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ABSTRACT This manuscript summarizes over 30 years of research that began with the novel concept of using intra‐articular gene transfer to treat joint diseases. A notable milestone in this journey was the first‐in‐human transfer of an exogenous gene to a joint, accomplished by the ex vivo delivery of cDNA encoding the interleukin‐1 receptor antagonist (IL‐1Ra) to joints of patients with rheumatoid arthritis. Responding to lessons learned from this study and the prevailing clinical landscape we next developed an in vivo gene delivery system based on adeno‐associated virus (AAV) with osteoarthritis (OA) as the target disease. The safety and efficacy of this vector, sc‐rAAV2.5IL‐1Ra, was demonstrated in the joints of rats and horses leading to a successful IND application to the FDA. In this clinical trial (ClinicalTrials. gov Identifier: NCT02790723) sc‐rAAV2.5IL‐1Ra was injected at escalating doses into the knee joints of nine patients with OA who were followed for 1 year. This trial met its primary outcome measure, safety, and demonstrated that sustained expression of transgenic IL‐1Ra was possible after a single injection of the vector. Patient‐reported outcomes improved, but without a control group it is not possible to determine the influence of a placebo effect. This and other unresolved matters are addressed in a recently‐completed Phase Ib trial (ClinicalTrials. gov Identifier: NCT05835895). Beyond OA, sc‐rAAV2.5IL‐1Ra has potential therapeutic value in a variety of degenerative, inflammatory, fibrotic and autoimmune conditions. More generally, gene therapy holds much promise in the field of regenerative medicine, including regenerative orthopaedics. Trial Registration: (ClinicalTrials. gov Identifier: NCT02790723, NCT05835895).

ABSTRACT Deep brain stimulation (DBS) of the anterior nucleus of the thalamus (ANT) can reduce seizures in patients with drug-resistant epilepsy. However, seizure freedom is rare, and there is no early response biomarker to predict long-term seizure suppression. To evaluate a short-term biomarker of therapeutic response to DBS, we studied 18-minute trials of ANT stimulation in patients with drug-resistant epilepsy undergoing intracranial electroencephalography. We compared a standard high-frequency periodic versus a non-periodic pulse pattern. We found that short-term ANT stimulation within the clinically used amplitude range preferentially altered the first 150 ms of anterograde ANT to anterior cingulate and superior frontal connectivity. Non-periodic ANT stimulation selectively modified early cortico-cortical evoked potentials more than periodic stimulation, and these changes were driven by the response phase. These pattern-specific changes in connectivity between the ANT and spatially restricted cortical areas suggest differing mechanisms and are a promising biomarker for patients being treated with ANT-DBS.

PURPOSE Hot flashes are a common side effect reported by men receiving androgen-deprivation therapy (ADT) for the treatment of prostate cancer. We sought to determine whether oxybutynin could improve hot flash symptoms in men with prostate cancer. PATIENTS AND METHODS Patients with prostate cancer receiving a stable regimen of ADT with at least 28 hot flashes per week were randomly assigned to receive either oxybutynin 2.5 mg twice daily, oxybutynin 5 mg twice daily, or matching placebo for 6 weeks. The primary end point was the change in patient-reported hot flash scores since baseline at 6 weeks. Additional outcomes included incidence of adverse events (AEs), changes since baseline in Hot Flash–Related Daily Interference Scale (HFRDIS) scores, and patient-reported symptoms. RESULTS Eighty-eight patients were enrolled, with the 81 participants eligible for final analysis reporting an average of 10.1 (standard deviation [SD], 5.55) hot flashes per day and an average daily hot flash score of 18.2 (SD, 13.5) included in final analysis. On average, patients on the placebo arm, 2.5 mg oxybutynin arm, and 5 mg oxybutynin arm had reductions in hot flashes/day of 2.15, 4.77 ( P = .02), and 6.89 ( P < .001), respectively. Daily hot flash scores for placebo, 2.5 mg oxybutynin, and 5 mg oxybutynin reduced by an average of 4.85, 9.94 ( P = .07), and 13.95 ( P = .002) points, respectively. No treatment-related grade 3+ AEs occurred. HFRDIS total scores improved by 14.2 and 20.7 points in the 2.5 mg ( P = .042) and 5 mg ( P < .01) oxybutynin arms, respectively, compared with a 3.1-point improvement with placebo. CONCLUSION Oxybutynin is superior to a placebo for the management of ADT-associated hot flashes in men with prostate cancer.

