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. 2023 Aug 10;14(17):2944–2954. doi: 10.1021/acschemneuro.3c00486

Table 2. List of Antioxidant Based Clinical Trials Pertaining to AD.

compounds subjects intervention/dosage outcomes ref
vitamin E, selegiline, vitamin E + selegiline patients with moderate AD (N = 341) vitamin E (2000 IU/day), selegiline (10 mg/day); vitamin E + selegiline administered for 2 years patients with moderately severe cognitive impairment reported a reduction in the functional progression of the disease (124)
vitamin E, memantine, vitamin E + memantine patients with mild to moderate AD (N = 613) vitamin E (1000 IU twice daily), memantine (10 mg twice daily over 4 weeks) for 5 years in patients with mild to moderate AD, vitamin E resulted in slower functional decline; no significant differences were observed in the groups receiving memantine alone or vitamin E + memantine (125)
vitamin E, vitamin C patients with mild to moderate AD (N = 23) vitamin E (400 IU/day), duration not known; vitamin C (1000 mg/day) for 1 year daily intake of vitamin C combined vitamin E did not significantly affect the course of AD over a year (126)
vitamin E, vitamin C, α-lipoic acid patients with mild to moderate AD (N = 78) placebo, vitamin E (800 IU/day), vitamin C (500 mg/day), α-lipoic acid (900 mg/day), or CoQ10 (400 mg, 3 times/day) for 4 months no significant differences observed in CSF antioxidative biomarker levels (127)
Gingko biloba subjects with normal cognition (N = 2587) or MCI (N = 482) placebo, Gingko biloba extract (120 mg, twice daily) with a median follow-up time of 6.1 years Gingko biloba extract was ineffective in reducing the incidence rate of dementia or AD (or possibly MCI) in the subjects; is it MCI or AD as title says MCI? (128)
desferriox-amine (DFO) patients with probable AD (N = 48) no treatment, placebo, DFO (125 mg intramuscularly twice daily, 5 days per week, for 24 months) DFO treatment significantly reduced the rate of decline in daily skills (129)
selenium, probiotics, selenium + probiotics patients with AD (N = 79) Se (200 mg/day) plus probiotic containing Lactobacillus acidophilus, Bifidobacterium bifidum, and Bifidobacterium longum (2 × 109 CFU/day each) selenium and probiotic cosupplementation was reported to improve cognitive function and metabolic profiles in AD patients (130)
curcumin nondemented individuals (N = 40) curcumin (90 mg twice daily), for 18 months; what type of trial? daily oral supplementation likely lead to improved memory and attention (131)