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Current Management of Headand Neck Squamous Cell
Cancer
Kenneth Hu, MD
2011 ASTRO Spring Refresher Course
Assoc Prof, Albert Einstein College of MedicineBeth Israel Medical Center, NY, NY
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Course Objectives
• To understand rationale for current
treatment approaches
• Benefit of IMRT
• Future directions regarding risk adapted
approaches
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Disclosure
• Speaker’s Bureau for Bristol Myers Squibb
and Eli Lilly
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Head and Neck CancersMost Common Sites
• Oropharynx
• Larynx
• Hypopharynx
• Oral Cavity
• Nasopharynx
National Comprehensive Cancer Network. Clinical Practice Guidelines in Oncolo gy. Head and Neck
Cancers. Vol 1. 2005. Available at: http://www.nccn.org/professionals/physician_gls/PDF/head-and-
neck.pdf. Accessed December 14, 2005. Jemal A. CA Cancer J Clin . 2005;55:10 –30.
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Background
• > 600,000 worldwide cases per year with
> 200,000 deaths
• 4th
most common cancer worldwide• US: 45,000/yr
– 60% Stage III/IV at diagnosis
– 11,000 deaths per year
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• Primary risk factors
– Tobacco
– Alcohol – Males 2-4 times
– Viral
• HPV (non-smokers tonsil)-40-60%
• EBV – (nasopharynx)
Risk Factors
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General Principles #2
Standard Approaches to improve radiation efficacy:
• Altered fractionated radiation
– Tumor Repopulation
– Minimize Treatment Time or Dose Escalate• Concurrent Chemoradiation (cisplatin/taxane)
• Intensity Modulated Radiotherapy
Newer approaches for risk adapted radiotherapy
• Targeted Biologic
• Induction chemotherapy
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• Stage I 73%
• Stage II 58%
• Stage III 45%
• Stage IV 32%
Oral Cavity Oropharynx
Hypopharynx
AJCC Staging Handbook, 7th ed
Larynx
•Stage I 53%
• Stage II 39%
• Stage III 36%
• Stage IV 24%
•Stage I 84%
• Stage II 66%
• Stage III 52%
• Stage IV 36%
• Stage I 71%
• Stage II 58%
• Stage III 45%
• Stage IV 32%
5 yr Disease-Free Survival
(SEER Data 1998-1999)
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Reasons for Death in Head and Neck
Cancer Patients• Index cancer — major etiology
– Locoregional failure 30-50%
– Distant Metastasis 20%
• Comorbidities — cardiopulmonary, vascular
• Secondary cancers — 4-7%
• Treatment Related
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Image-Based Neck Node Level Classification
Som et al, AJR, 2000
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Incidence of Positive Lymph Nodes
» Unilateral versus Contralateral
» node positive
• Oral Cavity : 30% 5%
• Oropharynx: 60-75% 20-30%• Larynx: 55% 20%
• Hypopharynx: 75% 10%
• Nasopharynx: 90% 50%
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Percentage Incidence and Distribution of
Pathologically Involved Nodes in a Clinical
Node Negative Neck After Elective Radical Neck Dissection
I II III IV VOropharynx
n=482 25 19 8 2
Hypopharynx
n=240 13 13 0 0
Larynxn=79
5 19 20 9 2.5
Oral Cavity
N=19220 17 9 3 0.5
Shah, J.P et al. The patterns of cervical lymph node metastases from
squamous carcinoma of the oral cavity. Cancer, 1990. 66(1): p. 109-13
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Percentage Incidence and Distribution of
Pathologically Involved Nodes in a Clinical
Node Positive after Therapeutic Radical NeckDissection
I II III IV VOropharynx
n=16514 71 42 28 9
Larynx n=183 7 57 59 29 4
Hypopharynxn=104
10 76 73 46 11
Oral Cavity
n=32446 43 33 15 3
Shah, J.P., Patterns of cervical lymph node metastasis from squamous
carcinomas of the upper aerodigestive tract. Am J Surg, 1990. 160(4): p. 405-9.
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• < 1% of all Cancers in the U.S.A.
• Common among Southeast Asians, especially Chinese from
the Southern Provinces of Kwantung, Kwangsi and Fukien.
