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Graphic courtesy of Dr. Damien Dupuy. Dupuy D. Radiofrequency ablation can destroy small lung tumors while avoiding the toxicity of thoracotomy or radiation. 42nd ASCO; June 2-6, 2006. Slide 14. Progression-Free Interval After RFA Progression-Free Interval After RFA of Lung Tumors of Lung Tumors Size Matters Size Matters 100 80 60 40 20 0 0 12 24 36 48 60 72 ≤ 3 cm > 3 cm P = .0002 Progression-Free (%) Months Since Radiofrequency Ablation
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Graphic courtesy of Dr. Damien Dupuy.

Dupuy D. Radiofrequency ablation can destroy small lung tumors while avoiding the toxicity of thoracotomy or radiation. 42nd ASCO; June 2-6, 2006. Slide 14.

Progression-Free Interval After RFA Progression-Free Interval After RFA of Lung Tumorsof Lung Tumors

Size MattersSize Matters

100

80

60

40

20

00 12 24 36 48 60 72

≤ 3 cm

> 3 cm

P = .0002

Pro

gre

ssio

n-F

ree

(%)

Months Since Radiofrequency Ablation

Page 2: Download Slides

Graphic courtesy of Dr. Damien Dupuy.

Dupuy D. Radiofrequency ablation can destroy small lung tumors while avoiding the toxicity of thoracotomy or radiation. 42nd ASCO; June 2-6, 2006. Slide 14.

Radiofrequency Ablation/Radiation Radiofrequency Ablation/Radiation Therapy in NSCLCTherapy in NSCLC

Pre-RFA 2 Weeks Post-RFA

6 Months Post-RFA/XRT

RFA = radiofrequency ablation; XRT = radiation therapy.

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Copyright © Radiological Society of North America, 2005.

Wang H, et al. Radiology. 2005;235:289-298.

Before Cryotherapy After Cryotherapy

CT Images During Cryotherapy and at CT Images During Cryotherapy and at Follow-Up for Treatment of Small Follow-Up for Treatment of Small

Pulmonary MassPulmonary Mass

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Stereotactic Body Radiation TherapyStereotactic Body Radiation Therapy(SBRT) for NSCLC(SBRT) for NSCLC

Graphic courtesy of Dr. Hak Choy.

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BED = biological equivalent dose.

Optimization of Radiation Therapy Optimization of Radiation Therapy Stereotactic Body Radiation TherapyStereotactic Body Radiation Therapy

Indiana UniversityIndiana University11 JapanJapan22

~88%

~68%

100

80

60

40

20

00 12 24 36 48

Lo

cal T

um

or

Co

ntr

ol (

%)

Months from Therapy

100

80

60

40

20

0

0 1 2 3 4 5 6 7Time (Years)

P < .05

Ove

rall

Su

rviv

al (

%)

BED < 100 Gy (n = 23)

BED ≥ 100 Gy (n = 64)

1. Adapted from Cancer, Vol. 101, 2004: 1623-1631. Copyright © 2004 American Cancer Society. This material is reproduced with permission of Wiley-Liss, Inc., a subsidiary of John Wiley & Sons, Inc. 2. Adapted from J Clin Oncol, 2006; 24: 4833, with permission from the American Society of Clinical Oncology.

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Study DesignPCI

20–30 Gy in5–12 Fractions

No PCI

RandomAny response

Stratification: performance score and institute

<5 Weeks

4–6 Weeks

No ResponseChemotherapy

(4–6 Cycles)

Reprinted from Slotman BJ, et al. (ASCO 2007, #4; N Engl J Med. 357:664-672, 2007).

Prophylactic Cranial Irradiation in Prophylactic Cranial Irradiation in Extensive-Disease Small-Cell Lung CancerExtensive-Disease Small-Cell Lung Cancer

(EORTC 08993-22993)(EORTC 08993-22993)

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0 4 8 12 16 20 24 28 32 360

10

20

30

40

50

60

70

80

90

100

PCI

Control

1 Year: 14.6% vs 40.4%

HR: 0.27 (0.16–0.44)

Sym

pto

mat

ic B

rain

Met

asta

ses

(%)

Prophylactic Cranial Irradiation in Extensive-Disease Small-Cell Lung Cancer

Symptomatic Brain Metastases

P < .001

Time Since Randomization (Months)Reprinted from Slotman BJ, et al. (ASCO 2007, #4; N Engl J Med. 357:664-672, 2007).