Background: Sinonasal undifferentiated carcinoma (SNUC) is an extremely rare, high-grade, and aggressive tumor of the sinonasal tract. Due to the rarity of this malignancy, current treatment guidelines are based on small and often/mainly single-center retrospective datasets. In the absence of a universally accepted standard of care for SNUC, treatment approaches vary across countries and institutions, reflecting real-world clinical practice. The primary aim of this study was to describe real-world treatment and outcomes for patients with confirmed SNUC. Methods: This was an international, multi-center, retrospective, observational cohort study that pooled patients into the largest SNUC dataset to date. Fifteen centers were enrolled to contribute data, including seven from Europe, four from the United States, three from the United Kingdom, and one from Canada. In the absence of a universally accepted standard of care for SNUC, treatment approaches varied across countries and institutions, reflecting real-world clinical practice. Patients included were those with histologically confirmed SNUC who were treated between 1997 and 2021. Results: This study yielded 485 patients treated for SNUC. The median age at diagnosis was 55.6 years (IQR: 44.5–67.6), and 63.7% were male. Most cases presented at advanced stages, with 70.8% as T4a or T4b. Overall survival (OS) outcomes were available for 412 patients, with a median follow-up of 26.0 months. The 5- and 10-year OS were 47.2% (95% CI: 40.8–53.3%) and 39.6% (95% CI: 32.5–46.6%), respectively. Advanced age, dichotomized T-stage (T4a/b vs. T1–3), M-stage, and orbital involvement were significant poor prognostic factors on univariable analysis (p’s < 0.01). On multivariable analysis, orbital involvement (HR: 2.73, 95% CI: 1.42–5.27, p = 0.003) and distance metastasis stage (HR: 3.00, 95% CI: 1.25–7.21, p = 0.014) were both independently associated with worse OS. Conclusions: This observational study presents the largest multi-center cohort analysis of SNUC to date, providing new insights into prognostic factors for a rare cancer treated at global centers of excellence. Orbital involvement and the presence of metastases are candidate independent risk factors associated with poorer OS.

Variability and persistent gaps in reporting have been consistently observed across studies evaluating adverse events in healthcare, dating back to the early days of the patient safety movement. Incomplete descriptions—particularly missing details regarding study design, conduct, methodologies and applied definitions—impede interpretation, hinder critical appraisal and limit reproducibility. These deficiencies not only obstruct a shared understanding of findings but also diminish the overall impact such studies may have on patient safety initiatives and policy development. To address these challenges and enhance the quality of reporting, we developed the SESAME (Standard Elements in Studies of Adverse Events and Medical Error) reporting guideline. SESAME is a 44-item checklist designed to support comprehensive and standardised reporting in studies evaluating potential patient harm. The guideline was developed over a 2-year period by an international, multidisciplinary panel through a consensus-driven process aligned with Enhancing the QUAlity and Transparency Of Health Research Network standards.

BACKGROUND AND OBJECTIVES: Surgeon-team familiarity is a critical factor that affects surgical outcomes. The relationships between familiarity and surgical outcomes are varied, and an operational definition of this measure remains underdeveloped. This study creates an effective time-based measure of surgeon-team familiarity and assesses its association with clinical and operational outcomes for neurosurgery. METHODS: Retrospective analysis of 9049 neurosurgery cases performed at 2 campuses of a tertiary academic medical center over a 3-year timeframe was conducted. This study measures normalized case duration as a proxy for operational performance and 30-day postoperative complications for clinical outcomes. Multivariate linear regression and logistic regression were used to analyze relationships between surgeon-team familiarity and surgical outcomes, with risk factors as control variables for case mix. RESULTS: For normalized case duration, the coefficient of surgeon-team familiarity is negative (β = −0.015, P = .03), but the squared term exhibits a positive relationship (β = 0.049, P = .003). The overall regression is statistically significant ( R 2 = 0.046, adjusted R 2 = 0.045, P < .001). The logistic regression shows that surgeon-team familiarity scores are negatively correlated (odds ratio = 0.356, 95% CI [0.126, 0.987]) with the risks of postoperative complications. It is statistically significant and explains between 2.4% (Cox & Snell R Square) and 6.0% (Nagelkerke R Square) of the variance for postoperative complications. CONCLUSION: This study found that surgeon-team familiarity is positively associated with neurosurgery outcomes. Teams familiar with the surgeons will likely improve operational performance and reduce the risk of postoperative complications, whereas too much familiarity may lengthen the case duration. Surgical practice leaders can use electronic health record data to define appropriate familiarity scores and incorporate key metrics when developing surgical team assignments for optimal operating room performance.

