Virtual Library

 x 
My Library Virtual Library FAQ

Start Your Search

A. Chittalia



Author of

  • +

    O14 - Radiotherapy - Toxicity and Clinical Trials (ID 105)

    • Event: WCLC 2013
    • Type: Oral Abstract Session
    • Track: Radiation Oncology + Radiotherapy
    • Presentations: 1
    • +

      O14.06 - Investigation of a Patient Reported Outcome (PRO) tool to assess radiotherapy-related toxicity in patients with lung cancer (ID 1614)

      11:25 - 11:35  |  Author(s): A. Chittalia

      • Abstract
      • Presentation
      • Slides

      Background
      Discrepancies between clinician and patient reported symptoms validate the investigation of a PRO tool in clinical trials and routine practice. There is a paucity of data regarding the feasibility and relevance of PRO tools to assess radiotherapy toxicity in patients with lung cancer.

      Methods
      From January to June 2013, lung cancer patients undergoing thoracic radiotherapy or chemo-radiotherapy completed a PRO toxicity tool (adapted Radiogenomics Biorepository and Databank lung questionnaire) consisting of 9 patient-adapted Common Terminology Criteria for Adverse Events (CTCAE) items and World Health Organisation (WHO) performance status (PS) at baseline, at the end of radiotherapy and at 4-10 weeks follow-up (FU). At the same time points, patients completed the European Organisation for Research and Treatment of Cancer Quality of Life (QoL) Questionnaire along with its lung cancer specific module (EORTC QLQ-C30/LC13) and the Hospital Anxiety and Depression Scale (HADS). Clinicians completed the same CTCAE items for each time point. Agreement between patients’ and clinicians’ toxicity reports was assessed using weighted kappa coefficients. The patients’ QoL and HADS scores were correlated with the patients’ and clinicians’ reported toxicity using Spearman rank correlation coefficients.

      Results
      Of the 116 patients consented, 70 (85 paired responses) completed all 3 questionnaires for at least one time point excluding baseline. Median age was 71.5 years (39-89 years), 54.3% of the patients were male and 85.7% had a diagnosis of non-small cell lung cancer. Agreement between patients’ and clinicians’ reported toxicity ranged from poor to substantial (Figure 1). Perfect agreement was ≥50% for all assessed items with the exception of PS for both the end of radiotherapy and FU. The majority of discrepancies (≥74%) differed by 1 grade of toxicity. At the end of radiotherapy patients reported greater severity than clinicians for all items but not for PS; however this was less pronounced at FU. QoL scores were generally more strongly correlated with the patients’ compared to clinicians’ matching toxicity grades at the exception of dyspnoea. The correlation of HADS scores with patients’ CTCAE anxiety and depression grades ranged from moderate-to-low to moderate. There was no correlation with clinicians’ grading for depression and no-to-moderate correlation for anxiety. The adapted Radiogenomics Biorepository and Databank lung questionnaire demonstrated a high Cronbach’s α value (0.848) indicating good reliability. Figure 1

      Conclusion
      The use of a PRO tool in radiotherapy for lung cancer is feasible, reliable and acceptable to patients and complements the clinicians’ assessment. Further research is required to evaluate its validity.

      Only Members that have purchased this event or have registered via an access code will be able to view this content. To view this presentation, please login, select "Add to Cart" and proceed to checkout. If you would like to become a member of IASLC, please click here.

      Only Active Members that have purchased this event or have registered via an access code will be able to view this content. To view this presentation, please login or select "Add to Cart" and proceed to checkout.

  • +

    P2.09 - Poster Session 2 - Combined Modality (ID 213)

    • Event: WCLC 2013
    • Type: Poster Session
    • Track: Combined Modality
    • Presentations: 1
    • +

      P2.09-008 - Concurrent chemoradiotherapy (cCTRT) for locally advanced Non Small Cell Lung Cancer (NSCLC) followed by consolidation Pemetrexed: a phase II study (ID 1545)

      09:30 - 09:30  |  Author(s): A. Chittalia

      • Abstract

      Background
      cCTRT is the current standard treatment for good Performance Status (PS) unresectable locally advanced NSCLC. A phase III study demonstrated that Docetaxel consolidation does not improve overall survival (OS) after cCTRT (Hanna. JCO 2008). The role of consolidation chemotherapy after cCTRT is still investigational and our study was set up to evaluate the role of pemetrexed in this setting. A less toxic consolidation chemotherapy may enable a higher proportion of patients to comply to planned treatment which may improve outcome.

      Methods
      This was a single-institution prospective phase II study. Treatment comprised cisplatin (50 mg/m[2] days 1, 8, 29, 36), etoposide (50 mg/m[2] days 1-5 and 29-33) and concurrent thoracic radiotherapy starting on day 1 chemotherapy (66 Gy in 33 daily fractions; 3D conformal radiotherapy or IMRT) followed by consolidation pemetrexed (500 mg/m[2] on days 71, 92 and 133). The primary endpoint was 1 year OS. Secondary endpoints were progression-free survival (PFS), 2 yr OS, acute/late toxicity (CTCAE v3.0), compliance to treatment.

