Perceptual disorders
MONDO:0024417Cognitive disorders characterized by an impaired ability to perceive the nature of objects or concepts through use of the sense organs. These include spatial neglect syndromes, where an individual does not attend to visual, auditory, or sensory stimuli presented from one side of the body.
2012 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsSub-types
Broader categories
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Video game therapy for lazy eye shows early promise, but trial cut short
Disease control TerminatedThis trial tested a computer-based therapy called AmblyoFix for treating lazy eye (amblyopia) in 40 people aged 8 to 19. Participants either used the therapy for 90 minutes daily or wore a standard eye patch. The study was stopped early, and only 4-week data is available, making …
Phase: NA • Sponsor: Eyesight Electronics • Aim: Disease control
Last updated Jun 27, 2026 12:04 UTC
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New drug aims to tame hard-to-control seizures in rare mitochondrial disorders
Disease control TerminatedThis study tested a drug called vatiquinone in 68 people with mitochondrial disease and epilepsy that doesn't respond to standard treatments. Participants were randomly assigned to receive either vatiquinone or a placebo for 24 weeks to see if the drug could reduce the number of …
Phase: PHASE2, PHASE3 • Sponsor: PTC Therapeutics • Aim: Disease control
Last updated Jun 27, 2026 12:03 UTC
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Epilepsy drug study halted early: BHV-7000 shows limited promise
Disease control TerminatedThis study tested whether BHV-7000, taken alongside other medications, could reduce generalized tonic-clonic seizures in people with idiopathic generalized epilepsy. The trial was terminated early and enrolled only 27 adults aged 18-75. The main goal was to see how long it took f…
Phase: PHASE2, PHASE3 • Sponsor: Biohaven Therapeutics Ltd. • Aim: Disease control
Last updated Jun 27, 2026 12:00 UTC
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Hearing loss pill tested on police officers fizzles out
Disease control TerminatedThis study tested whether the epilepsy drug zonisamide could prevent hearing damage in police officers after shooting range training. Only 3 people enrolled before the study was stopped early. The goal was to see if the drug could reduce hearing loss measured by hearing tests and…
Phase: PHASE2 • Sponsor: Washington University School of Medicine • Aim: Disease control
Last updated Jun 27, 2026 09:04 UTC
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Gene therapy shot for dry AMD shows promise in early trial
Disease control TerminatedThis study tested a single injection of a gene therapy called GT005 in 98 people with geographic atrophy, an advanced form of dry age-related macular degeneration that causes vision loss. The goal was to see if the treatment could slow the growth of damaged areas in the eye and c…
Phase: PHASE2 • Sponsor: Gyroscope Therapeutics Limited • Aim: Disease control
Last updated Jun 27, 2026 09:00 UTC
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Gene therapy shot for dry AMD shows promise but trial halted early
Disease control TerminatedThis study tested a single injection of GT005, a gene therapy, in 255 people with geographic atrophy from dry age-related macular degeneration. The goal was to see if it could slow the growth of blind spots in the eye. The trial was terminated early, so we have less data than hop…
Phase: PHASE2 • Sponsor: Gyroscope Therapeutics Limited • Aim: Disease control
Last updated Jun 27, 2026 09:00 UTC
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Experimental gene injection targets dry AMD
Disease control TerminatedThis early-stage trial tested a gene therapy called GT005 for dry age-related macular degeneration (AMD), a leading cause of vision loss. The therapy delivers a working gene to the retina via a single injection. The study enrolled 56 people and focused on safety and dosing, but w…
Phase: PHASE1, PHASE2 • Sponsor: Gyroscope Therapeutics Limited • Aim: Disease control
Last updated Jun 27, 2026 09:00 UTC
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Experimental gene therapy aims to halt vision loss in rare blindness
Disease control TerminatedThis study tested a gene therapy for retinitis pigmentosa, an inherited eye disease that causes gradual vision loss. The treatment involved injecting a corrected gene under the retina in one eye. The trial included 19 people aged 13 and older with a specific genetic defect. The m…
Phase: PHASE1, PHASE2 • Sponsor: eyeDNA Therapeutics • Aim: Disease control
Last updated Jun 27, 2026 08:05 UTC
