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This is an open-label, two arm interventional exploratory study to evaluate the safety and efficacy of 5-ALA-Phosphate-SFC during the vaccination of subjects against SARS-CoV-2 (COVID-19) virus infection to define the safety and to activate the immune system during SARS-CoV-2 vaccination.
The primary objective of this study is to determine the safety of a 4 week daily oral administration of 5-ALA-Phosphate + SFC in subjects vaccinated with COVID-19 Vaccine
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This is an open-label, two arm interventional exploratory study to evaluate the safety and efficacy of 5-ALA-Phosphate-SFC during the vaccination of subjects against SARS-CoV-2 (COVID-19) virus infection to define the safety and to activate the immune system during SARS-CoV-2 vaccination.
Arm 1: 100 subjects that were vaccinated with the first dose of a COVID-19 Vaccine (any brand approved in Bahrain is permitted) and that will be treated with 150mg 5-ALA Phosphate/SFC for 28 days and
Arm 2: 100 subjects that were vaccinated with the first dose of a COVID-19 Vaccine (any brand approved in Bahrain is permitted) only (Control)
The duration of this clinical study will depend on the type of the vaccine, the subject was administered with.
Primary Endpoints: All treatment emergent AEs and SAEs Grade III and IV (CTC) with reasonable possibility of causal relationship to 5-ALA-Phosphate + SFC
Secondary Endpoint:
Exploratory Endpoints:
Safety:
The following safety endpoints will be assessed:
Efficacy:
Efficacy will be assessing the immune system related T-helper cells and antibodies after SARS-CoV-2 vaccination for each subject.
From day 0 onwards, all subjects keep a subject diary, which they fill out daily in order to record the dosage with the study treatment. Patients must meet the testing requirements on the day of the first vaccination (Day 0) and on the Day of the second vaccination and on Day 28 and on Follow-up visit.
The food supplement 5-Aminolevulinic acid phosphate and Sodium ferrous citrate (5-ALA-Phosphate + SFC) will be administered orally daily for 4 weeks at the following TOTAL daily doses:
Subjects in the vaccination + ALA/SFC arm (Arm 1) will receive:
• In total 3 capsules of 50 mg 5-ALA-Phosphate and 28.68 mg SFC (3.04 mg as Fe) per day, 2 capsules in the morning and 1 capsule in the evening resulting in 150 mg 5-ALA-Phosphate and 86.04 mg SFC ( 9.12 mg as Fe) total daily dose for 28 days
Heme is critical for appropriate oxygen binding and delivery to remote site and without the heme contained within the hemoglobin tetramer, multicellular organisms would be unable to survive. Furthermore HO-1 degrades heme into biliverdin, carbon monoxide (CO), and iron, and biliverdin is immediately reduced and turned into bilirubin by biliverdin reductase. Biliverdin/bilirubin and CO both have anti-oxidative functions and they regulate important biological processes like inflammation, apoptosis, cell proliferation, fibrosis, and angiogenesis. Therefore, HO-1 is deemed to be a promising drug target (Ryter 2006). HO-1 is a major anti-inflammatory enzyme and a key regulator that induces immune tolerance.
5-ALA-Phosphate + SFC increases heme metabolism and HO-1 via enhancement of porphyrin biology and utilizes the HO-1 for endothelial pacification strategy. Nishio reported 2014 that 5-aminolevulinic acid, a precursor of heme, in combination with divalent iron (SFC) is also able to induce HO-1 in vitro (Nishio 2014). This was attributed to the upregulation of heme synthesis and that 5-ALA+SFC transiently increased the intracellular heme amount through the phosphorylation of ERK / p38 and the nuclear translocation of a transcription factor Nrf2, as well as the depletion of a repressor protein BACH1 binding to the promoter site of HO-1. Similarly, Nakaso et al., 2003, Nishio et al., 2014, Ogawa et al., 2001, Saito et al., 2017 found that hemin administration promoted Nrf2 nuclear translocation and BACH1 dissociation leading to HO-1 induction.
Ito found in 2018 that the combination of 5-ALA 600 mg and sodium ferrous citrate (SFC) 942 mg upregulated HO-1 in PBMC at 8 h after administration while sole administration of 5-ALA or SFC was unable to induce HO-1. HO-1 in blood myeloid and plasmacytoid dendritic cells was also upregulated by the combination of 5-ALA + SFC.
In summary the versatility of the administration of 5-ALA plus iron citrate (SFC) enables the body to counteract the inflammatory reactions that the virus induces in the endothelial system and multiple organs in the event of a virus attack by increasing the formation of HO-1.
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Data sourced from clinicaltrials.gov
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