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16267 citation(s) found for "Yu, David".

Recurrent Respiratory Papillomatosis Foundation Position Statement on the Management of Adults With RRP
Best, Simon R. , Friedman, Aaron D. , Rosen, Clark A., Sataloff, Robert T. , Matrka, Laura , Sims, H. Steven , Rosow, David E. , Lott, David G., Mau, Ted, Wikenheiser‐Brokamp, Kathryn A., Norberg, Scott M. , McClellan, Kim, Young, Geoffrey D., ALLEN, C., Lott, David G. , Wikenheiser‐Brokamp, Kathryn A. , Mau, Ted , Rosen, Clark , Matrka, Laura , Lott, David G , Mau, Ted , Allen, Clint T , Amin, Milan R , Saba, Nabil F. , Klein, Adam M.

Mayo Clinic

The Laryngoscope | January 16, 2026 | Volume: 136 | Issue: S4 | Pages: No page available

10.1002/lary.70379 | PMID 41543033 Get It

ABSTRACT Objective With regulatory approval of HPV‐specific immunotherapy for recurrent respiratory papillomatosis (RRP) and growing experience with systemic bevacizumab, a management algorithm incorporating these medical treatments is warranted. Data Sources and Methods RRP Foundation (RRPF) Key Opinion Leaders offer a proposed management algorithm for adults with RRP considering published literature and commercial drug availability. Results Preventative HPV vaccination should be considered for all patients. Determination of HPV type and pulmonary imaging are important for contemporary RRP patient care and assist in decision making. Risks and benefits of papilloma debulking as needed versus medical management of RRP must be deliberated on a patient case‐by‐case basis. HPV ‐specific immunotherapy that induces an HPV ‐specific T cell response to target the underlying HPV infection that is the cause of RRP is safe, offers the possibility of durable disease control following a short treatment course and is the recommended first‐line medical treatment for patients who wish to avoid the risks of repeat procedural management. Papilloma disease control with systemic bevacizumab, which carries defined risks and must be continued for clinical benefit is the recommended second‐line medical treatment for patients who do not achieve a complete response with immunotherapy and wish to continue medical management. For patients who elect to be treated with debulking procedures as needed, use of locally‐administered adjuvant should be considered. Conclusion This proposed management algorithm from the RRPF serves as a contemporary resource and information guide for adult patients with RRP and their physicians considering treatment options. Level of Evidence 5
Microfracture and Dorsal Capsulodesis for Scapholunate Advance Collapse
Chi, David, Kakar, Sanjeev , Kakar, Sanjeev

Mayo Clinic

Journal of Wrist Surgery | January 15, 2026 | Volume: No volume available | Issue: No issue available | Pages: No page available

