Impact of radiation-induced xerostomia on quality of life after primary radiotherapy among patients with head and neck cancer

  • Anke Petra Jellema*
  • , Ben J. Slotman
  • , Patricia Doornaert
  • , C. Rene Leemans
  • , Johannes A. Langendijk
  • *Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    206 Citations (Scopus)

    Abstract

    Purpose: To investigate the impact of xerostomia on overall quality of life (QoL) outcome and related dimensions among bead and neck cancer patients treated with primary radiotherapy.

    Methods and Materials: A total of 288 patients with Stage I-IV disease without distant metastases were included. Late xerostomia according to the Radiation Therapy Oncology Group (RTOG-xerostomia) and QoL (European Organization for Research and Treatment of Cancer QLC-C30) were assessed at baseline and every 6th month from 6 months to 24 months after radiotherapy.

    Results: A significant association was found between RTOG-xerostomia and overall QoL outcome (effect size [ES] 0.07, p <0.001). A significant relationship with global QoL, all functioning scales, and fatigue and insomnia was observed. A significant interaction term was present between RTOG-xerostomia and gender and between RTOG-xerostomia and age. In terms of gender, RTOG-xerostomia had a larger impact on overall QoL outcome in women (ES 0.13 for women vs. 0.07 for men). Furthermore, in women ES on individual scales were larger, and a marked worsening was observed with increasing RTOG-xerostomia. No different ES according to age was seen (ES 0.10 for 18-65 years vs. 0.08 for >65 years). An analysis of the impact of RTOG-xerostomia on overall QoL outcome over time showed an increase from 0.09 at 6 months to 0.22 at 24 months. With elapsing time, a worsening was found for these individual scales with increasing RTOG-xerostomia.

    Conclusions: The results of this prospective study are the first to show a significant impact of radiation-induced xerostomia on QoL. Although the incidence of Grade >= 2 RTOG-xerostomia decreases with time, its impact on QoL increases. This finding emphasizes the importance of prevention of xerostomia. (C) 2007 Elsevier Inc.

    Original languageEnglish
    Pages (from-to)751-760
    Number of pages10
    JournalInternational Journal of Radiation Oncology Biology Physics
    Volume69
    Issue number3
    DOIs
    Publication statusPublished - 1-Nov-2007
    Event48th Annual Meeting of the American-Society-for-Therapeutic-Radiology-and-Oncology (ASTRO) - , Panama
    Duration: 5-Nov-20069-Nov-2006

    Keywords

    • xerostomia
    • quality of life
    • radiotherapy
    • head and neck cancer
    • PAROTID-GLAND FUNCTION
    • EUROPEAN-ORGANIZATION
    • SPARING RADIOTHERAPY
    • SALIVARY-GLAND
    • EORTC
    • THERAPY
    • VOLUME
    • QUESTIONNAIRE
    • PRESERVATION
    • CHEMOTHERAPY

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