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  "path": "/news/2026-04-car-therapy-patients-clearer.html",
  "publishedAt": "2026-04-29T19:00:05.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Chimeric antigen receptor (CAR) T-cell therapy is one of oncology's most powerful ideas: Harvest a cancer patient's own immune cells, genetically engineer them to recognize tumor cells, multiply them in a laboratory and reinject them as a living drug. For some patients, the treatment produces extraordinary, durable remissions. For many others, however, it produces nothing, but new research sheds light on the reason.",
  "title": "Why CAR T therapy works for some patients but fails for others may be getting clearer"
}