• Age : 45-55
• Male : Female = 2-3 : 1
• Incidence in Males /100,000 /yr :
Hong Kong 28 Alaska 17.2
U.S. (Connecticut) 0.6 Singapore 16.8
Japan 0.4
Inc idence and Epidem iology
CARCINOMA OF THE NASOPHARYNX
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CARCINOMA OF NASOPHARYNX
Lymph Node Metas tases
• 70-90% incidence on presentation
• 40-50% bilateral• Upper posterior cervical and subdigastric
nodes are most frequently involved
• Retropharyngeal nodes are detected byMRI/CT scans
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Epstein-Barr Virus
• EBV associated with malignant
transformation
• EBV Nuclear Antigen and viral DNA can be
detected in tumor cells to diagnose NPC
• Serum EBV DNA detected by PCR can prognose survival and predict for distant
metastasis (Lo Cancer Res 2000, 60(24) 6878-81)
• Serum EBV DNA monitor for treatment
res onse and recurrence Lo Cancer Res 1999 59 6 1188-91
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•Cervical Adenopathy
•Unilateral Hearing Impairment
•Serous Otitis Media
•Nasal Obstruction
•Epistaxis
•Cranial Nerve Paralysis (CN V and VI
•Pain
PRESENTING SYMPTOMS AND SIGNS
CARCINOMA OF THE
NASOPHARYNX
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Nasopharynx:
Anatomical
Boundaries• Upper boundary
– Sphenoid sinus, clivus
• Lower boundary
– Superior surface SP
• Posterior boundary
– Clivus, CVJ,
prevertebral muscles
•Anterior boundary – Posterior choana
• Lateral boundary
– Eustachian tube
orifice, torus tubarius,fossa of Rosenmuller
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Landmarks: ET – Eustachian Tube opening
TT – Toru TubariusRF – Rosenmuller Fossa
Endoscopic View of Normal Nasopharynx
Flexible Endoscopic
ImagesLeft Nasopharynx Tumor
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Patterns of Spread
• Anatomically Difficult Location to Detect
Early
• Locally — can extend down throat/skull base
• Spread to nodes of neck on same or both
sides of neck in 90% of cases
• Spread to lungs/bones
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INTERGROUP 99 (RTOG 88-17)Al-Sarraf et al, JCO, 1998
R
A
N
DO
M
I
Z
E
S
T
R
AT
I
F
I
Y
T & N Stage
PerformanceStatus
Histology
RT alone
(70 Gy)
RT (70 Gy) +CDDP x 3
AJCC
(1992)
III or IV
M0
Conv. Tech.
CDDP + 5FU x 3
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INTERGROUP 99 (RTOG 88-17)TRIAL OF CHEMOTHERAPY FOR NPC
Overall Survival - All Patients
RT46%
76%
p < .001
RT + CT
LRF: 33%10%
DM: 35%13%
St d Ti L PFS DFS DMF OS
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Study Time
Point
Loco-
Regional
Control
PFS DFS DMF
Rate
OS
INT0099
5 year 58% 74% 87% 67%
Wee
(Sing.)
2 year 90% 76% 87% 84%
Chan
(PWH)
5 year 60% 75% 70%
Lin
(Taiwan)
5 year 74% 72% 89% 79% 72%
Lee
(H.K.)
3 year 93% 67% 75% 76%
NPC M A l
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NPC: Meta-Analyses
Chemotherapy and RT:
(Langendijk J.A., JCO 2004;22:4604-4612)
• 10 Randomized studies
• 4% increase in absolute survival at 5 yearswith the addition of chemotherapy
• LARGEST effects with CONCOMITANT therapy
(20% increase in OS)• Other Meta-analyses showed the same results!
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NPC: Future Issues
Decrease Toxicity?
Further Decrease Distant Mets?
