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Indian Journal of Cancer

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https://www.readbyqxmd.com/read/29292710/importance-of-repeat-tissue-biopsy-and-tissue-based-epidermal-growth-factor-receptor-t790m-testing-in-progressed-nonsmall-cell-lung-carcinoma-patients-upon-negative-plasma-genotyping-for-selection-of-third-generation-tyrosine-kinase-inhibitor-therapy-a-case
#1
R Mistry, A Patil
Resistance to 1st or 2nd generation epidermal growth factor receptor (EGFR) - tyrosine kinases (TKIs) develops predominantly due to an acquired mutation, EGFR T790M. Third-generation EGFR-TKIs have demonstrated potent activity against TKI resistance mediated by EGFR T790M. Thus, it become critical to identify T790M mutation on disease progression. Analysis of tumor tissue biopsy material is considered as gold standard for mutation detection. However, lung re-biopsy in a progressed patient involves several challenges - access to tumor, patient's willingness, safety, cost...
December 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29292709/a-review-on-adverse-event-profiles-of-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitors-in-nonsmall-cell-lung-cancer-patients
#2
REVIEW
B Biswas, N Ghadyalpatil, M V Krishna, J Deshmukh
The epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitors (TKIs) have revolutionized the treatment of EGFR-mutant nonsmall cell lung cancer (NSCLC). These EGFR TKIs demonstrate a different adverse event (AE) profile as compared to conventional chemotherapy agents. They are more commonly associated with cutaneous AEs and diarrhea while hematological AEs occurred commonly with chemotherapy agents. These AEs are the extension of pharmacological effect and occur as a result of blockade of EGFR-regulated pathways in the skin and gastrointestinal tract...
December 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29292708/epidermal-growth-factor-receptor-t790m-testing-in-progressed-lung-cancer-a-review-of-sensitive-methods-for-analysis-of-tissue-and-liquid-biopsy-samples
#3
REVIEW
A Chougule, S Basak
Lung cancer is one of the major causes of mortality worldwide and is on the rise in India. The identification of epidermal growth factor receptor (EGFR) mutations in nonsmall cell lung cancer (NSCLC) has paved the way for personalized therapy in lung cancer with EGFR-tyrosine kinase inhibitors (TKIs). Despite the proven efficacy of EGFR-TKIs in patients harboring EGFR mutations, their clinical utility is limited by the development of acquired resistance mechanisms by the tumor cells. T790M mutation accounts for 60% of all resistance mechanisms to EGFR TKIs and is responsible for treatment failure with first- and second-generation TKIs...
December 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29292707/role-of-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitors-in-the-management-of-central-nervous-system-metastases-in-epidermal-growth-factor-receptor-mutation-positive-nonsmall-cell-lung-cancer-patients
#4
REVIEW
U Batra, N Lokeshwar, S Gupta, P Shirsath
Metastases to central nervous system (CNS) are very common in nonsmall cell lung cancer (NSCLC) patients with epidermal growth factor receptor (EGFR)-positive mutation. Brain is the most affected part of CNS where blood-brain barrier (BBB) presents a challenge to currently available chemotherapeutic agents as well as first- (erlotinib and gefitinib) and second (afatinib)-generation EGFR tyrosine kinase inhibitors (TKIs) due to their poor penetrability. A rapid development of EGFR T790M secondary mutation is another cause of treatment failure, and patients tend to progress despite initial response to first- and second-generation EGFR TKIs...
December 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29292706/advanced-therapeutic-options-and-importance-of-rebiopsy-in-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitor-progressed-nonsmall-cell-lung-carcinoma-patients-an-expert-opinion
#5
REVIEW
Suresh H Advani, Hemant Malhotra, Raju Titus Chacko, Maheboob Basade, Pavithran Keechilat, P N Mahapatra, Chanchal Goswami, T P Sahoo, Chirag Shah
Advanced nonsmall cell lung cancer (NSCLC) treatment is primarily based on platinum-based chemotherapy. Although epidermal growth factor receptor (EGFR) targeting has shifted the treatment paradigm toward personalized tyrosine kinase inhibitors (TKIs), resistance develops inevitably and EGFR T790M is the most common acquired resistance mechanism. Rebiopsy of resistant NSCLC cases can provide additional information on the underlying resistant mechanisms and therefore can help clinicians in taking better management decisions...
December 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29292705/liquid-biopsy-a-potential-and-promising-diagnostic-tool-for-advanced-stage-non-small-cell-lung-cancer-patients
#6
REVIEW
D C Doval, R Deshpande, B Dhabhar, K G Babu, K Prabhash, R Chopra, P V Sripada, C Deshmukh, M Suryavanshi
More than 50% of non-small cell lung cancer (NSCLC) cases harbor an actionable mutation, and molecular testing at different intervals can help in personalized and targeted treatment. Core tissue biopsy and needle biopsy done at the time of diagnosis/disease progression are interventional, time-consuming and can affect the patients adversely. Noninterventional biomarker testing by liquid biopsy promises to revolutionize advanced stage cancer screening. The present report was formulated based on an expert panel meeting of renowned oncologists who gave their opinions for minimally invasive liquid biopsy to detect targetable molecular biomarkers in advanced NSCLC cases...
