Asthma Clinical Trial
Official title:
Tissue Immune Interaction in Nasal Polyposis
This is a cross-sectional study of up to 100 subjects who are undergoing clinically indicated sinus procedures to treat chronic rhinosinusitis. Participants will be asked to donate leftover sino-nasal secretions, sino-nasal tissue and blood as well as undergo partial characterization. As optional extensions of the main study, participants may also undergo a biopsy of extra sino-nasal tissue for additional tissue analysis and/or a more detailed characterization visit performed in the UCSF Airway Center Research Center (ACRC).
This is a cross-sectional study of up to 100 participants who are undergoing clinically indicated sinus procedures to treat chronic rhinosinusitis. 50 participants with CRSwNP and 50 participants with CRS without polyps and no features of atopy will be enrolled in the study. Participants will donate leftover sino-nasal secretions and tissue from their procedures. In addition, participants will be subject to medical record review and research questionnaires. In many instances, these participants will have multiple procedures over time to treat recurrent disease and this study will allow for them to donate leftover biospecimens as many as 9 times. Participants may also opt to undergo a turbinate mucosal tissue biopsy during regularly scheduled sinus surgery for additional tissue analysis and/or undergo a more detailed, complete characterization visit performed in the UCSF Airway Center Research Center (ACRC). During the complete characterization, participants will undergo lung function tests, sputum induction and blood collection, in addition to the procedures mentioned above. ;
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