Abstract
Background: Mortality of the older adult population suffering from COVID-19 has been increasing at an alarming rate, and people older than 76 years of age reported 18% mortality. Mainly, the EU and USA exhibited a greater fatality rate due to lack of selective immunization and anti-SARS Co-V-2 therapeutics. Very limited reports are available to delineate the impact of COVID-19 on the geriatric population and the failures of aminoquinoline therapy.
Methods: We performed a substantial literature review in the PubMed/Medline databases to extract the information pertaining to the COVID-19 impact on the geriatric population and recent failures of aminoquinoline therapy in COVID-19 patients of EU, China, USA and the requirement of vaccination.
Results and Discussions: Both parental strains and mutant variants of SARS Co-V-2 can induce severe respiratory complications, multiorgan failure, and clotting abnormalities in older adults due to low immunocompetence. Aminoquinoline derivatives, such as chloroquine (CQ) and hydroxychloroquine (HCQ), are preferred primarily for COVID-19 treatment, but several controversies are being reported for its usage worldwide. In this review, we have provided the effects of COVID-19 on the geriatric population of EU and an overview of the mechanism of action of aminoquinolines. Furthermore, CQ and HCQ are not the preferred choice of drugs if the COVID-19 patients already have existing co-morbid conditions viz., diabetes mellitus and hypertension.
Conclusion: A new advent of COVID-19 vaccines, such as nucleic acid-based (DNA/mRNA) vaccines, protein subunit vaccines, viral vector vaccines, and inactivated vaccines, have been developed for treating SARS-CoV-2 infection after the failure of aminoquinoline therapy in EU, China, and USA patients. However, some of the vaccines are yet to be examined against mutant strains of SARS CoV-2 that originated in the UK, Nigeria, South Africa, Brazil, and India.
Keywords: Geriatric population, aminoquinoline therapy, CQ, HCQ, SARS CoV-2, pharmacology, clinical studies.
Current Medicinal Chemistry
Title:COVID-19 Effects on Geriatric Population and Failures of Aminoquinoline Therapy: Compilation of Studies from EU, USA, and China; Safety and Efficacy of Vaccines in the Prevention and Treatment of COVID-19
Volume: 29 Issue: 20
Author(s): Narasimha M. Beeraka, SubbaRao V. Tulimilli, Mandya V. Greeshma, Siva Dallavalasa, Yaowen Zhang, Wenjing Xiao, Ruitai Fan, Di Zhao, Anjali D.S. Bettadapura, Suma M. Nataraj, SubbaRao V. Madhunapantula*Junqi Liu*
Affiliation:
- Department of Biochemistry (A DST-FIST Supported Department), Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR; A DST-FIST Supported Center), JSS Medical College, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
- Leader, Special Interest Group in Cancer Biology and Cancer Stem Cells (SIG-CBCSC), JSS Medical College, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, #1 Jianshedong Str., Zhengzhou, 450052, China
- Department of Radiation Oncology, Anyang Cancer Hospital, The Fourth Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, Anyang, China
Keywords: Geriatric population, aminoquinoline therapy, CQ, HCQ, SARS CoV-2, pharmacology, clinical studies.
Abstract:
Background: Mortality of the older adult population suffering from COVID-19 has been increasing at an alarming rate, and people older than 76 years of age reported 18% mortality. Mainly, the EU and USA exhibited a greater fatality rate due to lack of selective immunization and anti-SARS Co-V-2 therapeutics. Very limited reports are available to delineate the impact of COVID-19 on the geriatric population and the failures of aminoquinoline therapy.
Methods: We performed a substantial literature review in the PubMed/Medline databases to extract the information pertaining to the COVID-19 impact on the geriatric population and recent failures of aminoquinoline therapy in COVID-19 patients of EU, China, USA and the requirement of vaccination.
Results and Discussions: Both parental strains and mutant variants of SARS Co-V-2 can induce severe respiratory complications, multiorgan failure, and clotting abnormalities in older adults due to low immunocompetence. Aminoquinoline derivatives, such as chloroquine (CQ) and hydroxychloroquine (HCQ), are preferred primarily for COVID-19 treatment, but several controversies are being reported for its usage worldwide. In this review, we have provided the effects of COVID-19 on the geriatric population of EU and an overview of the mechanism of action of aminoquinolines. Furthermore, CQ and HCQ are not the preferred choice of drugs if the COVID-19 patients already have existing co-morbid conditions viz., diabetes mellitus and hypertension.
Conclusion: A new advent of COVID-19 vaccines, such as nucleic acid-based (DNA/mRNA) vaccines, protein subunit vaccines, viral vector vaccines, and inactivated vaccines, have been developed for treating SARS-CoV-2 infection after the failure of aminoquinoline therapy in EU, China, and USA patients. However, some of the vaccines are yet to be examined against mutant strains of SARS CoV-2 that originated in the UK, Nigeria, South Africa, Brazil, and India.
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Cite this article as:
Beeraka M. Narasimha, Tulimilli V. SubbaRao, Greeshma V. Mandya, Dallavalasa Siva, Zhang Yaowen, Xiao Wenjing, Fan Ruitai, Zhao Di, Bettadapura D.S. Anjali, Nataraj M. Suma, Madhunapantula V. SubbaRao*, Liu Junqi*, COVID-19 Effects on Geriatric Population and Failures of Aminoquinoline Therapy: Compilation of Studies from EU, USA, and China; Safety and Efficacy of Vaccines in the Prevention and Treatment of COVID-19, Current Medicinal Chemistry 2022; 29 (20) . https://dx.doi.org/10.2174/0929867329666220301113146
DOI https://dx.doi.org/10.2174/0929867329666220301113146 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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