The Briefing

Continuous newsroom coverage of clinically relevant evidence — newest first.

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24 stories
  1. Erythroid FGF23 Directly Inhibits Red Cell Production in Mouse Models
    Blood Journal ·Animal Study · April 22, 2026

    Erythroid FGF23 Directly Inhibits Red Cell Production in Mouse Models

    Local fibroblast growth factor 23 signaling in the bone marrow impairs erythropoiesis through FGFR1 activation and mitochondrial dysfunction.

  2. Mosunetuzumab and Polatuzumab Vedotin Show High Response in Refractory MCL
    Blood Journal ·Non-Randomized Controlled Trial · April 22, 2026

    Mosunetuzumab and Polatuzumab Vedotin Show High Response in Refractory MCL

    A phase 2 trial reports a 78.6% complete response rate in patients with mantle cell lymphoma after Bruton tyrosine kinase inhibitor failure.

  3. Childhood Cognitive Control Predicts Adult Tic Remission and Income
    Journal of Child Psychology and Psychiatry ·Cohort Study · April 22, 2026

    Childhood Cognitive Control Predicts Adult Tic Remission and Income

    Early executive function measures in children with Tourette syndrome correlate with clinical and socioeconomic success 11 years later.

  4. LDTM Transfer Achieves 91% Return-to-Work Rate for Subscapularis Tears
    American Journal of Sports Medicine ·Cohort Study · April 22, 2026

    LDTM Transfer Achieves 91% Return-to-Work Rate for Subscapularis Tears

    A retrospective study of 189 patients shows significant functional gains and a mean five-month return to employment after tendon transfer.

  5. Standard Activity Guidelines Better Preserve Hippocampal Volume Than HIIT in Older Adults
    Sports Medicine ·Cohort Study · April 22, 2026

    Standard Activity Guidelines Better Preserve Hippocampal Volume Than HIIT in Older Adults

    A nine-year study finds that baseline fitness and moderate activity provide more durable neuroprotection than high-intensity training.

  6. Eleven-Protein Plasma Panel Identifies Parkinson’s Disease Across Four Cohorts
    Brain ·Diagnostic Accuracy Study · April 22, 2026

    Eleven-Protein Plasma Panel Identifies Parkinson’s Disease Across Four Cohorts

    A machine learning model using 11 plasma proteins differentiated Parkinson’s from other neurological conditions with high accuracy.

  7. Hypothalamic Astrocytes Drive Dexmedetomidine Sedation via Calcium Signaling in Mice
    British Journal of Anaesthesia ·Animal Study · April 22, 2026

    Hypothalamic Astrocytes Drive Dexmedetomidine Sedation via Calcium Signaling in Mice

    Researchers identified a specific astrocytic pathway that modulates inhibitory GABA currents to facilitate pharmacological sedation.

  8. Activity Modality and Social Context Alter Pediatric Brain Structure
    Translational Psychiatry ·Cohort Study · April 22, 2026

    Activity Modality and Social Context Alter Pediatric Brain Structure

    A longitudinal study of 8,230 children links physical-social engagement to increased frontoparietal volume and lower psychiatric risk.

  9. Prenatal Sterol-Inhibiting Drugs Linked to Increased Autism Risk
    Molecular Psychiatry ·Cohort Study · April 22, 2026

    Prenatal Sterol-Inhibiting Drugs Linked to Increased Autism Risk

    A study of 6 million births found that common medications disrupting cholesterol synthesis increase autism risk in a dose-dependent manner.

  10. Dexmedetomidine Linked to Lower Mortality in ICU Patients With Delirium
    Journal of Intensive Care Medicine ·Cohort Study · April 22, 2026

    Dexmedetomidine Linked to Lower Mortality in ICU Patients With Delirium

    A retrospective analysis of two large databases shows reduced in-hospital and one-year mortality for delirious patients given the sedative.

  11. Subanesthetic Ketamine Improves Depressive Symptoms in Critically Ill Adults
    Journal of Intensive Care Medicine ·Cohort Study · April 22, 2026

    Subanesthetic Ketamine Improves Depressive Symptoms in Critically Ill Adults

    A retrospective study finds three days of low-dose ketamine reduces sadness in ICU patients with minimal hemodynamic impact.

  12. Sonorheometry Reliably Excludes Coagulopathy During Initial Trauma Resuscitation
    Scandinavian Journal of Trauma Resuscitation and Emergency Medicine ·Cohort Study · April 22, 2026

    Sonorheometry Reliably Excludes Coagulopathy During Initial Trauma Resuscitation

    A multicenter study validates bedside sonorheometry for rapid exclusion of trauma-induced coagulopathy with high negative predictive values.

  13. Negative PCR Panel and Sputum Culture Rule Out Pneumonia Mimics
    Journal of Intensive Care Medicine ·Diagnostic Accuracy Study · April 22, 2026

    Negative PCR Panel and Sputum Culture Rule Out Pneumonia Mimics

    A prospective ICU study shows 91 percent specificity for non-infectious mimics when molecular and culture results are both negative.

  14. Experts Define 50 Hospital-Based Criteria for Pediatric Critical Illness
    Pediatric Emergency Care ·Consensus Statement · April 22, 2026

    Experts Define 50 Hospital-Based Criteria for Pediatric Critical Illness

    A consensus-based framework provides standardized metrics to identify high-risk children and benchmark emergency medical services performance.

  15. Early Tracheostomy Increases Discharge to Home Rates in Selected ICU Patients
    Journal of Intensive Care Medicine ·Cohort Study · April 22, 2026

    Early Tracheostomy Increases Discharge to Home Rates in Selected ICU Patients

    A retrospective study of 205 patients shows that tracheostomy within 10 days reduces ventilation duration and improves discharge outcomes.

  16. Population-Based Models Increase Lung Cancer Screening Coverage
    European Radiology ·Systematic Review · April 22, 2026

    Population-Based Models Increase Lung Cancer Screening Coverage

    A scoping review of 56 programs finds population-based strategies reach up to 40% of at-risk adults, exceeding referral-based models.

  17. Bedside AI Analyzes EEG to Predict Cardiac Arrest Outcomes
    Resuscitation ·Prognostic Study · April 22, 2026

    Bedside AI Analyzes EEG to Predict Cardiac Arrest Outcomes

    A deep learning tool integrated into ICU monitors provides continuous prognostic trajectories for comatose patients within 36 hours.

  18. Pediatric HIV Linked to Reduced Auditory Cortex Activation Despite Normal Hearing
    Frontiers in Neuroscience ·Cohort Study · April 22, 2026

    Pediatric HIV Linked to Reduced Auditory Cortex Activation Despite Normal Hearing

    Functional MRI reveals central auditory processing deficits in children with HIV that may bypass standard clinical audiometry.

  19. Maternal Third-Trimester Vaccination Lowers Infant COVID-19 Hospitalization Risk
    PEDIATRICS ·Cohort Study · April 22, 2026

    Maternal Third-Trimester Vaccination Lowers Infant COVID-19 Hospitalization Risk

    Prepregnancy vaccination fails to protect infants, while third-trimester mRNA doses reduce hospitalization risk by over 60 percent.

  20. Fontan Registry Reveals High Comorbidity and Anxiety Rates in Adults
    Circulation ·Registry Study · April 22, 2026

    Fontan Registry Reveals High Comorbidity and Anxiety Rates in Adults

    A multi-institutional study of 1,121 patients shows that nearly half of adults with Fontan circulation require treatment for anxiety.

  21. Liver Resection and Chemotherapy Extend Survival in Incidental Gallbladder Cancer
    British journal of surgery ·Cohort Study · April 22, 2026

    Liver Resection and Chemotherapy Extend Survival in Incidental Gallbladder Cancer

    A UK multicenter study shows radical resection and adjuvant therapy significantly improve outcomes for cancer found after cholecystectomy.

  22. Baseline Connectivity Predicts Anxiety Improvement in Prefrontal TMS Trial
    Neuropsychopharmacology ·Randomized Controlled Trial · April 22, 2026

    Baseline Connectivity Predicts Anxiety Improvement in Prefrontal TMS Trial

    Pre-treatment neural architecture, rather than post-stimulation connectivity changes, correlates with clinical recovery in patients.

  23. Acute Neurological Symptoms Predict Mortality in Heat-Related Illness
    Emergency Medicine Journal ·Cohort Study · April 22, 2026

    Acute Neurological Symptoms Predict Mortality in Heat-Related Illness

    A Japanese study of 2,961 patients finds that impaired consciousness and seizures increase the risk of in-hospital death sevenfold.

  24. Seven-Day Low-Plastic Intervention Lowers Urinary Phthalates and Bisphenol A
    Nature Medicine ·Randomized Controlled Trial · April 22, 2026

    Seven-Day Low-Plastic Intervention Lowers Urinary Phthalates and Bisphenol A

    A randomized trial shows that minimizing plastic contact in food and personal care reduces endocrine disruptors linked to metabolic risk.