Adjuvant Chemoradiotherapy or Chemotherapy After D2 Gastrectomy in Gastric Cancer
JAMA Network Open
Original Investigation
Publication Date: June 15, 2026
Health Status Changes and Long-Term Clinical Outcomes in Patients With Atrial Fibrillation
JAMA Network Open
Original Investigation
Publication Date: June 15, 2026
Emerging Patterns in Dietary Supplement Use Among US Adults, 1999-2023
JAMA Network Open
Original Investigation
Publication Date: June 15, 2026
Oncology Organization and Oncologist Networks Under Medicare Advantage Plans
JAMA Network Open
Original Investigation
Publication Date: June 15, 2026
A 10-Year Cost-Effectiveness Analysis of Metabolic and Bariatric Surgery in Adolescents
JAMA Network Open
Original Investigation
Publication Date: June 15, 2026
Futile Radiotherapy for Patients With Cancer Near the End of Life
JAMA Network Open
Research Letter
Publication Date: June 15, 2026
Parental Decline of Newborn Vitamin K and Hepatitis B Vaccine Administration by Newborn Sex
JAMA Network Open
Research Letter
Publication Date: June 15, 2026
COVID-19 Vaccine Effectiveness Among Older Adults
JAMA Network Open
Research Letter
Publication Date: June 15, 2026
Unifying Terminology for Ischemic Core Size in Acute Stroke
JAMA Neurology
Viewpoint
Publication Date: June 15, 2026
Clinical Conversations as a Window Into Cognitive Impairment
JAMA Neurology
Editorial
Publication Date: June 15, 2026
