Open Access

A current review of dose-escalated radiotherapy in locally advanced non-small cell lung cancer


Cite

Researches on proton and heavy ion radiotherapy in NSCLC

Author Regimen No. Stage Treatment outcome p value RE p value RP p value
Higgins47 Median dose of photon radiotherapy: 59.4Gy 243474 I- IV 13.5% (5-year OS) 0.01 - - - -
Median dose of PSPT: 60Gy (RBE) 348 23.1% (5-year OS)
Chung48 74Gy (RBE) PSPT concurrent with chemotherapy 64 III 26.5 months (median OS) - 8% (G3) - 14% (G3-4) -
Liao49 IMRT: 66-74Gy 92 LANSCLC 10.9% (LRF) 0.86 - - 6.5% 0.40
PSPT: 74Gy (RBE) 57 10.5% (LRF) 10.5%
Takahashi50 68-76Gy (RBE) carbon ion radiotherapy 72 LANSCLC 93.1% (2-year LRC), 51.9% (2-year OS) - 1.4% (G3) - 1.4% (G3) -
Karube51 52.8-72Gy (RBE) carbon ion radiotherapy 64 II- III 81.8% (2-year LRC), 62.2% (2 -year OS) - 0 (≥G2) - 0 (≥G2) -
Shirai52 52.8-70.4Gy (RBE)/4-16f carbon ion radiotherapy 23 T2b-4N0M0 81% (2-yearLRC), 70% (2-year OS) - 0 (≥G3) - 0 (≥G3) -

Researches on personalized dose escalation radiotherapy in NSCLC

Author Regimen No. Stage Treatment outcome p value RE p value RP p value
Van Baardwijk36 Initially 1.5Gy bid to 45Gy, then 2Gy per fraction daily increments until reaching the limit dose of normal tissue 137 III 52.4% (2-year OS) - acute: 25.5% (G3); late: 4.6% (G3) - late: 3% (≥G3) -
Van Elmpt38 Initially 2.75Gy to 66Gy,then boost to the entire primary tumor 15 I- III - - - - - -
Initially 2.75Gy to 66Gy,then boost in the high FDG uptake area 15
Vera40 18F-FMISO PET-CT (-): 66Gy CCRT 20 LANSCLC 95% (1-year OS) 85% (1-year DFS) p=0.10 (1-year OS) acute: 75% (G1-3) - acute: 15% (G1-2) late: 5% (G1-2) -
18F-FMISO PET-CT (-): 68-86Gy CCRT 24 81% (1-year OS) 50% (1-year DFS) p=0.01 (1-year DFS) acute: 75% (G1-3) acute: 12.5% (≥G3)
18F-FMISO PET-CT (+): 66GyCCRT 10 50% (1-year DFS) acute: 100% (G1-5) acute: 0
Kong41 Initially 50Gy, then adapt target basing on midtreatment PET-CT and escalate dose to the constraints of normal tissue concurrent with chemotherapy 42 Inoperable stage I- III 2-year LRC: 62%; median OS: 25 months - 12% (G3) - 7% (G3) -

Researches on altered fractionation in NSCLC

Author Regimen No. Stage Treatment outcome p value RE p value RP p value
Saunders23 Conventional radiotherapy: 60Gy/2Gy/30f 225 - 20%(2-year OS) 0.004 acute: 7%; late: 5% - acute: 19%; late: 4%(symptomatic) -
CHART: 1.5Gy tid, 7 days/week, a total of 54Gy 339 29%(2-year OS) acute: 9%; late: 7% - acute: 10%; late: 16%(symptomatic) -
Baumann24 conventional radiotherapy: 66Gy/2Gy/33f 203 inoperable 31%(2-year OS) 0.43 acute: 2.2%; late;: 0.7%(≥G2) acute: 0.17; late: 0.62 acute: 9.5%; late:11%(≥G2 symptomatic) acute: 0.32; late: 0.59
CHART: 1.5Gy tid, 5 days/week, a total of 54Gy 203 32%(2-year OS) acute: 5%l late: 1.9%(≥G2) acute: 6.6%; late:9.2%(≥G2 symptomatic)
Mauguen25 Conventional radiotherapy 2000 - 15.9%(3-yearOS), 8.3%(5-year OS) <0.04 9% <0.001 - -
CHART 19.7%(3-yearOS), 10.8%(5-year OS) 19%
Din26 55Gy/2.67Gy/20f 609 III 50%(2-year OS) - - - 15.1%(G1-2 symptomatic) -
Sun27 conventional radiotherapy: 70.8Gy/1.86Gy/38f 54 inoperable stage III 48.1%(RR) 0.032 33.3%(G2) - 42.6% (≥G2) -
hypofractionated radiotherapy: 65Gy/2.5Gy/26f 43 69.8%(RR) 25.6%(G2) 34.9%(≥G2)
Cannon29 57-85.5Gy/2.28-3.42Gy/25f 79 LANSCLC 29%(3-year OS) - acute: 48%(G2); late: 28%(G2) - 16%(G2)7.6%(G4-5) -
Feddock32 A month after standard radiotherapy to 60Gy with concurrent chemotherapy, an SBRT boost was given in ≤5cm residual primary tumors: 10Gy×2f for peripheral lesions, 6.5Gy×3f for central lesions 61 II/III 82.9%(primary tumor control with a median follow-up of 13 months) - 1.6%(G2) - acute:17.1%; late: 9.4%(≥G2) -
Karam33 An SBRT boost with 20-30Gy over 5 fractions was prescribed after conventional CCRT to a median dose of 50.4Gy 16 LANSCLC , 78%(1-yearOS) 76%(1-yearLRC) - 18% (G2) - 25% (G2) -
Higgins34 Standard radiotherapy to 44Gy with concurrent chemotherapy, followed by an SBRT boost in the lung and nodal residuals in four groups: 9Gy×2f, 10Gy×2f, 6Gy×5f and 7Gy×5f 19 stageIII(N1/ N2) with ,primary tumors ≤8cm and lymph nodes ≤5cm 39%(3-yearOS) 59%(3-yearLRC) - - - - -
Hepel35 Standard radiotherapy to 50.4Gy with concurrent chemotherapy, followed by an SBRT boost in the lung and nodal residuals in four groups: 8Gy×2f, 10Gy×2f, 12Gy×2f and 14Gy×2f 12 Stage II/III with primary tumor ≤120cc and lymph node volume ≤ 60cc 78%(1-yearLRC) - 0(≥G3) - acute: 0(≥G3); late: 8.33%(G5) -
eISSN:
1581-3207
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Medicine, Clinical Medicine, Internal Medicine, Haematology, Oncology, Radiology