Screening/Vaccination
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Conventional Radiation Fields• Typical RT Fields:
Lee et al. IJROBP 40;1998:35
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Late complications from
RT for NPC• Xerostomia
• Hearing Loss
• Temporal Lobe Necrosis
• Oral and dental complications
• Pituitary hypofunction• Neural complications
• Soft and hard tissue cx
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New Radiation Technique:
Intensity Modulated RadiationTherapy (IMRT)• Advantages
– Treats tumor and spares more normal tissue
– May allow dose escalation and tumor control
– Decrease long-term toxicity
• Disadvantage
– Small margins for error – Special Expertise
– Longer Treatment time for patient
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Organ Structures That Can Be
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Organ Structures That Can Be
Spared with IMRT
• Parotids <24-26Gy (Eisbruch• Submandibular Gland/Oral Cavity <39Gy
(Murdoch-Kinch IJROBP 2008)
• Temporal lobe (Kam IJROBP 2003)
• Pituitary gland (Cheng, Int J. Ca 2001)
• Mean Constrictors <60Gy/Larynx (V50<50%)
(Feng IJROBP 2007)
• Cochlea <48Gy (Chen, WC. Cancer 2006)
• Brachial Plexus (Hall IJROBP 2008)
•
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IMRT for Nasopharynx
# Pts MedF/U(mo)
Local Regional DistantMetastasis
OverallSurvival
Lee 67 31 97% 98% 28% 73%
Kwong 33 24 100% 92% 100%
Kam 64 29 92% 98% 21% 90%
Wolden 74 35 91% 93% 22% 83%
Be aci mab (a astin)
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Bevacizumab (avastin)Monoclonal antibody that binds VERF, a.k.a, VEGF-A,
a potent and specific growth factor for endothelial cells
Inhibits Neovascularization
Decreased Intersitial Fluid Pressure
RTOG 0615
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R E
G
I
S
T
E
R
RTOG 0615
Node + or ≥ T2b
Histology:
WHO I-III
Concurrent:
IMRT (70 Gy)
CDDP (100mg/m2) x 3 cycles q 3 weeks
+ BV 15mg/kg q 3 weeks
Adjuvant:
CDDP (80 mg/m2)
5FU (1000 mg/m2) x 3 cycles q3 weeks
BV 15mg/kg q3 weeks
Maintenance:
BV 15mg/kg q 3 weeks for 9 cycles or 6 months
Lee, Garden et al.
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Updates and Emerging
Concepts
• Benefit of altered fractionated radiation
• Role of concurrent, inductionchemotherapy and biologic therapies
• Impact of Human Papilloma virus on
outcome
• Selection criteria for treatment
deintensification and intensification
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T1 81% to 100%
T2 72% to 90%
T3 50% to 72%T4 23% to 60%Harrison 3rd
Edition
TONSIL: RT alone
LOCAL CONTROL BY T-STAGE
SCC f O h
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SCC of OropharynxParsons. Cancer 2002
Surgery+/-RT RT +/- SBOT
LC 79% 76%
LRC 60% 69%
CSS 62% 63%
Cx(Fatal) 32% (3.5%) 3.8% (0.4%)
Tonsil
LC 70% 68%
LRC 65% 69%
CSS 57% 59%
Cx(Fatal) 23(3.2%) 6%(0.8%)
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Altered Fractionation Schemes• Conventional Fractionation(CF)--5 daily
treatments per week with 1.8-2.0Gy fractionsize to 70Gy/7 weeks
• Accelerated Fractionation (AF)--reduce overalltreatment time to minimize on treatment tumorrepopulation 70Gy/ 6 weeks ; BID RT lastweeks or DAHANCA regimen (6 tx/wk)
• Hyperfractionation (HF)--increase the number
of fractions per given total dose to maximizeDNA repair advantage of normal tissue andenhance tumor cell-cycle redistribution.81.6Gy/7 wks
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EORTC Protocol 22791Hyperfractionation vs. Conventional
Fractionation for Oropharyngeal Ca.
Sq. Cell Ca.
Oropharynx
T2 T3N0, N1 < 3 cm
M0
1. Conventional
2.0 Gy/fx/d
T.D.: 70 Gy/35 fx/7 wks
2. Hyperfractionation
1.15 Gy/fx B.I.D.
T.D.: 80.5 Gy/70 fx/7 wks
R
A
N
D
O
MI
Z
EHoriot Radiother Onc 1992
EORTC Protocol 22791
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EORTC Protocol 22791Hyperfractionation vs. ConventionalFractionation for Oropharyngeal Ca.
5-year Results HFx CFx p
Local Control 59% 40% 0.02
T2N0-1 61% 58% 0.67
T3N0-1 51% 18% 0.001
Survival 40% 30% 0.08
Late Effects Free 51% 45% 0.72
RTOG 90-03: Phase III Study
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RTOG 90 03: Phase III Study1. Standard Fractionation T.D.: 70.0 Gy/35 fx/7wks