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VR headsets tested as a possible treatment for blindness
Disease control TerminatedThis study tested whether using a virtual reality headset for one-hour sessions could help regenerate damaged optic nerves and improve vision in people with glaucoma or other retinal diseases. The idea came from promising results in rodents. However, the trial was terminated earl…
Phase: NA • Sponsor: Stanford University • Aim: Disease control
Last updated Jun 27, 2026 08:03 UTC
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Seizure drug study ends early – safety results awaited
Disease control TerminatedThis study looked at the long-term safety of an experimental drug called CVL-865 in adults whose focal seizures were not controlled by other medications. About 105 people who completed a previous trial took CVL-865 alongside their usual seizure drugs for up to 57 weeks. The study…
Phase: PHASE2 • Sponsor: AbbVie • Aim: Disease control
Last updated Jun 27, 2026 08:03 UTC
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Laser surgery offers new hope for kids with stubborn lazy eye
Disease control TerminatedThis study looked at whether laser eye surgery (PRK) could improve vision in children aged 2 to 17 with lazy eye (amblyopia) caused by large differences in prescription between eyes or very high nearsightedness, farsightedness, or astigmatism. These children had not improved afte…
Phase: NA • Sponsor: Baylor College of Medicine • Aim: Disease control
Last updated Jun 27, 2026 08:02 UTC
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Seizure drug study halted after just one patient
Disease control TerminatedThis study tested the drug perampanel in adults whose seizures did not stop with standard treatments. The goal was to see if it could safely stop seizures and reduce time in the hospital. Only one person enrolled before the study was ended early, so no clear conclusions can be dr…
Phase: PHASE4 • Sponsor: Wayne State University • Aim: Disease control
Last updated Jun 27, 2026 07:54 UTC
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Dravet syndrome drug trial halted early: did lorcaserin help?
Disease control TerminatedThis study tested whether lorcaserin, when added to current medications, could reduce convulsive seizures in people with Dravet syndrome, a severe form of epilepsy. The trial planned to enroll about 22 participants aged 2 and older, but it was terminated early. The main goal was …
Phase: PHASE3 • Sponsor: Eisai Inc. • Aim: Disease control
Last updated Jun 27, 2026 07:53 UTC
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Eye drug trial halted: could danicopan still slow blind spots?
Disease control TerminatedThis Phase 2 study tested an oral drug called danicopan in 365 people with geographic atrophy, an advanced form of dry age-related macular degeneration that causes blind spots. Participants took different doses of danicopan or a placebo for up to 104 weeks to see if it could slow…
Phase: PHASE2 • Sponsor: Alexion Pharmaceuticals, Inc. • Aim: Disease control
Last updated Jun 26, 2026 14:21 UTC
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Virtual reality could spot eye nerve damage earlier than flashlight test
Diagnosis TerminatedThis study tested whether a virtual reality headset combined with machine learning can measure pupil reactions more reliably than the standard flashlight test for Relative Afferent Pupillary Defect (RAPD). About 71 adults with and without known RAPD took part. Researchers compare…
Phase: NA • Sponsor: The University of Texas Medical Branch, Galveston • Aim: Diagnosis
Last updated Jun 27, 2026 13:00 UTC
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Baby brain scan could revolutionize hearing tests
Diagnosis TerminatedThis study tested a device called EarGenie that uses light to measure brain activity in babies while they listen to sounds. The goal was to see if it could accurately detect whether infants can hear and tell sounds apart. The trial included 10 normal-hearing babies aged 1-24 mont…
Phase: NA • Sponsor: The Bionics Institute of Australia • Aim: Diagnosis
Last updated Jun 27, 2026 12:25 UTC
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New screening tool could help spot hearing problems in kids
Diagnosis TerminatedThis study aimed to create and validate a screening tool for auditory processing disorder (APD) in children aged 7 to 13. The tool combines a parent and teacher questionnaire with a short set of hearing tests. The goal was to see if it could accurately identify children who need …
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Diagnosis
Last updated Jun 27, 2026 11:00 UTC
