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Yong SJ, Halim A, Halim M, Ming LC, Goh KW, Alfaresi M, AlShehail BM, Al Fares MA, Alissa M, Sulaiman T, Alsalem Z, Alwashmi ASS, Khamis F, Al Kaabi NA, Albayat H, Alsheheri A, Garout M, Alsalman J, Alfaraj AH, Alhajri M, Dhama K, Alburaiky LM, Alsanad AH, AlShurbaji AT, Rabaan AA. Experimental drugs in randomized controlled trials for long-COVID: what's in the pipeline? A systematic and critical review. Expert Opin Investig Drugs 2023; 32:655-667. [PMID: 37534972 DOI: 10.1080/13543784.2023.2242773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 07/26/2023] [Indexed: 08/04/2023]
Abstract
INTRODUCTION Over three years have passed since the emergence of coronavirus disease 2019 (COVID-19), and yet the treatment for long-COVID, a post-COVID-19 syndrome, remains long overdue. Currently, there is no standardized treatment available for long-COVID, primarily due to the lack of funding for post-acute infection syndromes (PAIS). Nevertheless, the past few years have seen a renewed interest in long-COVID research, with billions of dollars allocated for this purpose. As a result, multiple randomized controlled trials (RCTs) have been funded in the quest to find an effective treatment for long-COVID. AREAS COVERED This systematic review identified and evaluated the potential of current drug treatments for long-COVID, examining both completed and ongoing RCTs. EXPERT OPINION We identified four completed and 22 ongoing RCTs, investigating 22 unique drugs. However, most drugs were deemed to not have high potential for treating long-COVID, according to three pre-specified domains, a testament to the ordeal of treating long-COVID. Given that long-COVID is highly multifaceted with several proposed subtypes, treatments likely need to be tailored accordingly. Currently, rintatolimod appears to have modest to high potential for treating the myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) subtype, LTY-100 and Treamid for pulmonary fibrosis subtype, and metformin for general long-COVID prevention.
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Affiliation(s)
- Shin Jie Yong
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, Subang Jaya, Malaysia
| | - Alice Halim
- Shanghai Medical College, Fudan University, Shanghai, China
| | - Michael Halim
- Department of Biomedical Science, School of Science, Engineering and Environment, University of Salford, Greater Manchester, UK
| | - Long Chiau Ming
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, Subang Jaya, Malaysia
| | - Khang Wen Goh
- Faculty of Data Science and Information Technology, INTI International University, Nilai, Malaysia
| | - Mubarak Alfaresi
- Department of Pathology and Laboratory Medicine, Zayed Military Hospital, Abu Dhabi, United Arab Emirates
- Department of Pathology, College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
| | - Bashayer M AlShehail
- Pharmacy Practice Department, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Mona A Al Fares
- Department of Internal Medicine, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Mohammed Alissa
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Tarek Sulaiman
- Infectious Diseases Section, Medical Specialties Department, King Fahad Medical City, Riyadh, Saudi Arabia
| | - Zainab Alsalem
- Department of Epidemic Diseases Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Ameen S S Alwashmi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah, Saudi Arabia
| | - Faryal Khamis
- Infection Diseases Unit, Department of Internal Medicine, Royal Hospital, Muscat, Oman
| | - Nawal A Al Kaabi
- College of Medicine and Health Science, Khalifa University, Abu Dhabi, United Arab Emirates
- Sheikh Khalifa Medical City, Abu Dhabi Health Services Company (SEHA), Abu Dhabi, United Arab Emirates
| | - Hawra Albayat
- Infectious Disease Department, King Saud Medical City, Riyadh, Saudi Arabia
| | - Ahmed Alsheheri
- Infectious Disease Department, King Saud Medical City, Riyadh, Saudi Arabia
| | - Mohammed Garout
- Department of Community Medicine and Health Care for Pilgrims, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Jameela Alsalman
- Infection Disease Unit, Department of Internal Medicine, Salmaniya Medical Complex, Ministry of Health, Kingdom of Bahrain, Manama, Bahrain
| | - Amal H Alfaraj
- Pediatric Department, Abqaiq General Hospital, First Eastern Health Cluster, Abqaiq, Saudi Arabia
| | - Mashael Alhajri
- Department of Internal Medicine, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute (IVRI), Bareilly, India
| | - Lamees M Alburaiky
- Pediatric Department, Safwa General Hospital, Eastern Health Cluster, Dammam, Saudi Arabia
| | - Ahlam H Alsanad
- Neonatal Intensive Care Unit, Pediatrics Department, Maternity and Children Hospital, Dammam, Saudi Arabia
| | | | - Ali A Rabaan
- Molecular Diagnostic Laboratory, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
- Department of Public Health and Nutrition, The University of Haripur, Haripur, Pakistan
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Pakhomova A, Pershina O, Nebolsin V, Ermakova N, Krupin V, Sandrikina L, Pan E, Widera D, Dygai A, Skurikhin E. Bisamide Derivative of Dicarboxylic Acid Contributes to Restoration of Testicular Tissue Function and Influences Spermatogonial Stem Cells in Metabolic Disorders. Front Cell Dev Biol 2020; 8:562358. [PMID: 33344442 PMCID: PMC7744787 DOI: 10.3389/fcell.2020.562358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 09/30/2020] [Indexed: 11/13/2022] Open
Abstract
Metabolic syndrome can lead to several challenging complications including degeneration of the pancreas and hypogonadism. Recently, we have shown that Bisamide Derivative of Dicarboxylic Acid (BDDA) can contribute to pancreatic restoration in mice with metabolic disorders via its positive effects on lipid and glucose metabolism, and by increasing the numbers of pancreatic stem cells. In the present study, we hypothesized that BDDA might also be effective in restoring hypogonadism caused by metabolic syndrome. Experiments were performed on male C57BL/6 mice with hypogonadism, where metabolic disorders have been introduced by a combination of streptozotocin treatment and high fat diet. Using a combination of histological and biochemical methods along with a flow cytometric analysis of stem and progenitor cell markers, we evaluated the biological effects of BDDA on testicular tissue, germ cells, spermatogonial stem cells in vitro and in vivo, as well as on fertility. We demonstrate that in mice with metabolic disorders, BDDA has positive effects on spermatogenesis and restores fertility. We also show that BDDA exerts its therapeutic effects by reducing inflammation and by modulating spermatogonial stem cells. Thus, our results suggest that BDDA could represent a promising lead compound for the development of novel therapeutics able to stimulate regeneration of the testicular tissue and to restore fertility in hypogonadism resulting from complications of metabolic syndrome.
