The Briefing

Continuous newsroom coverage of clinically relevant evidence — newest first.

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24 stories
  1. Intra-Arterial Alteplase Improves Recovery After Successful Thrombectomy
    JAMA ·Randomized Controlled Trial · May 13, 2026

    Intra-Arterial Alteplase Improves Recovery After Successful Thrombectomy

    Adjunctive thrombolysis increased 90-day functional independence by 15% but was associated with a nearly 6% increase in mortality.

  2. Pediatric Fibula Harvest Carries High Risk of Ankle Valgus and Nerve Palsy
    Plastic & Reconstructive Surgery ·Cohort Study · May 13, 2026

    Pediatric Fibula Harvest Carries High Risk of Ankle Valgus and Nerve Palsy

    A 27-year review identifies the Age-Residual Fibula Index as a key predictor for donor-site morbidity in skeletally immature patients.

  3. Deucravacitinib Modulates Over 2,500 Genes in Systemic Lupus Erythematosus
    Annals of the Rheumatic Diseases ·Randomized Controlled Trial · May 13, 2026

    Deucravacitinib Modulates Over 2,500 Genes in Systemic Lupus Erythematosus

    Transcriptomic analysis shows TYK2 inhibition reverses myeloid dysregulation and increases regulatory T-cell populations in patients with lupus.

  4. Accelerated Deep TMS Protocols Show High Remission Rates in Depression
    Molecular Psychiatry ·Randomized Controlled Trial · May 13, 2026

    Accelerated Deep TMS Protocols Show High Remission Rates in Depression

    A randomized trial finds that 10-day accelerated deep TMS protocols achieve 42% to 50% remission rates, exceeding pharmacotherapy alone.

  5. Breast GPA Predicts Intracranial Progression and Survival in Breast Cancer
    Neuro-Oncology ·Cohort Study · May 13, 2026

    Breast GPA Predicts Intracranial Progression and Survival in Breast Cancer

    A large cohort study links local brain control to overall survival, identifying tumor subtype and performance status as key predictors.

  6. Testosterone Therapy Improves Sexual Function After Radical Prostatectomy
    JAMA Internal Medicine ·Randomized Controlled Trial · May 13, 2026

    Testosterone Therapy Improves Sexual Function After Radical Prostatectomy

    A phase 2 trial shows 12 weeks of testosterone cypionate enhances libido and body composition without triggering biochemical recurrence.

  7. Children Witness Nearly Ten Percent of US Violent Deaths and Suicides
    JAMA Pediatrics ·Cohort Study · May 13, 2026

    Children Witness Nearly Ten Percent of US Violent Deaths and Suicides

    A CDC surveillance analysis reveals that most child-witnessed fatal events occur in homes and involve firearms or domestic conflict.

  8. Genetic Risk and Social Deprivation Drive Regional Drug Use Clusters
    Molecular Psychiatry ·Cohort Study · May 13, 2026

    Genetic Risk and Social Deprivation Drive Regional Drug Use Clusters

    A Swedish study of 5,983 districts finds that family genetic risk and community deprivation explain most geographic variation in addiction.

  9. Medicaid Expansion Linked to Lower Mortality in Young Adult Dialysis Patients
    JAMA Pediatrics ·Cohort Study · May 13, 2026

    Medicaid Expansion Linked to Lower Mortality in Young Adult Dialysis Patients

    A cohort study shows a 1.8 percentage point drop in one-year mortality for young adults starting dialysis after Medicaid expansion.

  10. Deep Learning Model Predicts Ki-67 Status and Metastatic Risk via Ultrasound
    European Radiology ·Diagnostic Accuracy Study · May 13, 2026

    Deep Learning Model Predicts Ki-67 Status and Metastatic Risk via Ultrasound

    A multicenter study shows a noninvasive model identifies high-risk breast cancer features and predicts early recurrence with high accuracy.

  11. Reduced Visit Pressure Increases Diagnosis Rates in Primary Care
    JAMA Internal Medicine ·Cohort Study · May 13, 2026

    Reduced Visit Pressure Increases Diagnosis Rates in Primary Care

    A study of 191,269 visits shows that relieving schedule constraints allows physicians to address more new and chronic clinical issues.

  12. Galectin-3 Inhibition Prevents Excitatory Synapse Loss in Murine Neuroinflammation Models
    Brain Research ·Animal Study · May 13, 2026

    Galectin-3 Inhibition Prevents Excitatory Synapse Loss in Murine Neuroinflammation Models

    Targeting microglial Galectin-3 preserves hippocampal gamma power and cognitive function by stopping the selective engulfment of synapses.

