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result(s) for
"Biswas, Bivas"
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Perioperative Durvalumab for Resectable Non–Small-Cell Lung Cancer
by
Gao, Shugeng
,
Reck, Martin
,
Ostoros, Gyula
in
Adjuvants, Immunologic - therapeutic use
,
Administration, Intravenous
,
Antineoplastic Agents, Immunological - administration & dosage
2023
Patients with resectable non–small-cell lung cancer had a greater response and longer event-free survival with preoperative durvalumab plus chemotherapy and adjuvant durvalumab than with chemotherapy alone.
Journal Article
Prospective observational study on Pazopanib in patients treated for advanced or metastatic renal cell carcinoma in countries in Asia Pacific, North Africa, and Middle East regions: PARACHUTE study
by
Erman, Mustafa
,
Wong, Yoke Fui
,
Chung, Hsiao-Jen
in
Age groups
,
Biomedical and Life Sciences
,
Biomedicine
2021
Background
Clinical effectiveness and safety data of pazopanib in patients with advanced or mRCC in real-world setting from Asia Pacific, North Africa, and Middle East countries are lacking.
Methods
PARACHUTE is a phase IV, prospective, non-interventional, observational study. Primary endpoint was the proportion of patients remaining progression free at 12 months. Secondary endpoints were ORR, PFS, safety and tolerability, and relative dose intensity (RDI).
Results
Overall, 190 patients with a median age of 61 years (range: 22.0–96.0) were included. Most patients were Asian (70%), clear-cell type RCC was the most common (81%), with a favourable (9%), intermediate (47%), poor (10%), and unknown (34%) MSKCC risk score. At the end of the observational period, 78 patients completed the observational period and 112 discontinued the study; 60% of patients had the starting dose at 800 mg. Median RDI was 82%, with 52% of patients receiving < 85%. Of the 145 evaluable patients, 56 (39%) remained progression free at 12 months, and the median PFS was 10 months (95% CI: 8.48–11.83). 19% of patients (21/109) were long-term responders (on pazopanib for ≥18 months). The best response per RECIST 1.1 was CR/PR in 24%, stable disease in 44%, and PD in 31%. Most frequent (> 10%) TEAEs related to pazopanib included diarrhoea (30%), palmar-plantar erythrodysesthesia syndrome (15%), and hypertension (14%).
Conclusions
Results of the PARACHUTE study support the use of pazopanib in patients with advanced or mRCC who are naive to VEGF-TKI therapy. The safety profile is consistent with that previously reported by pivotal and real-world evidence studies.
Journal Article
Differential clinicopathological features, treatments and outcomes in patients with Exon 19 deletion and Exon 21 L858R EGFR mutation-positive adenocarcinoma non-small-cell lung cancer
by
Biswas, Bivas
,
Prabhash, Kumar
,
Batra, Ullas
in
Cancer therapies
,
Chemotherapy
,
Epidermal growth factor
2023
The most common oncogenic driver in non-small-cell lung cancer (NSCLC) is the epidermal growth factor receptor (EGFR) gene mutations that occur more frequently among Asians (30%–50%) as opposed to Caucasians (10%–15%). Lung cancer is one of the most prevalent cancers in India, with a reported adenocarcinoma positivity ranging between 26.1% and 86.9% in NSCLC patients. The prevalence of EGFR mutations in adenocarcinoma patients (36.9%) in India is higher than that of Caucasian patients and lower than that of East Asian patients. The exon 19 deletion (Ex19del) is more common than exon 21 L858R mutations in Indian patients with NSCLC. Studies have shown that the clinical behaviour of patients with advanced NSCLC differs between EGFR Ex19del and exon 21 L858R mutation status. In this study, we investigated the differences in clinicopathological features and survival outcomes after first line and second-line treatment with EGFR tyrosine kinase inhibitors (EGFR TKIs) in NSCLC patients with Ex19del and exon 21 L858R EGFR mutation status. This study also focuses on the role and potential benefits of dacomitinib, a second-generation irreversible EGFR TKI, in patients with Ex19del and exon 21 L858R EGFR mutation-positive advanced NSCLC in Indian settings.
