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| Funder | NATIONAL INSTITUTE OF ARTHRITIS AND MUSCULOSKELETAL AND SKIN DISEASES |
|---|---|
| Recipient Organization | University of Iowa |
| Country | United States |
| Start Date | Aug 01, 2023 |
| End Date | Jul 31, 2028 |
| Duration | 1,826 days |
| Number of Grantees | 1 |
| Roles | Principal Investigator |
| Data Source | NIH (US) |
| Grant ID | 10897975 |
Project Summary SAPHO syndrome and chronic nonbacterial osteomyelitis (SAPHO-CNO) is a painful and disabling
autoinflammatory disease primarily targeting bones and joints, with no FDA-approved therapies. Severe sterile
inflammation of multiple bones (osteitis), driven by the interleukin-1 (IL-1) pathway, leads to irreversible bone
damage, chronic pain and disability in adult patients. Critical knowledge gaps remain about disease activity
assessments, risk factors for severe outcomes, and influence of variants in IL-1 pathway genes on clinical
phenotypes in adults. This K23 proposal will propel our understanding of the longitudinal course of SAPHO- CNO in adults, garnering generalizable knowledge about this understudied and disabling autoinflammatory
disease. The proposed project will investigate clinician, patient and MRI-assessed disease activity in a large SAPHO-CNO cohort (Aim 1), identify risk factors for bone damage in SAPHO-CNO patients (Aim 2), and
discover IL-1 signaling pathway gene variants and explore their correlation with clinical phenotypes in adults
with SAPHO-CNO (Aim 3). The science resulting from this K23 award will lay the groundwork for a future R01
application. Dr. Aleksander Lenert is spearheading a unique prospective observational study in adult SAPHO-
CNO (the SCS study) designed to address these knowledge gaps. His long-term career goal is to develop into
an independent clinical investigator focused on patient-oriented clinical and translational research in adults with SAPHO-CNO. Under direct mentorship from Dr. Polly Ferguson (world-leading expert in CNO) and his
experienced mentoring team, Dr. Lenert will build on his foundational research skills to gain critical training and
hands-on experience in agreement and psychometric analyses, latent trajectory modeling, genetic sequencing analysis and interpretation, and prospective observational cohort study management. In addition to Dr.
Ferguson, his mentoring team includes Dr. Robyn T. Domsic (clinical investigator and observational cohort
study guru in systemic sclerosis), Dr. Daniel H. Solomon (leader in clinical science research in rheumatic
diseases), Dr. Mary Vaughan-Sarrazin (experienced clinical outcomes researcher), and Dr. Jonathan Templin (measurement science and applied psychometrics researcher). To further guide this scientific proposal,
develop focused training and aid his career development, Dr. Lenert has garnered the support of content area
experts in advanced imaging (Dr. T. Shawn Sato), and genetics and bioinformatics (Drs. Hatem El-Shanti and Benjamin Darbro). This proposal benefits from an exceptional scientific environment and established infrastructure at the University of Iowa, including Dr. Polly Ferguson’s world-renown center for the
management of patients with SAPHO-CNO, and for clinical and translational research. Accomplishment of the
proposed Aims for this K23 award will directly benefit adults with SAPHO-CNO, and lead to improved patient
outcomes. The K23 award will provide a framework for Dr. Lenert to acquire advanced methodologic research skills and experiences necessary to become an independent clinical researcher in adult SAPHO-CNO.
University of Iowa
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