2.0 Gy/fx Q.D.2. Hyperfractionation T.D.: 81.6 Gy/68 fx/7 wks
1.2 Gy/fx B.I.D.
3. Accelerated Fractionation T.D.: 67.2 Gy/42 fx/6wks (Split Course)
1.6 Gy/fx B.I.D. 2 wk split at 38.4 Gy
4. Accelerated Concomitant Boost T.D.: 72.0Gy/42 fx/6 wks
1.8 Gy/fx/d to large field + 1.5 Gy/fx /d to
boost field X 12 fxs. in last 2.5 wksFu, IJROBP 2000
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1073 pts, Median followup 8 yrs
70Gy/7wks 67.2Gy/6wks81.6Gy/7wks 72Gy/6wks
ASTRO 2008
Meta-Analysis:
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Meta-Analysis:
Fractionation
• Conventional RT vs. HFX or Acc RT• N=6515 patients
• 15 randomizes trials
• 1970-1998
• Median F/U 6 years
• Modified radiotherapy led to a small but sig
improvement in survival and LR control
• LR 7% benefit from 46 to 53%
• OS 3% benefit fro 36 to 39%
Baujat Cochrane Database Sys Rev 2010
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Overgaard Lancet Oncol 2010
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R i l f C
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Rationale for Concurrent
Chemoradiotherapy
• Rationale: Overcome radioresistance and early eradication
of microscopic distant metastases
• Synergistic effects of chemotherapy
– Interfere with cellular repair induced by RT (CDDP)
– Reduce population of hypoxic cells (Tirapazimine)
– Kill radioresistant cells in S phase and increase cell
cycle synchronization (Hydroxyurea)
– Increase accumulation of cells at G2/mitosis phasewhere chemotherapy and RT are most effective
(Taxanes)
– Decrease cells in S-phase — C225
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Randomized Trial of Radiation Therapy
Versus Concomitant Chemotherapy and
Radiation Therapy for Advanced StageOropharynx Carcinoma
• GORTEC Multicenter Trial
• 226 patients Stage III/IV (32%/68%) OPX Ca.
• Arm A: 70Gy/7wks (control)
• Arm B: 70Gy/7 wks + Carboplatin/5 Fluorouracil(70mgm/m2: 600mg/m2/dx4dx3cycles, wk 1, 4,7)
• Calais, JNCI 1999
French Trial: Oropharyngeal CA
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French Trial: Oropharyngeal CA(Denis et al, JCO, 2004)
• Med. Surv. 20 mo 13 mo
• 5 yr LRC 48% 25%
p=.002
• 5 yr DFS 27% 15% p=0.01
• 5 yr OS 22% 16%
p=0.05
Chemo + RT RT Alone
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RTOG 0129
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RTOG 0129hase III Trial of Concurrent RT and CT for
Advanced Head and Neck Cancer
S
TR
A
T
IF
Y
R
A
ND
O
M
I
Z
E
Zubrod PS
0 or 1
Site : larynx vsnon
Nodal Status :
N0
N1 or N2a-b
N2c-N3
Arm 1 : AFX-CB
72 Gy/42 FXS/6 wks
plus CDDP 100 Mg/M2days 1 and 22
Arm 2 : Concurrent 70 Gy +Cisplatin 100 mg/m2
I.V. on days 1, 22, 43.
IMRT OROPHARYNX
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IMRT OROPHARYNXAuthor
Year
n Stage Chemo
%
Median
FU
months
Loco-regional
control
Chao
(Wash U.)
IJROBP 2004
74 76%
III/IV
46% T3/4
27% 33 87%
(4 Yr)
Feng
(Michigan)
JCO 2010
73 III/IV 100% 36 96%
(3 Yr)
De Arruda
(MSKCC)
IJROBP, 2005
50 84% IV
37% T3/4
100% 24 92%
(2 Yr)
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Aspiration Risk and Dose to Pharyngeal
Constrictor
and Larynx/Hypopharynx
• Risk for aspiration increases sharply after dose
thresholds of 50-60Gy to the pharyngealconstrictor/larynx/hypopharynx
– Eisbruch, et al., Int J Radiat Oncol Biol Phys. 2007;69(2 Suppl):S40-2.
– Feng, et al., Int J Radiat Oncol Biol Phys. 2007 Aug 1;68(5):1289-98.
– Levandag et al., Radiother Oncol. 2007 Oct;85(1):64-73.
– Schaner, et al. abstract 1099, ASTRO 2008
– Gokhale, et al., abstract 1100, ASTRO 2008
P b bilit S ll i P bl
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0
. 1
. 2
. 3
. 4
. 5
. 6
0 10 20 30 40 50 60 70 80
Dose superior constrictor muscle (Gy)
Cyberknife (3x + 4x)
Brachytherapy implant
No BT / No Cyberknife
Probability Swallowing Problems
3x4x
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Levendag PC, et al. Radiother Oncol . 2007
Dysphagia and Aspiration after Chemoradiotherapy for Head and
N k C Whi h A t i St t A Aff t d d C
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Eisbruch, A. et al., IJROBP V 60, No 5, 1425-1439, 2004
Neck Cancer: Which Anatomic Structures Are Affected and Can
They Be Spared by IMRT?
