Background We validated the new European Organisation for Research and Treatment of Cancer Quality of Life Head and Neck Module (EORTC QLQ‐HN43). Methods We enrolled 812 patients with head and neck cancer from 18 countries. Group 1 completed the questionnaire before therapy, and 3 and 6 months later. In group 2 (survivors), we determined test–retest reliability using intraclass correlation coefficients (ICC). Internal consistency was assessed using Cronbach's Alpha, the scale structure with confirmatory factor analysis, and discriminant validity with known‐group comparisons. Results Cronbach's alpha was >0.70 in 10 of the 12 multi‐item scales. All standardized factor loadings exceeded 0.40. The ICC was >0.70 in all but two scales. Differences in scale scores between known‐groups were >10 points in 17 of the 19 scales. Sensitivity to change was found to be sufficient in 18 scales. Conclusions Evidence supports the reliability and validity of the EORTC QLQ‐HN43 as a measure of quality of life.

e11599 Background: Although the efficacy of both radiation and tamoxifen (TAM) in early-stage breast cancer is well established, data are lacking about the impact of this sequence on outcomes, including local recurrence and complications of therapy. These are questions of practical importance in the treatment of breast cancer patients, many of whom require both radiation (RT) and adjuvant TAM. Methods: 160 eligible patients were prospectively randomized 1:1 into two groups: The control group (80 patients) , containing one arm (C) received sequential TAM and RT and the intervention group which was further subdivided into arm (A) (40 patients), received concurrent TAM 20 mg/day with RT, arm( B) (40 patients), received concurrent TAM + Pentoxifylline (PTX) ( 800 mg/day )+ Alpha-Tocopherol (AT) (1000 U/day) and RT. The primary endpoint was to compare the radiation induced pulmonary fibrosis using serial high resolution computed tomography (HRCT) and the role of the PTX and AT combination in reduction of pulmonary fibrosis, the secondary endpoint was to evaluate loco-regional control in the three arms usingChi-Square test, Fisher’s exact test, Log rank test andAnova test. Results: Analysis of the incidence of clinical pneumonitis was 25% in arm A ( TAM) , 12.5% in arm B (TAM+PTX+AT) and 18.8% in arm C (control) with p=.110. The incidence of lung fibrosis was 26.5% in arm A( TAM) , 12.9% in arm B (TAM+VIT.E) and 23.4% in arm C (Control) with p=.608. As regard loco-regional relapse, the preliminary result, revealed no significant difference in the 3 arms (1.3% in control arm, 5 % in TAM, 2.5% in TAM+VIT) (p=.827). Conclusions: It seems that the interaction between tamoxifen and radiotherapy could affect the tissue remodeling rather than the damage induction step of the radiation pathogenesis. In this case, temporal separation of the two modalities (Concurrent Versus Sequential) may not make much difference in the incidence of radiation induced lung fibrosis.

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Background Prostate cancer is the most common malignancy in men. Patients with localized prostate cancer have multiple treatment options including active surveillance, prostatectomy, brachytherapy, and external beam radiation therapy (EBRT). Aim of the Work: to report on the quality of life outcomes in a number of male patients who underwent intensity modulated radiation therapy (IMRT) for clinically localized cancer prostate, compared to patients underwent 3D CRT, using licensed Arabic version of FACT-P questionnaire. Patients and Methods The present study included 103 patients diagnosed by localized prostate cancer. Patients files were collected from International medical center and oncology department at Ain Shams University hospital from June 2018 to December 2018. They were divided into two groups: Group I consisted of 51 patients treated using 3D CRT, all of them are under hormonal treatment. They completed a questionnaire at (Month 0) baseline, then on the followup visit, after 3, 6 months (Month 3, 6). Group II consisted of 52 patients treated by IMRT and hormonal treatment, the same dose range and field as 3D CRT. They participated and completed the questionnaire at the same phases (Month 0, 3, 6) with the same methods as the 1st group. Results stability in HRQoL (social and emotional subscales) in 3DCRT and the IMRT groups, and no significant difference among the two groups was observed throughout the follow-up period, although the radiation doses prescribed differed from one another. And showed a significant improvement in scores of (physical, functional and prostate concerns) subscales. Conclusion The two approaches used in this study showed similar patterns of alterations regarding general and disease specific HRQL with mild superiority for IMRT for the first 6 months after radiation therapy. Comparison of results between the 3DCRT and the IMRT groups revealed no substantial degrees of impairment in rectal toxicity and sexual function despite the dose escalation in the IMRT protocol. Thus, IMRT seems to offer a good treatment delivery approach with favorable HRQL outcomes.