10.1055/a-2772-1718 Get It

Abstract Management of scapholunate advanced collapse (SLAC) wrist arthritis remains challenging in physically high-demand patients with primarily salvage options described for advanced SLAC wrist. Microfracture resurfacing of the scaphoid fossa may be a potential option for this condition. A case of a physically active farmer with advanced SLAC wrist arthritis underwent arthroscopic dorsal capsulodesis of the scapholunate interval, microfracture of the scaphoid fossa chondral defect, and application of cartilage allograft is reported. At 1-year follow-up, there is continued resolution of his wrist pain, and function had improved with increased grip strength and wrist range of motion. Radioscaphoid microfracture and dorsal capsulodesis for SLAC wrist can be a potential dual-pronged reconstructive strategy for the physically high-demand patient that may obviate the need for salvage procedures.
Alzheimer's disease polygenic risk in early‐ and late‐onset Alzheimer's disease
Pentchev, Julian V., Jackson, Trever, Khan, Naazneen , Rosewood, Thea , Huang, Yen‐Ning, Nho, Kwangslk, Saykin, Andrew J., Eloyan, Ani, Taurone, Alexander, Thangarajah, Maryanne, Riddle, Meghan, Salloway, Steven, Atri, Alireza, Honig, Lawrence S., Johnson, Erik C. B., Turner, Raymond Scott, Masdeu, Joseph C. , Foroud, Tatiana M., Clark, David, Hammers, Dustin B., Dage, Jeffrey L., Kirby, Kala, Ghetti, Bernardino, Newell, Kathy, Onyike, Chiadi U., Day, Gregory S., Graff‐Radford, Neill R., Murray, Melissa E., Jones, D. Richard, Jack, Clifford R., Vemuri, Prashanthi, Touroutoglou, Alexandra, Duara, Ranjan, Grant, Ian, Sha, Sharon, Wingo, Thomas S., Beckett, Laurel A., Rogalski, Emily J, Mendez, Mario F., Kramer, Joel, Joie, Renaud La, Grinberg, Lea T., Koeppe, Robert, Wolk, David A., Aisen, Paul, RAMAN, REMA , Toga, Arthur, Kukull, Walter A., Musiek, Erik, Womack, Kyle, Carrillo, Maria C., Rabinovici, Gil D., Dickerson, Bradford C., Apostolova, Liana G., Nudelman, Kelly N. H., Murray, Melissa E. , Carrillo, María C. , Turner, Raymond Scott , Rabinovici, Gil D. , Joie, Renaud La , Day, Gregory S. , Day, Gregory S , Murray, Melissa E , La Joie, Renaud , Rabinovici, Gil D , Huang, Yen‐Ning, Nho, Kwangsik T. , Saykin, Andrew J. , Eloyan, Ani , Taurone, Alexander, Riddle, Meghan , Salloway, Steve , Atri, Alireza , Honig, Lawrence S. , Johnson, Erik C. B. , Masdeu, Joseph C , Foroud, Tatiana , Clark, David, Hammers, Dustin B , Dage, Jeffrey L. , Ghetti, Bernardino , Newell, Kathy L. , Onyike, Chiadi U. , Graff‐Radford, Neill R. , Jones, David T. , Jack, Clifford R. , Vemuri, Prashanthi , Touroutoglou, Alexandra , Duara, Ranjan , Sha, Sharon J. , Beckett, Laurel , Rogalskı, Emily , Mendez, Mario F. , Kramer, Joel, Blazhenets, Ganna , Grinberg, Lea T. , Koeppe, Robert A. , Wolk, David A. , Aisen, Paul , Toga, Arthur W. , Kukull, Walter A. , Musiek, Erik , Dickerson, Bradford Clark , Apostolova, Liana G. , Nudelman, Kelly

Mayo Clinic

Alzheimer's & Dementia | January 14, 2026 | Volume: 22 | Issue: 1 | Pages: No page available

10.1002/alz.71066 | PMID 41532810 Get It

