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Nindra U, Bray V, Karikios D, Shafiei M, Subramaniam S, Ding P, Kao S, Pal A. Variations in Patterns of Prescribing Durvalumab in Stage III Lung Cancer: A Survey of Australian Medical Oncologists. Oncology 2024; 102:732-736. [PMID: 38232722 DOI: 10.1159/000535855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 12/13/2023] [Indexed: 01/19/2024]
Abstract
INTRODUCTION Local Australian guidelines for the optimal management of stage III unresectable non-small cell lung cancer (NSCLC) are lacking. The American Society of Clinical Oncology (ASCO) guidelines recommend consolidation durvalumab for all patients with unresectable stage III NSCLC, irrespective of their PD-L1 expression or driver mutation status. The European Society of Medical Oncology (ESMO) differs, with consolidation durvalumab only recommended in those patients whose tumours express PD-L1. METHODS Due to differing global guidelines, we conducted an Australia and New Zealand wide survey of medical oncologists specialising in thoracic cancer to determine the variations in patterns of prescribing durvalumab in stage III unresectable NSCLC. This survey was done electronically and sponsored by the Thoracic Oncology Group of Australia (TOGA). RESULTS Thirty-two medical oncologists completed the survey. In patients with EGFR-mutated stage III unresectable NSCLC, 6% of respondents stated that they prescribed durvalumab for all patients, while an additional 6% strongly recommended treatment. Forty-four percent suggested little benefit of consolidation durvalumab in this cohort, with an additional 19% advocating for observation only. In patients with PD-L1 negative (0%) stage III unresectable NSCLC, 13% of respondents prescribed durvalumab for all patients, while an additional 56% strongly recommended treatment. Interestingly, 18%, 10%, and 10% of prescribers discussed self-funded oral tyrosine kinase inhibitor therapy in patients with EGFR, ALK, or ROS-1-mutated NSCLC respectively as a substitute for consolidation durvalumab. CONCLUSION Overall, the clinical practice of Australian and New Zealand Medical Oncologists is variable, but remains consistent with either the ASCO or ESMO guidelines. Local practice guidelines are required to ensure consistency in prescribing patterns across Australia, as well as providing evidence for self-funded treatments outside standard of care.
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Affiliation(s)
- Udit Nindra
- Department of Medical Oncology, Liverpool Hospital, Liverpool, New South Wales, Australia
| | - Victoria Bray
- Department of Medical Oncology, Liverpool Hospital, Liverpool, New South Wales, Australia
| | - Deme Karikios
- Department of Medical Oncology, Nepean Hospital, Nepean, New South Wales, Australia
| | - Mohsen Shafiei
- Department of Medical Oncology, Bankstown-Lidcombe Hospital, Bankstown, New South Wales, Australia
| | - Shalini Subramaniam
- Department of Medical Oncology, Bankstown-Lidcombe Hospital, Bankstown, New South Wales, Australia
| | - Pei Ding
- Department of Medical Oncology, Nepean Hospital, Nepean, New South Wales, Australia
- Department of Medical Oncology, Westmead Hospital, Sydney, New South Wales, Australia
| | - Steven Kao
- Department of Medical Oncology, Sydney, New South Wales, Australia
| | - Abhijit Pal
- Department of Medical Oncology, Liverpool Hospital, Liverpool, New South Wales, Australia
- Department of Medical Oncology, Bankstown-Lidcombe Hospital, Bankstown, New South Wales, Australia
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Martins RS, Hussain H, Chaudry M, Rizvi NA, Mustafa MA, Ayub B, Aamdani SS, Rehman AA, Pervez A, Nadeem S, Khalid R, Ali AS, Shahid S, Zubairi ABS, Haider AH, Irfan M. GRADE-ADOLOPMENT of clinical practice guidelines and creation of clinical pathways for the primary care management of chronic respiratory conditions in Pakistan. BMC Pulm Med 2023; 23:123. [PMID: 37069600 PMCID: PMC10111762 DOI: 10.1186/s12890-023-02409-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 03/31/2023] [Indexed: 04/19/2023] Open
Abstract