December 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29292704/epidermal-growth-factor-receptor-t790m-mutation-a-major-culprit-in-the-progression-of-epidermal-growth-factor-receptor-driven-non-small-cell-lung-cancer-and-the-role-of-repeat-biopsy
#7
REVIEW
S Aggarwal, S Patil, N Rohtagi
Non-small cell lung cancer (NSCLC) accounts for the majority of primary lung cancer cases worldwide. The activating mutations of epidermal growth factor receptor (EGFR) have been demonstrated to associate with the development of NSCLC, with T790M mutation being the most common. Over the years, EGFR tyrosine kinase inhibitors (TKIs) were developed to target EGFR-related mutations. However, patients with activating EGFR mutations who are initially responsive to EGFR-TKIs eventually develop acquired resistance after a median progression-free survival of 10-16 months, followed by disease progression...
December 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29292703/epidermal-growth-factor-receptor-mutation-testing-from-conventional-to-real-time-diagnosis-of-lung-cancer
#8
REVIEW
T Raja, N K Warrier
Patients with non-small cell lung cancer (NSCLC) commonly harbor epidermal growth factor receptor (EGFR) mutation. Due to the complex disease pathology, early-stage diagnosis of patients with EGFR mutation is essential to make appropriate treatment decision. Tyrosine kinase inhibitors (TKIs) are commonly used for their treatment, but almost half of the patients with EGFR mutation do not respond to the available TKIs and develop acquired resistance owing to T790M mutation. The presence of T790M mutation also warrants a robust diagnostic method so as to allow clinicians to modify cancer treatment...
December 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29292702/oncogenic-drivers-in-nonsmall-cell-lung-cancer-and-resistance-to-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitors
#9
REVIEW
A Pathak, S Rajappa, A Gore
Nonsmall cell lung cancer (NSCLC) is increasingly being treated with targeted therapies. Epidermal growth factor receptor (EGFR) has been extensively studied in NSCLC as an oncogenic driver. However, the efficacy of the EGFR tyrosine kinase inhibitors (TKIs) is adversely impacted by the development of resistance. The occurrence of de novo resistance to EGFR TKIs is attributed to multiple mechanisms such as point mutations of oncogenes and chromosomal rearrangements. The development of acquired resistance to EGFR TKIs is facilitated by secondary mutations, phenotypical transformation, aberrance of downstream pathways, and activation of alternate signaling pathways...
December 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199729/epidemiology-of-gynecological-cancers-in-kamrup-urban-district-cancer-registry
#10
D Barman, J D Sharma, D Barmon, A C Kataki, A Sharma, M Kalita
BACKGROUND: Cancers of the female reproductive system - namely cancer of the cervix, corpus uteri, ovarian, vulvar, vaginal, fallopian tube cancers and choriocarcinoma are an important cause of cancer morbidity and mortality among women worldwide. It is estimated to be the third most common group of malignancies in women. The comprehensive global cancer statistics from the International Agency for Research on Cancer indicate that gynaecological cancers accounted for 20% of the 14.1 million estimated new cancer cases and 8...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199728/testicular-seminoma-are-clinical-features-and-treatment-outcomes-any-different-in-india
#11
M Anjanappa, A Kumar, S Mathews, J Joseph, K M Jagathnathkrishna, F V James
AIM: This study aims to identify clinical features, treatment outcomes, and prognostic factors for relapse and survival in patients with testicular seminoma. MATERIALS AND METHODS: Retrospective analysis of all patients with pure seminoma treated at our center during over a decade (January 2005-December 2014) was carried out. Patient demographics, tumor characteristics, and treatment details and pattern of recurrence were recorded in a structured format, and disease-free survival and overall survival were calculated...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199727/evaluation-of-dose-conformity-and-coverage-of-target-volume-for-intensity-modulated-radiotherapy-of-pelvic-cancer-treatment
#12
M Atiq, A Atiq, K Iqbal, Q Shamsi, F Andleeb, S A Buzdar
BACKGROUND: Better conformity may help in delivering minimum dose to organs at risk (OARs) and maximum dose to planning target volume (PTV). As per the requirements of modern radiotherapy, 95% isodose should cover the PTV, so conformity indices (CIs) are used for evaluating quality of conformation of treatment plans. AIM: This study aimed to investigate degree of conformity for pelvic patients using intensity-modulated radiotherapy (IMRT) technique. Three formulas of CIs described in literature were analyzed in this study...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199726/role-and-relevance-of-braf-mutations-in-risk-stratifying-patients-of-papillary-thyroid-cancers-along-with-a-review-of-literature
#13
A Krishnamurthy, V Ramshankar, K Murherkar, S Vidyarani, G C Raghunandhan, A Das, P B Desai, K Albert
