Table 5 Assessment of complications.

From: Benefits of local consolidative treatment in oligometastases of solid cancers: a stepwise-hierarchical pooled analysis and systematic review

First author, target disease

Modality of LCT

n

Control

n

Grade ≥3 toxicity

Iyengar,

NSCLC

SBRT and CTx

14

CTx

15

A total of 7 (50%) and 9 (60%) cases for LCT and control, respectively; no G5 toxicity

Gomez,

NSCLC

RT or surgery and standard maintenance

25

Standard maintenance

24

Two cases with G3 esophagitis in LCT;

1 G3 fatigue and 1 G3 anemia in control

Ni,

NSCLC

TKI and MWA

34

TKI

52

Four (9.3%) of the MWA group needed chest tube drainage; no grade ≥3 toxicity related to TKI

Shang,

NSCLC

(postop)

RT or RFA and/or CTx

105

CTx or BSC

47

Overall: 24.8 vs. 21.2%

(m/c Cx.: myelosuppression)

1 case (0.9%) of grade 5 (infection) in LCT arm

Gore,

SCLC

PCI and cRT (45 Gy/15 F)

44

PCI

42

Overall: 25% vs. 9.5%; 1 case of grade 5 pneumonitis in LCT arm

Bouman-Wammes,

prostate

SBRT (mostly 30 Gy/3 F or 35 Gy/7 F)

43

Active surveillance

20

No SBRT-related toxicity

Ost,

prostate

SBRT (81%) or resection

31

Active surveillance

31

No grade ≥2 toxicity in LCT arm

Parker,

prostate

RT and ADT

410

ADT

409

No data in low metastatic burden subgroup;

(4 vs. 1% for whole population)

Tsumura,

prostate

RT to metastases,

prostate brachytherapy and HTx

22

Prostate brachytherapy and HTx

18

No difference in grade ≥2 toxicity

Ruo,

colorectal

Bowel surgery and CTx

127

CTx (83.5%)

103

30-day operative mortality: 2 cases (1.6%); perioperative morbidity (20.5%)

Palma,

multiple

SBRT and/or standard CTx

66

CTx

33

Higher rate in LCT (10.6% vs. 3%); 3 grade 5 cases due to SBRT

Chen Y,

esophagus

CCRT (IMRT, 50 Gy/25 F to primary; 45 Gy/15 F to metastases; cisplatin/paclitaxel)

196

CTx

265

No significant difference between arms

  1. LCT local consolidation therapy, NSCLC non-small cell lung cancer, SBRT stereotactic body radiotherapy, CTx chemotherapy, RT radiotherapy, TKI tyrosine kinase inhibitor, MWA microwave ablation, BSC best supportive care, PCI prophylactic cranial irradiation, SCLC small cell lung cancer, cRT chest radiotherapy, ADT androgen deprivation therapy, HTx hormone therapy, OP operation, CCRT concurrent chemoradiation, IMRT intensity-modulated radiotherapy.