Endocrine oncology

Personalized treatment of 95 poorly differentiated thyroid cancer/anaplastic thyroid cancer in 2019–2023

Eur Thyroid JPublished Retrospective cohort study

Authors' conclusion

Despite the generally poor prognosis, aggressive treatment, particularly neoadjuvant therapy, has been shown to improve survival. Personalized treatment is crucial for optimizing treatment strategies for PDTC/ATC.

Study context

Population
Patients with locally advanced or metastatic poorly differentiated thyroid cancer (PDTC)/anaplastic thyroid cancer (ATC) at Fudan University Shanghai Cancer Center, 2019–2023, in clinical trials or treated per guidelines and expert consensus82 had gene testing
Participants
95 patients
Exposure
PDTC vs ATC; neoadjuvant therapy + surgery vs systemic treatment vs supportive care only
  • PDTCn = 34
  • ATCn = 61
Outcome
Median OS
Methodological detailssingle-center
  • Single-center

Main finding

As reported in the abstract

P = 0.478

Observational data: associations, not effects.

Further findings

Most frequent gene alterations (82 tested)

BRAF

TERT promoter

TP53

OutcomeHR (95% CI)P value
1-year OS by treatment (PDTC/ATC)Between Neoadjuvant therapy + surgery and Systemic treatment · across the three treatmentsP < 0.001
OS, adjusted for covariates: neoadjuvant therapy + surgery0.216 (0.647–0.718)P = 0.012
  • 1-year overall survival (OS) by treatment (PDTC/ATC): Neoadjuvant therapy + surgery 83.3 %
  • 1-year OS by treatment (PDTC/ATC): Systemic treatment 51.2 %
  • 1-year OS by treatment (PDTC/ATC): Supportive care only 5.7 %
  • OS, adjusted for covariates: neoadjuvant therapy + surgery: independent predictor of superior OS; estimate outside printed CI

Treatment received

PDTC vs ATC: more likely best supportive care, less likely clinical trial enrolment or PD-1 inhibitors

Original publication

Personalized treatment of 95 poorly differentiated thyroid cancer/anaplastic thyroid cancer in 2019–2023. Eur Thyroid J. Published 17 October 2025. doi:10.1530/etj-24-0371

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