added value of patient-reported outcomes: an industry
TRANSCRIPT
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Added value of Patient-Reported Outcomes: An Industry Perspective
Ingela Wiklund, PhD, ProfessorSenior Principal Scientist
Outcomes ResearchAstraZeneca
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Recognize reflux disease
• Underdiagnosed
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Beyond the reflux disease landscape
• Reflux esophagitis• Symptomatic reflux disease• Sleep disturbances• Acid asthma• Laryngithis• Non cardiac chest pain
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Symptoms last 30 days in heartburn sufferers
• 55% burning sensation in the chest• 39% throat clearing• 36% chronic sinus condition• 20% feeling having a heart attack• 18% hoarse voice• 16% chronic coughing• 13% asthma
AGA Gallup survey, 2002
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Understanding heartburn
• 65% experience day-and nighttime heartburn• Nighttime heartburn is the most prominent• Nighttime heartburn significantly impacts on
sleep• 40% detect an impact on the ability to work• Most sufferers have consulted a doctor
AGA Gallup survey, 2002
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Heartburn from two perspectivesInflamed oesophagus
Normal oesophagus
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Recognize reflux disease
• Underdiagnosed• Not recognized as a
true medical condition
• Trivialized
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Recognize reflux disease
• Underdiagnosed• Not recognized as a
true medical condition
• Trivialized• Not well treated
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Symptoms of GERD reported during four weeks of treatment with prescription heartburn medication
(n=11 604)
Symptoms n %
Daily heartburn 7119 61.3
Night-time heartburn 6762 58.3
Acid reflux 7012 60.4
Difficulty swallowing 2263 19.5
Abdominal pain 3569 30.8
Crawley JA et al.JCOM 2000:7:29-34.
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Recognize reflux disease
• Underdiagnosed • Improve diagnosis
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Why a diagnostic symptom based tool?
A diagnostic questionnaire such as RDQ can:• facilitate a reflux diagnosis in general practice • improve care by helping physicians identify reflux
disease sufferers • increase the likelihood of patients receiving the right
treatment
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Recognize reflux disease
• Underdiagnosed• Not recognized as a
true medical condition
• Trivialized• Not well treated
• Improve diagnosis• Raise awareness of
burden to patients and society
• Counteract trivialization
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Patient quotes:
”I feel I am ”crazy”. I can’t have so much disability when all the tests carried out are almost normal.”
”Unable to carry out usual household responsibilities.”
”Needs help as symptoms are often started by various positions, i.e. bending over.”
”Missing time from work, often requires help from co-workers to carry out responsibilities.”
”Severe anxiety when invited to dinner due to worry of not being able to tolerate the food.”
”I feel the disease is ruining my life.”
”I’m unable to go to dinner with others.”
”I have trouble getting to sleep.”
”I feel my family’s life is disrupted.”
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A comparison of HRQL dimensions in patients with reflux disease before treatment
Mean HRQL scores (SF-36)
Kulig M et al. Qual Life Res 2002;11:649(A111).
0102030405060708090
100
Mean score
Physfunction
Role-physical
Bodily pain
Generalhealth
Vitality Socialfunction
Roleemotion
· · German normal population
· ··
· ·
· ·
Mentalhealth
·
Endoscopy negative, n=2660Endoscopy positive, n=2900Confirmed Barretts, n=280
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Mean SF-36 scores in GERD patients compared to US norms and to other chronic conditions
Wiklund I et al.Expert Rev Pharmacoeconomics Outcomes Res 2003;3:341-350.
US population (n=2474)GERD End- (n=256)GERD End+ (n=198)Asthma (n=110)DM (n=541)CHF (216)
0
20
40
60
80
100
Phys. fu
nct.Role
phys.
Bodily pain
Genera
l hea
lthMen
tal hea
lthRole
emot.
Vitality
Social fu
nct.
Best
Worst
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GERD symptoms incur a substantial impairment in productivity important to health officials,
employers and patients% reduced productivity
0
10
20
30
40
50At workDaily activities
Mild Moderate SevereNo heartburnSymptom severity (N=136)
Wahlqvist P, et al. Medical Decision Making 1999;19:532.
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Recognize reflux disease
• Improve diagnosis• Raise awareness of
burden to patients and society
• Counteract trivialization
• Show superiority of effective treatment
• Underdiagnosed• Not recognized as a
true medical condition
• Trivialized• Not well treated
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A comparison of HRQL dimensions in patients with reflux disease after two weeks treatment with esomeprazole
Mean SF-36 scores
0102030405060708090100
Mean score
Physfunction
Role-physical
Bodily pain
Generalhealth
Vitality Socialfunction
Roleemotion
· · German normal population
· ··
· ·
· ·
Mentalhealth
·
Endoscopy negative, n=2660Endoscopy positive, n=2900Confirmed Barretts, n=280
Kulig M et al. Qual Life Res 2002;11:649(A111).
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Sleep dimension scores (QOLRAD) along time
6,6
5,7
6,4
3
3,5
4
4,5
5
5,5
6
6,5
7
Visit E Visit R 3 monthsvisit
Final visit
Nexium 20 mgon-demandNexium 20 mgContinuousRanitidine 150mg b.i.d
p<0.0001
Norwegian ONE Study
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***
* p≤0.01 vs placebo, ** p≤0.001 vs placebo (ANCOVA)
Improvement on QOLRAD dimensions NASA 1
** * *
** * *
0.00.20.40.60.81.01.21.41.61.82.0
Emotionaldistress
Sleepdisturbance
Food/drinkproblems
Vitality Physical/socialfunctioning
Improvement
*
PlacebooE20 mgE40 mg
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Sound ScienceClearly Communicated
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• No or poor validation• ”Fishing expedition”• PROs thrown into the
study as an afterthought
Today• Items derived from
patients directly• Psychometrically well
validated scientific tools• Clear hypothesis• Well-integrated into the
study protocol from the start
Yesterday• Investigator compiled
ad hoc tools
The evolution of the use of PROs in clinical trials yesterday and today
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Evidentiary requirements for PRO outcomes• Well-documented rationale for the outcome and measure• Clear objectives and hypotheses• Reliable and valid instruments• Appropriate observation intervals• Adequate sample size• A priori data analysis plan (statistical & clinical significance)• Careful implementation• Interpretable results relative to clinical parameters• Full and honest disclosure• No more and no less than the requirements for clinical
efficacy endpointsAdapted from Leidy et al., Value in Health, 1999; ISOQOL, 2000; Harmonization Meeting, 2002
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Price is what you pay
Value is what you get!!!
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Value messages
• Relieves pain– Less pain with activity– Less difficulty with activity
• Improves functioning• Improves well-being• Improves health-related quality of life• Improves satisfaction with treatment
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Communicating value
• Scientific Dissemination• Direct To Consumer Marketing
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“I’m sorry doctor, but again I have to disagree”