Syndromic intellectual disability
MONDO:0000508A intellectual disability that is part of a larger syndrome.
Also known as: syndrome associated with intellectual disability, syndromic intellectual disability
38 clinical trials for this condition and its sub-types, 2 tagged with Syndromic intellectual disability itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Syndromic intellectual disability
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Autosomal dominant syndromic intellectual disability 0 trials · 15 incl. sub-types
34 sub-types
- Severe intellectual disability-progressive spastic diplegia syndrome 4 trials
- KBG syndrome 2 trials
- Mowat-Wilson syndrome 2 trials Sub-types →
- Intellectual disability-severe speech delay-mild dysmorphism syndrome 2 trials
- Bohring-Opitz syndrome 1 trial
- SATB2 associated disorder 0 trials · 1 incl. sub-types Sub-types →
- Schuurs-Hoeijmakers syndrome 1 trial
- Autism spectrum disorder due to AUTS2 deficiency 1 trial
- Intellectual disability-microcephaly-strabismus-behavioral abnormalities syndrome 1 trial
- ADNP-related multiple congenital anomalies - intellectual disability - autism spectrum disorder 0 trials
- Bosch-Boonstra-Schaaf optic atrophy syndrome 0 trials
- CTCF-related neurodevelopmental disorder 0 trials
- DYRK1A-related intellectual disability syndrome 0 trials Sub-types →
- Houge-Janssens syndrome 1 0 trials
- Myhre syndrome 0 trials
- Pierpont syndrome 0 trials
- Rubinstein-Taybi syndrome due to CREBBP mutations 0 trials
- Rubinstein-Taybi syndrome due to EP300 haploinsufficiency 0 trials
- SETD2-related microcephaly-severe intellectual disability-multiple congenital anomalies syndrome 0 trials
- SIN3A-related intellectual disability syndrome 0 trials Sub-types →
- Schinzel-Giedion syndrome 0 trials
- Ververi-Brady syndrome 1 0 trials
- Autosomal dominant intellectual disability-craniofacial anomalies-cardiac defects syndrome 0 trials
- Cardiac anomalies - developmental delay - facial dysmorphism syndrome 0 trials
- Hereditary cryohydrocytosis with reduced stomatin 0 trials
- Intellectual developmental disorder with dysmorphic facies and behavioral abnormalities 0 trials
- Intellectual developmental disorder with dysmorphic facies and ptosis 0 trials
- Intellectual developmental disorder with gastrointestinal difficulties and high pain threshold 0 trials
- Intellectual developmental disorder with speech delay, dysmorphic facies, and t-cell abnormalities 0 trials
- Intellectual disability, autosomal dominant 13 0 trials
- Intellectual disability, autosomal dominant 48 0 trials
- Intellectual disability-sparse hair-brachydactyly syndrome 0 trials
- Micrognathia-recurrent infections-behavioral abnormalities-mild intellectual disability syndrome 0 trials
- Severe intellectual disability-poor language-strabismus-grimacing face-long fingers syndrome 0 trials
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X-linked syndromic intellectual disability 0 trials · 12 incl. sub-types
81 sub-types
- Allan-Herndon-Dudley syndrome 6 trials
- Syndromic X-linked intellectual disability Lubs type 3 trials Sub-types →
- MEHMO syndrome 1 trial
- Syndromic X-linked intellectual disability 5 1 trial
- Syndromic X-linked intellectual disability Snyder type 1 trial
- ATP6AP2-related disorder 0 trials Sub-types →
- ATR-X-related syndrome 0 trials Sub-types →
- Borjeson-Forssman-Lehmann syndrome 0 trials
- CASK-related intellectual disability 0 trials Sub-types →
- Coffin-Lowry syndrome 0 trials
- MED12-related intellectual disability syndrome 0 trials Sub-types →
- NAA10-related syndrome 0 trials Sub-types →
- Paganini-Miozzo syndrome 0 trials
- Partington syndrome 0 trials
- Prieto syndrome 0 trials
- Renpenning syndrome 0 trials Sub-types →
- SOX3-related X-linked pituitary hormone deficiency with or without intellectual developmental disorder 0 trials
- Wilson-Turner syndrome 0 trials
- X-linked intellectual disability with hypopituitarism 0 trials Sub-types →
- X-linked intellectual disability with isolated growth hormone deficiency 0 trials
- X-linked intellectual disability, Cabezas type 0 trials
- X-linked intellectual disability, Cantagrel type 0 trials
- X-linked intellectual disability, Cilliers type 0 trials
- X-linked intellectual disability, Pai type 0 trials
- X-linked intellectual disability, Schimke type 0 trials
- X-linked intellectual disability, Schutz type 0 trials
- X-linked intellectual disability, Seemanova type 0 trials
- X-linked intellectual disability, Stevenson type 0 trials
- X-linked intellectual disability, Stocco dos Santos type 0 trials
- X-linked intellectual disability, Stoll type 0 trials
- X-linked intellectual disability, van Esch type 0 trials
- X-linked intellectual disability-acromegaly-hyperactivity syndrome 0 trials
- X-linked intellectual disability-ataxia-apraxia syndrome 0 trials
- X-linked intellectual disability-cardiomegaly-congestive heart failure syndrome 0 trials
- X-linked intellectual disability-cerebellar hypoplasia syndrome 0 trials
- X-linked intellectual disability-corpus callosum agenesis-spastic quadriparesis syndrome 0 trials
- X-linked intellectual disability-craniofacioskeletal syndrome 0 trials
- X-linked intellectual disability-cubitus valgus-dysmorphism syndrome 0 trials
- X-linked intellectual disability-epilepsy syndrome 0 trials Sub-types →
