Status:

COMPLETED

Efficacy and Long-Term Safety of Ragweed (Ambrosia Artemisiifolia) Sublingual Tablet in Adults With a History of Ragweed-Induced Rhinoconjunctivitis With or Without Asthma (Study P05233)(COMPLETED)

Lead Sponsor:

ALK-Abelló A/S

Conditions:

Rhinitis; Allergic, With Asthma

Conjunctivitis

Eligibility:

All Genders

18-50 years

Phase:

PHASE2

PHASE3

Brief Summary

This study will evaluate the efficacy and safety of ragweed sublingual tablet (SCH 39641/MK-3641) compared with placebo in participants with ragweed-induced rhinoconjunctivitis over a one-year period....

Eligibility Criteria

Inclusion

  • Must have a clinical history of significant ragweed-induced allergic rhinoconjunctivitis of at least 2 years duration, with or without asthma and have received treatment during the previous RS.
  • Must have a positive skin prick test response to Ambrosia artemisiifolia at Screening Visit.
  • Must be positive for specific immunoglobulin E (IgE) against Ambrosia artemisiifolia at Screening Visit.
  • Must have an forced expiratory volume in 1 second (FEV1) of at least 70% of predicted at Screening Visit.
  • Safety laboratory tests and vital signs conducted at the Screening Visit must be within normal limits or clinically acceptable to the investigator/sponsor

Exclusion

  • Clinical history of symptomatic seasonal allergic rhinitis and/or asthma having received regular medication, due to another allergen during or potentially overlapping the RS.
  • Clinical history of significant symptomatic perennial allergic rhinitis and/or asthma due to an allergen to which the participant is regularly exposed.
  • Receipt of an immunosuppressive treatment within 3 months prior to the Screening Visit (except steroids for allergic and asthma symptoms).
  • Clinical history of severe asthma.
  • Asthma requiring medium or high dose inhaled corticosteroids.
  • History of anaphylaxis with cardiorespiratory symptoms.
  • History of chronic urticaria and angioedema.
  • Clinical history of chronic sinusitis 2 years prior to the Screening Visit.
  • Current severe atopic dermatitis.
  • Breast-feeding, pregnant, or intending to become pregnant.
  • Had previous treatment by immunotherapy with ragweed allergen or any other allergen 5 years prior to Screening Visit.
  • History of allergy, hypersensitivity or intolerance to the ingredients of the investigational medicinal products (except for Ambrosia artemisiifolia), rescue medications, or self-injectable epinephrine.
  • History of self-injectable epinephrine use.

Key Trial Info

Start Date :

September 1 2009

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

May 1 2011

Estimated Enrollment :

565 Patients enrolled

Trial Details

Trial ID

NCT00783198

Start Date

September 1 2009

End Date

May 1 2011

Last Update

March 3 2017

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