INTRODUCTION: Molecular markers are increasingly being explored as a potential diagnostic and prognostic tool in patients with well-differentiated thyroid cancers and B-type Raf kinase (BRAF) V600E mutation has received a wide attention in this regard. Many clinical studies have demonstrated an association of BRAF V600E mutation with aggressive clinicopathologic characteristics and high tumor recurrence and mortality in patients with papillary thyroid cancers. Papillary thyroid cancers has been abbreviated and PTCs...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199725/rechallenge-temozolomide-in-glioma-a-case-series-from-india
#14
V M Patil, R Tonse, R Kothari, A Chandrasekaran, N Pande, S Epari, T Gupta, R Jalali
INTRODUCTION: Temozolomide (TMZ) is an integral part of upfront treatment of high-grade gliomas. It is administered postsurgery as concurrent therapy with radiation and subsequently as adjuvant chemotherapy for 6-12 cycles. It is unknown whether rechallenge of salvage TMZ in previously treated high-grade glioma has any efficacy. MATERIAL AND METHODS: Patients treated with salvage rechallenged TMZ between January 2015 and August 2016 were included for this retrospective analysis...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199724/survival-and-prognostic-factors-for-glioblastoma-multiforme-retrospective-single-institutional-study
#15
M Ghosh, S Shubham, K Mandal, V Trivedi, R Chauhan, S Naseera
INTRODUCTION: Glioblastoma multiforme (GBM) is the most common and aggressive primary brain tumor in adults. The standard management has been maximum surgical resection followed by adjuvant radiotherapy with concurrent chemotherapy followed by adjuvant chemotherapy. Although the survival rate of patients with GBM has improved with recent advancements in treatment, the prognosis remains generally poor. The median survival rates are in the range of 9-12 months and 2-year survival rates are in the range of 8%-12%...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199723/chemo-port-insertion-through-femoral-vein-approach-a-rare-indication-and-a-rare-complication
#16
LETTER
S G Dholaria, D Yadav, A K Gupta
No abstract text is available yet for this article.
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199722/composite-lymphomas-experience-from-a-tertiary-cancer-center-in-kerala-south-india
#17
J A Vasudevan, R A Nair, R Sukumaran, S G Nair
OBJECTIVES: Composite tumors are defined as tumors in which there are two different intermixed histologic types. Our objective was to study the clinical and pathologic features of five cases of composite lymphoma. MATERIALS AND METHODS: Our study included five patients of composite lymphoma diagnosed over a period of 5 years. Clinical presentation, hematological parameters including peripheral smear, bone marrow aspirate, and histopathological examination of lymph node including immunohistochemistry (IHC) were studied...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199721/predicting-loco-regional-recurrence-risk-in-t1-t2-breast-cancer-with-1-3-positive-axillary-nodes-postmastectomy-development-of-a-predictive-nomogram
#18
T Wadasadawala, S Kannan, S Gudi, A Rishi, A Budrukkar, V Parmar, T Shet, S Desai, S Gupta, R Badwe, R Sarin
BACKGROUND: Role of postmastectomy radiotherapy (PMRT) in early breast cancer with 1-3 positive axillary nodes is still controversial. Hence, there is a need to identify subgroup of patients who have sufficiently high risk of disease recurrence to benefit from PMRT. AIM: The aim is to evaluate clinical outcomes of patients postmastectomy having pathological T1-T2 tumors with 1-3 positive axillary lymph nodes (LNs) treated with adjuvant systemic therapy and develop a predictive nomogram...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199720/a-prospective-randomized-trial-comparing-capecitabine-based-chemoradiotherapy-with-5-fu-based-chemoradiotherapy-in-neoadjuvant-setting-in-locally-advanced-carcinoma-rectum
#19
K Singh, M K Gupta, R K Seam, M Gupta
INTRODUCTION: Fluorouracil (FU)based chemoradiotherapy is regarded as a standard perioperative treatment in locally advanced rectal cancer. Capecitabine is an oral fluoropyrimidine that generates 5FU preferentially at the tumor site by exploiting the higher activity of the enzyme thymidine phosphorylase in tumor tissue compared with healthy tissue. As an oral agent, capecitabine can be administered in the outpatient setting, potentially providing FU exposure similar to a lowdose continuous infusion of 5FU...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199719/retrospective-study-of-efficacy-and-safety-of-neoadjuvant-docetaxel-carboplatin-and-trastuzumab-in-her2-positive-locally-advanced-and-oligometastatic-breast-cancer-an-indian-experience
#20
A Tiwari, A Gogia, Svs Deo, N K Shukla, S Mathur, D N Sharma
BACKGROUND: The neoadjuvant chemotherapy in HER2-positive breast cancer consists of a chemotherapy backbone and HER2-directed therapy. The increase in cardiotoxicity by the use of trastuzumab with an anthracycline-based regimen has led to the use of nonanthracycline-based alternative regimens. The docetaxel, carboplatin, and trastuzumab (TCH) are one such regimen. The efficacy and toxicity of this regimen have not been widely studied in Indian patients. AIMS: This retrospective study aims to evaluate the efficacy and toxicity of neoadjuvant TCH regimen in locally advanced and oligometastatic HER2-positive breast cancer in Indian patients...
January 2017: Indian Journal of Cancer
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