TrialFinder  /  Landscape Report POSTERIOR FOSSA ARACHNOID CYST  ·  2026-07-18 Revasser  /  revasserkernel.com
Landscape Report TrialFinder
SOURCE  ClinicalTrials.gov API v2
GENERATED  2026-07-18
VERSION  v1
SAMPLE  100 of 151 studies

posterior fossa arachnoid cyst

The posterior fossa arachnoid cyst clinical trial landscape includes 151 actively recruiting trials. Semantic expansion identified 151 additional trials beyond exact-match search, representing a 100% discovery lift across related conditions and therapeutic approaches.

Recruiting
151
active trials
Expansion Lift
+100%
151 additional trials
Top Sponsor
Rhaeos, Inc.
4 trials
Dominant Phase
NA
42 of 104 sampled
Pipeline Overview
Phase Distribution
NA
42
Early I
1
Phase 1
10
Phase 2
8
Phase 3
4
Phase 4
1
Other
38
Therapeutic Modalities
DEVICE
42
DRUG
33
DIAGNOSTIC_TEST
24
OTHER
20
PROCEDURE
19
BEHAVIORAL
15
BIOLOGICAL
5
RADIATION
2
Recruiting vs. Completed (2yr)
Recruiting
151
Completed
56
Competitive Landscape
Sponsor Classification
19%
81%
INDUSTRY (7)
OTHER (30)
Top Sponsors
SponsorTrialsClass
Rhaeos, Inc.4INDUSTRY
Beijing Tiantan Hospital3OTHER
I.R.C.C.S. Fondazione Santa Lucia3OTHER
Centre Hospitalier Universitaire de Nice3OTHER
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.3OTHER
Biogen3INDUSTRY
Ataxia Study Group2OTHER
Weill Medical College of Cornell University2OTHER
University of Valencia2OTHER
Second Affiliated Hospital, School of Medicine, Zhejiang University2OTHER
Fondazione I.R.C.C.S. Istituto Neurologico Carlo Besta2OTHER
University of Utah2OTHER
University of Texas Southwestern Medical Center2OTHER
IRCCS Eugenio Medea2OTHER
Children's Hospital of Philadelphia2OTHER
Geographic Distribution
Top U.S. States by Trial Density
StateTrialsTop City
Florida18Tampa
Texas18Houston
California16Los Angeles
Pennsylvania15Philadelphia
Maryland9Baltimore
Ohio9Columbus
Illinois7Chicago
New York7New York
Massachusetts7Boston
Tennessee6Memphis
Minnesota5Rochester
Utah5Salt Lake City
Virginia5Richmond
Missouri5St Louis
Washington5Seattle
Colorado4Aurora
New Jersey4Newark
Iowa3Iowa City
North Carolina3Morrisville
District of Columbia3Washington D.C.
Expansion Intelligence
+100%
Discovery lift — trials found by semantic expansion that exact-match search misses entirely. This is the gap competitors don't see.
1
Exact
2
Parent
2
Region
1
System
3
Related
2
Comorbid
2
Therapeutic
Top Expansion Terms
  • arachnoid cyst Parent
  • intracranial cyst Parent
  • posterior fossa Region
  • cerebellar Region
  • central nervous system cyst System
  • Chiari malformation Related
  • hydrocephalus Related
  • Dandy-Walker Related
  • cerebellar cognitive affective syndrome Comorbid
  • posterior fossa syndrome Comorbid

These terms are curated from clinical literature — not generated by a language model. Each captures trials that use variant nomenclature for the same underlying condition or therapeutic area.

