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Table 1 A—Clinical characteristics of the 7 stage IIIc melanoma patients with pelvic locoregional metastases. B—Liquid biopsy metastatic melanoma CTC chemosensitivity assays

From: Circulating tumour cell liquid biopsy in selecting therapy for recurrent cutaneous melanoma with locoregional pelvic metastases: a pilot study

Part A

Age (years)

Burden

≥ 1 mitosis/mm2

Chromotype

BRAFV600E status

Percentage of MGMT promoter methylation

Previous therapies

Concomitant diseases

-therapies

RECIST 1.1 response

Progression-free survival from 1st melphalan HPP

-site of progression

Therapies at progression

Censor

-Overall survival from 1st melphalan HPP

   

Pt 1

50

High

Not

Black

Wild-type

10

Surgery

Interferon alpha

Hepatitis C

-Sofosbuvir and daclatasvir

SD

3 months

-locoregional

2nd melphalan HPP

Dead

-17 months

   

Pt 2

55

Low

Yes

Black

Wild-type

14.2

Surgery

Dacarbazine systemic chemotherapy

Inflammatory bowel disease

-corticosteroids

SD

2 months

-locoregional

2nd melphalan HPP;

Platinum ECT

Dead

-47 months

   

Pt 3

60

High

Yes

Red

Wild-type

20.2

Surgery

Hepatitis C

-Sofosbuvir and daclatasvir

PR

3 months

-locoregional and distant

Dacarbazine systemic chemotherapy

Dead

-19 months

   

Pt 4

61

High

Yes

Black

Wild-type

12.2

Surgery

Hepatitis C

-Sofosbuvir and daclatasvir

SD

3 months

-locoregional and distant

Gemcitabine, paclitaxel systemic chemotherapy

Dead

-7 months

   

Pt 5

85

Low

Not

Black

Wild-type

21.2

Surgery

Interferon alpha

Inflammatory bowel disease

-corticosteroids

SD

3 months

-locoregional

2nd melphalan HPP; surgery

Dead

-21 months

   

Pt 6

38

Low

Not

Red

Wild-type

16.2

Surgery

Radiation therapy

Dacarbazine systemic chemotherapy

Inflammatory bowel disease

-corticosteroids

Lymphoma NH B-CLL

-corticosteroids

SD

4 months

-locoregional

2nd melphalan HPP; surgery

Dead

-21 months

   

Pt 7

75

High

Not

Black

Wild-type

28.5

Surgery

-Bleomycin ECT

Hepatitis C

-Sofosbuvir and daclatasvir

SD

4 months

-locoregional and distant

Dacarbazine systemic chemotherapy

Dead

-15 months

   

Part B

IV-CTCs

5-FU (%)

Gem (%)

Dacarb (%)

Epi (%)

Alk (%)

Eto (%)

Carbo (%)

Cis (%)

Ox (%)

Paclit (%)

Doce (%)

Vino (%)

Topo (%)

Iri (%)

Pt 1

9.6 ml, SD ± 0.3 cells

S = 30

S = 90

S = 80

S = 30

S = 60

S = 40

S = 45

S = 30

S = 30

S = 85

S = 58

S = 20

S = 20

S = 30

Pt 2

16.2/ml, SD ± 0.3 cells

S = 30

S = 85

S = 80

S = 25

S = 50

S = 50

S = 75

S = 90

S = 40

S = 50

S = 50

S = 50

S = 30

S = 30

Pt 3

6.4/ml, SD ± 0.3 cells

S = 20

S = 50

S = 70

S = 30

S = 65

S = 25

S = 30

S = 50

S = 30

S = 30

S = 40

S = 30

S = 25

S = 20

Pt 4

8.4/ml, SD ± 0.3 cells

S = 25

S = 85

S = 72

S = 25

S = 54

S = 24

S = 20

S = 30

S = 30

S = 90

S = 50

S = 30

S = 30

S = 30

Pt 5

9.8/ml, SD ± 0.3 cells

S = 35

S = 65

S = 30

S = 31

S = 72

S = 23

S = 30

S = 30

S = 30

S = 95

S = 60

S = 30

S = 30

S = 30

Pt 6

9.2/ml, SD ± 0.3 cells

S = 25

S = 30

S = 95

S = 25

S = 84

S = 90

S = 42

S = 35

S = 35

S = 20

S = 20

S = 25

S = 20

S = 20

Pt 7

9.8/ml, SD ± 0.3 cells

S = 50

S = 50

S = 75

S = 20

S = 50

S = 50

S = 50

S = 40

S = 50

S = 85

S = 30

S = 30

S = 20

S = 20

  1. Low burden (< 10 nodules; or no lesion > 3 cm); High burden (≥ 10 nodules; or one lesion > 3 cm); ECT electrochemotherapy, NH B-CLL non-Hodgkin B lymphocytes, PR partial response, SD stable disease, Pt patient, IV-CTCs isolated viable circulating tumor cells, 5-FU 5 fluorouracil, Gem = gemcitabine, Epi epirubicin, Alk melphalan, Eto etoposide, Carbo carboplatin, Cis cisplatin, Ox oxaliplatin, Paclit paclitaxel, Doce docetaxel, Vino vinorelbine, Topo topotecan, Iri irinotecan, S sensitivity