Steroid trial for COVID brain fog halted early

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * History of confirmed (PCR or serology) SARS-CoV-2 infection according to WHO criteria * Ongoing symptoms of PCS for ≥ 3 months * Self-reported cognitive deficits at screening * Male or female adult who is 18 years or older at the time of informed consent * Subject is willing, understanding and able to provide informed consent * Signed informed consent prior to initiation of any trial related measure * For female subject or divers subjects: 1. Confirmed post-menopausal state, defined as amenorrhea for at least 12 months, or 2. If being of childbearing potential: 1. Negative highly sensitive urine or serum pregnancy test before inclusion, and 2. Practicing a highly effective birth control method (failure rate of less than 1%) Exclusion Criteria: * Any ongoing central nervous system disease * Any major psychiatric disease within the last 10 years * Previous medical history of gastric ulcer, osteoporosis and/or previous vertebral fractures, rheumatological disease or metabolic disease including diabetes mellitus * Ongoing immunosuppressive therapy * Patient is pregnant or breastfeeding at screening * MMQ memory satisfaction subdomain \>50 points at Screening * Current malignant disease (including space-occupying brain tumors) * Body weight \<45kg * Severe lactose intolerance * Participation in another clinical interventional trial within the last 3 months or five half- lives of the other trial's IMP, if longer than 6 months previous to informed consent * Patient is institutionalized by order of court or public authority * Patient who might be dependent on the sponsor, the investigator or the trial site * Place of living does not allow the subject to attend the planned study visits * Other conditions that are likely to affect to safety of the study treatment (e.g., severely impaired immune status)