267,854 results match your criteria: "Harvard Medical School[Affiliation]"

Introduction: Antibody-drug conjugates (ADCs) trastuzumab-deruxtecan (T-DXd) and sacituzumab-govitecan (SG) provided significant progression-free survival (PFS) and overall survival (OS) improvements over chemotherapy (CT) in pretreated hormone receptor-positive (HR+) and triple-negative (TN)/HER2-low metastatic breast cancer (MBC). However, no direct comparison between the two exists, nor with the more recent datopotamab-deruxtecan (Dato-DXd).

Methods: We conducted a network meta-analysis (NMA) to compare efficacy and safety of T-DXd and SG in CT-pretreated HR+ and TN/HER2-low MBC and assess their benefit over standard CT, exploring also a comparison with Dato-DXd.

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Increased nuclear factor I-mediated chromatin access drives transition to androgen receptor splice variant dependence in prostate cancer.

Cell Rep

December 2024

Department of Medicine and Cancer Center, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA. Electronic address:

Androgen receptor (AR) splice variants, of which ARv7 is the most common, are increased in castration-resistant prostate cancer, but the extent to which they drive AR activity is unclear. We generated a subline of VCaP cells (VCaP16) that is resistant to the AR inhibitor enzalutamide (ENZ). AR activity in VCaP16 is driven by ARv7, independently of full-length AR (ARfl), and its cistrome and transcriptome mirror those of ARfl in VCaP cells.

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Time-Drive Activity-Based Costing (TDABC) in Otolaryngology: A Scoping Review.

Otolaryngol Head Neck Surg

December 2024

Department of Otolaryngology-Head and Neck Surgery, University of California San Francisco, San Francisco, California, USA.

Objective: Accurately measuring the cost of a clinical process is critical to identifying ways to increase the value of a healthcare process. The objective of this study was to review time-driven activity-based costing (TDABC) in otolaryngology and to illustrate areas where value may be increased.

Data Sources: PubMed, Web of Science, Embase, CINAHL Complete, and Business Source Complete from database inception to August 2024.

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Knee osteoarthritis contributes substantially to worldwide disability. Post-traumatic osteoarthritis (PTOA) develops secondary to joint injury, such as ligament rupture, and there is increasing evidence suggesting a key role for inflammation in the aetiology of PTOA and associated functional deficits. Colony stimulating factor 1 receptor (CSF1-R) has been implicated in the pathogenesis of musculoskeletal degeneration following anterior cruciate ligament (ACL) injury.

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The Bipolar-Schizophrenia Network for Intermediate Phenotypes (B-SNIP) created psychosis Biotypes based on neurobiological measurements in a multi-ancestry sample. These Biotypes cut across DSM diagnoses of schizophrenia, schizoaffective disorder, and bipolar disorder with psychosis. Two recently developed post hoc ancestry adjustment methods of Polygenic Risk Scores (PRSs) generate Ancestry-Adjusted PRSs (AAPRSs), which allow for PRS analysis of multi-ancestry samples.

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Objectives: To evaluate if the tackler correctly adhering, or not, to four different instructions of legal front-on one-on-one torso tackles altered the tackler and/or ball carrier peak inertial head kinematics.

Design: Controlled laboratory study.

Methods: Fifteen rugby-code players measured with three-dimensional optoelectronic motion capture performed two tackle instructions from the Australian National Rugby League coaching manual on under (Dominant National Rugby League) and over (Smother National Rugby League) the ball tackles, and two novel variants of these (under, Dominant, Torso Stick; over, Smother, Pop, Lock).

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Generative adversarial collaborations: a new model of scientific discourse.

Trends Cogn Sci

December 2024

Department of Cognitive Sciences, University of California Irvine, Irvine, CA, USA; Program in Brain, Mind, and Consciousness, Canadian Institute of Advanced Research, Toronto, Ontario, Canada. Electronic address:

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Physical findings.

Lancet

December 2025

Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA. Electronic address:

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Abscopal response in a patient with fibrolamellar hepatocellular carcinoma following radiotherapy.

Lancet

December 2025

Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston Children's Cancer and Blood Disorders Center, and Harvard Medical School, Boston, MA, USA.

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Background: A large body of evidence links stressful life events with depression. However, little is understood about the role of perceived impact in this association.

Methods: We performed regression analysis to investigate whether self-reported stress reactivity (derived by regressing the impact-weighted life event score on the unweighted score) moderated the association between stressful life events and depressive symptoms in adolescents from the Avon Longitudinal Study of Parents and Children cohort (n = 4791), controlling for age at outcome, sex, ethnicity, and maternal education.

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Prognostic models for progression-free survival in atypical meningioma: Comparison of machine learning-based approach and the COX model in an Asian multicenter study.

Radiother Oncol

December 2024

Department of Radiation Oncology, Yonsei Cancer Center, Heavy Ion Therapy Research Institute, Yonsei University College of Medicine, Seoul, South Korea; Brain Research Institute, Yonsei University College of Medicine, Seoul, Korea. Electronic address:

Background And Purpose: Atypical meningiomas are prevalent intracranial tumors with varied prognoses and recurrence rates. The role of adjuvant radiotherapy (ART) in atypical meningiomas remains debated. This study aimed to develop and validate a prognostic model incorporating machine learning techniques and clinical factors to predict progression-free survival (PFS) in patients with atypical meningiomas and assess the impact of ART.

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Therapeutic plasma exchange (PLEX) is an adjunctive treatment for patients with anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis and kidney involvement. Little is known about the effect of PLEX on early changes in kidney function. This post-hoc analysis of the PEXIVAS trial investigated the effects of PLEX on changes in kidney function within 12 months.

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Background: Initiating urate-lowering therapy can trigger gout flares. Gout flares have been associated with a temporally increased risk of cardiovascular events. Therefore, we aimed to estimate the risk of cardiovascular events in patients with gout initiating urate-lowering therapy with flare prophylaxis using colchicine (the drug recommended for gout flare prohphylaxis by many international societies) compared with no prophylaxis.

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Integrating cancer into crisis: a global vision for action from WHO and partners.

Lancet Oncol

December 2024

Department of Noncommunicable Diseases, Rehabilitation and Disability, WHO, Geneva, Switzerland.

More than a billion people live in fragile, conflict-affected, and vulnerable settings requiring humanitarian support, where cancer is a substantial health issue. Despite its substantial effect on populations, cancer care remains underprioritised in emergency preparedness and response frameworks and humanitarian operational planning. This Policy Review summarises the perspectives and actionable recommendations from the First Global High-Level Technical Meeting on Non-communicable Diseases in Humanitarian Settings, with a focus on cancer.

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A modiolar-pillar gradient in auditory-nerve dendritic length: A novel post-synaptic contribution to dynamic range?

Hear Res

December 2024

Eaton-Peabody Laboratories, Massachusetts Eye and Ear, Boston, MA, United States; Department of Otolaryngology-Head & Neck Surgery, Harvard Medical School, Boston, MA, United States. Electronic address:

Auditory-nerve fibers (ANFs) from a given cochlear region can vary in threshold sensitivity by up to 60 dB, corresponding to a 1000-fold difference in stimulus level, although each fiber innervates a single inner hair cell (IHC) via a single synapse. ANFs with high-thresholds also have low spontaneous rates (SRs) and synapse on the side of the IHC closer to the modiolus, whereas the low-threshold, high-SR fibers synapse on the side closer to the pillar cells. Prior biophysical work has identified modiolar-pillar differences in both pre- and post-synaptic properties, but a comprehensive explanation for the wide range of sensitivities remains elusive.

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Biomimetic gradient hydrogel with fibroblast spheroids for full-thickness skin regeneration.

Biomater Adv

December 2024

School of Chemical Engineering, Pusan National University, Busan 46241, Republic of Korea; Department of Organic Materials Science and Engineering, Pusan National University, Busan 46241, Republic of Korea; Institute of Advanced Organic Materials, Pusan National University, Busan 46241, Republic of Korea. Electronic address:

Hydrogel-based scaffolds have been widely investigated for their use in tissue engineering to accelerate tissue regeneration. However, replicating the physiological microenvironments of tissues with appropriate biological cues remains challenging. Recent advances in gradient hydrogels have transformed tissue-engineering research by providing precise structures that mimic the extracellular matrix of natural tissues.

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We aimed at investigating the presence of patterns that account for the phenotypic variability in a myotonic dystrophy type 2 (DM2) retrospective cohort at the Mass General Brigham Neuromuscular Centers. We collected the presence or absence of 23 clinical variables at symptom onset and diagnosis (n = 67 patients) and follow-up (n = 37 patients). We first identified set/s of variables (factors or cluster/s) representative of the large research data pool at onset by performing factor analyses, then assigned each patient to the cluster for which they had the highest computed total factor score.

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Renin-independent aldosteronism and metabolic dysfunction-associated steatotic liver disease and cirrhosis: A genetic association study.

Clin Nutr

December 2024

Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, United States of America; Department of Medicine, Boston VA Healthcare System, Boston, MA 02130, United States of America.

Background & Aims: Renin-independent aldosteronism (RIA) refers to a spectrum of autonomous aldosterone hypersecretion. We aimed to explore the genetical relationship between RIA and metabolic dysfunction-associated steatotic liver disease (MASLD) and cirrhosis.

Methods: We included 125357 participants from the cohort of United Kingdom Biobank.

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Neonatal Seizures and Associated Neurobehavioral Profiles in Preschool Age Children.

Pediatr Neurol

November 2024

Division of Rehabilitation Psychology Neuropsychology, Department of Physical Medicine and Rehabilitation, University of Michigan, Ann Arbor, Michigan. Electronic address:

Background: Neonatal seizures are common with acute brain injury. Up to 25% of survivors develop postneonatal epilepsy. We hypothesized postneonatal epilepsy diagnosed by age 24 months would increase risk for early markers of neurobehavioral disorders than acute provoked neonatal seizures alone.

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Hypothalamic volume is associated with age, sex and cognitive function across lifespan: a comparative analysis of two large population-based cohort studies.

EBioMedicine

December 2024

Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany; Department of Neurology, Faculty of Medicine, University of Bonn, Germany. Electronic address:

Background: Emerging findings indicate that the hypothalamus, the body's principal homeostatic centre, plays a crucial role in modulating cognition, but comprehensive population-based studies are lacking.

Methods: We used cross-sectional data from the Rhineland Study (N = 5812, 55.2 ± 13.

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Introduction: We performed a qualitative study to explore key stakeholders' perspectives about the impact of frailty on ovarian cancer care and evaluate a candidate prehabilitation intervention.

Materials And Methods: We conducted semi-structured interviews with patient-caregiver dyads and multi-disciplinary clinicians. Patients were ≥ 50 years of age with a new diagnosis of advanced stage (III/IV) ovarian cancer who received cancer-directed treatment (chemotherapy and/or surgery) during the past year and met criteria as pre-frail or frail using the FRAIL scale.

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With no standard method to capture penicillin allergy de-labeling prevalence across populations, we developed and validated a simple penicillin allergy de-labeling prevalence measure from electronic health records that achieved perfect sensitivity (100.0%), high specificity (99.4%), and strong agreement with a comprehensive algorithm that included free-text manual review (Kappa=0.

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Efficient Photolysis of Multidrug-Resistant Polymicrobial Biofilms.

Adv Sci (Weinh)

December 2024

Wellman Center for Photomedicine, Massachusetts General Hospital, Department of Dermatology, Harvard Medical School, 50 Blossom Street, Boston, MA, 02114, USA.

Chronic wounds are prone to infections with multidrug-resistant bacteria, forming polymicrobial biofilms that limit treatment options and increase the risk of severe complications. Current cleansing options are insufficient to disrupt and remove tenacious biofilms; antibiotic treatments, on the other hand, often fall short against these biofilm-embedded bacteria. This study explores an non-antibiotic approach that extends beyond conventional porphyrin-based phototherapy by using blue light (BL) in conjunction with ferric ions (Fe(III)) to disrupt and eradicate biofilms.

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Objective: What is the effect of surgical or conservative treatment on the in-hospital outcomes of patients with combined fractures of the clavicle and ribs?

Design: Retrospective cohort study.

Setting: Two level-1 trauma centers and academic teaching hospitals in Boston, Massachusetts.

Patients: All adult patients with a clavicle fracture and ≥3 rib fractures admitted from 2016 to 2021.

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