{
  "id": 1913954,
  "title": "STAT+: Moderna and Merck say mRNA cancer vaccine succeeded in late-stage melanoma trial",
  "url": "https://urgent.news/2026/08/19/stat-moderna-and-merck-say-mrna-cancer-vaccine-succeeded-in-late",
  "topic": "health",
  "section": "Health & Medicine",
  "published": "2026-08-19T10:45:00.000Z",
  "source": {
    "name": "STAT News",
    "slug": "stat-news",
    "url": "https://www.statnews.com/2026/08/19/mrna-cancer-vaccine-trial-melanoma-merck-moderna/"
  },
  "original_language": "en",
  "account": "Moderna and Merck report that a personalized mRNA cancer vaccine, administered alongside their existing treatment, reduced the recurrence of melanoma and its metastasis in a late-stage clinical trial, according to a statement released on Wednesday. This breakthrough in oncology, potentially offering a more effective and prolonged treatment, marks the first randomized Phase 3 study to conclusively demonstrate the efficacy of \"neoantigen\" vaccines. The trial utilized the personalized vaccine, intismeran, in conjunction with Merck's Keytruda, in adjuvant melanoma treatment, where the disease had already been surgically removed. Further data from the drugmakers was not immediately disclosed, but if validated, these findings could extend hope and longevity for melanoma patients, showcasing the potential of mRNA technology in both vaccine and therapeutic development.",
  "summary": "A personalized mRNA cancer vaccine succeeded in a late-stage melanoma study, results that could herald a new, powerful approach in oncology.",
  "key_points": [
    "Personalized mRNA vaccine reduced melanoma recurrence in late-stage trial",
    "Administered with Merck's Keytruda in adjuvant melanoma treatment",
    "First randomized Phase 3 study to prove neoantigen vaccine efficacy"
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 4,
    "also_reported_by": [
      {
        "outlet": "Endpoints News",
        "title": "Merck, Moderna declare Phase 3 success for personalized mRNA cancer vaccine",
        "url": "https://urgent.news/2026/08/19/merck-moderna-declare-phase-3-success-for-personalized-mrna-cancer",
        "published": "2026-08-19T10:45:01.000Z"
      },
      {
        "outlet": "CNBC World",
        "title": "Personalized cancer vaccine from Moderna, Merck shows promise in first late-stage melanoma trial",
        "url": "https://urgent.news/2026/08/19/personalized-cancer-vaccine-from-moderna-merck-shows-promise-in-first",
        "published": "2026-08-19T10:49:31.000Z"
      },
      {
        "outlet": "Quartz",
        "title": "Moderna and Merck's personalized skin cancer vaccine cleared its first large-scale trial",
        "url": "https://urgent.news/2026/08/19/moderna-and-mercks-personalized-skin-cancer-vaccine-cleared-its-first",
        "published": "2026-08-19T11:40:44.000Z"
      }
    ]
  },
  "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."
}