DERIVING UTILITY VALUES FROM THE GENERAL POPULATION FOR INDUCTION CHEMOTHERAPY ADMINISTERED BEFORE CONCURRENT CHEMOTHERAPY-RADIATION THERAPY IN THE TREATMENT OF HEAD AND NECK CANCER

Author(s)

Anna Cordony, BAgEc(Hons), Health Outcomes Project Manager1, Cammy Yuen, BPharm, Head of Health Outcomes and Reimbursement1, Georgie Kovacs, BCom, BSc, Senior Health Outcomes Consultant2, Carmel Guarnieri, BSc, BSocSc, Health Outcomes Consultant2, Jane Adams, BA(Hons), PhD, Engagement Manager21Sanofi-Aventis Australia, Macquarie Park, NSW, Australia; 2 IMS Health, St Leonards, NSW, Australia

OBJECTIVES: To derive Australian utility values for different health states associated with a new treatment regimen used as induction chemotherapy before concurrent chemoradiation for patients with locally advanced squamous cell carcinoma of the head and neck (SCCHN).METHODS: As head and neck cancer includes over 30 specific sites of cancer, for simplicity, the study focused on oropharyngeal cancer. This reduced the need to present multiple attributes in each scenario, and reduced complexity of the study with the aim of preventing cognitive overload among respondents. 86 participants were recruited by an independent research company. They ranged from 18–77 years (mean age 44 years). Participants were presented information about locally advanced SCCHN, as well as cancer of the oropharynx and its treatment. Participants were then presented with 10 health states describing locally advanced cancer of the oropharynx and its chemotherapy treatment and were asked to value these using a standard gamble technique. RESULTS: The results showed that participants successfully valued the health states, applying values derived for the main four health states (baseline, responding, non-responding and disease progression) and their varying toxicity levels in a logical sequence. Utility values ranged from 0.67 (SD= 0.24) for treatment response, 0.65 (SD=0.24) at baseline, 0.60 (SD=0.27) for non-response, and 0.48 (SD = 0.23) for a patient experiencing disease progression. When mild, moderate and severe toxicities were added, face validity of results showed the standard gamble instrument was sensitive to these differences.CONCLUSIONS: Within the broad term ‘head and neck cancer’, tumours are biologically similar as are some of the associated symptoms of disease. As such, it could be expected that the same incremental differences in utilities could be derived for health state scenarios using the same treatment for SCCHN but arising in alternate tumour sites such as the hypopharynx, oral cavity or larynx.

Conference/Value in Health Info

2008-11, ISPOR Europe 2008, Athens, Greece

Value in Health, Vol. 11, No. 6 (November 2008)

Code

PCN77

Topic

Patient-Centered Research

Topic Subcategory

Patient-reported Outcomes & Quality of Life Outcomes

Disease

Oncology

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