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Affiliation(s)
- Angelina Pakhomova
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Tomsk, Russia
| | - Olga Pershina
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Tomsk, Russia
| | | | - Natalia Ermakova
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Tomsk, Russia
| | - Vyacheslav Krupin
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Tomsk, Russia
| | - Lubov Sandrikina
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Tomsk, Russia
| | - Edgar Pan
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Tomsk, Russia
| | - Darius Widera
- Stem Cell Biology and Regenerative Medicine Group, School of Pharmacy, University of Reading, Reading, United Kingdom
| | - Alexander Dygai
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Tomsk, Russia
| | - Evgenii Skurikhin
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Tomsk, Russia
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Skurikhin E, Nebolsin V, Widera D, Ermakova N, Pershina O, Pakhomova A, Krupin V, Pan E, Zhukova M, Novikov F, Sandrikina L, Morozov S, Kubatiev A, Dygai A. Antifibrotic and Regenerative Effects of Treamid in Pulmonary Fibrosis. Int J Mol Sci 2020; 21:ijms21218380. [PMID: 33171668 PMCID: PMC7664690 DOI: 10.3390/ijms21218380] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/26/2020] [Accepted: 11/06/2020] [Indexed: 12/16/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic progressive disease characterized by interstitial fibrosis and progressive respiratory failure. Pirfenidone and nintedanib slow down but do not stop the progression of IPF. Thus, new compounds with high antifibrotic activity and simultaneously regenerative activity are an unmet clinical need. Recently, we showed that Treamid can help restoring the pancreas and testicular tissue in mice with metabolic disorders. We hypothesized that Treamid may be effective in antifibrotic therapy and regeneration of damaged lung tissue in pulmonary fibrosis. In this study, experiments were performed on male C57BL/6 mice with bleomycin-induced pulmonary fibrosis. We applied histological and immunohistochemical methods, ELISA, and assessed the expression of markers of endothelial and epithelial cells in primary cultures of CD31+ and CD326+ lung cells. Finally, we evaluated esterase activity and apoptosis of lung cells in vitro. Our data indicate that Treamid exhibits antifibrotic activity in mice with pulmonary fibrosis and has a positive effect on capillaries of the lungs. Treamid also increases the number of endothelial progenitor cells in the lungs of animals with pulmonary fibrosis. Lastly, Treamid increases esterase activity and decreases apoptosis of CD31+ lung cells in vitro. Based on these findings, we suggest that Treamid may represent a promising compound for the development of new antifibrotic agents, which are capable of stimulating regeneration of lung endothelium in IPF patients.
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Affiliation(s)
- Evgenii Skurikhin
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Lenin, 3, 634028 Tomsk, Russia; (N.E.); (O.P.); (A.P.); (V.K.); (E.P.); (L.S.); (A.D.)
- Correspondence: ; Tel.: +7-3822-418-375
| | | | - Darius Widera
- Stem Cell Biology and Regenerative Medicine Group, School of Pharmacy, University of Reading, Whiteknights campus, Reading RG6 6AP, UK;
| | - Natalia Ermakova
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Lenin, 3, 634028 Tomsk, Russia; (N.E.); (O.P.); (A.P.); (V.K.); (E.P.); (L.S.); (A.D.)
| | - Olga Pershina
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Lenin, 3, 634028 Tomsk, Russia; (N.E.); (O.P.); (A.P.); (V.K.); (E.P.); (L.S.); (A.D.)
| | - Angelina Pakhomova
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Lenin, 3, 634028 Tomsk, Russia; (N.E.); (O.P.); (A.P.); (V.K.); (E.P.); (L.S.); (A.D.)
| | - Vyacheslav Krupin
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Lenin, 3, 634028 Tomsk, Russia; (N.E.); (O.P.); (A.P.); (V.K.); (E.P.); (L.S.); (A.D.)
| | - Edgar Pan
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Lenin, 3, 634028 Tomsk, Russia; (N.E.); (O.P.); (A.P.); (V.K.); (E.P.); (L.S.); (A.D.)
| | - Mariia Zhukova
- Siberian State Medical University, 634028 Tomsk, Russia;
| | - Fedor Novikov
- “PHARMENTERPRISES” Ltd., 143026 Moscow, Russia; (V.N.); (F.N.)
| | - Lubov Sandrikina
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Lenin, 3, 634028 Tomsk, Russia; (N.E.); (O.P.); (A.P.); (V.K.); (E.P.); (L.S.); (A.D.)
| | - Sergey Morozov
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (S.M.); (A.K.)
| | - Aslan Kubatiev
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (S.M.); (A.K.)
| | - Alexander Dygai
- Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Centre of the Russian Academy of Sciences, Lenin, 3, 634028 Tomsk, Russia; (N.E.); (O.P.); (A.P.); (V.K.); (E.P.); (L.S.); (A.D.)
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia; (S.M.); (A.K.)
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