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Breakthrough device aims to catch 'Invisible' hearing loss before It's too late
Diagnosis TerminatedThis study tested a new device called the CochSyn test prototype, which measures brain responses to sound to detect a type of hidden hearing loss called cochlear synaptopathy. The goal was to see if it could identify hearing problems earlier than standard hearing tests. The study…
Phase: NA • Sponsor: University Ghent • Aim: Diagnosis
Last updated Jun 27, 2026 09:03 UTC
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Corn could be key to saving your eyesight
Prevention TerminatedThis study looked at whether eating corn rich in zeaxanthin (a natural pigment) could increase the density of the macular pigment in the eye, which may help prevent age-related macular degeneration (AMD), a leading cause of blindness. Nine healthy volunteers aged 20-35 ate a dail…
Phase: NA • Sponsor: University Hospital, Bordeaux • Aim: Prevention
Last updated Jun 27, 2026 12:37 UTC
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Nasal spray could replace needles for sickle cell pain emergencies
Symptom relief TerminatedThis study tested a nasal spray containing a strong painkiller (sufentanil) for adults with sickle cell disease experiencing a painful crisis. The goal was to see if it could provide faster relief than the standard gas mixture (EMONO) before giving morphine through an IV. The tri…
Phase: PHASE3 • Sponsor: University Hospital, Bordeaux • Aim: Symptom relief
Last updated Jun 27, 2026 14:01 UTC
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No-Pill pain control: Opioid-Free approach after prostate surgery
Symptom relief TerminatedThis study tested whether a combination of non-opioid medicines (ketamine, ketorolac, and acetaminophen) can control pain after robotic prostatectomy as well as standard opioid painkillers. Men aged 40-75 with prostate cancer were randomly assigned to receive either opioids or th…
Phase: PHASE2, PHASE3 • Sponsor: Wake Forest University Health Sciences • Aim: Symptom relief
Last updated Jun 27, 2026 14:00 UTC
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New knee pain block fails to prove extra benefit in small trial
Symptom relief TerminatedThis study looked at whether adding an iPACK nerve block to standard pain treatments (adductor canal block and local injections) helps people feel less pain and recover faster after total knee replacement. Only 10 people were enrolled before the study was stopped early. The goal …
Phase: PHASE4 • Sponsor: University of Calgary • Aim: Symptom relief
Last updated Jun 27, 2026 13:01 UTC
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Can new hearing aid tech cut through noise?
Symptom relief TerminatedThis study looked at whether a special noise reduction feature in Phonak hearing aids helps adults with moderate hearing loss understand speech better in noisy settings. 21 participants tested the Phonak device and a competitor's device in a lab and a real cafe. They completed sp…
Phase: NA • Sponsor: Sonova AG • Aim: Symptom relief
Last updated Jun 27, 2026 13:00 UTC
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Spine surgery pain study halted early: which method works best?
Symptom relief TerminatedThis study aimed to see if a combination of pain medicines (multimodal analgesia) works better than standard care for pain after lower back fusion surgery. It included 50 adults aged 18 to 70. The study was stopped early, so results are limited.
Phase: PHASE4 • Sponsor: OrthoCarolina Research Institute, Inc. • Aim: Symptom relief
Last updated Jun 27, 2026 12:37 UTC
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Study seeks sweet spot for painkiller dose in Children's spine surgery
Symptom relief TerminatedThis study aimed to find the ideal dose of a spinal pain medicine (hydromorphone) for children undergoing back surgery for scoliosis. Researchers tested several doses in 31 patients to balance good pain control with fewer side effects. The trial was stopped early, so the results …
Phase: PHASE4 • Sponsor: Mayo Clinic • Aim: Symptom relief
Last updated Jun 27, 2026 12:33 UTC
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Can a blood pressure drug ease opioid-related pain?
Symptom relief TerminatedThis study looked at whether adding guanfacine to opioid painkillers could reverse the extra pain sensitivity that long-term opioid use can cause. It involved 8 adults with chronic neck or back pain who were already taking opioids. The study was terminated early, so results are l…
Phase: NA • Sponsor: Massachusetts General Hospital • Aim: Symptom relief
Last updated Jun 27, 2026 12:23 UTC
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Could a blood pressure drug ease pain from opioids?
