Obstructive Sleep Apnea Clinical Trial
Official title:
Evaluating the Genetics and Immunology of Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Cervical Adenitis (PFAPA) Syndrome and Other Tonsil Disorders
Background: Periodic fever, aphthous stomatitis, pharyngitis, and cervical adenitis (PFAPA) is the most common periodic fever syndrome of childhood. Symptoms can include swelling of the glands in the throat, mouth ulcers, and tonsillitis. Removal of the tonsils can stop the periodic flareups. But researchers do not know how PFAPA develops. In this natural history study, researchers will collect specimens and data from people with PFAPA to see what they might have in common. Objective: To collect blood and other specimens from people with PFAPA to learn more about the illness. Eligibility: People aged 1 month or older with symptoms of PFAPA or another tonsil disorder. Design: Participants will be screened. Their medical records will be reviewed. Researchers will ask about a family history of PFAPA. The following specimens may be collected: Blood. Blood will be drawn either from a needle inserted into a vein or from a prick in the finger or heel. Mucus and cells. A stick with soft padding on the tip may be rubbed inside the nostrils or mouth. Stool. Saliva. Tissue samples may be taken if participants are having surgery to remove the tonsils or adenoids. Participants having surgery may also have a nasopharyngeal wash; salt water will be squirted into the back of the throat and then sucked back out with a syringe. Most participants will provide specimens only once. They can do this in person at the clinic; they can also have their local health providers send specimens to the researchers. Some participants may have optional follow-up visits over 10 years.
Status | Recruiting |
Enrollment | 1500 |
Est. completion date | December 31, 2038 |
Est. primary completion date | June 30, 2037 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 1 Month to 99 Years |
Eligibility | - INCLUSION CRITERIA: Participants must meet all the following inclusion criteria to be eligible for this study: 1. Aged >=1 month. To be seen at the NIH CC, participants must be >=3 years of age. 2. Diagnosed with PFAPA or another tonsil disorder, or has symptoms consistent with these conditions, as determined by the investigator. 3. Able to provide informed consent (for ages >=18 years) or has a parent or guardian who can provide informed consent on their behalf (for ages <18 years). 4. Willing to allow specimens and data to be stored for future research. 5. Willing to allow genetic testing on their biospecimens. EXCLUSION CRITERIA: An individual who has any condition that, in the judgment of the investigator, may put them at undue risk or make them unsuitable for participation in the study will be excluded. |
Country | Name | City | State |
---|---|---|---|
United States | National Institutes of Health Clinical Center | Bethesda | Maryland |
United States | Indiana University School of Medicine | Indianapolis | Indiana |
United States | Children's National Medical Center | Washington | District of Columbia |
Lead Sponsor | Collaborator |
---|---|
National Institute of Allergy and Infectious Diseases (NIAID) |
United States,
Manthiram K, Preite S, Dedeoglu F, Demir S, Ozen S, Edwards KM, Lapidus S, Katz AE; Genomic Ascertainment Cohort; Feder HM Jr, Lawton M, Licameli GR, Wright PF, Le J, Barron KS, Ombrello AK, Barham B, Romeo T, Jones A, Srinivasalu H, Mudd PA, DeBiasi RL, Gul A, Marshall GS, Jones OY, Chandrasekharappa SC, Stepanovskiy Y, Ferguson PJ, Schwartzberg PL, Remmers EF, Kastner DL. Common genetic susceptibility loci link PFAPA syndrome, Behcet's disease, and recurrent aphthous stomatitis. Proc Natl Acad Sci U S A. 2020 Jun 23;117(25):14405-14411. doi: 10.1073/pnas.2002051117. Epub 2020 Jun 9. — View Citation
Stojanov S, Lapidus S, Chitkara P, Feder H, Salazar JC, Fleisher TA, Brown MR, Edwards KM, Ward MM, Colbert RA, Sun HW, Wood GM, Barham BK, Jones A, Aksentijevich I, Goldbach-Mansky R, Athreya B, Barron KS, Kastner DL. Periodic fever, aphthous stomatitis, pharyngitis, and adenitis (PFAPA) is a disorder of innate immunity and Th1 activation responsive to IL-1 blockade. Proc Natl Acad Sci U S A. 2011 Apr 26;108(17):7148-53. doi: 10.1073/pnas.1103681108. Epub 2011 Apr 8. — View Citation
Xu Q, Milanez-Almeida P, Martins AJ, Radtke AJ, Hoehn KB, Oguz C, Chen J, Liu C, Tang J, Grubbs G, Stein S, Ramelli S, Kabat J, Behzadpour H, Karkanitsa M, Spathies J, Kalish H, Kardava L, Kirby M, Cheung F, Preite S, Duncker PC, Kitakule MM, Romero N, Preciado D, Gitman L, Koroleva G, Smith G, Shaffer A, McBain IT, McGuire PJ, Pittaluga S, Germain RN, Apps R, Schwartz DM, Sadtler K, Moir S, Chertow DS, Kleinstein SH, Khurana S, Tsang JS, Mudd P, Schwartzberg PL, Manthiram K. Adaptive immune responses to SARS-CoV-2 persist in the pharyngeal lymphoid tissue of children. Nat Immunol. 2023 Jan;24(1):186-199. doi: 10.1038/s41590-022-01367-z. Epub 2022 Dec 19. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Identify genetic risk variants for PFAPA and other tonsil disorders | To collect samples to understand the immunologic mechanisms and genetic and microbial risk factors for PFAPA and other tonsil disorders | Throughout study | |
Primary | Characterize clinical outcomes following tonsillectomy and other clinically indicated treatments. | To collect samples to understand the immunologic mechanisms and genetic and microbial risk factors for PFAPA and other tonsil disorders | Throughout study | |
Primary | Characterize the tonsillar/adenoid, oral, nasal and/or stool microbiota in people with PFAPA and other tonsil disorders | To collect samples to understand the immunologic mechanisms and genetic and microbial risk factors for PFAPA and other tonsil disorders | Throughout study | |
Primary | Characterize immune cell populations, gene expression including at the single cell level, epigenetic features, and protein expression ex vivo in blood, tissue, washes, or swabs from people with PFAPA and other tonsil disorders | To collect samples to understand the immunologic mechanisms and genetic and microbial risk factors for PFAPA and other tonsil disorders | Throughout study | |
Secondary | Characterize immunologic and molecular pathways in the tissue cells. | To understand the characteristics and function of unique cell populations in the pharyngeal lymphoid tissues (tonsils and adenoids) and how immune responses to antigens are generated in these tissues | Throughout study | |
Secondary | Study responses to antigens and infection in the mucosal lymphoid tissue and peripheral blood. | To understand the characteristics and function of unique cell populations in the pharyngeal lymphoid tissues(tonsils and adenoids) and how immune responses to antigens are generated in these tissues | Throughout study | |
Secondary | Characterize unique cell populations and the immunologic and molecular pathways in the tissue cells | To understand the characteristics and function of unique cell populations in the pharyngeal lymphoid tissues (tonsils and adenoids) and how immune responses to antigens are generated in these tissues | Throughout study |
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