      Results
      35 patients were recruited between March 2008 and October 2010. Median age was 61 years (range 42-76). M:F ratio was 23(66%):12(34%). ECOG PS was 0:1 11(31%):24(69%). Histology: squamous 21(60%), adenocarcinoma 8(23%), undifferentiated 4(11%), other 2(6%). Stage: IIB 1(3%), IIIA 19(54%), IIIB 15(43%). All 35(100%) had PETCT staging. All 35 patients received concurrent chemotherapy (dose reduction in 3 patients) and 32 (91%) received the planned 66Gy (range 56-66 Gy). The number of patients who completed pemetrexed were: cycle 1=25 (71%), cycle 2=22 (63%), cycle 3=16 (46%). Radiation parameters: Gross Tumour Volume (GTV) was median 60.2 cm[3] (range 11.4-274.4 cm[3]), V~20Gy ~median 30.4% (range 10.5-35.3%), During the concurrent phase, grade 3/4 toxicity was noted for: neutropenia 17(49%) anaemia 1(3%), thrombocytopenia 1(3%), infection 8(23%), fatigue 6(17%), nausea±vomiting 4(11%), mucositis 3(9%), anorexia 3(9%). During the pemetrexed consolidation phase, the only grade 3/4 toxicities were: infection 5(20%), anaemia 3(12%), neutropenia 2(8%) and fatigue 2(8%). Acute radiotherapy toxicity (<3months): oesophagitis grade 3/4 10(29%) and late toxicity (>3months): pneumonitis grade 3/4 2(7%), oesophageal stricture 2 (7%), pulmonary fibrosis 1(3%). Median follow up was 25months. Median OS was 34months, with 1yr OS 77% (95% CI 60-88%), and 2yr OS 61% (95% CI 37-72%). Median PFS was 22months, with 1yr PFS 62% (95% CI 43-76%) and 2yr 49% (95% CI 31-65%). Of the 14 deaths, causes were, 1 suicide during radiotherapy, 2 treatment-related deaths (1 grade 5 pneumonitis and 1 grade 5 haemoptysis) and 13 due to lung cancer.

      Conclusion
      In an unselected locally advanced NSCLC population, staged with PETCT a median survival of 34 months can be achieved. The study reinforces the challenge of delivering consolidation chemotherapy and suggests that improved staging contributes to improved outcomes. Although there was failure to deliver all planned cycles of consolidation pemetrexed after cCTRT in 54% of patients, these are encouraging results that warrant further investigation.

  • +

    P2.24 - Poster Session 2 - Supportive Care (ID 157)

    • Event: WCLC 2013
    • Type: Poster Session
    • Track: Supportive Care
    • Presentations: 1
    • +

      P2.24-034 - Treatment Beyond Progression in Patients with Non-Small Cell Lung Cancer Harbouring EGFR Mutations - The Manchester Lung Cancer Group Experience (ID 2431)

      09:30 - 09:30  |  Author(s): A. Chittalia

      • Abstract

      Background
      The presence of EGFR activating mutations in NSCLC and sensitivity of these tumours to EGFR tyrosine kinase inhibitors (TKI) was first described in 2005. For NSCLC patients harbouring an activating EGFR mutation the treatment of choice is an EGFR TKI which is better tolerated and easier to administer than chemotherapy. However, questions remain about duration of therapy and optimal management on radiological progression.

      Methods
      A retrospective case note review was undertaken with the aim of establishing current practice in prescription and discontinuation of EGFR-TKIs, subsequent therapies and clinical outcomes. We identified consecutive patients from the database of the genetic testing laboratory (from Q4 2009 when routine testing commenced to a cut-off point of February 2013). 171 case- notes were reviewed for demographic and clinical data including survival.

      Results
      Of 171 cases 116 (69%) had received treatment with an EGFR TKI (Gefitinib 79%, Erlotinib 19%, both 2%). The reasons for not receiving treatment included: patient received radical therapy, patient died before oncology assessment and patient preference. 63% of patients were female, 26% never smokers, 44% ex-smokers, 6% current smokers and smoking history was not documented in 23%. 76% of patients had Stage IV disease and performance status was 0-1 in 47%, 2 in 22%, 3 in 7%, 4 in 2% and not documented in 23%. The average length of treatment on EGFR TKI was 10.5 months (range 0.5-40) and 36 (31%) patients were still on treatment at the time of analysis. Disease progression on the EGFR-TKI (PD) had occurred in 82 (71%) of patients and 28 (34%) of these continued EGFR TKI treatment beyond PD. The average length of time on treatment beyond PD was 5.6 months (range 1-16) and TKI treatment was ongoing in 9 of the 28 patients. 25 of the 73 patients (34%) with PD who had stopped EGFR TKI went onto receive a second line systemic treatment: pemetrexed and platinum 60%, gemcitabine and carboplatin 20%, single agent pemetrexed 8%, vinorelbine 8%, gemcitabine 4%. Third line therapy was received by 40% of those who had received 2[nd] line treatment.

      Conclusion
      Patients with EGFR activating mutations often derive a significant clinical benefit and marked reduction in tumour burden with oral EGFR TKI therapy, which results in a reluctance, from both patients and clinicians, to stop therapy at the time of radiological progression if the patient is still experiencing symptomatic improvement. Our results show that treatment beyond disease progression is common (34%) in ‘real –life’ clinical practice with some patients continuing to derive benefit for more than a year beyond the time of disease progression. .