Abstract INTRODUCTION The genetic basis of sporadic early‐onset Alzheimer's disease (EOAD) remains largely unknown, prompting evaluation of late‐onset Alzheimer's disease (LOAD) polygenic risk in EOAD. METHODS A LOAD polygenic score (PGS) was calculated in the Longitudinal Early‐onset Alzheimer's Disease Study (LEADS) and Alzheimer's Disease Neuroimaging Initiative (ADNI) study and tested for associations with AD risk, cognitive performance, and imaging and fluid biomarkers. RESULTS Though PGS was elevated in LOAD and EOAD, it was not a significant predictor of EOAD adjusting for APOE ε4 carrier status and was not associated with age of EOAD onset ( p = 0.106) or with cognitive performance ( p = 0.417). In LEADS, greater LOAD PGS was associated with differences in neuroimaging and fluid biomarkers, including elevated synaptosomal‐associated protein 25 (SNAP‐25) ( p = 2.3 × 10 −5 ). DISCUSSION While LOAD polygenic risk contributed minimally to EOAD onset and cognitive dysfunction, PGS association with fluid biomarkers in LEADS suggests a role for LOAD polygenic risk in EOAD pathophysiology. Highlights LOAD PGSs were elevated in both LOAD and EOAD compared to controls; however, LOAD PGS did not significantly predict EOAD risk, age at onset, or cognitive performance independent of APOE ε4 in the LEADS. Higher LOAD PGS was associated with lower amyloid PET Centiloids (less brain amyloid deposition) as well as lower CSF biomarker Aβ42 in LEADS (proxy marker suggesting higher brain amyloid deposition) in LEADS; these contradictory findings support the need for larger studies to further investigate whether LOAD PGS is associated with increased amyloid deposition in EOAD. Higher LOAD PGS was also associated with higher levels of CSF synaptosomal‐associated protein 25 (SNAP‐25), a key component of the SNARE complex, suggesting that LOAD genetic factors may contribute to dysregulation of synaptic transmission and/or pathological protein aggregation in EOAD.
Associated Risks to the Treatment of Unruptured Intracranial Aneurysms (MARTA) Score: Development and External Validation
Diana, Francesco , Siddiqui, Adnan H., Tomasello, Alejandro , Hernández, David , Requena, Manuel, Lascuevas, Marta de Dios , Xu, Bin, Liao, Yujun, Raz, Eytan, Nossek, Erez , Stroh-Holly, Nico , Gmeiner, Matthias , Civelli, Vittorio , Arpaia, Francesco , Khattar, Nicolas, Nickele, Christopher M., Arthur, Adam S., Charbel, Fady T. , Vajkoczy, Peter, Sanchin, Amina, Jabbour, Pascal, Lanzino, Giuseppe, Raabe, Andreas, Velinov, N., Burkhardt, Jan Karl, Saei, Hamzah, Salcuni, Andrea , Manfrini, Elia , Romoli, Michele, Siddiqui, Adnan H. , Vajkoczy, Peter , Ransom, Ryan C, Romoli, Michele , Siddiqui, Adnan H , Jaikumar, Vinay , Baig, Ammad A. , Requena, Manuel , Arikán, Fuat , Liao, Yujun , Raz, Eytan , Chung, Charlotte , Hoffman, Haydn , Nickele, Christopher, Arthur, Adam Stephen , Jabbour, Pascal , Lanzino, Giuseppe , Ransom, Ryan C. , Raabe, Andreas , Petutschnigg, Thomas , Hassan, Ameer E , Saei, Hamzah, Eusebi, Paolo , Bonura, Adriano , Peschillo, Simone

