session 4: quality of life and targeted therapy. panel: christoph zielinskiviennaaustrialecture jan...
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Session 4:
Quality of
life and
targeted
therapy
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Panel:
Christoph Zielinski Vienna Austria lecture
Jan Vermorken Antwerp Belgium
Jeffrey Myers Houston Texas, USA
Lisa Licitra Milano Italy
Johan Wennerberg Lund Sweden moderation
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Health:
"Health is a state of complete physical, mental and
social well-being and not merely the absence of
disease or infirmity is a fundamental human right.”
WHO, 1948
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Disability:
"... any restriction or lack (resulting from an
impairment) of ability to perform an activity in the
manner or within the range considered normal for
a human being."
WHO 1980
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QoL:
"Quality of life refers to patient's appraisal of and
satisfaction with their current level of functioning as
compared to what they perceive to be a possible ideal.”
(Cella & Tulsky. Measuring quality of life today: Methodological aspects. Oncology 1990;4(5):29-38)
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How do we measure QoL?
E. Hammerlid, thesis, 1997
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How do we measure H&N QoL?
E. Hammerlid, thesis, 1997
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EORTC QLQ-C30 (version 3)
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EORTC QLQ-C30 (version 3)
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EORTC QLQ-C30 (version 3)
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EORTC QLQ-C30 (version 3)
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Whats the Quality of Life for H&N Ca Patients?
Survivors vs. Non-survivors
Time point
1 year
6 months
3 months
Diagnosis
Me
an
sco
re
100
90
80
70
60
50
40
30
20
10
0
Physical function
Survivors
Died 1-5 y
Died 6-12 m
Died 3-6 m
Died 0-3 mMats Nordgren, Thesis: HRQL in H&N Ca; A five-year prospective multicenter study, 2005
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HRQL in oral cancer survivors
Single items (QLQ-H&N35)
Time point
5 years
1 year
6 months
3 months
Diagnosis
Me
an
sco
re
100
90
80
70
60
50
40
30
20
10
0
Survivors
dry mouth
sticky saliva
open mouth w ide
Mats Nordgren, Thesis: HRQL in H&N Ca; A five-year prospective multicenter study, 2005
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Targeted therapy – Therapeutic strategies
Signal transduction pathways
EGFR
Antiangiogenesis
VEGF
Unique metabolic requirements
Iodine 131
Hypoxic cell sensitizers
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Promises for the future!
Targeted therapy!Advertisment, EJC 2006;42
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Depicting a bright
future …
Advertisment, Acta Oncologica 2005; 44
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What’s the base of evidence?
#1 Carcinoma, Squamous cell [mh] 71 413#2 Head and Neck Neoplasms [mh] 161 362#3 #1 OR #2 199 717
#4 Quality of Life [mh] 50 229#5 HRQL [tw] 848#6 #4 OR #5 50 365
#7 Targeted therapy 19 688
#8 #3 AND #6 AND #7 8
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Questions to consider:
- Which are the common types of toxicity induced through „targeted“ treatment?
- Can we reduce chemotherapeutic dosage – and thereby toxicity - by adding targeted drugs to the treatment regimen?
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Issues to discuss (1):
- The learning curve to handle toxicities
- The relationship of QoL and survival in targeted therapy
- Which evidence level (1-8) has the data collection?
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Issues to discuss (2):
- May QoL (QLQ C-30; H&N35) serve as an outcome end point?
- Can we anticipate new toxicities?
- QoL v.s. cost/benefit of targeted therapy.
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What can we expect to achieve?
Advertisment, EJC 2006;42
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”Is our enthusiasm adequate?”