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Awakening immunity against cancer: a 2017 primer for clinicians.

ABSTRACT: Cancer immunotherapy has finally joined the pillars of cancer treatment-surgery, radiation, chemotherapy, hormonal therapy, and targeted therapy-in improving cancer patient lives. In the last 5 years, the development of immune checkpoint inhibitor and T cell therapy, particularly chimeric antigen receptor (CAR) T-cell therapy, has been remarkable for the speed, scale, and number of drug approvals. Still, these treatments may also bring unusual adverse effects and clinical outcomes including unprecedented long-term survival. Interrogating the tumor microenvironment and identifying better biomarkers hold the key to improving cancer immunotherapies. CAR T-cell therapy has dramatic effect on leukemias and lymphomas with significant cure rates, but has yet to show comparable effect on solid tumors. Cutting-edge technology will improve both processing and clinical effect of such therapies. Asia has the largest, most rapidly aging population and the largest number of cancer patients in the world. Research and development and clinical trial conduct of cancer immunotherapy in Asia remain nascent, but should be a crucial priority.

SUBMITTER: Jain A

PROVIDER: S-EPMC5563384 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Awakening immunity against cancer: a 2017 primer for clinicians.

Jain Amit A Zhang Qing Q Toh Han-Chong HC

Chinese journal of cancer 20170820 1

Cancer immunotherapy has finally joined the pillars of cancer treatment-surgery, radiation, chemotherapy, hormonal therapy, and targeted therapy-in improving cancer patient lives. In the last 5 years, the development of immune checkpoint inhibitor and T cell therapy, particularly chimeric antigen receptor (CAR) T-cell therapy, has been remarkable for the speed, scale, and number of drug approvals. Still, these treatments may also bring unusual adverse effects and clinical outcomes including unpr ...[more]

PMID: 28823251

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Project description:BACKGROUND:Tafenoquine, an 8-aminoquinoline, is now indicated for causal prophylaxis against all human malarias and as radical curative (anti-relapse) treatment against Plasmodium vivax and Plasmodium ovale. As with other 8-aminoquinolines, tafenoquine causes hemolysis in individuals with glucose-6-phosphate dehydrogenase (G6PD) deficiency (hemizygous males and homozygous females) and is contraindicated in this population. Those with intermediate G6PD activity (heterozygous females) are also at risk for hemolysis. Awareness of how to prescribe tafenoquine in relation to G6PD status is needed so it can be used safely. METHODS:A standard literature search was performed on varying combinations of the terms tafenoquine, Arakoda, Kodatef, Krintafel, Kozenis, primaquine, G6PD deficiency, malaria prophylaxis and radical cure. The data were gathered and interpreted to review how tafenoquine should be prescribed in consideration of the G6PD status of an individual and traveller. RESULTS:Tafenoquine should only be given to those with G6PD activity >70% of the local population median. Qualitative G6PD tests are sufficient for diagnosing G6PD deficiency in males. However, in females quantitative G6PD testing is necessary to differentiate deficient, intermediate and normal G6PD statuses. Testing for G6PD deficiency is mandatory before tafenoquine prescription. Measures can be taken to avoid tafenoquine administration to ineligible individuals (i.e. due to G6PD status, age, pregnancy and lactation). Primaquine is still necessary for some of these cases. This review provides actions that can be taken to diagnose and manage hemolysis when tafenoquine is given inadvertently to ineligible individuals. CONCLUSION:Attention to G6PD status is required for safe prescription of tafenoquine. A high index of suspicion is needed if hemolysis occurs. Clinicians should seek evidence-based information for the management and treatment of iatrogenicy hemolysis caused by 8-aminoquinolines.

Dataset Information

Awakening immunity against cancer: a 2017 primer for clinicians.

Publications

Awakening immunity against cancer: a 2017 primer for clinicians.

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