Cohen syndrome
MONDO:0008999Cohen syndrome (CS) is a rare genetic developmental disorder characterized by microcephaly, characteristic facial features, hypotonia, non-progressive intellectual deficit, myopia and retinal dystrophy, neutropenia and truncal obesity.
Also known as: Cohen syndrome, cutis verticis gyrata, retinitis pigmentosa, and sensorineural deafness, COH1, Chs1, Chs1, formerly, Coh, hypotonia, obesity, and prominent incisors, pepper syndrome
75 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
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HPV vaccine shows promise for girls on Immune-Suppressing drugs
⭐️ VACCINE ⭐️ CompletedThis study looked at whether the HPV vaccine works in girls aged 9 to 17 who are taking medicines that weaken their immune system, such as after an organ transplant or for diseases like lupus. The goal was to see if their bodies produce enough antibodies to protect against HPV. T…
Phase: PHASE2 • Sponsor: University Hospital, Bordeaux • Aim: ⭐️ VACCINE ⭐️
Last updated Jun 27, 2026 12:36 UTC
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Should cancer patients get antibiotics for a dubious c. diff test? small trial seeks answers
Disease control CompletedThis study looked at whether giving the antibiotic vancomycin helps cancer patients who have diarrhea and a positive screening test for C. difficile but a negative toxin test. Only 9 patients were enrolled, far fewer than planned. Researchers measured changes in C. difficile leve…
Phase: PHASE2 • Sponsor: Medical College of Wisconsin • Aim: Disease control
Last updated Jun 27, 2026 12:08 UTC
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New drug combo shows promise in preventing transplant complications
Disease control CompletedThis early-stage study tested whether adding a drug called BMS-986004 to standard immune-suppressing medicine could help prevent acute graft-versus-host disease (GVHD) in 45 adults with blood cancers or disorders receiving a stem cell transplant. GVHD occurs when donor immune cel…
Phase: PHASE1 • Sponsor: H. Lee Moffitt Cancer Center and Research Institute • Aim: Disease control
Last updated Jun 27, 2026 12:04 UTC
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Acid lock could fight blood infections in cancer patients
Disease control CompletedThis study tested whether a hydrochloric acid lock can help treat central line infections in 212 cancer and blood disease patients. The acid solution was placed in the line for 10 minutes, repeated three times, alongside standard antibiotics. The goal was to see if it reduces tre…
Phase: NA • Sponsor: Rigshospitalet, Denmark • Aim: Disease control
Last updated Jun 27, 2026 12:00 UTC
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New Blood-Cleansing method boosts transplant success in High-Risk patients
Disease control CompletedThis study looked at 50 patients who needed a stem cell transplant from a partially matched donor but had antibodies that could attack the donor cells. Before transplant, they received a blood purification treatment called protein A immunoadsorption to remove those antibodies, so…
Sponsor: Ting YANG • Aim: Disease control
Last updated Jun 27, 2026 07:57 UTC
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New DNA tests could spot hidden chromosome flaws in infertility and developmental disorders
Diagnosis CompletedThis study tested two new technologies—optical genome mapping and long-read DNA sequencing—against standard chromosome tests in 350 people with infertility, intellectual disability, birth defects, or miscarriage. The goal was to see if these newer methods can find more chromosome…
Phase: NA • Sponsor: Institut National de la Santé Et de la Recherche Médicale, France • Aim: Diagnosis
Last updated Jun 27, 2026 14:01 UTC
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Can an iPad game spot autism early?
Diagnosis CompletedThis study tested whether an iPad game (Play.Care) could help diagnose autism spectrum disorder (ASD) in children aged 2.5 to 5 years. The game measures how children move while playing, since movement differences may be early signs of autism. Researchers compared the game's resul…
Phase: NA • Sponsor: University of Strathclyde • Aim: Diagnosis
Last updated Jun 27, 2026 12:09 UTC
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New spatula could open mouths for better dental care in disabled patients
Symptom relief CompletedThis study tested a special spatula designed to help dentists examine the teeth of people with mental disabilities who have behavioral issues. The goal was to see if the spatula makes it easier and safer to look inside the mouth. Two hundred participants were included, and the st…
Phase: NA • Sponsor: Centre Hospitalier Régional Metz-Thionville • Aim: Symptom relief
Last updated Jun 27, 2026 14:01 UTC
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Gentle touch may soothe anxiety for isolated blood cancer patients
Symptom relief CompletedThis study looked at whether touch-massage can reduce anxiety in people with blood disorders (like leukemia or lymphoma) who are hospitalized in a sterile, isolated room. Sixty-two patients received three massage sessions, and researchers measured their anxiety levels before and …
Phase: NA • Sponsor: Nantes University Hospital • Aim: Symptom relief
Last updated Jun 27, 2026 14:01 UTC
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Monthly chat group may ease isolation for young transplant patients
Symptom relief CompletedThis study tested a monthly online peer support group for young adults (ages 18-39) who had received a stem cell transplant. The group met for one hour over six months, led by a nurse and social worker. The goal was to see if the program was practical and helpful for reducing anx…
Phase: NA • Sponsor: University Health Network, Toronto • Aim: Symptom relief
Last updated Jun 27, 2026 08:08 UTC
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Asthma drug may ease cancer treatment side effects
Symptom relief CompletedThis study tested whether montelukast (Singulair), a common asthma drug, can reduce the number and severity of infusion reactions in people receiving monoclonal antibody treatments for blood disorders. Forty adults were given montelukast along with standard premedication before t…
Phase: PHASE2 • Sponsor: University of California, San Francisco • Aim: Symptom relief
Last updated Jun 27, 2026 08:04 UTC
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Fun card game shows promise for sharper minds in intellectual disability
