Episodios

  • NEJM January 2026 Fremanezumab in Children and Adolescents with Episodic Migraine
    Jan 15 2026

    This study investigated whether fremanezumab, a treatment already used by adults, could effectively reduce the frequency of episodic migraines in children and adolescents. By comparing monthly injections of the drug against a placebo, researchers found that young patients experienced a significant decrease in monthly migraine days and a reduction in the severity of their headaches. Notably, nearly half of the participants receiving the medication saw their migraine frequency cut by at least 50%, suggesting a strong therapeutic benefit. While the drug was generally well-tolerated, with only minor skin redness at the injection site, the authors conclude that continued observation is necessary to confirm the long-term safety and success of this treatment for younger populations.

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    12 m
  • NEJM January 2026 ORIGINAL ARTICLE Share on Subretinal Photovoltaic Implant to Restore Vision in Geographic Atrophy Due to AMD
    Jan 15 2026

    This research study evaluates a groundbreaking subretinal photovoltaic implant designed to combat vision loss caused by geographic atrophy, a severe form of macular degeneration. By utilizing specialized glasses that beam near-infrared light onto a chip behind the retina, the system successfully restored central sight in a high majority of clinical trial participants. Over the course of a year, most subjects experienced a clinically meaningful improvement in their ability to see, while maintaining their existing peripheral vision. Ultimately, the text demonstrates that this innovative neural prosthesis offers a promising solution for patients who previously had no medical options for recovering their lost visual clarity.

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    12 m
  • NEJM January 2026;Medical Management and Revascularization for Asymptomatic Carotid Stenosis
    Jan 15 2026

    This research study evaluates the most effective way to treat patients with severely blocked carotid arteries who have not yet experienced symptoms like a stroke. Researchers compared the results of intensive medical management alone against combining that medication with surgical interventions like stenting or endarterectomy. The findings revealed that while surgical stenting significantly lowered the four-year risk of stroke or death compared to drugs alone, the benefits of traditional endarterectomy were not statistically significant. Ultimately, the trial suggests that integrating stenting with modern medicine offers a superior preventative strategy for maintaining long-term neurological health in high-risk patients.

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    13 m
  • Lancet : January 2026 Mortality and long-term exposure to source-specific PM2·5: evidence from a national cohort study in China
    Jan 11 2026

    This research investigates how long-term exposure to fine particulate matter from different origins impacts death rates across mainland China. By tracking a diverse group of nearly 97,000 adults over a decade, the study demonstrates that air pollution is not a monolith, as toxins from industrial, residential, and transportation sectors show the strongest links to non-accidental and cardiopulmonary deaths. Notably, the findings highlight that while almost all human-made particles are dangerous, agricultural and industrial emissions are particularly associated with an increased risk of lung cancer. Ultimately, the authors argue that understanding these source-specific health risks is essential for governments to design more precise and effective clean air policies

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    13 m
  • Lancet : January 2026:SARS-CoV-2 infectious shedding and rebound among adults with and without oral antiviral use: two case-ascertained prospective household studies
    Jan 11 2026

    This research examined how oral antiviral medications influence the duration of contagiousness and the frequency of viral rebound in patients with COVID-19. By monitoring nasal swabs from high-risk adults, the study found that while treatment initially leads to an earlier cessation of infectious shedding, it also significantly increases the likelihood of a temporary resurgence of the virus. Ultimately, the findings suggest that patients who take antivirals are more likely to experience culture rebound compared to those who do not, though the overall time spent being infectious remains similar between the two groups. This data provides a more nuanced understanding of viral dynamics, helping clinicians and patients better navigate the trade-offs involved in using these medications to manage severe illness.

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    15 m
  • Lancet : January 2026, REGENECYTE cord blood cell therapy in post-COVID syndrome: a phase IIa randomized, placebo-controlled trial
    Jan 11 2026

    This clinical study investigates a pioneering medical treatment called REGENECYTE, which utilizes umbilical cord blood cells to combat the persistent exhaustion associated with long COVID. By administering multiple intravenous infusions to a small group of patients, researchers discovered that this allogeneic progenitor cell therapy was not only safe but also led to a significant and lasting reduction in physical fatigue. Participants receiving the treatment reported a meaningful boost in their overall quality of life and mental well-being compared to those who received a placebo. Ultimately, these findings suggest that regenerative cell-based therapiesoffer a promising new strategy for managing the most debilitating symptoms of post-viral syndromes.

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    12 m
  • NEJM January 8, 2026 RSV Prefusion F Vaccine for Prevention of Hospitalization in Older Adults
    Jan 9 2026

    This research study evaluates the impact of a specific bivalent vaccine on reducing severe illness from respiratory syncytial virus (RSV) among individuals aged 60 and older. By comparing a large group of vaccinated seniors against an unvaccinated control group during a winter season, researchers discovered that the immunization offered significant protection against serious complications. The data specifically highlights that the vaccine was highly effective at preventing hospitalizations linked to both general and lower respiratory infections caused by the virus. Ultimately, the findings suggest that this medical intervention is a safe and successfultool for decreasing the burden of RSV-related hospital stays in the elderly population.

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    11 m
  • NEJM January 8, 2026 Fish-Oil Supplementation and Cardiovascular Events in Patients Receiving Hemodialysis
    Jan 9 2026

    This research study evaluates whether daily fish-oil supplements can protect the heart health of patients undergoing long-term hemodialysis, a group that faces a disproportionately high risk of mortality from circulatory issues. By comparing a high dose of omega-3 fatty acids against a placebo over several years, the investigators discovered that those receiving the active treatment experienced significantly fewer major cardiovascular events, including strokes and heart attacks. The data suggests a substantial reduction in the rate of cardiac-related deaths, proving that this simple nutritional intervention is both safe and effective for this vulnerable population. Ultimately, the trial demonstrates that increasing polyunsaturated fatty acid intake serves as a potent preventive therapywhere previous medical options were notably scarce.

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    13 m
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