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ImportanceUnderstanding the global barriers to otolaryngology–head and neck surgery (OHNS) care is crucial in addressing disparities in access to care, particularly in low-income and middle-income countries (LMICs).ObjectiveTo characterize barriers to comprehensive otolaryngology care across World Bank income groups.Design, Setting, and ParticipantsUsing an online cross-sectional survey that was administered by the Global OHNS Initiative via international and national professional societies, personal contacts, and social media, this study captured the perceptions of otolaryngologists regarding barriers to OHNS care at the levels of the country, health sector, clinician, and patient. Participants included otolaryngologists from the 194 World Health Organization member states and Taiwan. Eligibility criteria included a medical degree and specialized training in managing conditions of the ear, nose, and throat. The nonresponse rate was not recorded. The data collection period spanned from October 2022 to June 2023.ExposuresExposures included World Bank income group classification.Main Outcomes and MeasuresThe primary outcomes were Likert scale responses regarding frequency of barriers to OHNS care. The a priori hypothesis was that LMICs would report more frequent barriers to OHNS care.ResultsThe study involved 146 otolaryngologists (47 female individuals [32%]), with 69 (47%) from high-income countries and 77 (53%) from LMICs. Male individuals represented 45 high-income country respondents (65%) and 54 LMIC respondents (70%). Barriers were reported across income groups at all levels of the health system, with a higher frequency in LMICs. Several barriers were reported to be more substantial in LMICs, such as the national volume and distribution of otolaryngologists, financial compensation for clinicians, and patient stigma, and others were common across income settings, such as the availability of operating rooms and inflexible working hours. Common concerns included national and health sector barriers: OHNS workforce, referral networks, government support; clinician barriers: excessive clinician workloads, understaffing, poor administration support; patient barriers: distance to health care facilities, financial burdens such as medical costs and foregone wages, stigma, and health literacy.Conclusions and RelevanceThe results of this cross-sectional study suggest that there are barriers to otolaryngology care globally that affected all levels of the health care system. This work may inform prioritization of otolaryngology within research and policy, and it emphasizes the need for effective strategies to expand access to otolaryngology care, particularly in lower-income settings.

ABSTRACTImportanceHighlighting the global disparities in otolaryngology training and, ultimately, service delivery, emphasizing the need for equitable access to training resources and programs.ObjectiveTo describe the relationship between the quality, content, and location of otolaryngology–head and neck surgery training and education and the resulting impact on the delivery of otolaryngology care globally.DesignAn online cross‐sectional survey to otolaryngologists, gathering information on their training and education experiences, and factors influencing their choice of training location and practice.SettingThe online survey was available in multiple languages, distributed via national and international professional otolaryngology societies, snowballing and social media.ParticipantsThe respondents were practicing otolaryngologists representing all seven World Health Organization regions.ExposuresWorld Bank income groups classification.Main Outcomes and MeasuresOur expected outcome was that subspecialty training and access to educational resources were significantly readily available to respondents from high‐income countries, leading to more confidence in performing complex procedures post training.ResultsA total of 91 participants were included in the analysis, with 47 (52%) practicing in high‐income countries and 44 (48%) in low‐ and middle‐income countries. Sixty‐one participants (67%) were male. Subspecialty training and access to educational resources were significantly less available in low‐ and middle‐income countries, leading to lower confidence among low‐ and middle‐income countries physicians in performing complex procedures. High‐income country respondents reported better access to diverse training resources and felt more prepared for a broader range of procedures.Conclusion and RelevanceSignificant disparities exist in OHNS training resources and subspecialty training opportunities between high‐ and low‐middle‐income countries. There is a critical need to integrate complementary training and educational modalities into local systems. Addressing the shortage of educational resources and promoting open‐access initiatives in low‐middle‐income countries are essential steps toward enhancing surgical education and improving global otolaryngology healthcare outcomes.

ABSTRACT Objective Availability of surgical equipment and access to essential clinical services remains an important barrier to surgical care delivery, particularly in low‐ and middle‐income countries (LMICs). This study aims to characterize the relative availability of essential equipment for otolaryngology‐head and neck surgery (OHNS) care across World Bank income groups. Methods We conducted a cross‐sectional survey on otolaryngologists' perceptions on the availability of surgical equipment and ancillary services in their respective practice settings per a 5‐point Likert scale ranging from never to always available. The study was disseminated online via professional societies, personal contacts, and social media. Eligible participants included otolaryngologists from 194 WHO‐recognized countries, which were grouped by World Bank income group classification and WHO region. Results The study involved 146 otolaryngologists, 69 (47%) from high‐income countries (HICs), and 77 (53%) from LMICs. LMIC respondents were predominantly from the African and South‐East Asian regions, which comprised 48% and 7.8% of all LMIC respondents, respectively. Results revealed significant differences in the availability of otologic, rhinologic, and endoscopic airway equipment between HICs and LMICs. Differences existed among commonly used equipment such as tympanomastoidectomy equipment and rigid bronchoscopy, to subspecialized equipment such as functional endoscopic sinus surgery equipment and cochlear implants ( p < 0.05 each). Conclusions The study highlighted key disparities in the availability of essential equipment for baseline OHNS care, especially for pediatric airway and otologic conditions. These results can be used to guide investment and advocacy efforts to improve specialty‐specific surgical infrastructure relative to the global burden of OHNS diseases in low‐resource settings. Level of Evidence 3