INTRODUCTION In Pakistan, chronic respiratory conditions contribute a large burden of morbidity and mortality. A major reason for this is the lack of availability of local evidence-based clinical practice guidelines (EBCPGs) in Pakistan, particularly at the primary care level. Thus, we developed EBCPGs and created clinical diagnosis and referral pathways for the primary care management of chronic respiratory conditions in Pakistan. METHODS The source guidelines were selected by two local expert pulmonologists after a thorough literature review on PubMed and Google Scholar from 2010 to December 2021. The source guidelines covered idiopathic pulmonary fibrosis, asthma, chronic obstructive pulmonary disorders, and bronchiectasis. The GRADE-ADOLOPMENT process consists of three key elements: adoption (using recommendations as is or with minor changes), adaptation (effective context-specific changes to recommendations) or additions (including new recommendations to fill a gap in the EBCPG). We employed the GRADE-ADOLOPMENT process to adopt, adapt, adopt with minor changes, or exclude recommendations from a source guideline. Additional recommendations were added to the clinical pathways based on a best-evidence review process. RESULTS 46 recommendations were excluded mainly due to the unavailability of recommended management in Pakistan and scope beyond the practice of general physicians. Clinical diagnosis and referral pathways were designed for the four chronic respiratory conditions, explicitly delineating the role of primary care practitioners in the diagnosis, basic management, and timely referral of patients. Across the four conditions, 18 recommendations were added (seven for IPF, three for bronchiectasis, four for COPD, and four for asthma). CONCLUSION The widespread use of the newly created EBCPGs and clinical pathways in the primary healthcare system of Pakistan can help alleviate the morbidity and mortality related to chronic respiratory conditions disease in the country.
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Affiliation(s)
- Russell Seth Martins
- Center for Clinical Best Practices, Clinical and Translational Research Incubator (CITRIC), Aga Khan University, Karachi, 74800, Pakistan
| | - Hawra Hussain
- Medical College, Aga Khan University, Karachi, 74800, Pakistan
| | - Maryam Chaudry
- Medical College, Aga Khan University, Karachi, 74800, Pakistan
| | - Nashia Ali Rizvi
- Center for Clinical Best Practices, Clinical and Translational Research Incubator (CITRIC), Aga Khan University, Karachi, 74800, Pakistan
| | - Mohsin Ali Mustafa
- Center for Clinical Best Practices, Clinical and Translational Research Incubator (CITRIC), Aga Khan University, Karachi, 74800, Pakistan
| | - Bushra Ayub
- Learning Research Centre, Patel Hospital, Karachi, 75300, Pakistan
| | | | - Alina Abdul Rehman
- Center for Clinical Best Practices, Clinical and Translational Research Incubator (CITRIC), Aga Khan University, Karachi, 74800, Pakistan
| | - Alina Pervez
- Center for Clinical Best Practices, Clinical and Translational Research Incubator (CITRIC), Aga Khan University, Karachi, 74800, Pakistan
| | - Sarah Nadeem
- Center for Clinical Best Practices, Clinical and Translational Research Incubator (CITRIC), Aga Khan University, Karachi, 74800, Pakistan
- Section of Endocrinology, Department of Medicine, Aga Khan University, Karachi, 74800, Pakistan
| | - Rameesha Khalid
- Section of Pulmonology, Department of Medicine, Aga Khan University, Karachi, 74800, Pakistan
| | - Akbar Shoukat Ali
- Section of Pulmonology, Department of Medicine, Aga Khan University, Karachi, 74800, Pakistan
| | - Shayan Shahid
- Section of Pulmonology, Department of Medicine, Aga Khan University, Karachi, 74800, Pakistan
| | - Ali Bin Sarwar Zubairi
- Center for Clinical Best Practices, Clinical and Translational Research Incubator (CITRIC), Aga Khan University, Karachi, 74800, Pakistan
- Section of Pulmonology, Department of Medicine, Aga Khan University, Karachi, 74800, Pakistan
| | - Adil H Haider
- Medical College, Aga Khan University, Karachi, 74800, Pakistan
| | - Muhammad Irfan
- Section of Pulmonology, Department of Medicine, Aga Khan University, Karachi, 74800, Pakistan.
