Dr. David K Simson

Professional Journey

Achievements

• Moderator for panel discussion on liver SBRT for hepatocellular carcinoma – Oncology Conundrums, New Delhi, May 2024
• Panelist for a panel discussion on ‘Is ring gantry a real solution for TBI’, XXIX Annual conference of Association of Medical Physicists of India (Northern Chapter), New Delhi – April 2024
• Debate on ‘SBRT versus ablation for pulmonary metastasis from colorectal malignancy’ Spoke in favour of SBRT, GI MDT, New Delhi, April 2024
• Topic presentation – Role and duration of ADT in salvage treatment of prostate cancer, Society of Genitourinary Oncologists – SOGO, New Delhi, March 2024
• Panelist for a panel discussion on ‘SBRT in cholangiocarcinoma – case-based discussion’, Midterm meeting of oncology forum, New Delhi – March 2024
• Guest Faculty for a panel discussion on ‘Navigating the crossroads: SBRT vs Brachytherapy for liver metastasis’, 10^th YROC, Jodhpur, India – January 2024
• Panelist for a panel discussion on ‘Management of Her2+ve Metastatic Breast Cancer’, Oncology Review 2023, Faridabad, India – December 2023
• Panelist for a panel discussion on ‘PinPoint Cases – Bladder Preservation for all?’, 3^rd International Cancer Summit, New Delhi – October 2023
• Moderator of the panel discussion on SRS/SRT in brain SOLs, 2^nd Metro-OncoCon, New Delhi – June 2023
• Debate on ‘adjuvant versus salvage radiotherapy in prostate cancer’ Spoke in favour of adjuvant radiotherapy, Delhi URO – Oncology Meeting, New Delhi, June 2023
• Guest Faculty for a panel discussion on prostate cancer management, 9^th YROC, Lucknow, India – February 2023
• Master of the ceremony for Gyn oncology hall for 42^nd AROICON national conference, New Delhi – December 2022
• Poster presentation – Adenocarcinoma cervix, our last ten-year experience – ESMO gynecological cancers congress, Valencia, Spain – June 2022
• Panel discussion moderator – EBRT contouring controversies in prostate cancer – RGCON 2022 – April 2022 Crown Plaza, New Delhi – April 2022
• Panel discussion moderator – Molecular classification-based radiation treatment in endometrial cancer, Delhi Gyne Oncology Group (DGOG) – February 2022
• Quiz Master – RADONC CONCLAVE, New Delhi – February 2022
• Lecture – 1 hour session, know cancer better- cancer awareness campaign for general public – conducted by Centre for India Studies, Kuwait – 4th December 2020.
• Panel discussion (Moderator)- Updates in management of GBM – 3rd September 2020.
• Panelist-Recent updates in management of prostate cancer and covid 19 – 31st July 2020.
• Topic presentation – Radical / SBRT for oligometastatic breast cancer – DBOG meet at Jaypee Hospital, Noida – February 2019.
• Topic presentation – Local therapy for oligometastatic NSCLC, is there a benefit?. World Cancer congress, 29^th April 2018, New Delhi, India.
• Lecture – Re-Irradiation for recurrent head and neck cancer in the IMRT era. Medical Physics day lecture series. 7th Nov 2016, Nagarjuna Hospital, Vijayawada, India.
• Poster presentation – Inderjit Kaur, Sheh Rawat, Gaurav Gupta, Upasna Sexana, Pooja Gogia, Aditi Tanwar, Manider Mishra, David K Simson; To measure interfractional variations in head and neck cancer patients by IGRT and its impact on dose volume histogram; 14^th RGCON – Changing landscapes in head and neck oncology – future and beyond, Feb 2015, New Delhi, India.
• Poster presentation – Sarthak Tandon, Sheh Rawat, Parveen Ahlawat, Manoj Pal, Gourav Gupta, Deepika Chauhan, David K Simson; A randomized study to compare IMRT using conventional fractionation schedule with IMRT using simultaneous modulated accelerated radiotherapy schedule in locally advanced head and neck cancers – An interim analysis; 14^th RGCON – Changing landscapes in head and neck oncology – future and beyond, Feb 2015, New Delhi, India.
• Trilateral debate on locoregional therapies in metastatic breast cancer – medical, surgical and radiation perspectives – Spoken in favour of “locoregional radiotherapy in metastatic carcinoma breast”. Delhi NCR Oncology Forum, 7^th Jan 2015, New Delhi, India.
• Oral Presentation – Predictive factors of pathological response to neoadjuvantchemoradiotherapy in locally advanced carcinoma rectum; 12^th RGCON – “Changing Scenario in Colorectal Cancer”, Feb 2013, New Delhi, India.
• Oral Presentation (during MBBS period) – Study of risk factors of coronary heart disease among adults aged above 25 years in rural communities in central Kerala; 53^rd national conference of Indian public health association, Jan  2009, Bangalore, India.
• Oral Presentation (during MBBS period) – Study on admission profile and outcome in medical intensive care unit in Central Kerala; 4th annual INDO-US Emergency Medicine Summit, Oct 2008, Mangalore, India.

