Overview
The FKSI-23 is a brief symptom index for assessing quality of life for localized and advanced kidney cancer patients comprised of items from the FACIT Measurement System. It is composed of 23 items.
MEASURE NAME:
Functional Assessment of Cancer Therapy Kidney Cancer Symptom Index - 23 Item Version (FKSI-23)
VERSION:
1
NUMBER OF ITEMS:
23
PATIENT POPULATION:
Kidney cancer patients 18 years and older
RECALL PERIOD:
Past 7 days
RESPONSE SCALE:
5 point Likert-type scale
DATA COLLECTION:
Paper and electronic
ADMINISTRATION:
Self-administration and interview when applicable
SUBSCALE DOMAINS:
Disease-Related Symptoms (Physical), Disease-Related Symptoms (Emotional), Treatment Side-Effects, Functional Well-Being, RCC
TIME FOR COMPLETION:
5-10 minutes
SCORING:
Manual scoring template, some items are reverse scored. Subscale and total scores possible.
RELATED MEASURES:
Language Availability
Available translations of the FKSI-23 can be obtained by registering for permission. Users are not permitted to translate the FKSI-23 without permission from FACIT.org. Permission from FACIT.org to translate the FKSI-23 may also be contingent upon timeline expectations and availability of FACIT staff. Translations must undergo a rigorous methodology under the guidance of FACIT.org which includes multiple translators, QA steps and cognitive interviews with patients. For commercial use, FACITtrans is the approved translation vendor to translate the FACIT measurement system.
Please contact us for more information.
Licensing
Licensing fees are assessed on a per trial/per measure basis for commercial use. There is no fee for use of the English version, but a license should be obtained.
Non-commercial use is assessed on a case-by-case basis. Licensing fees are typically not applied to investigator-initiated research, students, or clinical use.
To license an available version of this measure for commercial or non-commercial use, please complete our registration form. All of the information provided in the form will be kept strictly confidential. For questions, please contact us.
Selected References
Cristiane Decat Bergerot et al. Development of a FKSI-23: A new bespoke health-related quality of life (HRQOL) questionnaire for the advanced and adjuvant setting in renal cell carcinoma (RCC). JCO 43, 526-526(2025). DOI:10.1200/JCO.2025.43.5_suppl.526
Bonomi, A.E., Cella, D.D., Hahn, E.A., Bjordal, K., Sperner, B., Gangeri, L., Bergman, B., Willems, J.,
Hanquet, P., & Zittoun, R. Multilingual translation of the Functional Assessment of Cancer Therapy
(FACT) quality of life measurement system. Quality of Life Research 1996; 5: 309-320.
Eremenco, S., Arnold, B., Cella, D. A comprehensive method for the translation and cross-cultural validation of health status questionnaires. Evaluation & the Health Professions 2005; 28(2): 212-232.
Webster K., Cella D., Yost K. The Functional Assessment of Chronic Illness Therapy (FACIT) measurement system: Properties applications, and interpretation. Health and Quality of Life Outcomes 2003; 1(1): 79-85.
Yost K.J., Eton D.T. Combining distribution- and anchor-based approaches to determine minimally important differences: The FACIT experience. Evaluation & the Health Professions 2005; 28(2): 172-191.
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