Symptom relief TerminatedThis study looked at whether adding guanfacine (a blood pressure medicine) to morphine could reduce pain sensitivity and tolerance in people with chronic neck or back pain. The study planned to enroll 137 adults who had not taken opioids recently. However, the study was terminate…
Phase: PHASE4 • Sponsor: Massachusetts General Hospital • Aim: Symptom relief
Last updated Jun 27, 2026 12:23 UTC
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New prism device may help one-eyed pedestrians avoid collisions
Symptom relief TerminatedThis study tested a prism device designed to expand the field of view for people who have lost vision in one eye. The goal was to see if the prism helps them detect pedestrians approaching from their blind side during a simulated walking task. Only one person participated before …
Phase: NA • Sponsor: Massachusetts Eye and Ear Infirmary • Aim: Symptom relief
Last updated Jun 27, 2026 12:08 UTC
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CBD shows promise for emotional health in HIV patients
Symptom relief TerminatedThis study tested whether synthetic cannabidiol (CBD) could help people living with HIV who have a condition called alexithymia, which makes it hard to recognize and describe emotions. Participants took either CBD or a placebo for 4 weeks. The goal was to see if CBD could improve…
Phase: PHASE2 • Sponsor: University of California, San Diego • Aim: Symptom relief
Last updated Jun 27, 2026 08:14 UTC
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Cooling the brain through the nose: new device tested for ICU fever
Symptom relief TerminatedThis study tested a device called CoolStat that is placed in the nose to cool down brain-injured patients with fever in the ICU. The goal was to see if it could safely and quickly bring their temperature to normal. Only 9 patients were enrolled before the study was stopped early,…
Phase: NA • Sponsor: CoolTech LLC • Aim: Symptom relief
Last updated Jun 27, 2026 08:14 UTC
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Pain relief combo falls short: early trial halted
Symptom relief TerminatedThis study tested whether adding baclofen (a muscle relaxant) to buprenorphine (a painkiller) could improve pain relief in 19 healthy volunteers. Participants received either a placebo or baclofen alongside buprenorphine and then underwent heat-based pain tests. The trial was ter…
Phase: PHASE2, PHASE3 • Sponsor: University of Alabama at Birmingham • Aim: Symptom relief
Last updated Jun 27, 2026 08:08 UTC
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Virtual reality could help pinpoint the perfect exercise dose for dizziness relief
Symptom relief TerminatedThis study aimed to find the best amount of exercise needed to improve dizziness symptoms in people with balance disorders. Researchers used virtual reality (VR) to measure how much exercise helps and compared VR exercises to standard physical therapy. The study included people w…
Phase: NA • Sponsor: George Washington University • Aim: Symptom relief
Last updated Jun 27, 2026 08:04 UTC
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Laser light tested for achy hands – but study stopped early
Symptom relief TerminatedThis study tested whether low level laser therapy (LLLT) could reduce pain and improve hand function in people with hand osteoarthritis. About 83 military members and their families received either real or sham laser treatment weekly for six weeks. The trial was terminated early,…
Phase: NA • Sponsor: David Moss • Aim: Symptom relief
Last updated Jun 27, 2026 08:03 UTC
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Radiation plus chemo for pancreatic cancer pain: trial ends early
Symptom relief TerminatedThis phase 2 trial tested whether adding MR-guided radiation to standard chemotherapy could reduce pain in people with metastatic pancreatic cancer. Only 9 participants were enrolled before the study was terminated early. The main goal was to track pain scores over time, but the …
Phase: PHASE2 • Sponsor: Ludwig-Maximilians - University of Munich • Aim: Symptom relief
Last updated Jun 27, 2026 08:02 UTC
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One surgery instead of two for kids' hearing implants?
Symptom relief TerminatedThis study looked at whether a single surgery to place a bone-anchored hearing implant is as safe as the usual two-step procedure in children aged 4 to 9. The main goal was to see how many implants were lost. The study was stopped early, so results are limited.