Symptom relief CompletedThis study tested a new card game called 'Wai Ji Match Fun' designed for adults with mild to moderate intellectual disabilities. 60 participants played the game in weekly group sessions for 8 weeks. Researchers measured how feasible and acceptable the game was, and whether it imp…
Phase: NA • Sponsor: The Hong Kong Polytechnic University • Aim: Symptom relief
Last updated Jun 27, 2026 08:00 UTC
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Parenting classes boost Well-Being for moms and dads of kids with intellectual disabilities
Symptom relief CompletedThis study looked at whether a 5-week parenting training program could improve the quality of life and parenting skills for parents of children with intellectual disabilities. 141 parents from 11 special schools took part, with 71 receiving the training and 70 in a control group.…
Phase: NA • Sponsor: STIKes Satria Bhakti Nganjuk • Aim: Symptom relief
Last updated Jun 27, 2026 07:53 UTC
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New program aims to help siblings of chronically ill children
Symptom relief CompletedThis completed trial tested a 5-session group program for siblings and parents of children with chronic illness. The goal was to improve sibling mental health, family communication, and quality of life. 288 families participated, with some receiving the program immediately and ot…
Phase: NA • Sponsor: University of Oslo • Aim: Symptom relief
Last updated Jun 26, 2026 18:43 UTC
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Could a common virus be behind rashes in blood cancer patients?
Knowledge-focused CompletedThis study looked for a virus called HHV6 in the skin and blood of 37 adults with blood cancers who developed a rash during hospital stays. The goal was to see if the virus is linked to the rash, which could help doctors diagnose and treat the rash more effectively. The study is …
Sponsor: Centre Hospitalier Universitaire, Amiens • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:06 UTC
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Lower platelet transfusion threshold safe for central line placement, study suggests
Knowledge-focused CompletedThis study looked at whether it is safe to lower the number of platelets needed before placing a central line (a special IV) in patients with blood disorders. Normally, patients get a platelet transfusion if their count is below 50, but this study tested a lower trigger of 10. Th…
Sponsor: Thomas Kander • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:28 UTC
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Gene sequencing uncovers mysterious fetal malformations
Knowledge-focused CompletedThis study tested whether a powerful DNA test called high-throughput exome sequencing can find genetic causes of multiple birth defects in fetuses when standard exams fail. Researchers studied 100 fetuses with at least two malformations and no prior diagnosis. They compared the n…
Sponsor: Centre Hospitalier Universitaire Dijon • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:03 UTC
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Speedy gene test aims to give answers on birth defects in just 7 days
Knowledge-focused CompletedThis study tested whether a fast type of genetic test called rapid genome sequencing can find the cause of birth defects seen on ultrasound more quickly than current methods. Researchers included 184 pregnancies with certain ultrasound findings. The goal was to see if results cou…
Sponsor: Centre Hospitalier Universitaire Dijon • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:00 UTC
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AI and MRI join forces to speed up cancer radiation planning
Knowledge-focused CompletedThis completed study tested whether artificial intelligence and MRI scans could help automate the planning of total marrow irradiation, a type of radiation therapy given before a bone marrow transplant for blood cancers. Researchers aimed to reduce the 10-day planning time and be…
Phase: NA • Sponsor: Istituto Clinico Humanitas • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:13 UTC
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Massive study reveals hidden struggles of stem cell survivors
Knowledge-focused CompletedThis study looked at over 1,200 people in Denmark who had a stem cell transplant for blood diseases, some as far back as 1970. Researchers used detailed surveys to measure late effects and quality of life. The goal is to find out what medical and personal factors help survivors f…
Sponsor: Rigshospitalet, Denmark • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:05 UTC
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Could hidden nerve damage explain pain in kids with developmental delays?
Knowledge-focused CompletedThis completed study looked at whether children with neurodevelopmental disorders (like mitochondrial disease, cerebral palsy, or developmental delay) have fewer small nerve fibers in their skin, which could cause pain. Researchers took small skin biopsies from 203 children—some …
Sponsor: Heinrich-Heine University, Duesseldorf • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:00 UTC
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Lung scans reveal hidden patterns in blood disease patients
Knowledge-focused CompletedThis completed study examined lung CT scans from 148 adults with blood diseases to identify common patterns of lung involvement. Researchers tracked how often certain radiological features appeared and counted complications. The goal was to better understand the range of lung iss…
Sponsor: New Valley University • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:59 UTC
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Scientists gather clues on mysterious immune defects
Knowledge-focused CompletedThis study collected blood, saliva, stool, urine, and skin samples from 19 people with unknown or poorly understood immune system problems. The goal was to learn how different parts of the immune system work together. No treatments or drugs were tested. Participants were followed…
Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:58 UTC
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New screening tool aims to spot suicide risk in kids with autism
Knowledge-focused CompletedThis study tested a set of questions to better identify suicide risk in young people aged 8–17 with autism or other neurodevelopmental disorders. Researchers asked 278 participants and their parents about thoughts of self-harm and understanding of death. The goal was to create a …
Sponsor: National Institute of Mental Health (NIMH) • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC