The Briefing

Continuous newsroom coverage of clinically relevant evidence — newest first.

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24 stories
  1. CDR132L Fails to Improve Ventricular Volume After Myocardial Infarction
    Nature Medicine ·Randomized Controlled Trial · May 12, 2026

    CDR132L Fails to Improve Ventricular Volume After Myocardial Infarction

    A phase 2 trial of the microRNA-132 inhibitor CDR132L showed no significant benefit in structural or functional endpoints at six months.

  2. Chronic Cocaine Use Linked to Rare Baló-Like Concentric Leukoencephalopathy
    Neurology ·Case Series · May 12, 2026

    Chronic Cocaine Use Linked to Rare Baló-Like Concentric Leukoencephalopathy

    Two cases in Italy reveal a specific pattern of inflammatory demyelination that responds to steroids but requires cocaine abstinence.

  3. Extra-Anatomic Bypass Reduces Mortality Risk in Octogenarians with Aortoiliac Disease
    Journal of Vascular Surgery ·Cohort Study · May 12, 2026

    Extra-Anatomic Bypass Reduces Mortality Risk in Octogenarians with Aortoiliac Disease

    A VQI analysis of 19,930 patients shows octogenarians face double the 30-day mortality risk of younger cohorts after suprainguinal bypass.

  4. CFTR Modulators Reduce 8-Year Mortality Risk by 7.2% in Cystic Fibrosis
    Chest ·Cohort Study · May 12, 2026

    CFTR Modulators Reduce 8-Year Mortality Risk by 7.2% in Cystic Fibrosis

    A registry-based cohort study of 25,103 individuals shows a 66% reduction in the hazard of death following modulator initiation.

  5. Digitalis Reduces Worsening Heart Failure Events in Large Meta-Analysis
    JAMA ·Meta-Analysis · May 12, 2026

    Digitalis Reduces Worsening Heart Failure Events in Large Meta-Analysis

    A study of 9,013 patients shows digitalis glycosides lower the risk of worsening heart failure events without affecting mortality.

  6. Ruxolitinib Resolves Severe Diarrhea Following BCMA-Targeted CAR T-Cell Therapy
    Blood ·Case Series · May 12, 2026

    Ruxolitinib Resolves Severe Diarrhea Following BCMA-Targeted CAR T-Cell Therapy

    A case series suggests JAK inhibition may mitigate the high mortality associated with immune-mediated enterocolitis in multiple myeloma.

  7. Arterial Netrin-4 Maintains Adult Sympathetic Neurons in Mice
    Neuron ·Animal Study · May 12, 2026

    Arterial Netrin-4 Maintains Adult Sympathetic Neurons in Mice

    Intracranial arteries provide a trophic niche that prevents age-related neuronal attrition through a non-inflammatory death pathway.

  8. Hierarchical Retinal Circuits Enhance Low-Contrast Detection in Mice and Humans
    Neuron ·In Vitro Study · May 12, 2026

    Hierarchical Retinal Circuits Enhance Low-Contrast Detection in Mice and Humans

    A dual-mode synaptic architecture using glutamate clouds and driver cells improves signal sensitivity beyond independent cell channels.

  9. PRECISE MRI Scoring Predicts Histological Progression in Prostate Cancer Surveillance
    European Radiology ·Diagnostic Accuracy Study · May 12, 2026

    PRECISE MRI Scoring Predicts Histological Progression in Prostate Cancer Surveillance

    A multicenter study of 1,667 patients validates the PRECISE system for identifying disease progression and reducing unnecessary biopsies.

  10. Long-Read Sequencing Resolves Atypical Facioscapulohumeral Dystrophy Loci
    Brain ·Case Series · May 12, 2026

    Long-Read Sequencing Resolves Atypical Facioscapulohumeral Dystrophy Loci

    High-resolution sequencing identifies complex structural variants in the 1% to 2% of patients who lack standard genetic markers.

  11. NXT007 Reaches Nonhemophilic Factor VIII Levels in Severe Hemophilia A
    Blood ·Non-Randomized Controlled Trial · May 11, 2026

    NXT007 Reaches Nonhemophilic Factor VIII Levels in Severe Hemophilia A

    A phase 1/2 trial shows monthly subcutaneous NXT007 achieves factor activity above 40 IU/dL and eliminates bleeds at higher doses.

  12. Carotid Doppler Parameters Predict Return of Spontaneous Circulation During CPR
    Scandinavian Journal of Trauma Resuscitation and Emergency Medicine ·Prognostic Study · May 11, 2026

    Carotid Doppler Parameters Predict Return of Spontaneous Circulation During CPR

    Waveform-derived metrics like velocity time integral show high predictive value for resuscitation success in emergency department patients.

  13. Locomotion Selectively Suppresses Hippocampal Pyramidal Cell Bursting in Mice
    Neuron ·Clinical Study · May 11, 2026

    Locomotion Selectively Suppresses Hippocampal Pyramidal Cell Bursting in Mice

    All-optical electrophysiology reveals that balanced excitatory and inhibitory inputs modulate gain in CA1 neurons during physical activity.

  14. Photon-Counting CT Improves Pulmonary Artery Visibility at Lower Radiation Doses
    European Radiology ·Cohort Study · May 11, 2026

    Photon-Counting CT Improves Pulmonary Artery Visibility at Lower Radiation Doses

    Ultra-high-resolution imaging increases diagnostic confidence and vascular attenuation compared to standard energy-integrating detectors.

  15. Selective HDAC6 Inhibition Restores Axonal Transport in Preclinical ALS Models
    Brain ·Preclinical Study · May 11, 2026

    Selective HDAC6 Inhibition Restores Axonal Transport in Preclinical ALS Models

    A brain-penetrant small molecule improves motor function and reduces TDP-43 pathology in animal and human cellular models of neurodegeneration.

  16. Amygdala Damage Does Not Impair Intrinsic Motivation to Empathize
    Brain ·Cohort Study · May 11, 2026

    Amygdala Damage Does Not Impair Intrinsic Motivation to Empathize

    Patients with focal amygdala lesions maintain a normal drive to engage in empathic encounters despite deficits in emotional recognition.

  17. THC Disrupts Rat Fear Memory via Sex-Specific Microglial and Receptor Pathways
    Neuropsychopharmacology ·Animal Study · May 11, 2026

    THC Disrupts Rat Fear Memory via Sex-Specific Microglial and Receptor Pathways

    In male rats, THC requires microglial recruitment and dual receptor signaling, while female effects depend on the estrous cycle and CB1.

  18. Gamma Knife Surgery Provides Durable Control of Vestibular Schwannoma
    Journal of neurosurgery ·Cohort Study · May 11, 2026

    Gamma Knife Surgery Provides Durable Control of Vestibular Schwannoma

    A 30-year study shows true tumor progression is rare after 10 years, supporting reduced imaging for patients stable at the 5-year mark.

  19. Child Maltreatment Linked to Systemic Homeostatic Dysregulation
    Molecular Psychiatry ·Cohort Study · May 11, 2026

    Child Maltreatment Linked to Systemic Homeostatic Dysregulation

    Recent trauma in children may disrupt physiological stability and delay development in males rather than accelerating biological aging.

  20. Propofol Reduces Long-Term Water Contamination Compared to Sevoflurane
    British Journal of Anaesthesia ·Cohort Study · May 11, 2026

    Propofol Reduces Long-Term Water Contamination Compared to Sevoflurane

    A modeling study finds sevoflurane leads to irreversible accumulation of trifluoroacetic acid while propofol residues remain biodegradable.

  21. Lumateperone Leads Efficacy While Aripiprazole Shows Best Acceptability in Depression
    JAMA Psychiatry ·Meta-Analysis · May 11, 2026

    Lumateperone Leads Efficacy While Aripiprazole Shows Best Acceptability in Depression

    A meta-analysis of 10,962 patients quantifies the trade-offs between symptom reduction and treatment adherence for adjunctive antipsychotics.

  22. BRAF V600E Mutation Predicts Early Recurrence in Rathke Cleft Cysts
    Journal of neurosurgery ·Cohort Study · May 11, 2026

    BRAF V600E Mutation Predicts Early Recurrence in Rathke Cleft Cysts

    A retrospective analysis of 383 sellar lesions suggests BRAF-positive cysts behave like papillary craniopharyngiomas and require reclassification.

  23. Sleep Efficiency Improvements Drive Antidepressant Response to CBT for Insomnia
    Neuropsychopharmacology ·Cohort Study · May 11, 2026

    Sleep Efficiency Improvements Drive Antidepressant Response to CBT for Insomnia

    A mechanistic trial shows that objective sleep gains, not changes in brain emotional circuits, correlate with improved mood symptoms.

  24. Nucleus Accumbens Dopamine Regulates Multi-Option Foraging Rates in Mice
    Neuron ·Animal Study · May 11, 2026

    Nucleus Accumbens Dopamine Regulates Multi-Option Foraging Rates in Mice

    A global learning rate in the nucleus accumbens core allows for rapid value integration across six concurrent choices in large arenas.