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Feng JCO 2010
73 III/IV Opx 70Gy/7wks + taxol/carbo/wk
Med F/U 36mo 3yr LRC 96% DFS 88%
PEG dependence 1.4% at 1yr
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p y
5 pts with strictures 8 pts with
pneumonia — all silent aspirators
• Dysphagia related to dose to PC,Lx, Esoph
• Neck dissection/smoking/t-stage
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NEJM 2006
Ph III C225 /RT T i l f
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Phase III C225 /RT Trial for
Advanced HNC
• Median f/u 38 months
• Cetuximab/RT superior compared to RT
– Locoregional control at 1 yr (69% vs 59%)• 2yr (56% vs 48%)
– Larynx Preservation in 171 Hpx/Lx• 2yr (92 vs 83%) 3yr (88vs 80%)
– 2 yr OS: 62 vs. 55%; 3 yr OS: 57 vs. 44% – Median OS: 54 months vs. 28 months (p=.02)
• Bonner et al, ASCO 2004 and 2005
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RTOG 0522Phase III Trial of Concurrent
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RT and CT forAdvanced Head and Neck Cancer
S
T
R
A
T
IF
Y
R
A
ND
O
M
IZ
E
Zubrod PS
0 or 1
Site : larynx vsnon
Nodal Status :
N0
N1 or N2a-b
N2c-N3
Arm 1 : AFX-CB
72 Gy/42 FXS/6 wks
plus CDDP 100 Mg/M2days 1 and 22
Arm 2 : As above + C225
On-Going
TAX 324: Sequential Combined Modality
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TherapyTPF vs PF Followed by Chemoradiotherapy
R
A
N
D
O
M
I
ZE
P
P
F
F
Carboplatinum - AUC 1.5Weekly
Daily Radiotherapy
T
TPF: Docetaxel 75D1 + Cisplatin 100D1 + 5-FU 1000 CI- D1-4 Q 3 weeks
x3PF: Cis latin 100 + 5-FU 1000 Q 3 weeks x 3
Surgery
as
Needed
Posner NEJM 2007
TAX324 : Survival
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Survival Time (months)
S u r v i v a l P
r o b a b i l i t y ( % )
0 6 12 18 24 30 36 42 48 54 60 66 72
0
10
20
30
40
50
60
70
80
90
100
TPF (n=255)
PF (n=246)
Number of patients at risk
TPF:
PF:
255 234 196 176 163 136 105 72 52 45 37 20 11
246 223 169 146 130 107 85 57 36 32 28 10 7
TAX324 : Survival
TPF
62%
PF
48%
Log-Rank P =
0.0058 Hazard
Ratio = 0.70
TPF
67%
PF
54%
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H P ill Vi i O h
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Human Papilloma Virus in Oropharynx
Cancer
• HPV found in 40-60% of all oropharynx cancer
• HPV positive oropharynx ca correlates with
– Marijuana use, not tobacco use
– High risk sexual behavior
– 5-10 year younger patients, M:F equal
– Basaloid, poorly differentiated histology
– HPV-16 subtype in 85-90% (HPV 31,33,35 in rest)D'Souza, G., N Engl J Med, 2007. 356(19): p. 1944-56.
Hammarstedt, Int J Cancer, 2006. 119(11): p. 2620-3.
Gillison, J Natl Cancer Inst, 2008. 100(6): p. 407-20.
Fakhry, C. and Gillison, M.L., J Clin Oncol, 2006. 24(17): p. 2606-11.
Gillison, M.L., J Natl Cancer Inst, 2000. 92(9): p. 709-20.
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3yr OS 82% vs 57% 3yr PFS 74% vs 43%
Ang NEJM 2010
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Risk Stratify by HPV, Tobacco and T/N Stage
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s St at y by V, obacco a d /N Stage
RPA
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3yr OS 93% vs 71% vs 46%
D D i ifi i f HPV
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Dose Deintensification for HPV+
Oropharynx Cancer
• ECOG 1308: Taxol/Carbo/C225 induction
– IF complete response decrease total dose GTV54Gy+C225
– IF partial response, standard dose 70Gy + C225
• RTOG: Phase III: 70Gy: Cisplatin vs Cetuximab
Cancer of the
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Cancer of the
Larynx/Hypopharynx
/Oral Cavity
Kenneth Hu,M.D.Beth Israel Medical Center
NY, NY
CARCINOMA OF THE LARYNXINCIDENCE OF LYMPH NODE METASTASES
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Site Incidence
INCIDENCE OF LYMPH NODE METASTASES
Supraglottis
Positive Nodes 55 %
Bilateral Nodes 16 %
Glottis
T1 < 2 %
T2 3-7 %
T3 15-20 %
T4 20-30 %
Subglottis 10-30 %
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T1-2NO GlotticTreatment Technique
LOCAL CONTROL OF T1
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BY FRACTION SIZE
0
20
40
60
80
100
0 2 4 6 8 10
L o c a l C o n t r o l ( % )
Time from Treatment (Yr.)
