Longitudinal Assessment of Cancer-related Fatigue: When to use it? What does it add? Charles S....
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![Page 1: Longitudinal Assessment of Cancer-related Fatigue: When to use it? What does it add? Charles S. Cleeland, PhD Department of Symptom Research The University.](https://reader036.fdocuments.us/reader036/viewer/2022072006/56649f475503460f94c6996d/html5/thumbnails/1.jpg)
Longitudinal Assessment of Longitudinal Assessment of Cancer-related Fatigue:Cancer-related Fatigue:
When to use it? What does it add?When to use it? What does it add?
Charles S. Cleeland, PhDCharles S. Cleeland, PhD
Department of Symptom ResearchDepartment of Symptom Research
The University of Texas The University of Texas M. D. Anderson Cancer CenterM. D. Anderson Cancer Center
![Page 2: Longitudinal Assessment of Cancer-related Fatigue: When to use it? What does it add? Charles S. Cleeland, PhD Department of Symptom Research The University.](https://reader036.fdocuments.us/reader036/viewer/2022072006/56649f475503460f94c6996d/html5/thumbnails/2.jpg)
Fatigue Related To Cancer Fatigue Related To Cancer TreatmentTreatment
Severe fatigue may be an issue for a defined Severe fatigue may be an issue for a defined period of time – treatment and posttreatmentperiod of time – treatment and posttreatment
Fatigue related to cancer treatment is:Fatigue related to cancer treatment is: a major problem for cancer patientsa major problem for cancer patients a major toxicity of cancer treatmenta major toxicity of cancer treatment a reason for treatment delays or discontinuationa reason for treatment delays or discontinuation
Treatment-related fatigue is an excellent target Treatment-related fatigue is an excellent target for a wide variety of interventionsfor a wide variety of interventions
![Page 3: Longitudinal Assessment of Cancer-related Fatigue: When to use it? What does it add? Charles S. Cleeland, PhD Department of Symptom Research The University.](https://reader036.fdocuments.us/reader036/viewer/2022072006/56649f475503460f94c6996d/html5/thumbnails/3.jpg)
Measurement IssuesMeasurement Issues
Need for multiple measurements across a Need for multiple measurements across a specified periodspecified period
Calls for use of a minimal number of itemsCalls for use of a minimal number of items Need for methods of analysis that portray Need for methods of analysis that portray
the critical time elementthe critical time element Missing data can be a problemMissing data can be a problem
![Page 4: Longitudinal Assessment of Cancer-related Fatigue: When to use it? What does it add? Charles S. Cleeland, PhD Department of Symptom Research The University.](https://reader036.fdocuments.us/reader036/viewer/2022072006/56649f475503460f94c6996d/html5/thumbnails/4.jpg)
FatigueFatigue and and PainPain under Cancer Therapies under Cancer TherapiesOther MDASI Items:Other MDASI Items: SleepSleep, , DistressDistress, , Shortness of BreathShortness of Breath
NSCLC Post Thoracic Surgery WeeksNSCLC Post Thoracic Surgery Weeks
AML/MDS Allo-HSCT DaysAML/MDS Allo-HSCT Days
NSCLC Chemo-radiation DaysNSCLC Chemo-radiation Days
GI Chemo-radiation DaysGI Chemo-radiation Days
![Page 5: Longitudinal Assessment of Cancer-related Fatigue: When to use it? What does it add? Charles S. Cleeland, PhD Department of Symptom Research The University.](https://reader036.fdocuments.us/reader036/viewer/2022072006/56649f475503460f94c6996d/html5/thumbnails/5.jpg)
Top 4 Symptoms in Head and Neck CancersTop 4 Symptoms in Head and Neck Cancers
Sev
erity
Weeks
0
2
4
6
8
10taste fooddry mouthfatiguemucus
XRT Only (n=46)
Burkett et al, 2007, unpublished data
Sev
erity
END 0 1 2 3 4 5Tx
7 8 9 10
Weeks
0
2
4
6
8
10
0 1 2 3 4 5Tx
7 8 9 10END
Chemo + XRT (n=48)
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Example: Fatigue Severity Across Time Example: Fatigue Severity Across Time F
atig
ue
Sev
erit
y
0 1 2 3 4 5 End of Tx
7 8 9 10
Time Point
0
1
2
3
4
5
6
7
ChemoXRT (n=48)XRT only (n=46)
Pre/Post Outcome MeasuresPre/Post Outcome Measures
• Benefits• Ease of data gathering • No need keep track of
patients across a treatment regimen
• Less resource utilization (e.g., staff burden)
• Drawbacks• Limited in scope• Lose impact of symptom
between assessments• Partial picture of symptom
expression
t (93)= -.032, p = .97
Burkett et al, 2007, unpublished data
x= 2.04
x= 2.02
PRE
POST
![Page 7: Longitudinal Assessment of Cancer-related Fatigue: When to use it? What does it add? Charles S. Cleeland, PhD Department of Symptom Research The University.](https://reader036.fdocuments.us/reader036/viewer/2022072006/56649f475503460f94c6996d/html5/thumbnails/7.jpg)
Fatigue Area Under the Curve (AUC): Fatigue Area Under the Curve (AUC): Effectively Combining Severity and TimeEffectively Combining Severity and Time
Longitudinal DataLongitudinal Data• Frequent assessment is
invaluable• Enables tracking of symptoms
across treatment regimens• Provides picture of symptom
change as the treatment and recovery progresses
Area Under the CurveArea Under the Curve • Single value represents time and
symptom severity• Compares groups using standard
statistical methods• Compensates for missing data
Burkett et al, 2007, unpublished data
0
10
20
30
40
50
60
Bas
elin
e
Wee
k 2
Wee
k 3
Wee
k 4
Wee
k 5
End
of
Tx
Wee
k 7
Wee
k 8
Wee
k 9
Wee
k 1
0
Timepoint
Ave
rage
Fat
igue
AU
C
CXRT (n=48)
XRT Only (n=46)
t (93)=6.41, p = .04 *
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SummarySummary
Longitudinal measurement using a single Longitudinal measurement using a single item can describe a symptom over a item can describe a symptom over a critical time periodcritical time period
We need different ways of thinking about We need different ways of thinking about summarizing the datasummarizing the data
Frequent measurement is a challengeFrequent measurement is a challenge Diaries have inherent problemsDiaries have inherent problems ePRO may be the best way to captureePRO may be the best way to capture