Mayo Clinic

Neurosurgery | January 14, 2026 | Volume: 99 | Issue: 3 | Pages: 603-614

10.1227/neu.0000000000003900 | PMID 41532751 Get It

BACKGROUND AND OBJECTIVES: Unruptured intracranial aneurysms (UIAs) are increasingly detected and require careful management to prevent rupture. No externally validated score currently predicts procedural risk to guide treatment decisions. We developed and validated 2 predictive scores for complications after endovascular treatment (EVT) or neurosurgical treatment (NT) of UIA using routinely collected clinical and aneurysmal features. METHODS: We conducted a multicenter retrospective study including patients with UIA treated with EVT or NT across 15 neurovascular centers (2014-2024). Predictive models were built using multivariable logistic regression, with variables derived from Delphi consensus. The primary outcome was a composite safety end point: new neurological deficits, modified Rankin Scale (mRS) worsening (≥1 point or mRS 2-5 within 30 days), or procedural death. Internal validation used bootstrapping, and external validation was performed temporally and institutionally. Model performance was assessed using area under the receiver operating characteristic curve (AUROC) and calibration. Final scores, named Morbidity and Mortality Associated Risk in the Treatment of UIAs (MARTA)-EVT and MARTA-NT, were compared with existing models identified through systematic review. RESULTS: Among 2647 patients (1907 EVT and 740 NT), procedural complications occurred in 6.3% (EVT) and 12.8% (NT). Independent predictors included age, baseline mRS, aneurysm location, size, morphology, and procedural factors. MARTA-EVT (AUROC = 0.68, 95% CI = 0.57-0.78) and MARTA-NT (AUROC = 0.65, 95% CI = 0.54-0.77) showed moderate discrimination and good calibration. MARTA-EVT outperformed existing models; MARTA-NT performed similarly to SAFETEA. Predictive models are available open-source: https://martascoreapp.shinyapps.io/martascoreapp/. CONCLUSION: MARTA-EVT and MARTA-NT are validated tools for predicting procedural risks in UIA treatment and may support patient counseling and clinical decision making.
Research Code Sharing in Support of Gold Standard Science
Klonoff, David C., Espinoza, Juan, Mader, Julia K., Heinemann, Lutz, Cobelli, Claudio, Kerr, David , Kovatchev, Boris, Najafi, Bijan , Prahalad, Priya , Zheng, Yaguang , Shao, Mandy M. , Scheideman, Agatha F. , DuNova, Ashley Y. , Kohn, Michael , Umpierrez, Guillermo E., Malek, Aiman Abdel, Agus, Michael S. D., Ahn, David T., AlSaad, Rawan , AL-SOFIANI, MOHAMMED, Armstrong, David, Arnold, Mark A., Bequette, B. Wayne , Bellazzi, Riccardo, Cengiz, Eda, Chase, J. Geoffrey, Chen, Jake Y. , Cichosz, Simon Lebech , Clements, Mark A. , Close, Kelly L., Cuadros, Jorge , Contreras, Ivan, Drincic, Andjela , Facchinetti, Andrea, Fleming, G. Alexander , Gabbay, Monica A. L., Healey, Elizabeth, Hoang, Thanh D., Kulzer, Bernhard, Belle, Jeff La, Lee, Aaron, Lee, Cecilia S., Lee, Wei-An , Liepmann, Dorian , Maahs, David M. , Mathioudakis, Nestoras, Metwally, Ahmed A., Mohan, Viswanathan, Moon, Sun-Joon, Raeder, Helge, Rhee, Connie, Rhee, Eun-Jung, Scheinker, David , Shah, Viral N., Snyder, Michael P., Sode, Koji, Spanakis, Elias K., Svensson, Jannet, Vaswani, Nitin, Vareth, Maryam, Wallia, Amisha , Wang, Tao, Williams, Ebonie, Wolf, Ruth, Wong, Jenise C., Yeshiwas, Sewagegn, Shah, Shahid N. , Cobelli, Claudio , Snyder, M , Kovatchev, Boris , Heinemann, Lutz , Espinoza, Juan , Mathioudakis, Nestoras , Mader, Julia K. , Klonoff, David C , Espinoza, Juan , Mader, Julia K , Heinemann, Lutz , Cobelli, Claudio , Kovatchev, Boris , Umpierrez, Guillermo E. , Wong, Tien Y , Abdel Malek, Aiman , Agus, Michael S D , Ahn, David T , AlSaad, Rawan , Al-Sofiani, Mohammed E , Armstrong, David , Arnold, Mark A , Bee, Yong Mong , Bequette, B Wayne , Bellazzi, Riccardo , Cengiz, Eda , Chase, James Geoffrey , Chen, Haipeng , Chen, Jake Y , Cichosz, Simon L , Cinar, Ali , Clements, Mark A , Close, Kelly L , Cuadros, Jorge , Contreras, Ivan , Datta, Gora , Dhatariya, Ketan , Doyle, Francis J , Drincic, Angela , Facchinetti, Andrea , Fleming, G Alexander , Foreman, Joshua , Gabbay, Monica A L , Gutierrez-Osuna, Ricardo , Healey, Elizabeth , Hoang, Thanh D , Jacobs, Peter G , Kulzer, Bernhard , La Belle, Jeff , Lee, Aaron Y , Lee, Cecilia S , Lee, Wei-An Andy , Liepmann, Dorian , Maahs, David M , Mathioudakis, Nestoras N , Meo, Sultan A , Metwally, Ahmed A , Misra, Shivani , Mohan, Viswanathan , Moon, Sun-Joon , Raeder, Helge , Rhee, Connie M , Rhee, Eun-Jung , Scheinker, David , Shah, Viral N , Sheng, Bin , Snyder, Michael , Sode, Koji , Spanakis, Elias K , Svensson, Jannet , Vaswani, Nitin , Vareth, Maryam , Vehi, Josep , Wallia, Amisha , Waki, Kayo , Wang, Tao , Williams, Eric , Wolf, Risa M , Wong, Jenise C , Bekele, Sewagegn Yeshiwas , Zilbermint, Mihail , Shah, Shahid N , Klonoff, David C. , DuBord, Ashley Y., Wong, Tien Yin , Agus, Michael S. D. , Ahn, David , Close, Kelly L. , Dhatariya, Ketan , Doyle, Francis J. , Rhee, Connie M. , Sode, Koji , Spanakis, Elias K. , Waki, Kayo , Wong, Jenise C. , Zilbermint, Mihail

Mayo Clinic

Journal of Diabetes Science and Technology | January 14, 2026 | Volume: 20 | Issue: 3 | Pages: 609-619

10.1177/19322968251391819 | PMID 41532590 Get It

Sharing research code in an open access version-controlled repository offers significant benefits for both science as a whole and for individual researchers. In this article, we focus on this practice, which is fully aligned with the NIH’s Gold Standard Science (GSS) program as well as FAIR (findable, accessible, interoperable, reusable) and TRUST (transparency, responsibility, user focus, sustainability, technology) principles. Gold Standard Science supports open science by emphasizing transparency, reproducibility, and the use of best practices that enable others to verify and extend research. Pairing a research article’s cited data snapshot with a versioned, environment-specific code release, deposited in a companion code repository, ensures that, upon submission to a medical journal, readers and reviewers can directly verify results. An executable and updatable companion code repository complements, rather than replaces, established research data repositories. When code underlying medical research results is made openly available, then other scientists can inspect, run, and validate analyses. These activities enhance reproducibility, which is a core aim of GSS. Shared code also facilitates collaborative innovation by allowing researchers to extend the utility of the code to new datasets and applications. For researchers, code sharing can increase visibility, credibility, and citation impact. Demonstrating transparency through shared executable and updatable code builds trust with journal readers, peer reviewers, funders, and peers. Shared code in an open access repository signals adherence to high standards of scientific integrity and attracts opportunities for collaboration. A researcher who shares code receives recognition as a leader in reproducible, trustworthy research consistent with NIH’s GSS principles.
Degradable fibrin hydrogels for transplantation of iPSC-derived retinal pigment epithelial cell monolayers
Marmorstein, Alan D. , Knudsen, Travis, Hill, Matthew, Kopp, Francesca N., Trncic, Emma , Korda, David , Atherton, Evan, Berger, Aubrey , Gandhi, Jarel K. , Iezzi, Raymond , Gandhi, Jarel, Marmorstein, Alan D , Scruggs, Brittni A. , Kopp, Francesca, Finnemann, Silvia C.

Mayo Clinic

Frontiers in Cell and Developmental Biology | January 14, 2026 | Volume: 13 | Issue: No issue available | Pages: No page available

10.3389/fcell.2025.1739620 | PMID 41613944 Get It

Death or dysfunction of retinal pigment epithelium (RPE) cells occurs in age-related macular degeneration (AMD) and certain inherited retinal dystrophies (IRDs). Induced-pluripotent stem cell (iPSC) derived-RPE have been used in early-stage clinical trials to treat AMD and IRDs by injecting them as a cell suspension or monolayers. While RPE transplant shows therapeutic potential, issues ranging from failure to repopulate the entire treatment area, clumping and monolayer folding, and a foreign body response to the support have been reported. We’ve shown that RPE can be grown on high concentration (>30 mg/mL) degradable fibrin hydrogels, and that cell free fibrin hydrogels implanted in the subretinal space degrade without causing inflammation. Here we describe manufacture and surgical implantation of degradable fibrin hydrogels carrying iPSC-RPE into a porcine model of geographic atrophy (GA). Large (15.25 × 58.42 × 0.2 mm) fibrin gel blanks were produced by injection molding, and iPSC-RPE were grown on their surface. Using a mechanical punch, the blank was subdivided into 1.5 × 5.0 × 0.2 mm doses, which fit a custom tool used for storage and surgical placement. Following aseptic packaging, RPE and gels were stable at 37 °C for at least 7 weeks. When transplanted into a pig model of GA, the fibrin scaffold degraded in <1 month and the iPSC-RPE provided partial rescue from GA as assessed by preservation of photoreceptors and blood flow in the choriocapillaris. We conclude that iPSC-RPE delivered on degradable fibrin hydrogels represent a potentially safe and effective approach to RPE transplantation.
Self‐Reported Speech Outcomes in Oral Cavity Cancer
Baratz, Hannah , Renkert, Elisabeth, Li, Yan, McDaniels, James, Yeatts, Jennifer W., Yeoh, Melvyn, Montealegre, David Hernandez, Windon, Melina J. , Yin, Linda X , Orbelo, Diana, Yin, Linda X. , Ishikawa, Keiko , Orbelo, Diana M.

Mayo Clinic

Head & Neck | January 14, 2026 | Volume: 48 | Issue: 6 | Pages: 1559-1566

10.1002/hed.70134 | PMID 41532281 Get It

ABSTRACT Background Individuals with oral cavity cancer (OCC) have negatively impacted functional status and quality of life. Little is known regarding patients' perspectives of their speech impairments. This study compared self‐reported speech function between patients surgically treated for OCC and healthy controls using the Speech Handicap Index (SHI) and identified factors associated with worse scores. Methods This is a multiinstitutional cross‐sectional study of OCC patients and healthy controls recruited between July 2024 and March 2025. Participants completed the SHI and self‐reported speech quality. Demographics, tumor, and treatment details were abstracted from the electronic health record for OCC. Group differences were assessed with t ‐tests, χ 2 , and Fisher's exact tests. Results Among 69 OCC and 90 controls, OCC patients had significantly higher mean SHI scores (50.2 vs. 34.7, p < 0.01) and were less likely to rate their speech as “good” or “excellent” (47.8% vs. 85.6%, p < 0.01). Both speech and psychosocial domain scores were significantly worse among OCC. Free flap reconstruction was associated with worse scores (29.6 vs. 15.5, p = 0.02) and worse self‐rated speech quality. Conclusions Patients with surgically treated oral cavity cancer have significantly impaired self‐perceived speech and psychosocial functioning compared with healthy individuals. Greater deficits were observed in patients who required free flap reconstruction. Despite the functional deficit, nearly half of OCC patients reported satisfaction with their speech quality. These findings highlight the importance of using validated measures for speech function and support the need for early, multidisciplinary rehabilitation including speech therapy in this population, particularly for those undergoing free flap reconstruction.
Beyond the Eyes: Is Teprotumumab Effective for Thyroid Dermopathy?
Hamadi, Dana , Saad-Omer, Suhail, Toro-Tobon, David, Toro-Tobón, David , Stan, Marius N.

Mayo Clinic

Thyroid® | January 14, 2026 | Volume: 36 | Issue: 2 | Pages: 213-218

10.1177/10507256251414948 | PMID 41791882 Get It

Background: Pretibial dermopathy (PTD) is a rare, disfiguring manifestation of Graves’ disease. The shared pathophysiology with thyroid eye disease (TED), centered on fibroblast activation via a thyroid-stimulating hormone receptor and insulin-like growth factor-1 receptor (IGF-1R) complex, provides a strong rationale for using the IGF-1R inhibitor, teprotumumab. Methods: We present a case series of five patients with severe PTD and concomitant TED who were treated with teprotumumab. A review of reported cases in the literature was also conducted. Results: All patients experienced significant clinical improvement, including regression of skin thickening as well as enhanced functional capacity. Side effects included mild hearing loss, muscle cramps, and fatigue. One patient experienced a severe gastrointestinal event requiring treatment discontinuation, while those experiencing a recurrence of PTD, responded to a second course of therapy. Conclusions: Teprotumumab showed promising efficacy in the treatment of PTD. Further studies are needed to confirm its durability and safety.
Differential motor signatures in isolated and narcolepsy-related REM sleep behaviour disorder: a preliminary study
Drakatos, Panagis , Duncan, Iain , Wasserman, Danielle, Gnoni, Valentina, O’Regan, David, Varga, Andrew W., Tan, Huiling, Ashkan, Keyoumars, Parrino, Liborio, Ferini-Strambi, Luigi, Chaudhuri, K. Ray, Rosenzweig, Ivana , Chaudhuri, К. Ray , Wasserman, Danielle , Gnoni, Valentina , O'Regan, David, Varga, Andrew W. , Tan, Huiling , Ashkan, Keyoumars , Grinberg, Lea T. , Parrino, Liborio , Ferini-Strambi, Luigi , Goadsby, Peter J.

Mayo Clinic

Frontiers in Neurology | January 14, 2026 | Volume: 16 | Issue: No issue available | Pages: No page available

10.3389/fneur.2025.1749306 | PMID 41613175 Get It

Background REM sleep behaviour disorder (RBD) is a prodrome of α -synucleinopathy, yet mechanistic pathways are unresolved. Narcolepsy type 1 with RBD (NT1-RBD) provides a human model of orexin deficiency. We tested whether REM motor semiology differs categorically between isolated RBD (iRBD) and NT1-RBD. Methods We retrospectively analyzed blinded video-polysomnographic scorings from 57 patients (iRBD n = 34; NT1-RBD n = 23). Across 857 REM events (iRBD 717; NT1-RBD 140), we classified topography (head/neck, trunk, upper, lower limbs), complexity (elementary vs. complex), content (scenic, violent, self-referential), vocal/orofacial features, spatial distribution and laterality using a pre-specified codebook. The patient was the primary unit of inference. Binary features used Fisher’s exact tests with Cohen’s h ; the per-patient complex-event proportion used Mann–Whitney and Cliff’s δ (bootstrap 95% CI). Robustness checks comprised Beta-Binomial posteriors (Beta [1,1]) and patient-label permutation tests (10,000 permutations). Results REM motor phenotypes diverged categorically. Lower-limb dominance occurred in 18/23 (78.3%) NT1-RBD vs. 7/34 (20.6%) iRBD (Fisher p &lt; 0.0001; Cohen’s h ≈ +1.23), whereas upper-limb dominance occurred in 24/34 (70.6%) iRBD vs. 2/23 (8.7%) NT1-RBD ( p &lt; 0.0001; h ≈ −1.40). Any complex event was present in 27/34 (79.4%) iRBD vs. 3/23 (13.0%) NT1-RBD ( p &lt; 0.0001; h ≈ −1.46); violent enactments in 16/34 (47.1%) vs. 0/23 (0%) ( p &lt; 0.0001; h ≈ −1.51). The per-patient complex-event proportion was higher in iRBD [median 0.21 (0.05–0.33)] than NT1-RBD [0.00 (0.00–0.00)] (Mann–Whitney p &lt; 0.0001; Cliff’s δ = −0.665; 95% CI −0.853 to −0.441). Event-level summaries were concordant; permutation p -values were 0.0001 for upper-limb involvement and 0.0083 for complex behaviour. Conclusion iRBD and NT1-RBD exhibit qualitatively distinct REM motor phenotypes: upper-body-dominant, complex/scenic behaviours in iRBD versus elementary, predominantly bilateral lower-limb behaviours with notable trunk recruitment in NT1-RBD, supported by large effect sizes and convergent robustness checks. These findings motivate mechanistic studies of hypothalamic-brainstem-cortical integration in REM and suggest that semiological profiling may aid stratification in prodromal neurodegeneration.
Drug or Pokémon? Large language model performance in identification of fabricated medications
Henry, Kelli , Murray, Brian, Zhao, Xingmeng , Blotske, Kaitlin , Gao, Yanjun, Smith, Brooke, Smith, Susan , Barreto, Erin, Bauer, Seth R. , Sohn, Sunghwan , Liu, Tianming , Cohen, Mitch, Abdulnour, Raja-Elie E, Le, Khoa , Zhou, Hongjian , Clifton, David A. , Murray, Brian , Henry, Kelli , Gao, Yanjun , Smith, Brooke , Murray, Brian , Gao, Yanjun , Smith, Susan E , Frazee, Erin N , Bauer, Seth R , Bennett, Tell , Cohen, Mitch , Abdulnour, Raja-Elie E , Sikora, Andrea , Sohn, Sunghwan , Frazee, Erin N. , Celi, Leo Anthony , Liu, Fenglin

Mayo Clinic

No container title available | January 14, 2026 | Volume: No volume available | Issue: No issue available | Pages: No page available

10.64898/2026.01.12.26343930 | PMID 41646757 Get It

Abstract Background Large language models (LLMs) are increasingly used in medication-related tasks despite limited evidence supporting their accuracy and safety. LLMs are vulnerable to adversarial attacks and may confabulate in response to fabricated information in the prompt. Given the substantial risk of harm from medication errors, the purpose of this study was to establish a benchmark task to evaluate LLM performance in distinguishing fabricated from real medications. Methods Two datasets (brand and generic), each consisting of 250 medication lists were developed, each including 4-6 medications and one fabricated medication (specifically a Pokémon character), with complete dosing information provided. Six LLMs were evaluated (GPT-5-Chat, GPT-4o-mini, DrugGPT, Gemma-3-27B-IT, Llama-3.3-70B-Instruct, and Qwen3-32B). For each medication list, models were queried for dosing information and disease indication across three experimental conditions: standard decoding, standard decoding with mitigation prompting, and deterministic decoding (temperature = 0). Each experiment was performed in triplicate. Outputs were deemed confabulations if the LLM failed to recognize and reject the fabricated medication. The primary outcome was the rate of confabulations. Exact paired-permutation tests were used to compare confabulation rates across LLMs and prompting approaches. Results Confabulation rates under standard conditions ranged from 2.7% to 99.6%. DrugGPT demonstrated the lowest baseline confabulation rates (2.7-6.4%), whereas other models demonstrated substantially higher rates (47.2-99.6%). Mitigation prompting significantly reduced confabulation rates compared to standard and deterministic decoding across all tasks and datasets (p < 0.001): GPT-5-Chat achieved confabulation rates of 0% with mitigation prompting from baseline rates of 66.4-88.5%. Deterministic decoding did not substantially impact confabulation rates. Conclusions LLMs performing medication-related tasks are susceptible to confabulation in response to invalid or fabricated inputs, raising important safety concerns for clinical use. While mitigation prompting reduced confabulation rates, this study underscores the importance of robust safeguards when deploying LLMs in medication-related decision-making.