The Briefing

Continuous newsroom coverage of clinically relevant evidence — newest first.

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24 stories
  1. Amoxicillin Equals Amoxicillin-Clavulanate for Acute Sinusitis
    JAMA ·Randomized Controlled Trial · April 21, 2026

    Amoxicillin Equals Amoxicillin-Clavulanate for Acute Sinusitis

    A nationwide cohort study shows standard amoxicillin is as effective as amoxicillin-clavulanate but avoids higher risks of C. difficile.

  2. Routine ICU Delirium Screening Misses 72% of Cases in Spanish Speakers
    Critical Care Medicine ·Cohort Study · April 21, 2026

    Routine ICU Delirium Screening Misses 72% of Cases in Spanish Speakers

    Caregiver-administered assessments can recover nearly half of missed delirium diagnoses when patient-provider language barriers exist.

  3. Serious Games Reduce Geriatric Trauma Undertriage in Nontrauma Centers
    JAMA ·Randomized Controlled Trial · April 21, 2026

    Serious Games Reduce Geriatric Trauma Undertriage in Nontrauma Centers

    A randomized trial of 800 emergency physicians shows digital simulation training improves adherence to triage guidelines for older adults.

  4. Mobile ECMO Truck Matches In-Hospital Survival in Cardiac Arrest
    Resuscitation ·Case Series · April 21, 2026

    Mobile ECMO Truck Matches In-Hospital Survival in Cardiac Arrest

    A mobile ECMO truck delivering scene-based resuscitation achieved a 25% neurologically favorable survival rate, matching in-hospital care.

  5. Alteplase Before Thrombectomy Loses Value After 170 Minutes
    Neurology ·Cost-Effectiveness Analysis · April 21, 2026

    Alteplase Before Thrombectomy Loses Value After 170 Minutes

    A 16-country analysis shows bridging therapy for large vessel occlusion is only cost-effective when initiated early after stroke onset.

  6. Ambulance Lights and Sirens Save Only Three Minutes During Patient Transport
    Prehospital Emergency Care ·Cohort Study · April 21, 2026

    Ambulance Lights and Sirens Save Only Three Minutes During Patient Transport

    A study of 25,902 incidents suggests the modest time savings of emergent transport may not justify the tripled risk of collisions.

  7. Risk-Adapted Therapy Improves Survival in Pediatric Acute Myeloid Leukemia
    Journal of Hematology & Oncology ·Non-Randomized Controlled Trial · April 21, 2026

    Risk-Adapted Therapy Improves Survival in Pediatric Acute Myeloid Leukemia

    Refined stratification using measurable residual disease and genetics increased 3-year overall survival to 83.9% in a large cohort.

  8. Endovascular Therapy Eases Post-Thrombotic Syndrome but Increases Bleeding
    New England Journal of Medicine ·Randomized Controlled Trial · April 21, 2026

    Endovascular Therapy Eases Post-Thrombotic Syndrome but Increases Bleeding

    Iliac-vein stenting with enhanced antithrombotics improves symptoms and quality of life at six months, despite a higher bleeding risk.

  9. Routine Prednisolone Does Not Prevent Coronary Lesions in Kawasaki Disease
    New England Journal of Medicine ·Randomized Controlled Trial · April 21, 2026

    Routine Prednisolone Does Not Prevent Coronary Lesions in Kawasaki Disease

    A large randomized trial shows that adding steroids to standard therapy does not protect the coronary arteries of unselected children.

  10. Zongertinib Drives High Response in First-Line HER2-Mutant Lung Cancer
    New England Journal of Medicine ·Randomized Controlled Trial · April 21, 2026

    Zongertinib Drives High Response in First-Line HER2-Mutant Lung Cancer

    The selective HER2 inhibitor achieved a 76% objective response rate and durable progression-free survival in treatment-naive patients.

  11. Plasma p-tau217 Assays Show High Specificity for Alzheimer’s Diagnosis
    Translational Psychiatry ·Diagnostic Accuracy Study · April 21, 2026

    Plasma p-tau217 Assays Show High Specificity for Alzheimer’s Diagnosis

    Three diverse assay technologies demonstrate 100% specificity in differentiating Alzheimer’s from vascular and frontotemporal dementias.

  12. Obesity and Prediabetes Rates Rise Among Northern Great Plains Children
    PEDIATRICS ·Cross-Sectional Study · April 21, 2026

    Obesity and Prediabetes Rates Rise Among Northern Great Plains Children

    A multi-year screening of American Indian students shows obesity rates exceeding 40% and a doubling of prediabetes prevalence.