Journal Article
Pneumothorax in lung metastasis of advanced soft tissue sarcoma patients treated with oral pazopanib
by
Sen, Saugata
,
Sarkar, Sayan
,
Mishra, Pradipta Kumar
in
Care and treatment
,
Inhibitor drugs
,
Lung cancer
2024
Aim:
Data on occurrence of pneumothorax after the use of oral pazopanib in advanced soft tissue sarcoma (STS) with lung metastases are scarce in literature. We aimed to evaluate those in our patients.
Methods:
This was a single center retrospective study of incidence of pneumothorax in patients with lung metastases in advanced STS treated with oral pazopanib between July, 2016 and December, 2020. Patients were treated with pazopanib usually from 2nd line onwards with a dose ranging from 400 mg to 800 mg once daily.
Results:
Total of 34 patients with lung metastasis in a setting of advanced STS were treated with oral pazopanib during the study period. The setting of pazopanib use was 2nd line in four and 1st line in one of them. The starting dose was 600 mg once daily in three patients, 400 mg OD in one patient, and 800 mg OD in one patient. Five patients developed pneumothorax with duration on pazopanib of 6, 7, 24, 6, and 2.5 months, respectively. Three patients had symptoms and required chest tube drainage. None of them were smokers or had any other underlying lung disease. The disease response of those patients was stable disease in four and partial response in one during treatment with pazopanib. One patient had a rechallenge with further pazopanib course without any recurrence of pneumothorax.
Conclusions:
Pneumothorax is a rare pulmonary complication after pazopanib use in patients with lung metastasis. Clinicians should be aware of this rare complication as literature is scarce. Rechallenge with pazopanib is feasible after pneumothorax.
Journal Article
Pazopanib in rare histologies of metastatic soft tissue sarcoma
by
Pushpam, Deepam
,
Sharma, Aparna
,
Biswas, Bivas
in
Angiogenesis
,
Chemotherapy
,
Inhibitor drugs
2021
Uncommon histopathological subtypes account for less than 5% cases of soft tissue sarcoma (STS) and unclassified STSs comprise another 16%, these are often chemotherapy-resistant, with a dismal outcome in unresectable/metastatic disease. Prospective studies on the use of pazopanib in this cohort of patients are lacking in the literature. Here, we describe the safety and efficacy of pazopanib in rare histologies of advanced STS.
We conducted a retrospective study at two tertiary cancer centres in India, evaluating 33 cases of rare subtypes of STS, who received pazopanib as per institutional protocol between January 2013 and December 2019. Patients who received pazopanib for unresectable/metastatic disease were enrolled in this study for clinicopathologic features, treatment outcome and evaluation of prognostic factors.
Out of 33 patients, there were seven cases of undifferentiated pleomorphic sarcoma, four cases each of myxofibrosarcoma, epithelioid sarcoma and malignant peripheral nerve sheath tumour, three cases each of haemangiopericytoma and spindle cell sarcoma, two cases of haemangioendothelioma and a case each of clear cell sarcoma, retroperitoneal sarcoma, angiosarcoma and pleomorphic rhabdomyosarcoma-adult type. The objective response rate was 27%. Most of the patients (67%) received pazopanib in second or subsequent lines of therapy. The majority (70%) were started at a lower dose of 400/600 mg and only 43% of these (10/23) could be escalated to a full dose of 800 mg based on tolerance. On univariate analysis, pazopanib's starting dose didn't predict progression-free survival (PFS)/overall survival (OS)/response rate. At a median duration of follow-up of 18.8 months (range 1.9-150.4 months), the median PFS and median OS were 10.3 months (95% confidence interval (CI): 5.9-14.8) and 17.8 months (95% CI: 10.7-29.3), respectively. 27% of the patients experienced grade ¾ toxicities, 12% required dose modification of pazopanib and 21% needed permanent discontinuation due to toxicity.
Our study shows that pazopanib is active in rare subtypes of STS.
Journal Article
Navigating patient journey in early diagnosis of lung cancer in India
2023
Lung cancer (LC) is one of the leading causes of cancer deaths worldwide. In India, the incidence of LC is increasing rapidly, and a majority of the patients are diagnosed at advanced stages of the disease when treatment is less likely to be effective. Recent therapeutic developments have significantly improved survival outcomes in patients with LC. Prompt specialist referral remains critical for early diagnosis for improved patient survival. In the Indian scenario, distinguishing LC from benign and endemic medical conditions such as tuberculosis can pose a challenge. Hence, awareness regarding the red flags-signs and symptoms that warrant further investigations and referral-is vital. This review is an effort toward encouraging general physicians to maintain a high index of clinical suspicion for those at risk of developing LC and assisting them in refering patients with concerning symptoms to specialists or multidisciplinary teams as early as possible.
