Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Brain Fog clinical trials
3 of 7 indexed Brain Fog trials are currently recruiting.
Corpus placement: #2,497 of 28,707 conditions by registered trial count.
7 US clinical trials · 3 currently recruiting · #2,497 of 28,707 conditions by registered trial count
Brain Fog: 7 US clinical trials tracked, 3 recruiting.
Brain Fog is the subject of 7 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. The most active sponsor is University of California, Los Angeles, running 2 of these trials.
Enrollment posture brief
Registry condition brain-fog
OPEN 3 | RECR 43% | LATE 0 | EARLY 0 | RANK #2497 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Adrenoleukodystrophy (43% recruiting · 7 trials)
Brain Fog lists 3 open slots (43% of 7 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Brain Fog on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Brain Fog is recruiting below its size-band peers.
3 of 7 indexed trials (42.9%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Brain Fog research.
University of California, Los Angeles accounts for 2 of 7 trials (28.6%). 6 distinct sponsors appear on at least one study for this condition label.
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Most Brain Fog trials plan to enrol fewer than 100 people.
Median target enrolment is 31 among the 7 trials that report a genuine target (sentinel values excluded). 5 of those (71.4%) plan for fewer than 100 participants.
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Brain Fog research is mostly interventional.
6 interventional and 1 observational studies make up this index (85.7% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
7 total, page 1 of 1
Neural and Cognitive Consequences of COVID-19 Survival
San Francisco Veterans Affairs Medical Center
NCT06208943
A Study to Evaluate the Effects of a Supplement on the Side Effects Associated With Stimulant Medications
Outliers
NCT07380412
Long COVID Brain Fog: Cognitive Rehabilitation Trial
University of Alabama at Birmingham
NCT06095297
Impact of a Novel Brain Longevity Supplement Containing the Postbiotic Urolithin A (Mitopure) on Cognitive Function and Related Health Outcomes
Amazentis
NCT07060898
A Pilot rTMS Trial for Neuropsychiatric Symptoms of Long-COVID
University of California, Los Angeles
NCT06586398
Effect of Daily Walnut Consumption on Memory in Subjects With Long-COVID
University of California, Los Angeles
NCT07429903
Transcranial Direct Current Stimulation (tDCS)
Baylor College of Medicine
NCT05524233
Phase Distribution
Phase data not available
Top Sponsors
Named interventions
Most-linked intervention names on Brain Fog records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Brain Fog trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Brain Fog page
7 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 3 Brain Fog trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- University of California, Los Angeles sponsors the most Brain Fog trials on record, review their full trial history before evaluating a specific study. See University of California, Los Angeles's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Brain Fog condition card totals 7 registered trials; most-linked intervention Active Transcranial Direct Stimulation; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.