Abstract BACKGROUND Selinexor (SEL) is a first-in-class XPO1 inhibitor with potent antitumor activity via tumor suppressor protein nuclear localization and reactivation, oncoprotein translation suppression, and DNA repair inhibition. As a single agent, SEL has demonstrated adequate brain penetration and clinically relevant responses in glioblastoma. We seek to enhance the effect and benefit of SEL by priming with temozolomide (TMZ). METHODS We developed in vitro and in vivo studies to rationally design a phase I/II trial to evaluate the safety and efficacy of the sequential combination of SEL+TMZ. Sequential treatment of U87 cells and intracranial mouse xenografts demonstrated superior DNA damage (ɣH2A.X, cleaved PARP) and overall survival compared to combination or single-agent therapy (HR 0.25 [95% CI, 0.07-0.84]; p = 0.01, log-rank). We used the top-scoring pair method to identify a 6 gene-pair RNAseq signature associated with response to SEL. RESULTS Based on preclinical findings, we developed and opened a multi-institutional phase I/II clinical trial in October 2022. Eligibility includes histologically confirmed 1st recurrent MGMT promoter methylated glioblastoma. Primary objectives are safety and preliminary efficacy. Secondary objectives are overall response rate, efficacy, and prospective validation of a molecular signature of response. Phase I dose finding by IQ 3 + 3 (n = 12) involves TMZ 150mg/m2 on days 1-5 of a 28-day cycle plus SEL on days 8 and 15. Phase II will involve randomization (n = 72) to the RP2D of SEL+TMZ versus monotherapy TMZ. Using proportional hazards regression, RHR 0.5 with p &lt; 0.1 will demonstrate sufficient efficacy. We have enrolled 3 participants in dose level 1 (SEL 60mg) with no dose-limiting toxicities (DLTs) observed. Additional preliminary results will be presented. CONCLUSION Preliminary results suggest that a sequential dosing regimen of SEL+TMZ is feasible and initial dose is well-tolerated and may minimize the cumulative toxicity of SEL. The trial is currently enrolling nationwide (NCI #10505, NCT05432804).

2016 Background: Among the primary aims of new therapies for glioblastoma (GBM) are the reduction of morbidity and restoration or preservation of quality of life (QoL). Selinexor (SEL) is a first-in class, oral, selective inhibitor of nuclear export which blocks exportin 1 (XPO1), forcing the nuclear retention and reactivation of tumor suppressor proteins, ultimately causing cell death in cancer cells. SEL is approved for the treatment of previously treated multiple myeloma and DLBCL. XPORT-GBM-029 (NCT04421378) is a phase 1 dose finding study followed by an open-label randomized phase 2, 3-arm trial to evaluate SEL in combination with standard therapies for newly diagnosed and recurrent GBM: Arm A (ndGBM, uMGMT) – radiation +/- SEL; Arm B (ndGBM, mMGMT) – radiation and temozolomide +/- SEL; Arm C (rGBM) – lomustine +/- SEL at first relapse. We look to identify sensitive, reliable, and clinically meaningful digital assessments of the functional status of ndGBM and rGBM patients via a patient-centric approach. Methods: XPORT-GBM-029 incorporates standard clinical and imaging evaluations of GBM progression with novel digital tools that objectively measure motor and cognitive function. The study is conducted at 50 sites globally with the aim of enrolling 350 patients with newly diagnosed and recurrent GBM. Following discussions with KOLs and patient advocacy partners at EndbrainCancer, we surveyed GBM patients and their caregivers to identify disease manifestations critical to patients’ QoL. The survey revealed four key areas impacting patients’ QoL that can be affected by GBM therapies and can be objectively monitored: cognitive function, lateralization, fatigue, and sleep. In this trial we use objective measurements to evaluate SEL’s effects on GBM patients’ QoL. Patients wear inertial sensors to measure their activity and sleep and complete a cognitive battery at baseline and before each MRI. Results: Associations between objective digital measures of activity, gait, fatigue, sleep, and cognition will be examined with respect to clinical assessments including physical examinations, modified Response Assessment in Neuro-Oncology (mRANO), Neurologic Assessment in Neuro-Oncology (NANO), Karnofsky Performance Score (KPS) and Patient Reported Outcome (PRO) QoL questionnaires. Descriptive summary statistics and plots are employed in exploratory data analysis, and other advanced data mining methods may also be considered. Conclusions: XPORT-GBM-029 trial is probably the first large, prospective, longitudinal study in GBM patients employing digital markers and may provide useful information regarding the utility of wearable and mobile devices for measuring functional outcomes in clinical trials. Clinical trial information: NCT04421378.

Abstract On July 24, 2020, a workshop sponsored by the National Brain Tumor Society was held on innovating brain tumor clinical trials based on lessons learned from the COVID-19 experience. Various stakeholders from the brain tumor community participated including the US Food and Drug Administration (FDA), academic and community clinicians, researchers, industry, clinical research organizations, patients and patient advocates, and representatives from the Society for Neuro-Oncology and the National Cancer Institute. This report summarizes the workshop and proposes ways to incorporate lessons learned from COVID-19 to brain tumor clinical trials including the increased use of telemedicine and decentralized trial models as opportunities for practical innovation with potential long-term impact on clinical trial design and implementation.