Information and Licence

The "Control of Allergic Rhinitis and Asthma Test" (CARAT) is a brief self-administered questionnaire to quantify the degree of control of Allergic Rhinitis and Asthma. The initial phases of development and validation of the CARAT questionnaire are available in two original papers: Respir Res 2009; Allergy 2010. The development of CARAT involved the active participation of more than 100 Portuguese physicians and over 350 patients.

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You may use this questionnaire for free. This questionnaire is copyrighted mostly to prevent unapproved changes to it. Its use for individual purposes (e.g. supporting clinical assessment at a patient consultation) is free and does not requires any authorization. The use of the questionnaire by any research group, to aggregate data from different patients, requires a communication to the CARAT group. For-profit organizations or the use of the questionnaire with commercial/marketing purposes will require case-by-case authorization from the CARAT group.

The CARAT Collaboration Network (CARAT Network) supports the activities of development and dissemination of the project CARAT namely: the development of versions of the questionnaire in other languages and/or other populations and the clinical investigation projects related to Allergic Rhinitis and Asthma.
The online version of the questionnaire CARAT aims to contribute to improve the communication between Patient-Physician, helping the follow up of.
Translation and cultural adaptation of CARAT involves researchers with different languages. If you want to participate on this project, please contact us.

Paper 1 - Control of allergic rhinitis and asthma test – a formal approach to the development of a measuring tool (pdf)

Paper 2 - Validation of a questionnaire (CARAT10) to assess rhinitis and asthma in patients with asthma (pdf)


The carat project received a unrestricted grant from Merck Sharp and Dohme.