  13. Macrophage PRMT9 Limits Myocardial Infarction Damage in Mice
    Circulation ·Animal Study · April 21, 2026

    Macrophage PRMT9 Limits Myocardial Infarction Damage in Mice

    Researchers found that PRMT9 triggers STAT1 degradation to suppress inflammation and reduce infarct size in experimental models.

  14. AI Ensemble Matches Expert Consensus for Ultrasound Pneumothorax Detection
    Scandinavian Journal of Trauma Resuscitation and Emergency Medicine ·Diagnostic Accuracy Study · April 21, 2026

    AI Ensemble Matches Expert Consensus for Ultrasound Pneumothorax Detection

    An explainable AI model achieved 100% sensitivity and specificity, reducing false positives compared to clinicians in M-mode imaging.

  15. Coping and Self-Efficacy Mediate Mood Improvements in Brain Tumor Caregivers
    Neuro-Oncology ·Randomized Controlled Trial · April 21, 2026

    Coping and Self-Efficacy Mediate Mood Improvements in Brain Tumor Caregivers

    A secondary analysis of a randomized trial shows that a telehealth intervention reduces anxiety and depression by targeting specific psychological mec

  16. ILCOR Standardizes Reporting for Resuscitation Education Research
    Resuscitation ·Consensus Statement · April 21, 2026

    ILCOR Standardizes Reporting for Resuscitation Education Research

    A new Utstein style consensus report defines 111 specific metrics to unify how training efficacy is measured across clinical cohorts.

  17. Fecal Transplant Fails to Decolonize Resistant Bacteria in GI Disease
    JAMA Internal Medicine ·Randomized Controlled Trial · April 21, 2026

    Fecal Transplant Fails to Decolonize Resistant Bacteria in GI Disease

    A randomized trial shows single-dose fecal microbiota transplant does not reduce multidrug-resistant organisms or resistance genes.

  18. GNAO1-Related Disorders Follow Non-Degenerative Course Despite Progressive Movement Symptoms
    Annals of Neurology ·Cohort Study · April 21, 2026

    GNAO1-Related Disorders Follow Non-Degenerative Course Despite Progressive Movement Symptoms

    A longitudinal study of 66 patients shows cognitive stability while severe cases face functional burden from worsening movement disorders.

  19. TTVR Eliminates Severe Tricuspid Regurgitation in Real-World Registry
    JAMA ·Cohort Study · April 21, 2026

    TTVR Eliminates Severe Tricuspid Regurgitation in Real-World Registry

    A US registry study of 1,034 patients shows 98% procedural success and significant functional gains with low 30-day mortality.

  20. MTOR Hyperactivation Suppresses Autophagy and Drives Neuroinflammation in Schizophrenia
    Translational Psychiatry ·Cohort Study · April 21, 2026

    MTOR Hyperactivation Suppresses Autophagy and Drives Neuroinflammation in Schizophrenia

    Restoring cellular waste clearance via mTOR inhibition reduces pro-inflammatory cytokines and glial activation in schizophrenia models.

  21. Chronotherapeutic Protocol Advances Circadian Timing and Extends Adolescent Sleep
    JAMA Pediatrics ·Randomized Controlled Trial · April 21, 2026

    Chronotherapeutic Protocol Advances Circadian Timing and Extends Adolescent Sleep

    A two-week intervention using light-modulating glasses and scheduling increased weeknight sleep by 47 minutes in high school students.

  22. Cajanine Reduces Anxiety and Fear Extinction Deficits in Female Mice
    Brain Research ·Animal Study · April 21, 2026

    Cajanine Reduces Anxiety and Fear Extinction Deficits in Female Mice

    The compound modulates the ERβ/NF-κB pathway to alleviate neuroinflammation and behavioral symptoms in a sex-specific manner.

  23. Early EEG Findings Guide Shorter Sedation After Cardiac Arrest
    Resuscitation ·Non-Randomized Controlled Trial · April 21, 2026

    Early EEG Findings Guide Shorter Sedation After Cardiac Arrest

    Patients with favorable EEG patterns within 12 hours of arrest saw mechanical ventilation and ICU stays reduced by over 50 percent.

  24. Mechanism-Based Care Relieves Peripheral Edema in Advanced Cancer
    Journal of Palliative Medicine ·Systematic Review · April 21, 2026

    Mechanism-Based Care Relieves Peripheral Edema in Advanced Cancer

    A scoping review of 2,223 patients suggests targeted interventions like stenting and fluid management improve short-term symptom burden.