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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Can a common drug boost brain function in kids with rare genetic disorder?
Disease control CompletedThis phase 2 trial tested sodium valproate, a drug used for seizures, in 41 children with Rubinstein-Taybi syndrome (RTS), a rare genetic condition causing intellectual disability. Participants aged 6 to 21 received either the drug or a placebo for one year. Researchers measured …
Phase 2 • Sponsor: University Hospital, Bordeaux • Aim: Disease control
Last updated Jun 27, 2026 12:32 UTC
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MCT8 deficiency drug withdrawal trial raises questions about lifelong treatment
Disease control CompletedThis phase 3 study looked at what happens when males with MCT8 deficiency (a rare genetic condition affecting thyroid hormone transport) stop taking tiratricol. Twenty participants who had been stable on tiratricol were randomly assigned to either continue the drug or receive a p…
Phase 3 • Sponsor: Rare Thyroid Therapeutics International AB • Aim: Disease control
Last updated Jun 27, 2026 12:05 UTC
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Rare disease mystery: NIH launches deep dive into Smith-Magenis syndrome
Knowledge-focused CompletedThis study follows nearly 600 people with Smith-Magenis syndrome (SMS), a rare genetic condition, to track how their health, behavior, and development change over time. Researchers will perform detailed medical exams, genetic tests, and surveys to better understand the syndrome's…
Sponsor: National Human Genome Research Institute (NHGRI) • Aim: Knowledge-focused
Last updated Sep 11, 2026 00:00 UTC
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Scientists hunt for missing genetic clues in kids with unexplained delays
Knowledge-focused CompletedThis study looked for hidden genetic changes in 10 children with developmental delays who had a balanced chromosomal translocation (a rearrangement of DNA that appears normal under a microscope). Researchers used high-resolution DNA microarrays to check for tiny missing or extra …
Early phase 1 • Sponsor: University Hospital, Montpellier • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:07 UTC
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Could a single DNA test solve the mystery of rare brain diseases in kids?
Knowledge-focused CompletedThis study looked at whether whole genome sequencing (a complete read of a person's DNA) can help diagnose leukodystrophies, a group of rare brain diseases that are hard to identify. Researchers enrolled 236 children with white matter abnormalities on brain scans but no known gen…
Sponsor: Children's Hospital of Philadelphia • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:56 UTC
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Rare genetic Disorder's mental health patterns explored
Knowledge-focused CompletedThis study looked at 25 people with FOXP1 syndrome, a rare genetic condition, to better understand their psychiatric symptoms. Researchers used interviews and questionnaires with families to assess hyperactivity, attention, anxiety, autism traits, and more. The goal is to improve…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 26, 2026 19:02 UTC
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New study tracks why some women have lasting pain after C-Section
Knowledge-focused CompletedThis completed study followed 477 women in Denmark who had a planned cesarean delivery. Researchers used text-message surveys to track pain levels, medication use, and how pain affected daily life over several months. The goal was to better understand how common persistent pain i…
Sponsor: Nordsjaellands Hospital • Aim: Knowledge-focused
Last updated Jun 26, 2026 12:36 UTC