Targeted therapy combined with local consolidative surgery for oligometastatic stage IVA lung adenocarcinoma with CCDC6-RET fusion: a case report - Summary - MDSpire

Targeted therapy combined with local consolidative surgery for oligometastatic stage IVA lung adenocarcinoma with CCDC6-RET fusion: a case report

  • By

  • Faxian Gao

  • Yijun Fan

  • Qingchun Fan

  • Tingrui Mei

  • Muhammad Quais Khan

  • Aier Zhou

  • Hangyu Liu

  • Jingsi Dong

  • May 20, 2026

  • 0 min

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Objective:

To report a case of successful surgical resection following initial systemic treatment with selpercatinib in a patient with oligometastatic lung adenocarcinoma harboring a rare CCDC6-RET fusion.

Key Findings:
  • The patient achieved a partial response to selpercatinib, leading to successful surgical resection.
  • Postoperative pathology showed 15% residual viable tumor cells, indicating significant tumor shrinkage and raising questions about treatment efficacy.
  • No recurrence was observed during 7 months of follow-up after surgery.
Interpretation:

This case suggests that for selected patients with oligometastatic lung adenocarcinoma and CCDC6-RET fusion, a multimodal approach combining targeted therapy and surgery may be beneficial, emphasizing the need for careful patient selection and multidisciplinary discussion.

Limitations:
  • This is a single case report, limiting generalizability.
  • Further studies are needed to establish broader treatment protocols for similar cases, and long-term follow-up data is lacking.
Conclusion:

The combination of selpercatinib and local consolidative surgery may be a feasible strategy for certain patients with oligometastatic lung adenocarcinoma, though it requires careful patient selection and multidisciplinary discussion.

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