OBJECTIVE The aim of this study was to determine predictors of the minimum clinically important difference (MCID) in the Neck Disability Index (NDI) following cervical spinal deformity surgery. METHODS A retrospective review was performed of a prospective, multicenter adult cervical spinal deformity database. All patients had baseline and 1-year NDI scores. Patients met MCID with an improvement of NDI by 7 points between baseline and 1 year, as previously established. Baseline demographics, comorbidities, and both baseline and 1-year spinopelvic parameters were evaluated for statistical significance in a univariate logistic regression analysis. Significant variables, in addition to baseline NDI, were analyzed in a multivariable logistic regression model by backward selection with Akaike information criterion minimization. RESULTS A total of 122 patients were included with a median age of 62 (IQR 56, 69) years; 62% of patients were female. Of the 122 patients, 72 (59%) achieved NDI MCID at 1 year. Predictors of achieving MCID on univariate analysis included a lower Charlson Comorbidity Index (CCI) total score (OR 0.70, p = 0.03), depression as a comorbidity (OR 2.9, p = 0.02), lower C2 tilt at the 1-year follow-up (OR 0.92, p = 0.02), and a greater difference between 1-year postoperative C2–7 sagittal vertical axis (SVA) and preoperative C2–7 SVA (OR 0.98, p = 0.0495). On multivariable logistic regression analysis, predictors of achieving MCID included a lower CCI (OR 0.62, p = 0.03), depression as a comorbidity (OR 3.1, p = 0.059), a greater change in C2–7 SVA at the 1-year follow-up compared with baseline (OR 0.97, p = 0.055), and baseline NDI (OR 1.02, p = 0.24) with an area under the curve of 0.74. CONCLUSIONS The best-fit multivariable model included higher baseline NDI, a greater change in C2–7 SVA, patient-reported baseline depression, and lower CCI as important factors in predicting NDI MCID.