- X-linked intellectual disability-epilepsy-progressive joint contractures-dysmorphism syndrome 0 trials
- X-linked intellectual disability-hypogammaglobulinemia-progressive neurological deterioration syndrome 0 trials
- X-linked intellectual disability-hypogonadism-ichthyosis-obesity-short stature syndrome 0 trials
- X-linked intellectual disability-hypotonia-movement disorder syndrome 0 trials
- X-linked intellectual disability-macrocephaly-macroorchidism syndrome 0 trials
- X-linked intellectual disability-plagiocephaly syndrome 0 trials
- X-linked intellectual disability-precocious puberty-obesity syndrome 0 trials
- X-linked intellectual disability-psychosis-macroorchidism syndrome 0 trials
- X-linked intellectual disability-retinitis pigmentosa syndrome 0 trials
- X-linked intellectual disability-seizures-psoriasis syndrome 0 trials
- X-linked intellectual disability-short stature-overweight syndrome 0 trials
- X-linked intellectual disability-spastic quadriparesis syndrome 0 trials
- Corpus callosum agenesis-intellectual disability-coloboma-micrognathia syndrome 0 trials
- Early-onset parkinsonism-intellectual disability syndrome 0 trials
- Fried syndrome 0 trials
- Intellectual developmental disorder, X-linked, syndromic 37 0 trials
- Intellectual developmental disorder, X-linked, syndromic, Hackmann-Di Donato type 0 trials
- Intellectual developmental disorder, X-linked, syndromic, Pilorge type 0 trials
- Intellectual developmental disorder, X-linked, syndromic, with pigmentary mosaicism and coarse facies 0 trials
- Intellectual disability, X-linked 49 0 trials
- Intellectual disability, X-linked 99, syndromic, female-restricted 0 trials
- Intellectual disability, X-linked syndromic, Turner type 0 trials
- Intellectual disability, X-linked, syndromic 33 0 trials
- Intellectual disability, X-linked, syndromic, 35 0 trials
- Intellectual disability, X-linked, syndromic, Bain type 0 trials
- Intellectual disability, X-linked, syndromic, Houge type 0 trials
- Severe X-linked intellectual disability, Gustavson type 0 trials
- Skeletal dysplasia-intellectual disability syndrome 0 trials
- Syndromic X-linked intellectual disability 12 0 trials
- Syndromic X-linked intellectual disability 14 0 trials
- Syndromic X-linked intellectual disability 17 0 trials
- Syndromic X-linked intellectual disability 34 0 trials
- Syndromic X-linked intellectual disability 7 0 trials
- Syndromic X-linked intellectual disability 94 0 trials
- Syndromic X-linked intellectual disability Abidi type 0 trials
- Syndromic X-linked intellectual disability Chudley-Schwartz type 0 trials
- Syndromic X-linked intellectual disability Claes-Jensen type 0 trials
- Syndromic X-linked intellectual disability Nascimento type 0 trials
- Syndromic X-linked intellectual disability Raymond type 0 trials
- Syndromic X-linked intellectual disability Shashi type 0 trials
- Syndromic X-linked intellectual disability Shrimpton type 0 trials
- Syndromic X-linked intellectual disability Siderius type 0 trials
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Smith-Magenis syndrome 5 trials
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Rubinstein-Taybi syndrome 3 trials
3 sub-types
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Autosomal recessive syndromic intellectual disability 0 trials · 1 incl. sub-types
7 sub-types
- Cohen syndrome 1 trial
- Al Kaissi syndrome 0 trials
- Intellectual developmental disorder with dysmorphic facies, seizures, and distal limb anomalies 0 trials
- Intellectual developmental disorder with neuropsychiatric features 0 trials
- Intellectual disability, autosomal recessive 53 0 trials
- Intellectual disability-hypotonia-spasticity-sleep disorder syndrome 0 trials
- Short stature-brachydactyly-obesity-global developmental delay syndrome 0 trials
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Dyneinopathy 0 trials · 1 incl. sub-types
2 sub-types
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2p25.3 microduplication syndrome 0 trials
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3q27.3 microdeletion syndrome 0 trials
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7p22.1 microduplication syndrome 0 trials
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9p13 microdeletion syndrome 0 trials
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9q31.1q31.3 microdeletion syndrome 0 trials
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9q33.3q34.11 microdeletion syndrome 0 trials
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CK syndrome 0 trials
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Intellectual disability, Wolff type 0 trials
Most studied deeper sub-types
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New drug FOG-001 takes on Hard-to-Treat cancers
Disease control Recruiting nowThis early-phase trial is testing a new drug, FOG-001, in about 595 people with advanced or metastatic solid tumors, including colorectal, prostate, and liver cancers. The drug is given alone or with other cancer treatments to see if it is safe and shrinks tumors. The study is cu…
Phase 1/2 • Sponsor: Parabilis Medicines, Inc. • Aim: Disease control
Last updated Aug 19, 2026 00:00 UTC
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Could a common ADHD drug tame attention issues in rare KBG syndrome?