Awards

• First prize in soft tissue sarcoma quiz – 2^nd international symposium on sarcoma management – April 2016
• Silver medal for the final university (Calicut) exam in Obstetrics and Gynaecology subject.
• Best paper presentation award (oral presentation category) in RGCON 2013.

Publications

• Swarupa Mitra, David K Simson, Manish Gehani, Soumitra Barik, Ruparna Khurana, et al. Survival and Recurrence Patterns in Patients With Stomach Adenocarcinoma Receiving Chemotherapy or Chemoradiotherapy After D2 Gastrectomy in a Tertiary Care Cancer Institute: A Retrospective Real-World Evidence Cohort Study. Advances in Radiation Oncology. 2023;8(6).
• David K Simson. Today’s Conviction, Tomorrow’s Mistake. Pract Radiat Oncol. 2022 Sep-Oct;12(5):e363-e364. doi: 10.1016/j.prro.2022.02.011. Epub 2022 Mar 7. PMID: 35272077.
• Swarupa Mitra, David K Simson, Himanshi Khurana, Sarthak Tandon, Parveen Ahlawat, Nitin Bansal, Soumitra Barik, Jaskaran Singh Sethi, Kundan Singh Chufal, Munish Gairola. Treatment Delay during Radiotherapy of Cancer Patients due to COVID-19 Pandemic. Asian Pac J Cancer Prev. 2022 Jul 1;23(7):2415-2420. doi: 10.31557/APJCP.2022.23.7.2415. PMID: 35901349.
• Sarthak Tandon, Parveen Ahlawat, Sunil Pasricha, Sandeep Purohit, David K Simson, Kiran Dobriyal, Preetha Umesh, Maninder Mishra, Lalit Kumar, Ahmed M Karimi, Jwala M, Munish Gairola. Depth of Invasion as an Independent Predictor of Survival in Patients of Stage III Squamous Cell Carcinoma of the Oral Tongue. Laryngoscope. 2022 Aug;132(8):1594-1599. doi: 10.1002/lary.29990. Epub 2021 Dec 16. PMID: 34918353.
• Sukanya Semwal, Jaskaran Singh Sethi, Munish Gairola, David K Simson, Rajender Kumar, Ankit Goyal, Apoorv Vashistha, Ankit Kumar, Palak Goel. Evaluation of response rate of chemo-radiation and brachytherapy in patients with locally advanced carcinoma cervix in a tertiary care center. International Journal of Research in Medical Sciences. 2020 Mar; 8(4): 1361.
• David K Simson, Swarupa Mitra, Parveen Ahlawat, Upasna Saxena, Manoj Kumar Sharma, Sheh Rawat, Harpreet Singh, Babita Bansal, Lalitha Kameshwari Sripathi, Aditi Tanwar; Prospective study of neoadjuvant chemoradiotherapy using IMRT and 5 Flurouracil for locally advanced rectal cancer – toxicities and response evaluation. Cancer Man Cancer Manag Res. 2018 Mar;10:519-526.
• David K Simson, Sruthy P Kumar, Babita Bansal Singh, Lalitha Kameshwari, Parveen Ahlawat, S Prabhakar, Harpreet Singh, Manish Pandey, P Loganathan; Dosimetric comparison of Intensity Modulated Radiotherapy (IMRT) and Volumetric Modulated Arc Therapy (VMAT) for Gastric cancer. Asian Journal of Radiation Oncology. 2017 Jan-Jun;1:10-17.
• Lalitha Kameshwari, Parveen Ahlawat, David K Simson, Chiraranjan Khadanga, Lakshmipathi Kamarsu, Shital Kumar Surana, Harpreet Singh; Cardiac dose reduction with Deep-Inspiratory Breath Hold technique of radiotherapy for left sided breast cancer. J Med Phys. 2017 Jul-Sep; 42(3):123-127.
• Parveen Ahlawat, Sheh Rawat, Anjali Kakria, Bharti Devnani, Inderjit Kaur Wahi, David K Simson; Reirradiation with IMRT for recurrent head and neck cancer: A single-institutional report on disease control, survival and toxicity. Rep Pract Oncol Radiother. 2017 Jul –Aug;22(4):331-339.
• David K Simson; Conformal radiotherapy in rectal cancer: a dosimetric review. Int J Res Med Sci. 2017 Jan;5(1):08-12.
• David K Simson, Swarupa Mitra, Parveen Ahlawat, Manoj Kumar Sharma, Girigesh Yadav, Maninder Bhushan Mishra; Dosimetric Comparison between Intensity Modulated Radiotherapy and 3 Dimensional Conformal Radiotherapy in the Treatment of Rectal Cancer. Asian Pac J Cancer Prev. 2016 Nov 1;17(11):4935-4937.
