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ClinicalTrials.gov 4 recruiting now small index

Quadrantanopia clinical trials

4 of 6 indexed Quadrantanopia trials are currently recruiting.

Corpus placement: #2,866 of 28,707 conditions by registered trial count.

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6 US clinical trials · 4 currently recruiting · #2,866 of 28,707 conditions by registered trial count

Quadrantanopia: 6 US clinical trials tracked, 4 recruiting.

Quadrantanopia is the subject of 6 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. The most active sponsor is University of Rochester, running 4 of these trials.

Enrollment posture brief

Registry condition quadrantanopia

OPEN 4 | RECR 67% | LATE 0 | EARLY 0 | RANK #2866 | SPON 4

Volume-matched condition peers

Nearest open-share peer: Adenocarcinoma of Lung (67% recruiting · 6 trials)

Quadrantanopia (this)67%Acute Hypoxemic Respiratory 66.7%Abdominal Aortic Aneurysms50%Acupuncture50%Acute Lymphoblastic Leukemia50%
Open-enrollment share among volume-matched conditions near Quadrantanopia

Quadrantanopia lists 4 open slots (67% of 6 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 Quadrantanopia 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.

  1. Quadrantanopia is recruiting above its size-band peers.

    4 of 6 indexed trials (66.7%) 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.

  2. One sponsor concentrates Quadrantanopia research.

    University of Rochester accounts for 4 of 6 trials (66.7%). 3 distinct sponsors appear on at least one study for this condition label.

  3. Most Quadrantanopia trials plan to enrol fewer than 100 people.

    Median target enrolment is 48 among the 6 trials that report a genuine target (sentinel values excluded). 5 of those (83.3%) plan for fewer than 100 participants.

  4. Quadrantanopia research is mostly interventional.

    6 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase Distribution

Phase data not available

Top Sponsors

University of Rochester 4 trials
Georgetown University 1 trials
Beth Israel Deaconess Medical Center 1 trials

Named interventions

Most-linked intervention names on Quadrantanopia records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

transcranial random noise stimulation (tRNS) Device
2 trials
Training in the intact field Device
1 trials
Training in the blind field Device
1 trials
Chronic Training in the blind field Device
1 trials
Subacute Training in the blind field Device
1 trials
Subacute Training in the intact field Device
1 trials
Virtual Reality Based Visual Training Behavioral
1 trials
Computer Based Visual Training Behavioral
1 trials

US sites by state

Facility locations filed on Quadrantanopia trials. A trial with sites in several states counts in each.

New York 4 trials
Pennsylvania 1 trials
Massachusetts 1 trials
Florida 1 trials
District of Columbia 1 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Related

Read our methodology - how this data is sourced, computed, and verified.

What to do with this Quadrantanopia page

6 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

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 Quadrantanopia condition card totals 6 registered trials; most-linked intervention transcranial random noise stimulation (tRNS); top US site state New York. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.