Disease control Recruiting nowThis trial tests whether methylphenidate, a standard ADHD medication, can reduce attention and hyperactivity problems in children and adolescents with KBG syndrome, a rare genetic condition often accompanied by ADHD-like symptoms. Participants receive alternating blocks of the dr…
Phase 4 • Sponsor: Radboud University Medical Center • Aim: Disease control
Last updated Aug 13, 2026 00:00 UTC
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New drug aims to boost immune cells in rare blood disorder
Disease control Recruiting nowThis Phase 3 study tests whether the drug mavorixafor can reduce serious infections and increase neutrophil levels in people with chronic neutropenia—a condition where the body doesn't make enough infection-fighting white blood cells. About 176 participants will receive either ma…
Phase 3 • Sponsor: X4 Pharmaceuticals • Aim: Disease control
Last updated Aug 08, 2026 00:03 UTC
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Electric fields plus targeted radiation may boost survival in recurrent glioblastoma
Disease control Recruiting nowThis study is for adults with recurrent glioblastoma, an aggressive brain cancer. It tests whether adding a precise type of radiation (stereotactic radiosurgery guided by a special PET scan) to a device that delivers electric fields to the brain (TTFields) helps people live longe…
Sponsor: Prof. Franciszek Lukaszczyk Memorial Oncology Center • Aim: Disease control
Last updated Jun 27, 2026 14:03 UTC
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New hope for rare brain disorder: early drug access program opens
Disease control Expanded accessThis program offers early access to tiratricol, a thyroid hormone-like drug, for people with Allan-Herndon-Dudley syndrome (AHDS), a rare genetic condition that affects brain development and movement. Patients must have a confirmed genetic diagnosis and be considered likely to be…
Sponsor: Rare Thyroid Therapeutics International AB • Aim: Disease control
Last updated Jun 27, 2026 12:29 UTC
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New hope for rare genetic disorder: drug ION440 enters human trials
Disease control Recruiting nowThis study tests a new drug called ION440 in 48 people with MECP2 duplication syndrome, a rare genetic condition that causes intellectual disability and seizures. The drug is given via a spinal injection to see if it is safe and how the body processes it. Some participants will r…
Phase 1/2 • Sponsor: Ionis Pharmaceuticals, Inc. • Aim: Disease control
Last updated Jun 27, 2026 12:00 UTC
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First gene therapy for rare brain disorder begins testing in kids
Disease control Recruiting nowThis early-stage trial tests a gene therapy called Urbagen in 12 children aged 2-12 with CTNNB1 neurodevelopmental syndrome, a rare genetic condition causing motor and cognitive delays. The therapy is given as a single infusion into the brain fluid, along with immunosuppressant d…
Phase 1/2 • Sponsor: CTNNB1 Foundation • Aim: Disease control
Last updated Jun 27, 2026 12:00 UTC
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New exercise program aims to get adults with intellectual disability moving more
Disease control Recruiting nowThis study tests a 16-week inclusive exercise program called PACE for adults with intellectual disability. Participants will attend fitness classes, meet with coaches, and use a web dashboard to set goals. The trial includes 376 people and will measure daily steps and moderate-to…
Sponsor: University of North Carolina, Chapel Hill • Aim: Disease control
Last updated Jun 27, 2026 09:08 UTC
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Experimental drug offers hope for babies with rare genetic brain condition
Disease control Expanded accessThis trial tests a drug called DITPA in male infants with MCT8 deficiency, a rare genetic disorder that causes severe intellectual disability and movement problems. The drug aims to improve thyroid hormone function in the brain. Only infants whose families have a history of the c…
Sponsor: Roy E. Weiss, M.D. • Aim: Disease control
Last updated Jun 27, 2026 08:03 UTC
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Could a Parkinson's drug ease symptoms of a rare childhood brain condition?