Key Findings
What This Landscape Means for posterior fossa arachnoid cyst
high
Standard searches miss 100% of relevant trials for posterior fossa arachnoid cyst — semantic expansion across related conditions and therapeutic approaches is essential for complete landscape visibility.
151 additional trials found via expansion vs 0 exact matches
high
4 Phase 3 trials indicate a maturing pipeline with near-term approval potential.
Phase 3 represents 4% of sampled trials
Next Steps
Take Action on This Intelligence
//
Stay Current
Get alerted when new trials open for posterior fossa arachnoid cyst and related conditions. Free tier monitors 1 condition weekly.
Set Up Alerts
[+]
Research Portal
Deploy this intelligence as your organization's permanent research hub — auto-updating, branded, zero hosting cost.
From $497
{<}
API Access
Integrate trial intelligence into your own tools. Full expansion engine, landscape analytics, real-time data.
View Plans
Top Recruiting Trials
20 actively recruiting studies
NCT05535166 PHASE2
Molecular and Clinical Risk-Directed Therapy for Infants and Young Children With Newly Diagnosed Medulloblastoma
St. Jude Children's Research Hospital n=130 Lucille Packard Children's Hospital Stanford Palo Alto, California
Intervention PROCEDURE: Surgical resection — All participants enrolled will undergo surgical resection prior to treatment. The maximal resection that can be achieved...
Eligibility Ages 59 Months
Contact Tabatha E. Doyle, RN · 901-595-2544 · tabatha.doyle@stjude.org
Natural History of Treated Neurocysticercosis and Long-Term Outcomes
National Institute of Allergy and Infectious Diseases (NIAID) n=500 National Institutes of Health Clinical Center Bethesda, Maryland
Eligibility Ages 3 Years – 99 Years
Contact Perla M Adames Castillo, R.N. · (301) 402-8495 · perla.adamescastillo@nih.gov
Longitudinal Measurements of Flow in Cerebrospinal Fluid Shunts With a Wireless Thermal Anisotropy Measurement Device
Rhaeos, Inc. n=130 Tampa Marriott Water Street Tampa, Florida
Intervention DEVICE: Thermal Anisotropy Measurement Device — The study device is a non-invasive sensor that is placed on the study subject's skin overlying an existing implanted CSF...
Eligibility Ages 5 Years – 80 Years
Contact Anna Somera · 855-814-3569 · info@rhaeos.com
Mechanisms of Brain-Heart Injury of Post-Intracranial Hemorrhage
Beijing Tiantan Hospital n=1000 Beijing Tiantan Hospital Affiliated to Capital Medical University Beijing, Beijing Municipality
Intervention DIAGNOSTIC_TEST: Multi-disciplinary assessment — Multi-disciplinary assessment including blood tests, CSF test, electrocardiograms, ultrasound, imaging, etc
Eligibility Ages 18 Years – 80 Years
HOPE From the Cerebellum: TMS-Induced Cognitive Recovery After Stroke
Zi-Xiao Li n=70 Beijing Tiantan hospital Beijing
Intervention DEVICE: iTBS group — iTBS on the contralesional cerebellum, twice a day for seven days
Eligibility Ages 18 Years
Contact Weili Jia, Dr. · +86 13120207987 · jiawl1994@163.com
Effects of Cerebellar tACS-iTBS in Ataxia
I.R.C.C.S. Fondazione Santa Lucia n=30 IRCCS Santa Lucia Foundation Rome, Lazio
Intervention DEVICE: Real (real iTBS/tACS + exergaming) — Stimulation will be applied to the cerebellum. The tACS session duration will be 190 seconds with a frequency of 5 Hz co...
Eligibility Ages 8 Years – 80 Years
Contact Giacomo Koch, Prof. · 0651501181 · g.koch@hsantalucia.it
Gait Analysis Parameter and Upper Limb Evaluation in Adult Patients With Neurological or Metabolic Pathology
Centre Hospitalier Universitaire de Liege n=300 Centre de référence des maladies neuromusculaire, Centre Hospitalier Régional de la Citadelle Liège
Intervention DEVICE: Syde — Syde is an innovative device intended to be used in a home-based environment. It is composed of two watch-like sensors, ...
Eligibility Ages 18 Years
Contact Nicolas Bovy · +3243218095 · Nicolas.Bovy@citadelle.be
Sporadic Degenerative Ataxia With Adult Onset: Natural History Study
Ataxia Study Group n=300 Department of Neurology, Medical University, Innsbruck Innsbruck
Eligibility Ages 40 Years
Contact Ilaria Anna Giordano, MD · 0049 228 287 15750 · ilaria_anna.giordano@ukb.uni-bonn.de
Effects of Intermittent Theta Burst Stimulation (iTBS) on Motor Recovery of Lower Extremity in Chronic Stroke Patients
Danderyd Hospital n=56 Department of Rehabilitation Medicine, Danderyd Hospital, Danderyd, Stockholm 18288 Stockholm
Intervention DEVICE: Intermittent Theta Burst Stimulation — iTBS protocol: 600 pulses at 80% of AMT for 190 sec on the contralesional cerebellum, targeted with the support of a neu...
