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Supplementary Fig 12 from Longitudinal Natural History Study of Children and Adults with Rare Solid Tumors: Initial Results for First 200 Participants

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posted on 2023-12-06, 14:40 authored by Shadin Ahmed, Mary Frances Wedekind, Jaydira Del Rivero, Margarita Raygada, Robin Lockridge, John W. Glod, Crystal Flowers, BJ Thomas, Donna B. Bernstein, Oxana B. Kapustina, Ashish Jain, Markku Miettinen, Mark Raffeld, Liqiang Xi, Manoj Tyagi, Jung Kim, Kenneth Aldape, Ashkan A. Malayeri, Rosandra N. Kaplan, Taryn Allen, Christina A. Vivelo, Abby B. Sandler, Brigitte C. Widemann, Karlyne M. Reilly

Success of TSO500 panel sequencing depending on age of formalin-fixed paraffin-embedded (FFPE) tissue.

Funding

HHS | NIH | NCI | Cancer Moonshot (Misión contra el Cáncer)

HHS | NIH | National Cancer Institute (NCI)

History

ARTICLE ABSTRACT

Understanding of tumor biology and identification of effective therapies is lacking for many rare tumors. My Pediatric and Adult Rare Tumor (MyPART) network was established to engage patients, advocates, and researchers and conduct a comprehensive longitudinal Natural History Study of Rare Solid Tumors. Through remote or in-person enrollment at the NIH Clinical Center, participants with rare solid tumors ≥4 weeks old complete standardized medical and family history forms, patient reported outcomes, and provide tumor, blood and/or saliva samples. Medical records are extracted for clinical status and treatment history, and tumors undergo genomic analysis. A total of 200 participants (65% female, 35% male, median age at diagnosis 43 years, range = 2–77) enrolled from 46 U.S. states and nine other countries (46% remote, 55% in-person). Frequent diagnoses were neuroendocrine neoplasms (NEN), adrenocortical carcinomas (ACC), medullary thyroid carcinomas (MTC), succinate dehydrogenase (SDH)-deficient gastrointestinal stromal tumors (sdGIST), and chordomas. At enrollment, median years since diagnosis was 3.5 (range = 0–36.6), 63% participants had metastatic disease and 20% had no evidence of disease. Pathogenic germline and tumor mutations included SDHA/B/C (sdGIST), RET (MTC), TP53 and CTNNB1 (ACC), MEN1 (NEN), and SMARCB1 (poorly-differentiated chordoma). Clinically significant anxiety was observed in 20%–35% of adults. Enrollment of participants and comprehensive data collection were feasible. Remote enrollment was critical during the COVID-19 pandemic. Over 30 patients were enrolled with ACC, NEN, and sdGIST, allowing for clinical/genomic analyses across tumors. Longitudinal follow-up and expansion of cohorts are ongoing to advance understanding of disease course and establish external controls for interventional trials. This study demonstrates that comprehensive, tumor-agnostic data and biospecimen collection is feasible to characterize different rare tumors, and speed progress in research. The findings will be foundational to developing external controls groups for single-arm interventional trials, where randomized control trials cannot be conducted because of small patient populations.

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