Research Article

Treatment of Recurrent or Metastatic Uterine Adenosarcoma

Table 3

Treatment outcomes on recurrence with chemotherapy for recurrent or metastatic disease.

Median survival valueHR95% CI

OS by pathology on recurrence
 High-grade sarcomatous component only17.6 mo
 Similar to initial pathology33.5 mo0.0350.470.23–0.96
1st line chemotherapy
 OS
  All patients16.6 mo
  Doxorubicin-based regimen14.9 mo
   Doxorubicin/ifosfamide22.5 moref
   Other doxorubicin-based regimens13.1 mo0.182.180.69–6.88
  Gemcitabine/docetaxel24.9 mo0.990.990.30–3.38
  Platinum-based regimen24.3 mo0.490.600.14–2.53
 PFS
  All patients7.0 mo
  Doxorubicin-based regimen8.5 mo
   Doxorubicin/ifosfamide15.4 moref
   Other doxorubicin-based regimens6.5 mo0.0832.650.88–7.98
  Gemcitabine/docetaxel5.0 mo0.271.870.62–5.63
  Platinum-based regimen5.7 mo0.063.080.95–9.93
1st line chemotherapy additional treatments
 OS
  Surgery21.6 mo
  No surgery11.9 mo0.121.360.73–2.53
 PFS
  Surgery12.0 mo
  No surgery3.6 mo0.022.041.10–3.77
OS by hormonal therapy for patients with recurrence
 Received hormonal therapy34.7 mo
 No hormonal therapy17.6 mo0.151.580.85–2.95
OS therapy for 1st recurrence21.8 mo
Surgery26.3 mo
 No surgery15.1 mo0.541.210.66–2.24
 Radiation16.5 mo
 No radiation23.4 mo0.580.830.42–1.63
 Chemotherapy18.6 mo
 No chemotherapy27.6 mo0.580.850.47–1.53
 Chemotherapy + surgery23.4 mo
 No chemotherapy + surgery16.5 mo0.971.010.55–1.85

OS, overall survival; PFS, progression-free survival; TTP, time to progression.