Research Article

Trastuzumab in Esophagogastric Cancer: HER2-Testing and Treatment Reality outside Clinical Studies in Germany

Table 1

Patient and tumor characteristics of patients () with advanced or metastatic esophagogastric adenocarcinoma documented in Therapiemonitor 2006–2013. CT = chemotherapy; KPS = Karnofsky performance status; TT = targeted therapy.

Total number of patients 
2006–2009 
(%)
Total number of patients 
2010 
(%)
Total number of patients 
II.-III. quarter 2011 
(%)
Total number of patients 
III. quarter 2012 
(%)
Total number of patients 
III. quarter 2013 
(%)

Total number of patients receiving palliative 1st-line CT/TT ()1,058754314325357

Gender
 Male; (%)674 (63.8)473 (62.7)205 (65.3)200 (61.5)226 (63.3)
 Female; (%)383 (36.2)281 (37.3)109 (34.7)125 (38.5)131 (36.7)

Age; median (years)6767666565
 Range (years)24–10024–9029–9620–8619–88
 Patients aged < 65 years (%)44.742.346.846.949.7

Patients with KPS ≥ 80% in 1st-line treatment (%)72.972.670.767.866.6

Patients with initial diagnosis of carcinoma in stage IV (%)69.870.065.067.774.2

Histology
 Signet cell cancer (%)14.524.124.212.326.9
 Undifferentiated cancer (G3) (%)43.546.943.644.045.7

Metastatic sites
 Liver (%)50.162.059.561.861.6
 Peritoneum (%)43.245.747.347.855.7
 Lung (%)17.124.926.720.520.4
 Bone (%)8.510.013.811.88.4

Patients participating in clinical trials on 1st-line chemotherapy (%)10.17.84.81.50.6

Treatment institution
 University hospital16.925.226.817.823.9
 Other hospitals59.752.453.460.342.4
 Oncology practice28.029.635.133.239.3
 Unknown0.60.6

Insurance status
 Statutory insurance (%)91.788.887.688.984.3
 Private insurance (%)8.311.212.411.115.7

Note. Information on gender is missing in one patient. Multiple answers were permitted.
Information is missing in one patient 2013. Other than statutory insurance, in 2012 and 2012 the KPS was placed in the last form “Therapiestatus” and changed to KPS in the last therapy decision.