This study will compare the effects of AXA1125, an orally active mixture of amino acids, compared to placebo, on improving muscle function (metabolism) following moderate exercise in subjects with fatigue-Predominant Post-Acute Sequelae of SARS-CoV-2 as well as the safety and tolerability of AXA1125. Subjects will take one dose of AXA1125 or a placebo twice daily for 28 days.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
41
Oxford University Hospitals NHS Foundation Trust
Oxford, United Kingdom
Change from baseline at Week 4 in the phosphocreatine (PCr) recovery rate following moderate exercise, as assessed by 31P-magnetic resonance spectroscopy (MRS)
Time frame: Baseline to 28 days
Change from baseline in PCr recovery rate as assessed by phosphorus magnetic resonance spectroscopy (31P-MRS)
Time frame: Baseline to 28 days
Proportion of subjects with improvement in PCr recovery rate
Time frame: Baseline to 28 days
Change from baseline in serum lactate level after a 6-minute walk test
Time frame: Baseline to 28 days
Proportion of subjects with serum lactate level ≤3 mmol/L after a 6MWT
Time frame: Baseline to 28 days
Proportion of subjects with a decrease in venous serum lactate level from baseline after a 6MWT
Time frame: Baseline to 28 days
Change from baseline in distance traveled during a 6MWT
Time frame: Baseline to 28 days
Change from baseline in subjects' fatigue score as assessed by Chalder Fatigue Questionnaire (CFQ)-11
Time frame: Baseline to14 days
Change from baseline in subjects' fatigue score as assessed by Chalder Fatigue Questionnaire (CFQ)-11 before and after a 6MWT
Time frame: Baseline to 28 days
Proportion of subjects with an improvement in fatigue score as assessed by CFQ-11 before and after a 6MWT
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Time frame: Baseline to 28 days