≥ 2.25Gy
1.8-1.99 Gy
2.0-2.24 Gy
< 1.8 Gy
94%
92%
81%
79%
P = 0.04
Le IJROBP 1997
LOCAL CONTROL OF T1 LESIONS
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BY OVERALL TIME
0
20
40
60
80
100
0 2 4 6 8 10
L o c a l C o n t r o l ( % )
Time from Treatment Yr.
≤ 43 D
> 50 D
44-50 D
98 %
84%
83%
p = 0.04
LOCAL CONTROL OF T2 LESIONS
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BY FRACTION SIZE
0
20
40
60
80
100
0 2 4 6 8 10
L o c a l C o n t r o l ( % )
Time from Treatment (Yr.)
≥ 2.25 Gy
2.0-2.24 Gy
1.80-1.99 Gy
< 1.80 Gy
LOCAL CONTROL OF T2 LESIONS
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BY OVERALL TIME
0
20
40
60
80
100
0 2 4 6 8 10
L o c a l C o n t r o l ( % )
Time from Treatment (Yr.)
≤ 43 D
44-50 D
> 50 D
100%
70%
66%
LOCAL CONTROL FOR T2 GLOTTIC
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BY CORD MOBILITY
0
20
40
60
80
100
0 2 4 6 8 10
L o c a l C o n t r o l ( % )
Time from Treatment (Yr.)
Normal
Impaired
79%
45%
p = 0.008
LOCAL CONTROL FOR T2 LESIONS
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LOCAL CONTROL FOR T2 LESIONS
BY SUBGLOTTIC EXTENSION
0
20
40
60
80
100
0 2 4 6 8 10
L o c a l C o n t r o
l ( % )
Time from Treatment (Yr.)
Without SGE
With SGE
SGE: Subglottic Extension
77%
58%
p = 0.02
RTOG 95-122006 ASTRO
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HYPERFRACTIONATION FOR
T2 VOCAL CORD CAS
T
RA
T
IF
Y
R
A
ND
O
M
I
Z
E
Stage
1. T2a
2. T2b
1. ConventionalFractionation:2 Gy/fx/d to70 Gy/35 fx/7 wks
LC:
2. Hyperfractionation:1.2 Gy/fx BID to79.2 Gy/66 fxs/6.5 wks
Supraglottic Larynx
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Supraglottic Larynx
Treatment
Carcinoma of the Supraglottis
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1st T1 T2 T3 T4AuthorHarwood 71 68 56 41-52
Wall 89 74 70 46
Mendenhall 100 81 (88) 61 (83) 33 (67)
Wang : Q.D. 74 61 56 29
B.I.D. 84 83 71 84
% Local Contro l w i th Radiotherapy
(and Surg ical Salvage)
R l f Ch th
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Role of Chemotherapy
for Larynx/Hypopharynx
Preservation
VA LARYNGEAL CA STUDY
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VA LARYNGEAL CA. STUDY
Surgery Radiation Therapy
PR Surgery
CR or PR (3rd Cycle Radiationof Chemo) Therapy
CR InductionChemotherapy(2 Cycles) < PR Surgery Radiation
Induction Chemotherapy: Cisplatin and 5-FU
RAN
DOMI
Z
E
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RTOG 91-11 Forastiere NEJM 2003
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Phase III Trial to Preserve the Larynx
S
T
RA
T
IF
Y
RA
N
DO
M
IZ
E
Location:
GlotticSupraglottic
T Stage:T2
T3
Early T4N Stage:
N0, N1
N2, N3
Arm 1 : Neoadjuvant CT + RT
CR, PR CP + 5-FURT
X 1 Cycle
CDDP + 5-FU X 2 Cycles
NR Surgery RT
Arm 2 : RT + CDDP
Arm 3 : RT Alone
RTOG 91-11
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VA CCRT RT
2 year Laryng-FS 75% 88% 70%
2 year LR control 61% 78% 56%
5 year DM 15% 12% 22%
5-yr. Survival 55% 54% 56%
RTOG 91 11
* Estimated from survival curves
Median F/U 3.8 years
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• University of Florida
• 101 pts with T1-2 Pyriform sinus SCC
• Minimum f/u 2yrs; 87% 5yr f/u.• RT alone:conventional fractionation to 66Gy or
hyperfractionated 1.2 bid to 74Gy
• Planned neck dissection if LN+
Amdur Head Neck 2001
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T1
T2
Stage I
IVb
III
IVa
II
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• 202 pts (Stage III: 57%, IV:37%)
– Arm A: Surgery (TL+PP)
