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Table 2 Allergen used for each participant and the concentration at which they qualified during the screening visit

From: The Allergic Rhinitis – Clinical Investigator Collaborative (AR-CIC): nasal allergen challenge protocol optimization for studying AR pathophysiology and evaluating novel therapies

QAC Study

CAC Study

 

Study ID

Allergen

Max. Allergen Conc.

 

Study ID

Allergen

Max. Allergen Conc.

Queen’s University

A046 109

Ragweed

1:128

Queen’s University

A083 117

Ragweed

1:8

A017 110

Ragweed

1:128

A015 114

Ragweed

1:128

A096 112

Ragweed

1:128

A053 118

Ragweed

1:32

A050 113

Ragweed

1:128

A044 119

Ragweed

1:32

A081 105

Ragweed

1:32

A079 116

Ragweed

1:8

A033 104

Ragweed

1:512

A056 115

Ragweed

1:2

A019 106

Ragweed

1:32

A016 125

Ragweed

1:32

A001 108

Ragweed

1:2048

A060 124

Ragweed

1:128

A066 103

Ragweed

1:128

A083 129

Ragweed

1:32

A090 102

Ragweed

1:512

A048 131

Ragweed

1:32

Université Laval

A070 301

Std D. farinae

1:32

A002 123

Non-Allergic

1:2

A095 302

Grass mix (5)

1:32

A061 126

Non-Allergic

1:2

A008 303

Grass mix (5)

1:32

A088 127

Non-Allergic

1:2

A038 304

D. pteronyssinus

1:32

A085 133

Non-Allergic

1:2

A073 305

Std D. farinae

1:512

    

McMaster University

AR001

D. pteronyssinus

1:32

    

AR002

Grass

1:2048

    

AR003

Cat hair

1:32

    

University of Alberta

A275 404

Grass mix

1:2

    

A749 405

D. farinae

1:32

    
  1. Non-allergic participants in the CAC study did not meet the qualifying criteria even after challenge with the highest concentration (1:2). During the NAC visit, the 1:2 concentration was used once again.