{
  "id": 9304068,
  "title": "Drug delivery system slowly releases pain-relieving nerve block over weeks",
  "url": "https://urgent.news/2026/09/23/drug-delivery-system-slowly-releases-pain-relieving-nerve-block-over",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-23T09:00:07.000Z",
  "source": {
    "name": "Medical Xpress",
    "slug": "medical-xpress",
    "url": "https://medicalxpress.com/news/2026-09-drug-delivery-slowly-pain-relieving.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "Most local anesthetics used in medicine last only eight to 12 hours, or a day at most. Now, Boston Children's Hospital researchers have formulated a more effective slow-release injectable drug delivery system that achieved pain-numbing anesthetic effects lasting two to three weeks in rats, compared with a commercial formulation lasting about four to eight hours.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}