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Akgül S, Chan BA, Manders PM. Carboplatin dose calculations for patients with lung cancer: significant dose differences found depending on dosing equation choice. BMC Cancer 2022; 22:829. [PMID: 35906566 PMCID: PMC9338596 DOI: 10.1186/s12885-022-09885-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 07/01/2022] [Indexed: 11/23/2022] Open
Abstract
Background Carboplatin is the backbone cytotoxic agent for many chemotherapy regimens for lung cancer. Dosing of carboplatin is complicated due to its relationship to renal function and narrow therapeutic index. Overestimation of renal function may lead to supratherapeutic dosing and toxicity, while underestimation may lead to underdosing and therapeutic failure. Although the Modification of Diet in Renal Disease (MDRD) and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equations have higher accuracy in estimating glomerular filtration rate (eGFR), the Cockcroft Gault (CG) formula has been historically used for carboplatin dosing internationally. Methods We compared these formulae to identify patient profiles that were associated with significant carboplatin dose variation by retrospectively analysing the carboplatin dosing of 96 patients with lung cancer. Carboplatin doses were calculated using eGFR generated by MDRD, CKD-EPI 2009 and CKD-EPI 2021 equations. These three hypothetical doses were compared to actual CG-based doses prescribed. Results MDRD and CKD-EPI equations resulted in comparable carboplatin doses; however, CG doses diverged markedly with up to 17% of the patients receiving a carboplatin dose that was at least 20% higher than a non-CG formula would have predicted, and 20% received a dose that was at least 20% lower than a non-CG formula would have predicted. Our data suggest CG use overestimates kidney function in patients with a higher bodyweight and body surface area (BSA) while underestimating it in patients with a lower bodyweight and BSA. Importantly, we demonstrate potential real-world benefit as CKD-EPI predicted lower doses for patients whose (CG-derived) carboplatin dose was later reduced following clinical assessment prior to infusion. Conclusions We have therefore confirmed significant differences in carboplatin dosing depending on the equation used in our modern patient population and suggest that use of CKD-EPI provides the most clinically appropriate carboplatin dosing and should be implemented as the new standard of care internationally. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-022-09885-7.
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Affiliation(s)
- Seçkin Akgül
- School of Medicine and Dentistry, Griffith University, Gold Coast, 4215 QLD, Australia
| | - Bryan A Chan
- School of Medicine and Dentistry, Griffith University, Gold Coast, 4215 QLD, Australia.,Adem Crosby Cancer Centre, Sunshine Coast University Hospital, Birtinya, 4575 QLD, Australia
| | - Peter M Manders
- School of Medicine and Dentistry, Griffith University, Gold Coast, 4215 QLD, Australia. .,Adem Crosby Cancer Centre, Sunshine Coast University Hospital, Birtinya, 4575 QLD, Australia.
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Casal-Mouriño A, Ruano-Ravina A, Lorenzo-González M, Rodríguez-Martínez Á, Giraldo-Osorio A, Varela-Lema L, Pereiro-Brea T, Barros-Dios JM, Valdés-Cuadrado L, Pérez-Ríos M. Epidemiology of stage III lung cancer: frequency, diagnostic characteristics, and survival. Transl Lung Cancer Res 2021; 10:506-518. [PMID: 33569332 PMCID: PMC7867742 DOI: 10.21037/tlcr.2020.03.40] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 03/04/2020] [Indexed: 12/24/2022]
Abstract
Stage III non-small cell lung cancer (NSCLC) includes a highly heterogeneous group of patients with differences in the extent and localization of disease. Many aspects of stage III disease are controversial. The data supporting treatment approaches are often subject to a number of limitations, due to the heterogeneous patient populations involved in the trials. Furthermore, the definition of stage III disease has changed over time, and early studies were frequently inadequately powered to detect small differences in therapeutic outcome, were not randomized, or had a limited follow-up times. Major improvements in therapy, including the use of more active chemotherapy agents and refinements in radiation and surgical techniques, also limit the interpretation of earlier clinical trials. Lastly, improvements in pretreatment staging have led to reclassification of patients with relatively minimal metastatic disease as stage IV rather than stage III, leading to an apparent increase in the overall survival of both stage III and IV patients. Median overall stage III NSCLC survival ranges from 9 to 34 months. Higher survival rates are observed in younger Caucasian women with good performance status, adenocarcinoma, mutations, stage IIIA, and in patients with multidisciplinary-team-based diagnoses.