Sponsor: Radboud University Medical Center • Aim: Symptom relief
Last updated Jun 27, 2026 07:57 UTC
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VR and brain training tested as Opioid-Free pain relief
Symptom relief TerminatedThis study tested a system that combines virtual reality (VR) with brain training (neurofeedback) to help people manage chronic back pain without using opioid drugs. Eleven adults with severe back pain took part in up to 20 sessions. Researchers measured how well patients tolerat…
Phase: NA • Sponsor: Quantum Applied Science & Research, Inc. • Aim: Symptom relief
Last updated Jun 27, 2026 07:56 UTC
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CBD study for baby seizures halted early
Symptom relief TerminatedThis study tested a cannabidiol (CBD) oral solution in children under 2 years old with tuberous sclerosis complex, Dravet syndrome, or Lennox-Gastaut syndrome who had uncontrolled seizures. The goal was to see if CBD is safe and can reduce seizures. However, the study was termina…
Phase: PHASE3 • Sponsor: Jazz Pharmaceuticals • Aim: Symptom relief
Last updated Jun 27, 2026 07:56 UTC
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Tiny genetic clues may unlock eye disease mysteries
Knowledge-focused TerminatedThis study looked at people with cone disorders, a type of inherited eye disease that affects color vision and sharp sight. Researchers analyzed genetic changes of unknown significance to see if they cause disease. The goal was to improve genetic diagnosis, not to test a treatmen…
Sponsor: University Hospital, Lille • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:37 UTC
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Cochlear implant study tests new sound processor for better hearing
Knowledge-focused TerminatedThis study tested how well adults with a NeuroZti cochlear implant could hear and how satisfied they were with two different sound processors: the current Neu2 and a newer Nuc8. Four participants attended a single 3-hour visit to compare speech understanding at normal and soft vo…
Phase: NA • Sponsor: Cochlear • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:36 UTC
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New eye camera could spot hidden signs of blindness
Knowledge-focused TerminatedThis study tested a new, non-invasive eye imaging method called hyperspectral imaging. It takes pictures of the back of the eye using many different colors of light to find details not visible with standard cameras. About 679 adults with healthy eyes or eye diseases like diabetic…
Phase: NA • Sponsor: Center for Eye Research Australia • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:07 UTC
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Blood protein may predict seizure return, study halted early
Knowledge-focused TerminatedThis study looked at whether measuring a protein called S100B in the blood right after a first seizure could help predict if someone will have more seizures within a year. The researchers planned to follow 37 adults for one year, but the study was stopped early. The goal was to f…
Sponsor: Centre Hospitalier Universitaire de Nīmes • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:06 UTC
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Rare disease study aims to map MLIV's natural course
Knowledge-focused TerminatedThis study followed 7 people with Mucolipidosis Type IV (MLIV) to learn how the disease naturally progresses. Researchers used tests like neuropsychological exams, blood and urine tests, and brain MRIs to find better ways to measure the disease. The goal was to improve future cli…
Sponsor: Baylor Research Institute • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:14 UTC
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Tiny patch tracks drug side effects on Seniors' gait
Knowledge-focused TerminatedThis small pilot study tested whether a wearable device called BioButton could help detect walking problems caused by multiple medications in nursing home residents. Only 17 people took part before the study was stopped early. The goal was to see if the device was safe and easy t…
Phase: NA • Sponsor: Charles Lin • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:10 UTC
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MRI scans aim to uncover hidden ear damage in CMV survivors
Knowledge-focused TerminatedThis study looked at whether people born with cytomegalovirus (CMV) infection who have hearing loss or balance problems also have a condition called endolymphatic hydrops (fluid buildup in the inner ear). Researchers used a special MRI scan with a contrast dye to check for this f…
Sponsor: Fondation Ophtalmologique Adolphe de Rothschild • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:09 UTC
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Scientists dig into DNA to unravel rare eye disorders
Knowledge-focused TerminatedThis study looked at over 100 people with inherited retinal dystrophies, a group of rare eye diseases that can cause vision loss. Researchers collected genetic and eye exam data to find links between specific gene mutations and symptoms. The goal was to better understand these di…
Sponsor: Fondation Ophtalmologique Adolphe de Rothschild • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:03 UTC
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Ultrasound reveals secrets of knee pain block
Knowledge-focused TerminatedThis study looked at why a common numbing shot for knee surgery works so well. Doctors used ultrasound to see if the medicine spreads to nerves behind the knee. The goal was to measure how often this spread happens in 30 adults having knee surgery. The study was stopped early, bu…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:00 UTC
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Brain wave test may reveal hidden hearing in implant users
Knowledge-focused TerminatedThis study looked at whether a brain wave test called mismatch negativity (MMN) can measure how well adult cochlear implant users can tell apart similar sounds. Researchers compared the brain wave results to a standard hearing test using made-up words (logatoms). The goal was to …
Phase: NA • Sponsor: University Hospital, Montpellier • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:53 UTC