Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Cognitive/Functional Effects: full-pipeline trial registry
1 of 9 indexed Cognitive/Functional Effects trials are currently recruiting.
Corpus placement: #1,916 of 28,707 conditions by registered trial count.
9 US clinical trials · 1 currently recruiting · #1,916 of 28,707 conditions by registered trial count
Cognitive/Functional Effects: 9 US clinical trials tracked, 1 recruiting.
Cognitive/Functional Effects is the subject of 9 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Radiation Therapy Oncology Group, running 2 of these trials.
Enrollment posture brief
Registry condition cognitivefunctional-effects
OPEN 1 | RECR 11% | LATE 1 | EARLY 1 | RANK #1916 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Alcohol Use Disorders (11% recruiting · 9 trials)
Cognitive/Functional Effects lists 1 open slots (11% of 9 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 Cognitive/Functional Effects 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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Cognitive/Functional Effects is recruiting below its size-band peers.
1 of 9 indexed trials (11.1%) 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 Cognitive/Functional Effects research.
Radiation Therapy Oncology Group accounts for 2 of 9 trials (22.2%). 8 distinct sponsors appear on at least one study for this condition label.
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Typical Cognitive/Functional Effects enrolment sits around 82 participants.
Median target enrolment is 82 among the 9 trials that report a genuine target (sentinel values excluded). 5 of those (55.6%) plan for fewer than 100 participants.
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Cognitive/Functional Effects splits between interventional and observational designs.
6 interventional and 3 observational studies make up this index (66.7% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
9 total, page 1 of 1
Registry of Older Patients With Cancer
UNC Lineberger Comprehensive Cancer Center
NCT01137825
Assessment Tool for Older Patients With Cancer
City of Hope Medical Center
NCT00477958
Health Education Materials With/Out a Physical Activity Program for Patients Who Have Undergone Treatment for High-Risk Stage II or Stage III Colon Cancer
Canadian Cancer Trials Group
NCT00819208
Stereotactic Radiation Therapy With or Without Whole-Brain Radiation Therapy in Treating Patients With Brain Metastases
Alliance for Clinical Trials in Oncology
NCT00377156
Natural History of Brain Function, Quality of Life, and Seizure Control in Patients With Brain Tumor Who Have Undergone Surgery
Radiation Therapy Oncology Group
NCT01417507
Effects of Chemotherapy on the Brain in Women With Newly Diagnosed Early-Stage Breast Cancer
University of California, San Francisco
NCT00755313
Evaluation of Memory Skills in Patients Receiving Radiation Therapy for Brain Metastases
Radiation Therapy Oncology Group
NCT00007007
S1008: Exercise, Diet, & Counseling in Improving Weight Loss in Overweight Female Breast or Colorectal Cancer Survivors
SWOG Cancer Research Network
NCT01453452
Irinotecan and Whole-Brain Radiation Therapy in Treating Patients With Brain Metastases From Solid Tumors
University of California, Davis
NCT00389584
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Cognitive/Functional Effects records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Cognitive/Functional Effects 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 Cognitive/Functional Effects page
9 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Cognitive/Functional Effects trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Radiation Therapy Oncology Group sponsors the most Cognitive/Functional Effects trials on record, review their full trial history before evaluating a specific study. See Radiation Therapy Oncology Group'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 Cognitive/Functional Effects condition card totals 9 registered trials; most-linked intervention cognitive assessment; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.