• Swarupa Mitra, Anurag Mehta, Sunil Kumar Gupta, Anila Sharma, Robert Louis, Manoj Kumar Sharma, Upasna Saxena, David K Simson, Abhinav Dewan; Primary Gastric Burkitt’s Lymphoma – Case report and literature review. Rare Tumors. 2014 Oct 27; 6(4): 5300.
• Manoj Kumar Sharma, Swarupa Mitra, Upasna Saxena, Maninder Bhushan, Himanshu Shrivastava, David K Simson, Abhinav Dewan, Deepika Chauhan; Is volumetric modulated arc therapy (RapidArc) better than intensity modulated radiotherapy for gynecological malignancies? A dosimetric comparison. J Cancer Res Ther. 2014 Oct-Dec;10(4):883-8.
• Alvin George, Grace George, David K Simson, T P Antony.  A cross sectional analysis on the clinical presentation and outcome of H1N1 influenza patients in a tertiary care hospital in Central Kerala. International Journal of Advances in Medicine. 2019 Mar.6(2).
• Aproorva Nayak, David K Simson, et al. Immunoscore-based wait-and-watch after short course radiation and chemotherapy in rectal cancer. Accepted for presentation at ESTRO 2024, Glasgow, UK
• Varghese Antony, David K Simson, et al. Initial clinical and dosimetric outcomes with TBI planned on Helical Tomotherapy-Institutional Experience. Accepted for presentation at ESTRO 2024, Glasgow, UK
• Arya Bhanu, Anjali Pahuja, David K Simson, et al. Comparing pathological response in bulky and non-bulky esophageal cancer after neoadjuvant treatment. Accepted for presentation at ESTRO 2024, Glasgow, UK
• David K Simson, Swarupa Mitra, Himanshi Khurana, Soumitra Barik, Kiran Dobriyal, Athira Krishnan, et al. 10-year survival outcome and patterns of failure analysis of patients with localized adenocarcinoma cervix: Our experience from a tertiary cancer care center. Annals of Oncology. 2022;33:S386-S7.
• Swarupa Mitra, Soumitra Barik, David K Simson, Kiran Dobriyal, Athira Krishnan, Jwala Mukhi, et al. Is Hypofractionated Elective Nodal Irradiation Safe in High-Risk Prostate Cancer? A Single-Institution Prospective Study. International Journal of Radiation Oncology, Biology, Physics. 2022;114(3):e231-e2.
• Jwala Mukhi, Swarupa Mitra, Rahul Chowdhary, Moushmi Suryavanshi, David K Simson, Soumitra Barik, et al. A Technical Glitch or Whispers of Changing Epidemiology of HPV Negative Carcinoma Cervix? An Exploratory Study. International Journal of Radiation Oncology, Biology, Physics. 2022;114(3):e256
• Jwala Mukhi, Swarupa Mitra, Rahul Chowdhary, Moushmi Suryavanshi, David K Simson, Soumitra Barik, et al. Prognostic Footprints of HPV Genotyping in Locally Advanced Carcinoma Cervix; A Single Institutional Study. International Journal of Radiation Oncology, Biology, Physics. 2022;114(3):e256-e7.
• Swarupa Mitra, Manoj Kumar Sharma, Upasna Saxena, David K Simson, Manindra Mishra, Sabeena Kataria, Himanshu Srivastav; ‘Hopes and hypes with image-based brachytherapy: an indian experience with 53 patients. Can it be the standard yet?, Abstract publication. Asia Pac J Clin Oncol. 2014 Dec; 10:116.
• David K Simson, Swarupa Mitra, Manoj Kumar Sharma, et al; A prospective study to evaluate the predictive factors, dosimetry and pathological response to neoadjuvant chemoradiotherapy in locally advanced rectal carcinoma by conformal radiotherapy techniques. Abstract publication. Indian J Cancer. 2013 Nov;50(supplement1):S54.
• David K Simson, Swarupa Mitra, Himanshi Khurana, Soumitra Barik, Kiran Dobriyal, Athira Krishnan, Preetha Umesh, Shilpa Pathi, Abhinav Dewan, 2022.10-year survival outcome and patterns of failure analysis of patients with localized adenocarcinoma cervix: Our experience from a tertiary cancer care center. Annals of Oncology 33, S386–S387.. doi:10.1016/j.annonc.2022.04.028