Symptom relief Recruiting nowThis study tests whether L-dopa, a drug used for Parkinson's, can improve movement and communication in children with a rare genetic disorder called CTNNB1 syndrome. The condition causes developmental delays, muscle stiffness, and trouble walking. Seven children aged 1 to 15 will…
Sponsor: University Hospital, Montpellier • Aim: Symptom relief
Last updated Jun 27, 2026 13:00 UTC
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Global registry aims to map the full course of Charcot-Marie-Tooth disease
Knowledge-focused Recruiting nowResearchers are building a global registry to collect patient-reported surveys, genetic test results, and medical records from people with Charcot-Marie-Tooth disease and related inherited neuropathies. The study is open to children and adults with a confirmed or suspected diagno…
Sponsor: Hereditary Neuropathy Foundation • Aim: Knowledge-focused
Last updated Sep 19, 2026 00:00 UTC
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Can mapping rare genetic variants unlock better care for autism-related disorders?
Knowledge-focused Recruiting nowThis international online study collects medical, behavioral, and developmental information from people with rare genetic changes that are linked to autism and other neurodevelopmental disorders. By partnering with families, researchers aim to build a detailed database to improve…
Sponsor: Simons Searchlight • Aim: Knowledge-focused
Last updated Jul 25, 2026 00:00 UTC
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Scientists launch study to unravel rare MEHMO syndrome
Knowledge-focused Recruiting nowThis observational study follows 150 people with MEHMO syndrome or related conditions to better understand how the disease progresses. Researchers will collect medical history, imaging, and lab samples to find biological markers that could help monitor the disease. No treatment i…
Sponsor: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:02 UTC
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New study tackles diagnostic maze for rare developmental disorders
Knowledge-focused Recruiting nowThis study looks at how to reduce the long and frustrating journey to a diagnosis for people with developmental abnormalities. Researchers will review past cases, collect new blood or skin samples, and use advanced genetic testing. The goal is to understand why some people remain…
Sponsor: Centre Hospitalier Universitaire Dijon • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Scientists hunt for clues to rare genetic disorders
Knowledge-focused Recruiting nowThis observational study aims to find biological markers (biomarkers) for RAI1-related disorders, including Smith-Magenis and Potocki-Lupski syndromes. Researchers will study 90 participants through clinical exams, blood tests, optional skin biopsies, and sleep studies. The goal …
Sponsor: Baylor College of Medicine • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:00 UTC
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Scientists study rare gene to unravel autism and speech problems
Knowledge-focused Recruiting nowThis study looks at people who have changes in a gene called FOXP1, which can cause developmental delays, speech problems, and autism-like traits. Researchers will use interviews, play-based assessments, and genetic tests to better understand these conditions. The goal is to lear…
Sponsor: Icahn School of Medicine at Mount Sinai • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:38 UTC
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Study aims to uncover hidden mental health struggles in rare genetic disorder
Knowledge-focused Recruiting nowThis study looks at psychiatric symptoms in people with White-Sutton syndrome, a rare genetic condition. Researchers will interview 30 children and adults and use standard questionnaires to identify anxiety, OCD, autism, and other issues. The goal is to better understand these sy…
Sponsor: Centre Hospitalier Universitaire Dijon • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:01 UTC
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Researchers launch registry to unlock secrets of rare genetic disorders
Knowledge-focused Recruiting nowThis study collects information from people with ASXL-related disorders (such as Bohring-Opitz syndrome) to better understand how these conditions progress and are managed. No new treatments are tested; instead, participants share their medical history and records through surveys…
Sponsor: University of California, Los Angeles • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:06 UTC
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Massive leukodystrophy biobank aims to unlock disease secrets
Knowledge-focused Recruiting nowThis study collects medical information and biological samples (like blood or tissue) from up to 12,000 people with leukodystrophies—rare disorders that damage the brain's white matter. Researchers will use this data to find new genetic causes, develop biomarkers for future trial…
Sponsor: Children's Hospital of Philadelphia • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:55 UTC
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Dragonfly study launches to map rare genetic syndrome
Knowledge-focused Recruiting nowThe Dragonfly study is an international observational project tracking the development of 250 children and adults with CTNNB1 neurodevelopmental syndrome. Researchers will collect medical history, perform neurological exams, and use questionnaires to understand how symptoms and a…
Sponsor: University Medical Centre Ljubljana • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:51 UTC