JAMA – The Latest Medical Research, Reviews, and Guidelines

Research

Association of Convalescent Plasma Treatment With Clinical Outcomes in Patients With COVID-19
Perrine Janiaud, PhD; et al.

Original Investigation
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Perrine Janiaud, PhD; et al.

Editorial
Effect of Subcutaneous Semaglutide on Body Weight in Adults With Obesity
Thomas A. Wadden, PhD; et al.

Original Investigation
online first free access
Thomas A. Wadden, PhD; et al.
Characteristics and Outcomes of US Children and Adolescents With MIS-C Compared With Severe Acute COVID-19
Leora R. Feldstein, PhD; et al.

Original Investigation
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Leora R. Feldstein, PhD; et al.

Editorial
Effect of Vitamin C, Thiamine, and Hydrocortisone on Ventilator- and Vasopressor-Free Days in Patients With Sepsis
Jonathan E. Sevransky, MD, MHS; et al.

Original Investigation
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Jonathan E. Sevransky, MD, MHS; et al.

Editorial Editor's Note
Association of Rare CYP39A1 Variants With Exfoliation Syndrome Involving the Anterior Chamber of the Eye
The Genetics of Exfoliation Syndrome Partnership

Original Investigation
has active quiz
The Genetics of Exfoliation Syndrome Partnership

Opinion

Emerging Lessons From COVID-19 for the Clinical Research Enterprise of the US
Derek C. Angus, MD; et al.

Editorial
online first free access
Derek C. Angus, MD; et al.
Federal Buprenorphine Guidelines and Opioid Use Disorder Treatment Reform
Melissa B. Weimer, DO, MCR; et al.

Viewpoint
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Melissa B. Weimer, DO, MCR; et al.
Relaxing Buprenorphine Prescribing Restrictions and Expanding Access to Medical Treatment of Opioid Use Disorder
Yngvild Olsen, MD, MPH; et al.

Viewpoint
online first free access has multimedia
Yngvild Olsen, MD, MPH; et al.
Medications in Single-Dose Vials and Implications of Discarded Injectable Drugs—A National Academies Report
Edward H. Shortliffe, MD, PhD; et al.

Viewpoint
online first free access
Edward H. Shortliffe, MD, PhD; et al.
Surprise Billing—A Flashpoint for Major Policy Issues in Health Care
Carrie Colla, PhD

Viewpoint
free access
Carrie Colla, PhD

Editorial

Clinical Review & Education

Diagnosis and Treatment of Multiple Sclerosis
Marisa P. McGinley, DO; et al.

Review
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Marisa P. McGinley, DO; et al.
Lower Extremity Purpuric Rash and Fever After an Ankle Fracture
Kevin D. He, MD; et al.

JAMA Clinical Challenge
has active quiz
Kevin D. He, MD; et al.
Immortal Time Bias in Observational Studies
Kabir Yadav, MDCM, MS, MSHS; et al.

JAMA Guide to Statistics and Methods

Kabir Yadav, MDCM, MS, MSHS; et al.
Diagnosis and Treatment of Metastatic Colorectal Cancer
Leah H. Biller, MD; et al.

Review
has active quiz
Leah H. Biller, MD; et al.
Diagnosis and Treatment of Hip and Knee Osteoarthritis
Jeffrey N. Katz, MD, MSc; et al.

Review
has active quiz has multimedia
Jeffrey N. Katz, MD, MSc; et al.