Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Chemo-brain: early-phase trial registry
3 of 5 indexed Chemo-brain trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #3,391 of 28,707 conditions by registered trial count.
5 US clinical trials · 3 currently recruiting · #3,391 of 28,707 conditions by registered trial count
Chemo-brain: 5 US clinical trials tracked, 3 recruiting.
Chemo-brain is the subject of 5 registered US clinical trials on ClinicalTrials.gov, 3 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-brain
OPEN 3 | RECR 60% | LATE 0 | EARLY 1 | RANK #3391 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Acute Kidney Injury (AKI) (60% recruiting · 5 trials)
Chemo-brain lists 3 open slots (60% of 5 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-brain 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-brain is recruiting above its size-band peers.
3 of 5 indexed trials (60%) 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 Chemo-brain research.
Joseph McCollom accounts for 1 of 5 trials (20%). 5 distinct sponsors appear on at least one study for this condition label.
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Most Chemo-brain trials plan to enrol fewer than 100 people.
Median target enrolment is 60 among the 5 trials that report a genuine target (sentinel values excluded). 4 of those (80%) plan for fewer than 100 participants.
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Chemo-brain research is mostly interventional.
4 interventional and 1 observational studies make up this index (80% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
5 total, page 1 of 1
Chemotherapy-induced Cognitive and Brain Changes in Older Adults With Breast Cancer
Massachusetts General Hospital
NCT02290834
Improve Cancer-related Cognitive Impairment
University of Alabama at Birmingham
NCT05864274
Cognitive Impairment in Colorectal Cancer Patients Receiving Cytotoxic Chemotherapy
Joseph McCollom
NCT05014399
nCCR for Chemotherapy Related Cognitive Impairment Randomized Study
University of Massachusetts, Worcester
NCT05283629
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-brain records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Chemo-brain 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-brain page
5 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 3 Chemo-brain trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Joseph McCollom sponsors the most Chemo-brain 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-brain condition card totals 5 registered trials; most-linked intervention Placebo Transdermal Patch; top US site state Massachusetts. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.