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Affiliation(s)
- Ana Casal-Mouriño
- Department of Pneumology, Santiago de Compostela University Clinical Teaching Hospital, Galicia, Spain
- Department of Preventive Medicine and Public Health, University of Santiago de Compostela, A Coruña, Spain
| | - Alberto Ruano-Ravina
- Department of Preventive Medicine and Public Health, University of Santiago de Compostela, A Coruña, Spain
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBER en Epidemiología and Salud Pública/CIBERESP), Madrid, Spain
| | - María Lorenzo-González
- Department of Preventive Medicine and Public Health, University of Santiago de Compostela, A Coruña, Spain
- Population Screening Unit, Galician Regional Health Authority, Santiago de Compostela, Spain
| | - Ángeles Rodríguez-Martínez
- Department of Preventive Medicine and Public Health, University of Santiago de Compostela, A Coruña, Spain
- Department of Oncology, Pontevedra University Hospital Complex, Pontevedra, Spain
| | - Alexandra Giraldo-Osorio
- Department of Preventive Medicine and Public Health, University of Santiago de Compostela, A Coruña, Spain
- Research Group for Health Promotion and Disease Prevention, Department of Public Health, University of Caldas, Manizales, Colombia
| | - Leonor Varela-Lema
- Department of Preventive Medicine and Public Health, University of Santiago de Compostela, A Coruña, Spain
- Scientific-Technical Advisory Unit, Galician Health Technology Assessment Agency, Health Knowledge Management Agency (Unidade de Asesoramento Científico-técnico/avalia-t, Axencia de Coñecemento en Saúde/ACIS), Galician Regional Health Authority, Galicia, Spain
| | - Tara Pereiro-Brea
- Department of Preventive Medicine and Public Health, University of Santiago de Compostela, A Coruña, Spain
- Department of Pneumology, A Coruña University Teaching Hospital Complex, A Coruña, Spain
| | - Juan Miguel Barros-Dios
- Department of Preventive Medicine and Public Health, University of Santiago de Compostela, A Coruña, Spain
| | - Luis Valdés-Cuadrado
- Department of Pneumology, Santiago de Compostela University Clinical Teaching Hospital, Galicia, Spain
- Interdisciplinary Group of Research in Pulmonology, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Mónica Pérez-Ríos
- Department of Preventive Medicine and Public Health, University of Santiago de Compostela, A Coruña, Spain
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBER en Epidemiología and Salud Pública/CIBERESP), Madrid, Spain
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Wah W, Stirling RG, Ahern S, Earnest A. Influence of timeliness and receipt of first treatment on geographic variation in non-small cell lung cancer mortality. Int J Cancer 2020; 148:1828-1838. [PMID: 33045098 DOI: 10.1002/ijc.33343] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 10/01/2020] [Accepted: 10/06/2020] [Indexed: 12/31/2022]
Abstract
Mortality from non-small cell lung cancer (NSCLC) exhibits substantial geographical disparities. However, there is little evidence on whether this variation could be attributed to patients' clinical characteristics and/or socioeconomic inequalities. This study evaluated the independent and relative contribution of the individual- and area-level risk factors on geographic variation in 2-year all-cause mortality among NSCLC patients. In the Hierarchical-related regression approach, we used the Bayesian spatial multilevel logistic regression model to combine individual- and area-level predictors with outcomes while accounting for geographically structured and unstructured correlation. Individual-level data included 3330 NSCLC cases reported to the Victoria Lung Cancer Registry between 2011 and 2016. Area-level data comprised socioeconomic disadvantage, remoteness and pollution data at the postal area level in Victoria, Australia. With the inclusion of significant individual- and area-level risk factors, timely (≤14 days) first definitive treatment (odds ratio [OR] = 0.73, 95% credible interval [Crl] = 0.56-0.94) and multidisciplinary meetings (MDM) (OR = 0.74, 95% Crl = 0.59-0.93) showed an independent association with a lower likelihood of NSCLC 2-year all-cause mortality. Timely and delayed (>14 days) first nondefinitive treatment, no treatment, advanced clinical stage, smoking, poor performance status, public hospital insurance and area-level deprivation were independently associated with a higher likelihood of 2- and 5-year all-cause mortality. NSCLC's 2-year all-cause mortality exhibited substantial geographic variation, mainly associated with timeliness and receipt of first definitive treatment, no treatment followed by patient prognostic factors with some contribution from area-level deprivation, MDM and public hospital insurance. This study highlights NSCLC patients should receive the first definitive treatment within the recommended 14-days from diagnosis.
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Affiliation(s)
- Win Wah
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Rob G Stirling
- Department of Allergy, Immunology & Respiratory Medicine, Alfred Health, Melbourne, Victoria, Australia.,Department of Medicine, Monash University, Melbourne, Victoria, Australia
| | - Susannah Ahern
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Arul Earnest
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
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