrine sulfate
Comparateur placebo: Placebo
Placebo (Lot #CLO-095) was packaged in identical vials containing only excipients and administered as an i.v. 1-hour infusion with a regimen as described for MN-221.

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Délai
The primary efficacy analysis will be based on a change in FEV1, expressed as percent of predicted, at Hour 3 when compared to FEV1, expressed as percent of predicted, at the qualifying/screening timepoint.
Délai: Hour 3
Hour 3

Mesures de résultats secondaires

Mesure des résultats
Délai
Change from baseline FEV1 % of predicted (at time points other than Hour 3)
Délai: Hours 1, 2, 3, and 24
Hours 1, 2, 3, and 24
Change from baseline FEV1 (L)
Délai: Hours 1, 2, 3 and 24
Hours 1, 2, 3 and 24
Change from baseline PEFR (L/sec)
Délai: Hours 1, 2, 3 and 24
Hours 1, 2, 3 and 24
Change from baseline PEFR, expressed as percent (%) of predicted
Délai: Hours 1, 2, 3and 24
Hours 1, 2, 3and 24
Improvement in Dyspnea index scale
Délai: Hours 1, 2, 3, 24 and Day 8
Hours 1, 2, 3, 24 and Day 8
Percent of subjects with an improvement in FEV1 ≥ 200cc
Délai: Hours 1, 2, 3 and 24
Hours 1, 2, 3 and 24
Percent of subjects with an improvement in FEV1, % predicted ≥ 5%
Délai: Hours 1, 2, 3 and 24
Hours 1, 2, 3 and 24
Percent of subjects with and improvement in FEV1, % predicted ≥ 10%
Délai: Hours 1, 2, 3 and 24
Hours 1, 2, 3 and 24
Subjects Hospitalized ( within 24 hour from start of study drug infusion)
Délai: Within 24 hours from start of study drug infusion.
Within 24 hours from start of study drug infusion.
Admitted to ICU (within 24 hours from start of study drug infusion)
Délai: Within 24 hours from start of study drug infusion.
Within 24 hours from start of study drug infusion.
Number of albuterol treatments to achieve an increase in FEV1% of predicted ≥ 15%
Délai: Hours 3
Hours 3
Total dose or number of albuterol treatments in first 3 hours following commencement of randomized medication.
Délai: No specific time points
No specific time points
Time to achieve an increase of FEV1% of predicted ≥ 15%
Délai: No specific time points
No specific time points
Time to initial albuterol treatment following the commencement of randomized medication
Délai: No specific time points
No specific time points
Hospital length of stay
Délai: No specific timepoints
No specific timepoints

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

Les enquêteurs

  • Directeur d'études: Kazuko Matsuda, MD, MediciNova

Publications et liens utiles

La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude

1 mars 2009

Achèvement primaire (Réel)

1 mars 2012

Achèvement de l'étude (Réel)

1 mars 2012

Dates d'inscription aux études

Première soumission

5 février 2009

Première soumission répondant aux critères de contrôle qualité

5 février 2009

Première publication (Estimation)

6 février 2009

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Estimation)

5 septembre 2013

Dernière mise à jour soumise répondant aux critères de contrôle qualité

4 septembre 2013

Dernière vérification

1 septembre 2013

Plus d'information

Termes liés à cette étude

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

Non

produit fabriqué et exporté des États-Unis.

Non

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .

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