Multicenter Trial of Immunotherapy With House Dust Mite Allergoid
ACRI
A Multicentre Randomized Placebo-controlled Double-blind Clinical Trial for Evaluation of Safety and Efficacy of a Specific Immunotherapy With an Aluminium Hydroxide-adsorbed Allergoid Preparation of House Dust Mite (Dermatophagoides Pteronyssinus) in Patients With Rhinitis/Rhinoconjunctivitis and/or Allergic Asthma Bronchiale
2 other identifiers
interventional
108
1 country
1
Brief Summary
Multicenter Immunotherapy House Dust Mite Allergoid
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3
Started Oct 2007
Typical duration for phase_3
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
October 1, 2007
CompletedFirst Submitted
Initial submission to the registry
October 5, 2007
CompletedFirst Posted
Study publicly available on registry
October 8, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2010
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2011
CompletedFebruary 11, 2013
February 1, 2013
2.8 years
October 5, 2007
February 8, 2013
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
The primary endpoint is the change of the area under the curve (AUC)of the Symptom-Medication-Score (SMS)after 2 years of double-blind treatment to baseline
November 2007 - February 2010
Secondary Outcomes (4)
Change of the AUC of the SMS after one year to baseline.
1 year
Change of Nasal Eosinophil Cationic Protein (ECP) after 2 years to baseline
2 years
Immunologic changes IgE, IgG1 and IgG4
2 years
Tolerability and safety of treatments during the entire study period
4 years
Study Arms (2)
P
NO INTERVENTIONsubcutaneous treatment with placebo Placebo- physiological saline containing histamine-dihydrochloride 0.1mL, 0.2mL, 0.4mL, 0.6mL of strength A(1000TU/mL) followed by 0.1mL, 0.4mL, 0.6mL by strength B (10000TU/mL) in weekly intervals
A
EXPERIMENTALActive treatment with house dust mite extract
Interventions
Injection Number Date Proposed Dose Individual Dose Strength A=1000 TU/ml B=10000TU/ml ml Dose per Injection 1. to be det. A 0.1 100 TU 2. 7 (+7) days later A 0.2 200 TU 3. 7 (+7) days later A 0.4 400 TU 4. 7 (+7) days later A 0.6 600 TU 5. 7 (+7) days later B 0.1 1000 TU 6. 7 (+7) days later B 0.2 2000 TU 7. 7 (+7) days later B 0.4 4000 TU 8. 7 (+7) days later B 0.6 6000 TU Maintenance (Init 2,4) 4-6 weekly B 0.6 6000 TU To be continued Injection Number Date Proposed Dose Individual Dose Strength A=1000 TU/ml B=10000TU/ml ml Dose per Injection 1. to be det. A 0.1 100 TU 2. 7 (+7) days later A 0.2 200 TU 3. 7 (+7) days later A 0.4 400 TU 4. 7 (+7) days later A 0.6 600 TU 5. 7 (+7) days later B 0.1 1000 TU 6. 7 (+7) days later B 0.2 2000 TU 7. 7 (+7) days later B 0.4 4000 TU 8. 7 (+7) days later B 0.6 6000 TU Maintenance (Init 2,4) 4-6 weekly B 0.6 6000 TU To be continued
Eligibility Criteria
You may qualify if:
- Positive SPT
- Positive EAST
- Positive specific provocation test
You may not qualify if:
- Serious chronic diseases
- other perennial allergies
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Allergopharma GmbH & Co. KG
Reinbek, 21465, Germany
Related Links
Study Officials
- PRINCIPAL INVESTIGATOR
Herbert Riechelmann, MD
University Ulm, Germany
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 5, 2007
First Posted
October 8, 2007
Study Start
October 1, 2007
Primary Completion
August 1, 2010
Study Completion
December 1, 2011
Last Updated
February 11, 2013
Record last verified: 2013-02