post-op RT – Arm B: CDDP/5FU x 2-3 cycles if
CR RT 70Gy/7wks alone
• 54% CR after induction chemotherapy
– T2=82% (n=22); T3=48% (n=71), T4=0%(n=4)
J Natl Cancer Inst 88:890-9,1996
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Results
• Median F/U 51mo’s
• Local failure arm A:B 12%:17% (p=ns)
• Regional failure arm A:B 19%:23% (p=ns)
• Distant Metastasis:A:B 36%:25% ( p=0.04)
• Median OS arm A:B 25mo: 44mo’s
• 5yr OS arm A:B 35%:30% (p=ns)
• Larynx Preservation 3yr/5yr: 42%/35%
GORTEC 2000-01 Phase III: Induction TPF vs PF
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for Organ Preservation in Hypopharyx/Larynx
• 213 LX or HPX requiring Total Laryngectomy
• Randomized to 3 cycles:
– PF: CDDP (100mg/m2/d1) and 5 Fluorouracil(100mg/m2d1-5) q 3wks
– TPF: Taxotere (75/mg/m2d1),CDDP (75mg/m2/d1)
and 5 Fluorouracil (750mg/m2d1-5) q 3wks
• If CR or PR & recovery of normal vocal cord mobility
RT 70Gy/7wksCalais, G. et al ASCO 2006
Multidisciplinary Head and Neck Symposium, 2010
GORTEC 2000 01:Results
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GORTEC 2000-01:Results
• Median F/U 61 mo’s
• Compliance 82% (TPF) vs 67% (PF)
• Overall response: 83% (TPF) vs 61% (PF) (p=0.0013)
• Complete response: 61% (TPF) vs 47% (PF)
• 5yr Larynx Preservation:74% (TPF) vs 51% (PF)• 5yr Larynx and esophageal dysfunction free survival measured
by VHI and EORTC QOL 30
– 60% (TPF) vs 39% (PF) (all)
– 36% (TPF) vs 21% (PF) (alive)
– 8% PEG; 3% trach
IMRT: Earl Stage Glottic Lar n
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IMRT: Early Stage Glottic Larynx
• Advantage: – Carotid sparing
• Disadvantage:
– Geographical miss from contouring or intrafraction
motion
– Toxicity from dose inhomogeneity
Gomez Radiat Oncol 2010
Chera IJROBP 2010
Rosenthal IJROBP 2010
IMRT: T1 Glottic Ca
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3F-IMRT 2F-Conventional
R carotid a
D50 8Gy vs 60Gy
IMRT2D
D50: 60Gy
Inferior Constrictor D50 48Gy vs 61.5Gy
D50: 8Gy
IMRT for Advanced Stage Lx/HPX
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IMRT for Advanced Stage Lx/HPX
– Studer IJROBP 2011
– Miah IJROBP 2011
– Lee IJROBP 2007
Daly Head and Neck 2011
Toxicity IMRT Larynx/Hypopharynx
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Med F/U PEG-d Trach/TL Esoph
Stenosis
Aspiration
Risk
Lee 26mo 26% 3% (gr 5)
Studer 21mo 3% 3%/2%
Daly 30mo 2% 17%
Miah 36mo 5% 17%
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T4 N+ Gl tti
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T4a N+ Glottic
Supraglottic
Surgery Preferred +Post-OP
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Treatment Paradigm
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Upfront surgical
resection followed byradiation +/-
chemotherapyIs the preferredtreatment of choice
Oral Cavity Cancer
Post Op Radiation Therapy(PORT)
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(PORT)
• Intermediate risk factors: oral
cavity,multiple nodes, LVI, PNI,
level IV nodes, close margins, T3-4
• High risk factors: ECE or positive
margins• Low risk: early stage, single node,
no adverse pathologic factors
Post Op Radiation Therapy (PORT)
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p py ( )
• Primary: – Close or + Margin,
– PNI, LVI
– T3/4
– Oral cavity/Hypopharynx
• Lymph Node
– Extracapsular spread
– Multiple nodes
– Low level IV nodes
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IJROBP 2001
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High risk and total treatment time