Eligibility Ages 18 Years
Contact Susanne Palmcrantz, PhD, Associate Professor · 004681235000 · susanne.palmcrantz@ki.se
NCT06874010 PHASE1, PHASE2
A Multiple Ascending Dose Study of DT-216P2 in Patients With Friedreich's Ataxia
Design Therapeutics, Inc. n=20 Scientia Clinical Research Ltd Sydney, New South Wales
Intervention DRUG: DT-216P2 — Active
Eligibility Ages 18 Years – 65 Years
Contact Varlli Scott · +613 8341 6228 · varlli.scott@mcri.edu.au
Efficacy of Omaveloxolone Treatment for Dysphagia in French Patients With Friedreich's Ataxia
Centre Hospitalier Universitaire de Nice n=40 CHU NICE Nice, Alpes Maritimes
Intervention DRUG: SKYCLARYS (omaveloxolone) — Skyclarys is indicated for the treatment of Friedreich's ataxia in adults and adolescents aged 16 and over. Opaque capsu...
Eligibility Ages 16 Years
Contact Andra EZARU · 04 92 03 96 55 · ezaru.a@chu-nice.fr
Shunt-dependency After aSAH - Role of Early Hyperglycaemia in CSF and Blood
Isabel Hostettler n=160 Cantonal Hospital Aarau Aarau
Intervention DIAGNOSTIC_TEST: Cerebrospinal Fluid (CSF) Sample — Samples for glucose in CSF will be taken upon EVD/LD placement until EVD/LD removal (within the first 14 days).
Eligibility Ages 18 Years
Contact Isabel Hostettler, MD PhD · +41 71 494 97 40 · isabel.hostettler@kssg.ch
Characterization of the Cardiac Phenotype of Friedreich's Ataxia (FRDA)
Weill Medical College of Cornell University n=100 Weill Cornell Medicine New York, New York
Intervention PROCEDURE: Cardiac magnetic resonance imaging (CMR) — CMR is a non-invasive way to take a high-resolution image of the heart and vessels. CMR uses powerful magnets and radio ...
Eligibility Ages 12 Years – 50 Years
Contact Niamh Savage, BS · 646-962-5527 · nis2049@med.cornell.edu
Imaging Speech in Neurotypical Adults and Individuals With Cerebellar Stroke
University of Pittsburgh n=100 University of Pittsburgh Pittsburgh, Pennsylvania
Intervention BEHAVIORAL: Neural responses to speech functional localizer — Measuring speech-related brain activity using fMRI during a speech listening task.
Eligibility Ages 18 Years
Contact Jason W Bohland, Ph.D. · 412-383-3416 · j.bohland@pitt.edu
NCT05001750 PHASE1
Prophylactic Antibiotics Useful With Antibiotic Impregnated External Ventricular Drains (EVDs)?
Montefiore Medical Center n=84 Montefiore Medical Center The Bronx, New York
Intervention DRUG: Long term (continuous) prophylactic antibiotics — VRIs in patients who also receive a pre-procedural dose of antibiotics with continued dosing of antibiotics for the dura...
Eligibility Ages 18 Years
Contact David C Altschul, MD · 7189204965 · daltschul@montefiore.org
Cerebellar TMS and Satiety in Prader-Willi Syndrome
Brigham and Women's Hospital n=20 McLean Hospital Belmont, Massachusetts
Intervention DEVICE: Repetitive Transcranial Magnetic Stimulation (rTMS) — rTMS is a technique of TMS that allows for selective external manipulation of neural activity in a non-invasive manner. ...
Eligibility Ages 18 Years – 64 Years
Contact Laura Holsen, PhD · 617-525-8772 · lholsen@bwh.harvard.edu
Flow Detection in Open and Closed Shunt Valve Periods
Rhaeos, Inc. n=55 OSF Healthcare Peoria, Illinois
Intervention DEVICE: Rhaeos Shunt Monitoring System — characters, and fully aligned with your protocol: The intervention consists of use of a noninvasive, wireless thermal fl...
Contact Anna Somera · 855-814-3569 · info@rhaeos.com
NCT06303960 EARLY_PHASE1
Cerebellar Deep Brain Stimulation or VNS for Chronic Post-stroke Motor Rehabilitation
Qilu Hospital of Shandong University n=100 Chao Zhang Jinan, Shandong
Intervention DEVICE: Bilateral Cerebellar deep brain stimulation — Participants underwent stereotactic implantation of a single DBS lead in the area of the cerebellar DN contralateral to ...
Eligibility Ages 30 Years – 75 Years
Interposed Nucleus aDBS for Ataxia
University of Florida n=5 Norman Fixel Institute for Neurological Diseases Gainesville, Florida
Intervention DEVICE: Deep Brain Stimulation — This device will be surgically implanted into the interposed nucleus of the cerebellum.
Eligibility Ages 21 Years – 89 Years
Contact Coralie de Hemptinne, PhD · (352) 733-3048 · Coralie.deHemptinne@neurology.ufl.edu
NIRS Monitoring in Premature Infants
Boston Children's Hospital n=70 Boston Children's Hospital Boston, Massachusetts
Intervention PROCEDURE: ETV/CPC — endoscopic third ventriculostomy (ETV) combined with choroid plexus cauterization (CPC) is a surgical procedure to treat...
Eligibility Ages 0 Months – 12 Months
Contact Pei-Yi Lin, PhD · ivy.lin@childrens.harvard.edu