Status:

COMPLETED

Assessment of the Contribution of Monophosphoryl Lipid A (MPL) to a Tree Pollen Allergy Vaccine

Lead Sponsor:

Allergy Therapeutics

Conditions:

Type I Hypersensitivity

Eligibility:

All Genders

18-50 years

Phase:

PHASE2

Brief Summary

Allergen-specific immunotherapy (SIT), the administration of gradually increasing quantities of an allergen extract to an allergic patient, is a curative approach which directly treats the underlying ...

Detailed Description

Allergic rhinitis is a nasal inflammatory disorder initiated by an immunoglobulin-E (IgE) mediated hypersensitivity to allergens. When a patient is exposed to an allergen to which he or she is sensiti...

Eligibility Criteria

Inclusion

  • Positive skin prick test for birch and hazel and alder allergen
  • Positive skin prick test to positive histamine control
  • Negative skin prick test to negative control
  • Specific IgE for birch as documented by a radioallergosorbent or equivalent test with class ≥ 2
  • History of at least 1 season of moderate to severe seasonal rhinoconjunctivitis due to an IgE - mediated allergy to pollen from birch and hazel and alder
  • Patients must score on the disease severity questionnaire as moderate or severe.
  • Males or non-pregnant, non-lactating females
  • Willing and able to attend required study visits
  • Able to follow instructions
  • Willing and able to give written informed consent

Exclusion

  • Acute or subacute atopic dermatitis and/or urticaria factitia and/or urticaria due to physical or chemical influence and/or chronic dermatitis
  • Moderate to severe asthma
  • Visual inspection of the forearms indicates potential problems with the conduct or interpretation of the skin prick test; both forearms must be available for testing.
  • History or presence of diabetes, cancer or any clinically significant cardiac, metabolic, renal, or hematologic diseases or disorders
  • Recent clinically significant history of hepatic, gastrointestinal, dermatologic, venereal, neurologic or psychiatric diseases or disorders
  • Any clinically significant abnormal laboratory value at Visit 0
  • Perennial allergens: clinically relevant sensitivity to house dust mites, molds and epithelia
  • Patient has clinically relevant sensitivity to the following summer/autumn season flowering plants: plantain, orache, nettle, mugwort , Bermuda grass, or ragweed.
  • Secondary alteration at the affected organ
  • History of autoimmune diseases
  • Patient is taking ß-blockers for any indication
  • Patient who is not allowed to receive adrenalin
  • Patients in whom tyrosine metabolism is disturbed
  • Presence of a disease with a pathogenesis interfering with the immune response and patient has received medication which could influence the results of this study
  • Documented evidence of acute or significant chronic infection
  • History of anaphylaxis
  • Documented history of angioedema
  • Hypersensitivity to the excipients of the study medication
  • Previous or current hyposensitization therapy with comparable tree allergen extracts
  • Currently using anti-allergy medication and other drugs with antihistaminic activity
  • Patients currently participating in a clinical trial or who have been exposed to study medication within the last 30 days
  • Patients who cannot communicate reliably with the Investigator or who are not likely to cooperate with the requirements of the study
  • Patient is pregnant or planning pregnancy and/or lactating
  • Patient has received treatment with preparation containing monophosphoryl lipid A during the past 12 months
  • Concurrent use of any prohibited medication(s), as listed in the study protocol.
  • Any systemic disorder that could interfere with the evaluation of the study medication(s)
  • Clinical history of drug or alcohol abuse, at the Investigator's discretion, that would interfere with the patient's participation in the study
  • Study site staff or immediate relatives of study site staff or other individuals who would have access to the clinical study protocol

Key Trial Info

Start Date :

July 1 2005

Trial Type :

INTERVENTIONAL

End Date :

September 1 2005

Estimated Enrollment :

40 Patients enrolled

Trial Details

Trial ID

NCT00118625

Start Date

July 1 2005

End Date

September 1 2005

Last Update

June 17 2010

Active Locations (1)

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1

Allied Research International Inc.

Mississauga, Ontario, Canada, L4W 1N2