Methylprednisolone for cognitive deficits in post-COVID-19 syndrome

Phase 2a, Double-blind, Randomized, Placebo-controlled Trial of Methylprednisolone Versus Placebo in Patients with Cognitive Deficits in Post-COVID-19 Syndrome (PCS)

Phase 2 Interventional Charite University, Berlin, Germany · NCT05986422

This study is testing if Methylprednisolone can help improve memory, mood, and overall quality of life for people dealing with cognitive issues after having COVID-19.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment418 (estimated)
Ages18 Years and up
SexAll
SponsorCharite University, Berlin, Germany Academic / other
Locations1 site (Berlin)
Trial IDNCT05986422 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the effects of Methylprednisolone, an immunosuppressant, on cognitive deficits in patients suffering from post-COVID-19 syndrome (PCS). It aims to determine whether this medication can improve memory function, fatigue, mood, and overall quality of life compared to a placebo. Participants will be randomly assigned to receive either Methylprednisolone or a matching placebo for six weeks, followed by a 52-week observation period to assess outcomes and side effects. The study will also stratify participants based on age, sex, and cognitive screening results.

Who should consider this trial

Good fit: Ideal candidates include adults aged 18 and older with a confirmed history of COVID-19 and ongoing cognitive deficits for at least three months.

Not a fit: Patients with ongoing central nervous system diseases or major psychiatric disorders may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could significantly improve cognitive function and quality of life for patients suffering from post-COVID-19 syndrome.

How similar studies have performed: While the approach of using Methylprednisolone for PCS is novel, other studies have explored immunosuppressants for similar conditions with varying degrees of success.

Eligibility criteria

Show full inclusion / exclusion criteria
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)

Where this trial is running

Berlin

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Post-COVID-19 SyndromeLong COVIDCognitive deficits
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.