Abstract Background A subset of risankizumab (RZB)-treated patients experience suboptimal or secondary loss of response to standard dosing. We explored factors associated with future RZB dose-optimization, and outcomes of optimization in a multicenter consortium of adults with Crohn’s Disease (CD). Methods Baseline characteristics at time of RZB initiation and subsequent clinical, endoscopic, and biochemical outcomes were collected in a multi-center cohort. Outcomes for dose-optimized RZB were reported as clinical response and remission (based on HBI or PGA when HBI unavailable), endoscopic remission (based on SEMA-CD or absence of ulcers when SEMA-CD not available), and biochemical response. Characteristics were compared between standard and dose-optimized groups using chi-square and two-sample t-tests. Additional models adjusting for age and sex assessed predictors of dose optimization. Results We identified 309 patients treated with standard dose and 58 for whom dose-optimized RZB was recommended. Of the 58, 29 were excluded from outcomes analysis due to lack of follow-up (n = 19) or insurance denial of dose optimization (n = 10). Demographic information is outlined in Table 1. Baseline characteristics associated with future dose optimization included number of prior advanced therapies (ATs) (OR, 1.29, p &lt; 0.001), prior anti-TNF (OR,4.06; p = 0.022), and prior ustekinumab (UST) use (OR,1.82; p = 0.053) (Table 2). The 29 patients included in the outcome analysis received dose-optimized RZB for primary non-response (n = 2), partial response (n = 23), or secondary loss of response (n = 4) after a median of 321 days (IQR, 234-440) from index RZB start. Median follow-up after dose optimization was 217 days (IQR, 147-331). All patients were AT-exposed (Table 1). Baseline clinical symptoms were present in 27 patients (93.1%), with median HBI of 6.5 (IQR, 6.0-8.0). Active endoscopic disease was observed in 11/12 patients (91.7%) who had baseline endoscopy. Dosing was every 4 weeks in 19 (65.5%), every 6 weeks in 9 (31.0%), and combined IV re-induction plus every 4-weeks in 1 (3.4%) patient. Clinical response and remission was seen in 16 (55.2%) and 12 (41.4%) patients, respectively. A ≥ 50% CRP reduction was seen in 5/12 (41.7%) patients with baseline elevated CRP. Among 7 patients with baseline active endoscopic disease with available follow-up, 3 (42.9%) achieved endoscopic remission. No adverse events were reported. Conclusion In this multi-center retrospective cohort, prior AT-exposure (especially anti-TNF) was associated with need for RZB dose-optimization. Dose optimization successfully captured clinical response in a significant proportion of patients who experienced partial response or loss of response to RZB. Conflict of interest: Johnson, Amanda: Research grant: Abbvie, Spyre Therapeutics Ramesh, Prajith Raj: None Said, Hyder: No conflict of interest Huang, Katherine: No conflict of interest Devi, Jalpa: none Pekow, Joel R.: CVS Health - Consulting Abbvie, Eli Lilly, Pfizer, Johnson and Johnson - Stocks Alhobayb, Tamara: No conflict of interest Bassmeyer, Blake: No conflict of interest Mohamed, Mouhand: No conflict of interest Shivashankar, Raina: Abbvie and BMS - speaker bureau Janssen and Celltrion - grant for IBD fellowship funding Pfizer - consultant Rathi, Jaya: No conflict of interest Luu, Bryan: No conflict of interest Khan, Abdul: No conflict of interest Loftus, Jr, Edward: Grant: AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Genentech, Gilead, Janssen, Pfizer, Receptos, Robarts Clinical Trials, Takeda, Theravance, UCB. Personal Fees: AbbVie, Allergan, Amgen, Arena, Boehringer Ingelheim, Bristol-Myers Squibb, Calibr, Celgene, Celltrion, Eli Lilly, Genentech, Gilead, Iterative Scopes, Janssen, Ono Pharma, Pfizer, Sun Pharma, Takeda, UCB. Bishu, Shrinivas: None Patel, Anish: speaker: abbvie, J & J, Lilly, BMS, Pfizer, Phathom, Takeda consultant: abbvie Shukla, Richa: Speakers bureau - Abbvie and Lilly Yarur, Andres: Personal Fees: Consultant for Takeda, Pfizer, Roche, Merck, Abbvie, Eli Lilly. Bristol Myers Squibb, Celltrion, Johnson and Johnson. Ungaro, Ryan: Personal Fees: AbbVie, Bristol Myers Squibb, Genentech, Lilly, Pfizer, Janssen, Takeda Deepak, Parakkal: Parakkal Deepak has received research support under a sponsored research agreement unrelated to the data in the abstract from AbbVie, Johnson and Johnson, Sanofi, Merck, Teva, Direct Biologics, Tr1x, Boehringer Ingelheim, Bristol Myers Squibb, Pfizer, Prometheus Biosciences, Takeda Pharmaceuticals, Roche Genentech, Eli Lilly, AstraZeneca, Spyre and Agomab, has received consulting fees from Johnson and Johnson, Abbvie, Merck, Sobi, Celltrion, Fresenius Kabi, Asahi Kasei Pharma, Sandoz and CorEvitas, LLC and has served on the board of the Srategic Alliance for Intercultural Advocacy in GI.

Abstract Introduction Cervical arterial dissections (CeAD) can involve either single (sCeAD) or multiple (mCeAD) arteries. Whether the involvement of a single versus multiple arteries is associated with outcomes remains unclear. We aimed to study associations between the number of affected arteries and clinical, imaging and outcome parameters. Patients and methods Patients with CeAD from the STOP-CAD multicenter registry study were included. Clinical, imaging, treatment and outcome parameters were compared between patients with sCeAD and mCeAD. Regression analyses were performed to identify associations with multi-arteries involvement. Results Overall, 3858 STOP-CAD patients were included in this analysis and 443 (11.5%) had mCeAD. The presence of mCeAD was associated with age (adjusted odds ratio [aOR] 95% confidence intervals [95% CI] 0.99; (0.98–1.00)), female sex (aOR 1.5; 95% CI 1.17–1.91), recent upper respiratory infection (aOR 2.25; 95% CI 1.55–3.27), presence of connective tissue disease (aOR 3.11; 95% CI 2.32–4.17), severe arterial stenosis (aOR 1.95; 95% CI 1.95–2.58), intracranial extension (aOR 1.47; 95% CI 1.04–2.09), vertebral artery involvement (aOR 2.50; 95% CI 1.94–3.22) and presence of dissecting aneurysm (aOR 2.59; 95% CI 1.95–3.42). In adjusted analyses, mCeAD was not associated with clinical outcomes (ischemic stroke, mortality, and sICH; all p &gt; 0.05). Conclusions mCeAD does not appear to increase risk of subsequent stroke as compared to sCAD despite baseline risk factors suggestive of vasculopathy. mCeAD patients who did develop a stroke presented with milder strokes and less often had vessel occlusions compared to those with sCeAD. The presence of mCeAD did not impact outcomes.