Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Chemo Fog: early-phase trial registry
1 of 2 indexed Chemo Fog trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #7,188 of 28,707 conditions by registered trial count.
2 US clinical trials · 1 currently recruiting · #7,188 of 28,707 conditions by registered trial count
Chemo Fog: 2 US clinical trials tracked, 1 recruiting.
Chemo Fog is the subject of 2 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Joseph McCollom, running 1 of these trials.
Enrollment posture brief
Registry condition chemo-fog
OPEN 1 | RECR 50% | LATE 0 | EARLY 1 | RANK #7188 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)
Chemo Fog lists 1 open slots (50% of 2 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 Chemo 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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Chemo Fog is recruiting above its size-band peers.
1 of 2 indexed trials (50%) 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.
Open and recent trials
2 total, page 1 of 1
Cognitive Impairment in Colorectal Cancer Patients Receiving Cytotoxic Chemotherapy
Joseph McCollom
NCT05014399
Nicotinic Treatment of Post-Chemotherapy Subjective Cognitive Impairment: A Pilot Study
Vanderbilt University Medical Center
NCT02312934
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Chemo Fog records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Chemo 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 Chemo Fog page
2 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Chemo Fog trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Joseph McCollom sponsors the most Chemo Fog trials on record, review their full trial history before evaluating a specific study. See Joseph McCollom'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 Chemo Fog condition card totals 2 registered trials; most-linked intervention Placebo Transdermal Patch; top US site state Tennessee. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.