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Table 2 Clinical courses of patients receiving genetic alteration-driven therapies. PFS for molecular-directed therapy is calculated as months until data cut-off (31.12.2022)

From: Clinical impact of panel gene sequencing on therapy of advanced cancers of the digestive system: a retrospective, single center study

Cancer type,

tumor stage at time of molecular-directed therapy

Genetic alteration

Drug

Lines of pretreatments (n)

Time on prior therapy (months)

PFS for molecular-directed therapy (months)

Best response

CCC,

UICC IV

IDH1

R132C

Ivosidenib

1

12.4

2.5

progress

CCC,

UICC IV

IDH1

R132C

Ivosidenib

3

11.4

2.3

stable disease

CCC,

UICC IV

ERBB3

G284R

Lapatinib + Trastuzumab

2

10.3

7.3 (ongoing)

mixed response

CCC,

UICC IV

dMMR

Pembrolizumab

1

3.7

65.1 (ongoing)

complete response

CRC,

UICC IV

dMMR/ BRAF

V600E

Pembrolizumab/ Encorafenib + Cetuximab

0

0

12.2 (9.2/3.0)

stable disease/ progress

CRC,

UICC IV

dMMR/ BRAF V600E

Pembrolizumab

0

0

15.5 (ongoing)

stable disease

CRC,

UICC IV

dMMR

Pembrolizumab/ Nivolumab +

Ipilimumab

0

0

28.8 (27.6/1.2)

partial response/ n.a.

CRC,

UICC IV

BRAF V600E

Encorafenib +

Binimetinib + Cetuximab

1

1.4

5.1

partial response

CRC,

UICC IV

dMMR

Pembrolizumab

0

0

8.9

mixed response

CRC,

UICC IV

BRAF V600E

Encorafenib + Cetuximab

0

0

3.8

mixed response

CRC,

UICC IV

BRAF V600E

Encorafenib + Cetuximab

0

0

0.8 (ongoing)

Not assessed (ongoing)

Duodenal adenocarcinoma,

UICC IV

dMMR

Pembrolizumab/ Nivolumab

1

3

39.6 (36.3/3.3)

stable disease

PDAC,

UICC IV

BRCA1 E1161Ffs*3/

BRCA2 S497L

Olaparib

3

19.3

9.0 (ongoing)

Partial response

  1. CCC Cholangiocellular carcinoma, CRC colorectal cancer, PDAC pancreatic ductal adenocarcinoma, dMMR deficient mismatch repair, ND not discussed (cases were not presented in local molecular tumor board), UICC Union for International Cancer Control tumor stage