Journal Article
First-line Rucaparib Plus Bevacizumab Maintenance Completed One-Year in Germline BRCA1-Mutated Advanced Ovarian Cancer
2022
The present case study showed the novel approach of Rucaparib and Bevacizumab as first-line maintenance therapy in germline BRCA 1 mutated advanced high-grade serous carcinoma of the ovary. A 56-year-old female with high-grade serous carcinoma of the ovary (ECOG PS1) was treated with carboplatin and paclitaxel in combination with Bevacizumab (CPB), followed by interval debulking surgery. Since the patient was germline BRCA 1 positive, after completion of adjuvant chemotherapy, she was kept on Rucaparib along with Bevacizumab. The patient achieved a complete response and has been leading a disease-free life for the past one year with maintenance therapy of Rucaparib + Bevacizumab, though the patient did experience a few adverse events, including one episode of grade 3 anaemia, occasional grade 3 asthenia, and grade 2 diarrhoea (CTCAE V-4) which was managed by gradual dose reduction of Rucaparib from 600 mg twice daily dose to 300mg twice daily dose. With dose alteration of rucaparib along with bevacizumab as maintenance, the patient continues to tolerate rucaparib and stay relapse-free from disease.
Journal Article
Expert Consensus Guidance on the Management of Chemotherapy-Induced Nausea and Vomiting: An Indian Perspective
by
Mahapatra, Prabrajya N
,
Sarin, Jatin
,
Bharat, Suyash
in
Agreements
,
Antiemetics
,
Cancer therapies
2025
Chemotherapy-induced nausea and vomiting (CINV) significantly impact patients' quality of life and treatment adherence, with high incidence rates despite the use of antiemetic prophylaxis. While international guidelines provide recommendations for managing CINV, the diverse healthcare landscape in India necessitates tailored, region-specific guidelines. This study was conducted to develop and validate consensus-based clinical statements on CINV management tailored to the Indian context, aiming to enhance the quality of cancer care across the nation by aligning international insights with local experiences. A comprehensive literature review and a consensus-based methodology were employed. 150 Indian oncologists participated in developing 14 clinical statements through the modified Delphi method. Two rounds of voting were conducted to assess agreement levels, categorizing the statements into the following three categories: consensus, near or fair consensus, and no consensus. Consensus was achieved for 11, while three received near or fair consensus. In areas where data or agreement was lacking, expert opinions were incorporated to supplement the findings. One of the findings from this study indicated strong consensus for the use of netupitant and palonosetron along with dexamethasone as the preferred CINV prophylactic regimens in an Indian setting. The consensus statements developed in this study will assist Indian oncologists in making informed, tailored decisions regarding CINV prevention and management across diverse healthcare settings.
Journal Article
Oncoradiology Preparedness in the COVID-19 Pandemic: Perspective from a Tertiary Oncology Referral Center from Eastern India
by
Biswas, Bivas K
,
Chandra, Aditi
,
Gupta, Bharat
in
coronavirus disease 2019
,
Coronaviruses
,
COVID-19
2020
Abstract
At the time of writing this article, more than 18 million people worldwide have been infected by the severe acute respiratory syndrome-associated coronavirus-2 and about 700,000 people have died from coronavirus disease 2019 (COVID-19). In India, about 190,000 people have been infected and nearly 39,000 people have succumbed to this infection. Infection among health-care workers has emerged as one of the key problems in facing this pandemic. The purpose of this article is to describe the measures taken by the department of oncoradiology at our institution to control the infection and minimize staff exposure during the current lockdown period with reduced patient load and in the post-lockdown period with increased demand for radiology services. The key focus of this article is the continued delivery of cancer imaging services with practical precautions and optimized resources. We have also discussed algorithms and protocols unique to the practice of oncoradiology in the time of the COVID-19 pandemic.
Journal Article
Correction to: Prospective observational study on Pazopanib in patients treated for advanced or metastatic renal cell carcinoma in countries in Asia Pacific, North Africa, and Middle East regions: PARACHUTE study
by
Erman, Mustafa
,
Wong, Yoke Fui
,
Chung, Hsiao-Jen
in
Biomedical and Life Sciences
,
Biomedicine
,
Cancer Research
2021
Journal Article