  13. ACL Reconstruction Triples 20-Year Risk of Total Knee Arthroplasty
    British Journal of Sports Medicine ·Cohort Study · May 13, 2026

    ACL Reconstruction Triples 20-Year Risk of Total Knee Arthroplasty

    A study of 135,881 patients shows a 2.44% absolute risk of knee replacement two decades after surgery, rising with meniscal involvement.

  14. Redlining and Modern Loan Denials Drive Chicago Firearm Homicides
    Annals of Surgery ·Cohort Study · May 13, 2026

    Redlining and Modern Loan Denials Drive Chicago Firearm Homicides

    Historical housing maps and current economic discrimination act as independent, measurable factors in urban firearm violence disparities.

  15. Adipose Blocks Stored at -80 °C Maintain Multipotent Cell Viability
    Plastic & Reconstructive Surgery ·In Vitro Study · May 13, 2026

    Adipose Blocks Stored at -80 °C Maintain Multipotent Cell Viability

    A protocol using commercial freezers and rapid thawing preserves 88% of stromal vascular fraction cells for up to four months.

  16. CSF Tau Biomarkers Associate With Cognitive Impairment in ALS
    Annals of Neurology ·Cohort Study · May 13, 2026

    CSF Tau Biomarkers Associate With Cognitive Impairment in ALS

    Elevated cerebrospinal fluid tau levels correlate with cognitive deficits in ALS, though postmortem TDP-43 burden remains a stronger driver.

  17. Dihydroartemisinin-Piperaquine Reduces Early Plasmodium vivax Recurrence Compared With Chloroquine
    Lancet. Infectious diseases ·Randomized Controlled Trial · May 13, 2026

    Dihydroartemisinin-Piperaquine Reduces Early Plasmodium vivax Recurrence Compared With Chloroquine

    A randomized trial in Brazil shows dihydroartemisinin-piperaquine effectively prevents early malaria recurrence when primaquine is delayed.

  18. Validated 33-Item Instrument Quantifies Patient Misconceptions Regarding Hospice Care
    Journal of Pain and Symptom Management ·Cross-Sectional Study · May 13, 2026

    Validated 33-Item Instrument Quantifies Patient Misconceptions Regarding Hospice Care

    The Hospice Perceptions Instrument identifies specific barriers to enrollment, including myths about eligibility and service quality.

  19. Early Cystography After Bladder Repair Reduces Catheter Time and Infections
    Journal of Trauma: Injury, Infection, and Critical Care ·Cohort Study · May 13, 2026

    Early Cystography After Bladder Repair Reduces Catheter Time and Infections

    Imaging within seven days of traumatic bladder repair safely shortens catheterization and lowers infection rates without missing leaks.

  20. Dementia With Lewy Bodies Incidence Rises Sharply After Age 65
    JAMA Neurology ·Meta-Analysis · May 13, 2026

    Dementia With Lewy Bodies Incidence Rises Sharply After Age 65

    A meta-analysis of population-based studies reveals significant age and sex disparities in dementia with Lewy bodies epidemiology.

  21. Single Sigmoidoscopy Reduces Male Colorectal Cancer Death at 23 Years
    Annals of Internal Medicine ·Randomized Controlled Trial · May 13, 2026

    Single Sigmoidoscopy Reduces Male Colorectal Cancer Death at 23 Years

    A Norwegian trial shows a single screening sigmoidoscopy provides long-term protection for men, but mortality benefits are absent in women.

  22. Beti-cel Gene Therapy Sustains Transfusion Independence for Up to Ten Years
    Blood ·Cohort Study · May 13, 2026

    Beti-cel Gene Therapy Sustains Transfusion Independence for Up to Ten Years

    Long-term data show 90.2% of phase 3 patients achieved transfusion independence with stable hemoglobin and improved iron homeostasis.

  23. Palliative Care Reduces Hospital Death Risk in Multiple Sclerosis
    Neurology ·Cohort Study · May 13, 2026

    Palliative Care Reduces Hospital Death Risk in Multiple Sclerosis

    A large cohort study finds neurology oversight drops sharply before death, while rural patients face higher hospital mortality rates.

  24. Tenecteplase Before Thrombectomy Does Not Improve Late-Window Stroke Outcomes
    JAMA ·Randomized Controlled Trial · May 13, 2026

    Tenecteplase Before Thrombectomy Does Not Improve Late-Window Stroke Outcomes

    A phase 3 trial in patients with proximal MCA occlusions found no functional benefit to adding tenecteplase between 4.5 and 24 hours.