The Landscape of US and Global Rare Tumor Research Programs: A Systematic Review.

Rare cancers and other rare nonmalignant tumors comprise 25% of all cancer diagnoses and account for 25% of all cancer deaths. They are difficult to study due to many factors, including infrequent occurrence, lack of a universal infrastructure for data and/or tissue collection, and a paucity of disease models to test potential treatments. For each individual rare cancer, the limited number of diagnosed cases makes it difficult to recruit sufficient patients for clinical studies, and rare cancer research studies are often siloed. As a result, progress has been slow for many of these cancers. While rare cancer research efforts have increased over time, the breadth of the research landscape is not known. A recent literature search revealed a sharp increase in rare tumor, and rare cancer publications began in the early 2000s. To identify rare cancer research efforts being conducted in the US and globally, we conducted an online search of rare tumor/rare cancer research programs and identified 76 programs. To gain a deeper understanding of these programs, we composed and conducted a survey to ask programs for details about their research efforts. Of the 42 programs contacted to complete the survey, 23 programs responded. Survey results show most programs are collecting clinical data, molecular data, and biospecimens, and many are conducting molecular analyses. This landscape analysis demonstrates that multiple rare cancer research efforts are ongoing, and the rare cancer community may benefit from collaboration among stakeholders to accelerate research and improve patient outcomes.

Longitudinal Natural History Study of Children and Adults with Rare Solid Tumors: Initial Results for First 200 Participants.

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. SIGNIFICANCE: 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.

NCI intramural program approach to rare tumors: Natural history study of rare solid tumors in children and adults: A longitudinal, comprehensive data and biospecimen collection protocol.

Rare tumors across the world are lacking adequate knowledge, resources, and community. Through partnership with patients, advocacy organizations, researchers, and clinicians, we have developed a comprehensive, longitudinal, prospective, and retrospective natural history protocol to collect, analyze, and share data on patients with rare tumors. A strong collaborative effort is vital to ensure success of enrollment, patient engagement, data collection, and analysis to ultimately develop clinical trials to improve outcomes for patients with rare cancers.

The NIH pediatric/young adult chordoma clinic and natural history study: Making advances in a very rare tumor.

BACKGROUND: Chordomas are rare tumors arising from the skull base and spine, with approximately 20 pediatric chordoma cases in the Unitedn States per year. The natural history and optimal treatment of pediatric chordomas, especially poorly differentiated and dedifferentiated subtypes, is incompletely understood. Herein, we present findings from our first National Cancer Institute (NCI) chordoma clinic and a retrospective analysis of published cases of pediatric poorly differentiated chordomas (PDC) and dedifferentiated chordomas (DC). METHODS: Patients less than 40 years old with chordoma were enrolled on the NCI Natural History and Biospecimens Acquisitions Study for Children and Adults with Rare Solid Tumors protocol (NCT03739827). Chordoma experts reviewed patient records, evaluated patients, and provided treatment recommendations. Patient-reported outcomes, biospecimens, and volumetric tumor analyses were collected. A literature review for pediatric PDC and DC was conducted. RESULTS: Twelve patients (median age: 14 years) attended the clinic, including four patients with active disease and three patients with PDC responsive to systemic therapy. Consensus treatment, management, and recommendations were provided to patients. Literature review returned 45 pediatric cases of PDC or DC with variable treatments and outcomes. CONCLUSIONS: A multidisciplinary expert clinic was feasible and successful in improving understanding of pediatric chordoma. While multimodal approaches have all been employed, treatment for PDC has been inconsistent and a recommended standardized treatment approach has not been defined. Centralized efforts, inclusive of specialized chordoma-focused clinics, natural history studies, and prospective analyses will help in the standardization of care for this challenging disease.

The US President's Cancer Panel: A Model For Gathering Country-Level Input to Inform Cancer Control Policy and Program Initiatives.

PURPOSE: The President's Cancer Panel (Panel) is a federal advisory committee charged with monitoring the US National Cancer Program and reporting directly to the US President. Since its creation a half century ago, the Panel has gathered input from individuals and organizations across the US cancer community and beyond and recommended actions to accelerate progress against cancer. The Panel is unique in its structure and function, and merits examination for its potential applicability in other settings worldwide. METHODS: We present an overview of the general President's Cancer Panel model and describe the noteworthy and unique characteristics of the Panel that help achieve its charge. We also detail the specific processes, outputs, and achievements of the Panel appointed by President Barack Obama, which served between 2012 and 2018. RESULTS: From 2012 to 2018, the Panel focused on three topics that addressed timely issues in cancer prevention and control: (1) HPV vaccination for cancer prevention, (2) connected health and cancer, and (3) value and affordability of cancer drug treatment. The Panel held 11 meetings with 165 participants who provided diverse perspectives on these issues. Four reports were delivered to the president, which were cited about 270 times in the literature. Over 20 collaborator activities, including commitments of funding, can be linked to the recommendations published in these reports. CONCLUSION: The US President's Cancer Panel highlights the importance of independent advisory bodies within a national cancer control program and of national leadership support for the cancer community. The structure and function of the Panel could be applicable in other settings worldwide.

The Fourth International Symposium on Genetic Disorders of the Ras/MAPK pathway.

The RASopathies are a group of disorders due to variations of genes associated with the Ras/MAPK pathway. Some of the RASopathies include neurofibromatosis type 1 (NF1), Noonan syndrome, Noonan syndrome with multiple lentigines, cardiofaciocutaneous (CFC) syndrome, Costello syndrome, Legius syndrome, and capillary malformation-arteriovenous malformation (CM-AVM) syndrome. In combination, the RASopathies are a frequent group of genetic disorders. This report summarizes the proceedings of the 4th International Symposium on Genetic Disorders of the Ras/MAPK pathway and highlights gaps in the field. © 2016 Wiley Periodicals, Inc.

Developing therapies for rare tumors: opportunities, challenges and progress.

INTRODUCTION: Rare tumors account for one fourth of adult tumors; in children, rare tumors represent approximately 15-20% of childhood malignancies, thus accounting for a significant burden of disease. The rarity of these individual diseases creates many challenges, from developing a thorough understanding of the disease pathophysiology, clinical characterization, to the conduct of meaningful clinical trials and eventually the development of effective therapies. AREAS COVERED: Despite these challenges, substantial advances have been made in recent years including the development of novel clinical trial designs and endpoints including molecularly driven treatment trials that have resulted in approval of novel therapies for rare diseases. Collaboration amongst basic and clinical researchers, patient advocacy groups, industry and regulatory agencies has proven successful in select cases and holds promise for future progress in the treatment of rare tumors. In this review, we will highlight several examples of trials for rare tumors, with a focus on examples from pediatric oncology, where strong, nationwide collaborative groups have existed for many years. EXPERT OPINION: Future progress in developing therapies for rare tumors will depend not only on continued scientific advances, but also on collaboration between investigators from various disciplines, institutions, regulatory agencies and patient advocacy groups.