Table 4 First-line and second-line chemotherapy regimens used in patients with CUP.

From: Real-world data analysis of patients with cancer of unknown primary

Chemotherapy regimen

n (%)

First-line (n = 132)

FP (5-FU, cisplatin)

74 (56.1)

EP (etoposide, cisplatin)

20 (15.2)

PC (paclitaxel, carboplatin)

13 (9.8)

Clinical trial

4 (3.0)

GP (gemcitabine, cisplatin)

3 (2.3)

VIP (cisplatin, etoposide, ifosfamide)

3 (2.3)

EC (etoposide, carboplatin)

2 (1.5)

FEP (5-FU, etoposide, cisplatin)

2 (1.5)

FOLFIRI (5-FU, leucovorin, irinotecan)

1 (0.8)

FOLFOX (5-FU, leucovorin, oxaliplatin)

1 (0.8)

TP (carboplatin, cisplatin)

1 (0.8)

Othersa

8 (6.1)

Second-line (n = 69)

PC (paclitaxel, carboplatin)

12 (17.4)

GP (gemcitabine, cisplatin)

11 (15.9)

CAV (cyclophosphamide, doxorubicin, vincristine)

9 (13.0)

FP (5-FU, cisplatin)

7 (10.1)

CYVADIC (cyclophosphamide, vincristine, doxorubin, dacarbazine)

5 (7.2)

Paclitaxel

4 (5.8)

Docetaxel

3 (4.3)

FOLFOX (5-FU, leucovorin, oxaliplatin)

3 (4.3)

CAP (cyclophosphamide, doxorubicin, cisplatin)

2 (2.9)

EP (etoposide, paclitaxel)

2 (2.9)

Pembrolizumab

1 (1.4)

Entrectinib

1 (1.4)

Othersb

9 (13.0)

  1. CUP carcinoma of unknown primary, FU fluorouracil.
  2. aIncludes casodex/lucrin, CHOP (cyclophosphamide, doxorubicin, vincristine, prednisolone), DFP (docetaxel, 5-FU, CDDP), gemcitabine, octreotide, and CVD (cyclophosphamide, vincristine, dacarbazine) (n = 1 each).
  3. bIncludes XELOX (oxaliplatin, capecitabine), afinitor, gemcitabine, irinotecan, IP, VIP (etoposide, ifosfamide, cisplatin), XP (capecitabine, cisplatin) + herceptin, ICE (ifosfamide, carboplatin. etoposide), and AP (doxorubicin, cisplatin) (n = 1 each).