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EORTC and RTOG Phase III Studies
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CDDP + RT vs RT for High Risk Post-
op
High Risk Post-op:
EORTC 22931 : ECE, +margin, LVI, PNI, Level IV/V
if OC,OPX, Stage III/IV
RTOG 95-01 : ECE, +
margin, multiple nodes
60-66Gy in 2Gy fractions
60-66Gy in 2Gy fractions
+
CDDP 100mg/m2 wk 1,4,7
Cooper NEJM 2004; Bernier NEJM 2004
Post-operative Chemoradiation vsRadiation: Phase III Trials
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RTOG95-01 EORTC22931
# patients 459 334
OPX /OC/ /LX/HPX 42%/27%/21%/10% 30%/26%/22%/20%
% T3-4 61% 66%
% N2-3 94% 57%
% with ECE and/or +margins
59% 70%
RT: %receiving 66Gy 13% 91%
Post-op CT/RT vs RT: Results of
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Post op CT/RT vs RT: Results of
EORTC/RTOG Phase III TrialsRTOG95-01 EORTC22931
Median follow up 46mo 60 months
Locoregional failure
Outcomes(CT/RTvs RT)
3yr: 22% vs 33% (p=0.01)
Outcomes(CT/RTvs RT)
5yr: 18%vs 31% (p=0.007)
Disease-free Survival 3yr: 47% vs 36% (p=0.04) 5yr: 47% vs 36% (p=0.04)
Overall Survival 3yr: 56% vs 47% (p=0.09) 5yr: 53% vs 40% (p=0.02)
Distant Metastases 3yr: 20% vs 23% (P=0.46) 5yr: 21% vs 24% (p=0.61)
>Grade 3 acute toxicity 77% vs 34% (p<0.0001) 44% vs 21% (p=0.001)
All late toxicity 21% vs 17% (p=0.29) 38% vs 41% (p=0.25)
RTOG 0234 Ph II R d i d T i l f
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RTOG 0234: Phase II Randomized Trial of
Post-op Chemoradiation plus C225 forHigh Risk SCC of Head and Neck
• 203 pts with ECE (59%),+ margin (41%),or >2LN+
• 60Gy: C225+cddp vs C225+taxotere
• Median f/u 2.5yrs
Kies ASTRO 2009
R lt RTOG 0234
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Results: RTOG 0234
CDDP/C225 Taxotere/C225
Locoregional failure 2yr: 21% 2yr: 20%
Disease-free Survival 2yr: 57% 2yr: 66%
Compared to 95-01
(Cddp+RT)
HR 0.85 p=0.19 HR 0.72 p=0.031
Overall Survival 2yr: 69% 2yr: 79%
Distant Metastases 2yr: 26% 2yr: 13%
>Grade 3 acute
heme/derm/mucositis 28%/39%/37% 14%/39%/33%
RTOG 0920:Randomized Study of Post-op RT
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y p
+/_ C225 in
Intermediate Risk Patients
• Close Margins, Multiple Nodes, LVI, PNI• 2 arms:
– Post-op RT 60-66Gy
– Post-op RT 60-66Gy + 11 weeks of C225(loading, during RT and 4 weeks after RT)
Definitive Treatment of Oral Cavity
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y
Cancer: Brachytherapy
• Definition: Direct placement of radiation
isotopes into a tumor
• Optimal therapeutic ratio (dose to tumor:
dose to normal tissue)
– High dose conformality – Dose escalation (77-80Gy)
Disadvantages of
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g
Brachytherapy• Treats limited volumes
• Requires special expertise
• Radiation Exposure to Hospital Personnel (lowdose rate)
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Oral Tongue Cancer
Local Control Comparison
R di i S
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0
10
20
30
40
50
60
70
80
90
T1 T2 T3
RT (Curie)
Surg (MSKCC)
Radiation vs. Surgery
Decroix Cancer 1981
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Conclusion
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• Pathologic risk stratification established
• LVI/PNI/Multiple LN without ECE/close marginsrequire RT ? Benefit of C225
• ECE or Positive Margins need addition ofchemotherapy (high dose cddp) to RT
• Brachytherapy should be considered in definitivelytreated oral cavity cancers