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Time Since Randomization (Months)0 4 8 12 16 20 24 28 32 36

0

10

20

30

40

50

60

70

80

90

100

PCI

Control

1 Year: 27.1% vs 13.3%

HR: 0.68 (0.52–0.88)

Ove

rall

Su

rviv

al (

%)

Prophylactic Cranial Irradiation in Extensive-Disease Small-Cell Lung Cancer

Overall Survival

P = .003

Reprinted from Slotman BJ, et al. (ASCO 2007, #4; N Engl J Med. 357:664-672, 2007).

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STRATIFY

RANDOMIZE

RPA Class2

1 (<65 y and no extracranial cancer vs 2

(>65 y or extracranial metastases)

Number of Brain Metastases2

1 vs 2/3

Extent of Extracranial Disease2

Yes vs no

WBRT + SRS

WBRT + SRS + Temozolomide

WBRT + SRS + Erlotinib

Eligibility1

NSCLC 1–3 brain metastases

Max. lesion: 4 cm

No brainstem metastases

No actively progressing

extracranial cancerx 1 month

WBRT = whole brain radiation therapy; SRS = stereotactic radiosurgery; RPA = recursive partitioning analysis.

1. ClinicalTrials.gov Web site. http://www.clinicaltrials.gov/ct/show/NCT00096265?order=1. 2. Sperduto PW, et al. Slide 4. www.rtog.org/members/protocols/0320/0320Presentation.pdf.

Phase III Trial of WBRT and SRS Phase III Trial of WBRT and SRS with Temozolomide or Erlotinib with Temozolomide or Erlotinib

RTOG 0320RTOG 0320

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On multivariate analysis, PET response was a more significant predictor (P = .006) than Karnofsky performance status (P = .09) and weight loss (P = .14).

N = 57

MacManus M, et al. 36th ASCO; May 20-23, 2000. Abstract 1888; Slide 22.

Response to Chemoradiotherapy on Response to Chemoradiotherapy on FDG-PET Correlates with SurvivalFDG-PET Correlates with Survival

100

80

60

40

20

00 3 9 15 48

Est

imat

ed S

urv

ival

(%

)

Months Following PET Scan

2118126

CRPRNR/PD

P = .0033

18%

53%

36%

84%84%

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REGISTER

PPEET T

Concurrent chemotherapy/radiation therapy(+/- adjuvant chemotherapy per MD)

PET or PET-CT to be done 12–16 weeks following radiation therapy PET or PET-CT to be done 12–16 weeks following radiation therapy and at least 4 weeks after adjuvant chemotherapy (if given)and at least 4 weeks after adjuvant chemotherapy (if given)

N = 250

PPEET T

Machtay M, et al. 2004. ACR Web site. p 3. http://www.acrin.org/files/protocol_docs/A6668partial_summary.pdf.

Lung Cancer PET StudyLung Cancer PET Study ACRIN 6668/RTOG 0235 DesignACRIN 6668/RTOG 0235 Design

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AuthorAuthor NN MethodMethod ImpactImpact

HebertHebert11 2020 VisualVisual 6/206/20

KifferKiffer22 1515 VisualVisual 4/154/15

NestleNestle33 3434 VisualVisual 12/3412/34

MunleyMunley44 3535 VisualVisual 12/3512/35

VanuytselVanuytsel55 7373 DirectDirect 45/7345/73

GiraudGiraud66 1212 Image fusionImage fusion 5/125/12

BradleyBradley77 2626 Image fusionImage fusion 8/268/26

1. Hebert ME, et al. Am J Clin Oncol. 1996;19:416. 2. Kiffer JD, et al. Lung Cancer. 1998;19:167. 3. Nestle U, et al. Int J Radiat Oncol Biol Phys. 1999;44:593. 4. Munley MT, et al. Lung Cancer. 1999;23:105. 5. Vanuytsel LJ, et al. Radiother Oncol. 2000;55:317. 6. Giraud P, et al. Cancer Radiother. 2001;5:725. 7. Bradley J, et al. Int J Radiat Oncol Biol Phys. 2004;59:78.

Impact of PET on Radiation Therapy Impact of PET on Radiation Therapy Volumes in Lung CancerVolumes in Lung Cancer