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Table 1 Current clinical trials on EGFR-TKIs for LM

From: The role of EGFR-TKI for leptomeningeal metastases from non-small cell lung cancer

Author

Years

N

Study type

Regimen

VP

Histology

Prior EGFR-TKIs

Outcomes

References

Yang

2015

6

Retrospective

Standard-dose erlotinib + PP

No

EGFRMT NSCLC

Gefitinib

Intracranial CR 1/6, PR 3/6; neurological symptoms improved 5/5, PS improved 6/6; median PFS 8.5 months; median OS 9.0 months

Yang et al. (2015)

Kawamura

2015

12

Retrospective

High-dose erlotinib ± WBRT/Bevacizumab

No

EGFRMT NSCLC

Gefitinib/erlotinib

Intracranial ORR 3/10; neurological symptoms improved 6/12, PS improved 4/12; median PFS 2.3 months; median OS 6.2 months

Kawamura et al. (2015)

Jackman

2015

7

Phase I

High-dose gefitinib

No

EGFRMT NSCLC

Gefitinib/erlotinib/Vandetanib

Intracranial ORR 0/7; neurological symptoms improved 4/7; median PFS 2.3 months; median OS 3.5 months

Jackman et al. (2015)

Gong

2015

21

Retrospective

High-dose/Standard-dose Icotinib ± ITC/WBRT/Chemotherapy

No

EGFRMT NSCLC

Icotinib partly

Intracranial ORR 8/21; neurological symptoms improved 18/20, PS improved 17/21; median OS 10.1 months

Gong et al. (2015)

Lin

2014

1

Case report

Afatinib + cetuximab

No

EGFRMT ADC

High-dose erlotinib, gefitinib

Intracranial PR; neurological symptoms improved; OS 5 months

Lin et al. (2014)

Kwon

2014

37

Retrospective

EGFR-TKIs

No

NSCLC

EGFR-TKIs partly

Median OS 10.5 months versus 3.0 months with or without EGFR-TKIs therapy after LM

Kwon and Chie (2014)

Lee

2013

25

Retrospective

Gefitinib/erlotinib ± ITC/WBRT

No

NSCLC

Gefitinib/erlotinib

Intracranial ORR 5/9 versus 3/9, median OS 9.5 months versus 4.4 months with erlotinib or gefitinib therapy after LM

Lee et al. (2013)

Kuiper

2013

2

Case reports

High-dose pulsatile erlotinib + Chemotherapy

No

EGFRMT NSCLC

Erlotinib/afatinib

Intracranial PR 2/2; neurological symptoms improved 2/2

Kuiper and Smit (2013)

Yuan

2012

1

Case report

High-dose gefitinib + Pemetrexed

No

EGFRMT ADC

Gefitinib

Intracranial PFS 6.0 months, neurological symptoms improved

Yuan et al. (2012)

Umemura

2012

91

Retrospective

Gefitinib/erlotinib ± ITC/WBRT

No

NSCLC

Median OS 5.3 months versus 2.3 months with or without EGFR-TKIs therapy after LM

Umemura et al. (2012)

Togashi

2012

1

Case report

Erlotinib

No

EGFRMT ADC

Erlotinib/gefitinib

Intracranial PR; neurological symptoms improved; PS improved; PFS 8.0 months

Togashi et al. (2012)

Park

2012

50

Retrospective

Erlotinib/gefitinib ± WBRT

No

NSCLC

EGFR-TKIs partly

Median OS 4.3 months for all patients, median OS was longer with patients receiving EGFR-TKIs than not (p = 0.002)

Park et al. (2012)

Masuda

2011

3

Case reports

Erlotinib

No

EGFRMT ADC

Gefitinib

Neurological symptoms improved 2/3; PS improved 2/3; median OS 93 days

Masuda et al. (2011)

Grommes

2011

9

Retrospective

High-dose pulsatile erlotinib

No

EGFRMT NSCLC

Erlotinib/Afatinib/gefitinib

Intracranial ORR 6/9; neurological symptoms improved 18/20,; median PFS 2.7 months; median OS 12.0 months

Grommes et al. (2011)

Clarke

2010

1

Case report

High-dose pulsatile erlotinib

Yes

EGFRMT NSCLC

Erlotinib

Intracranial PR; OS 14 months

Clarke et al. (2010)

Yi

2009

11

Retrospective

Erlotinib/gefitinib ± ITC

No

NSCLC

Gefitinib partly

Clinical response 9/11; >6 months OS 8/11

Yi et al. (2009)

Katayama

2009

4

Retrospective

Erlotinib

No

EGFRMT ADC

Gefitinib

Intracranial ORR 2/3; neurological symptoms improved 3/4, PS improved 1/4; median OS 4.0 months

Katayama et al. (2009)

Dhruva

2009

1

Case report

High-dose pulsatile erlotinib

No

NSCLC

Erlotinib

Intracranial PR; neurological symptoms improved, PS improved

Dhruva and Socinski (2009)

Jackman

2006

1

Case report

High-dose gefitinib

No

EGFRMT ADC

Gefitinib

Intracranial PR; neurological symptoms improved, PS improved

(Jackman et al. 2006)

Choong

2006

1

Case report

Gefitinib

No

EGFRMT ADC

Erlotinib

Intracranial PR; neurological symptoms improved, PS improved

(Choong et al. 2006)

  1. N total number, VP ventriculoperitoneal shunt, EGFR-TKIs epidermal growth factor receptor-tyrosine kinase inhibitors, Ref citation references, PP pemetrexed plus cisplatin, WBRT whole-brain radiotherapy, ITC intrathecal chemotherapy, EGFR MT epidermal growth factor receptor mutation type, NSCLC non-small cell lung cancer, ADC adenocarcinoma, CR complete response, PR partial response, PS performance status, PFS progression-free survival, OS overall survival, ORR overall response rate, LM leptomeningeal metastasis