Chromosomal disorder
MONDO:0019040Clinical conditions caused by an abnormal chromosome constitution in which there is extra or missing chromosome material (either a whole chromosome or a chromosome segment). (from Thompson et al., Genetics in Medicine, 5th ed, p429)
Also known as: chromosomal disease, chromosomal disorder, chromosomal disorders, chromosome disorder, disorder, chromosomal, disorder, chromosome, disorders, chromosomal, disorders, chromosome
277 clinical trials for this condition and its sub-types, 13 tagged with Chromosomal disorder itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Chromosomal disorder
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Autosomal anomaly 0 trials · 195 incl. sub-types
22 sub-types
- Chromosome 21 disorder 0 trials · 138 incl. sub-types Sub-types →
- Chromosome 17 disorder 0 trials · 29 incl. sub-types Sub-types →
- Chromosome 7 disorder 0 trials · 19 incl. sub-types Sub-types →
- Chromosome 5 disorder 0 trials · 8 incl. sub-types Sub-types →
- Chromosome 13 disorder 0 trials · 4 incl. sub-types Sub-types →
- Chromosome 18 disorder 1 trial · 4 incl. sub-types Sub-types →
- Chromosome 10 disorder 0 trials · 2 incl. sub-types Sub-types →
- Chromosome 2 disorder 0 trials · 2 incl. sub-types Sub-types →
- Chromosome 8 disorder 0 trials · 2 incl. sub-types Sub-types →
- Chromosome 1 disorder 0 trials · 1 incl. sub-types Sub-types →
- Chromosome 11 disorder 0 trials · 1 incl. sub-types Sub-types →
- Chromosome 14 disorder 0 trials · 1 incl. sub-types Sub-types →
- Chromosome 16 disorder 0 trials · 1 incl. sub-types Sub-types →
- Chromosome 3 disorder 0 trials · 1 incl. sub-types Sub-types →
- Chromosome 12 disorder 0 trials Sub-types →
- Chromosome 15 disorder 0 trials Sub-types →
- Chromosome 19 disorder 0 trials Sub-types →
- Chromosome 20 disorder 0 trials Sub-types →
- Chromosome 22 disorder 0 trials Sub-types →
- Chromosome 4 disorder 0 trials Sub-types →
- Chromosome 6 disorder 0 trials Sub-types →
- Chromosome 9 disorder 0 trials Sub-types →
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Syndrome caused by partial chromosomal deletion 0 trials · 57 incl. sub-types
27 sub-types
- Partial deletion of chromosome 7 0 trials · 18 incl. sub-types Sub-types →
- Chromosome 22q deletion 0 trials · 13 incl. sub-types Sub-types →
- Partial deletion of chromosome 17 0 trials · 12 incl. sub-types Sub-types →
- Smith-Magenis syndrome 5 trials
- Partial chromosome Y deletion 0 trials · 5 incl. sub-types Sub-types →
- Partial deletion of chromosome 5 0 trials · 5 incl. sub-types Sub-types →
- Partial deletion of the long arm of chromosome 15 1 trial · 3 incl. sub-types Sub-types →
- Partial deletion of chromosome 2 0 trials · 2 incl. sub-types Sub-types →
- Partial deletion of chromosome 1 0 trials · 1 incl. sub-types Sub-types →
- Partial deletion of chromosome 10 0 trials · 1 incl. sub-types Sub-types →
- Partial deletion of chromosome 11 0 trials · 1 incl. sub-types Sub-types →
- Partial deletion of chromosome 16 0 trials · 1 incl. sub-types Sub-types →
- Partial deletion of chromosome 3 0 trials · 1 incl. sub-types Sub-types →
- Partial deletion of chromosome 8 0 trials · 1 incl. sub-types Sub-types →
- 3q27.3 microdeletion syndrome 0 trials
- Partial deletion of chromosome 12 0 trials Sub-types →
- Partial deletion of chromosome 18 0 trials Sub-types →
- Partial deletion of chromosome 19 0 trials Sub-types →
- Partial deletion of chromosome 20 0 trials Sub-types →
- Partial deletion of chromosome 4 0 trials Sub-types →
- Partial deletion of chromosome 6 0 trials Sub-types →
- Partial deletion of chromosome 9 0 trials Sub-types →
- Partial deletion of chromosome X 0 trials Sub-types →
- Partial deletion of the long arm of chromosome 13 0 trials Sub-types →
- Partial deletion of the long arm of chromosome 14 0 trials Sub-types →
- Partial deletion of the long arm of chromosome 21 0 trials Sub-types →
- Severe motor and intellectual disabilities-sensorineural deafness-dystonia syndrome 0 trials
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Aneuploidy 14 trials · 36 incl. sub-types
5 sub-types
- Trisomy 1 trial · 24 incl. sub-types Sub-types →
- 49,XXXYY syndrome 0 trials
- Monosomy 0 trials Sub-types →
- Pentasomy 0 trials Sub-types →
- Tetrasomy 0 trials Sub-types →
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Syndrome caused by partial chromosomal duplication 0 trials · 32 incl. sub-types
23 sub-types
- Partial duplication of chromosome 17 0 trials · 19 incl. sub-types Sub-types →
- Partial duplication of chromosome 7 0 trials · 3 incl. sub-types Sub-types →
- Partial duplication of chromosome X 0 trials · 3 incl. sub-types Sub-types →
- Partial duplication of the long arm of chromosome 15 2 trials · 3 incl. sub-types Sub-types →
- Partial trisomy/tetrasomy of chromosome 5 0 trials · 3 incl. sub-types Sub-types →
- Partial duplication of chromosome 1 0 trials · 1 incl. sub-types Sub-types →
- Partial duplication of chromosome 10 0 trials · 1 incl. sub-types Sub-types →
- Partial duplication of chromosome 3 0 trials · 1 incl. sub-types Sub-types →
- Partial segmental duplication 1 trial
- Partial duplication of chromosome 11 0 trials Sub-types →
- Partial duplication of chromosome 12 0 trials Sub-types →
- Partial duplication of chromosome 13 0 trials Sub-types →
- Partial duplication of chromosome 16 0 trials Sub-types →
- Partial duplication of chromosome 19 0 trials Sub-types →
- Partial duplication of chromosome 2 0 trials Sub-types →
- Partial duplication of chromosome 4 0 trials Sub-types →
- Partial duplication of chromosome 6 0 trials Sub-types →
- Partial duplication of chromosome 8 0 trials Sub-types →
- Partial duplication of the long arm of chromosome 14 0 trials Sub-types →
- Partial duplication of the long arm of chromosome 22 0 trials Sub-types →
- Partial trisomy of chromosome 20 0 trials Sub-types →
- Partial trisomy/tetrasomy of chromosome 18 0 trials Sub-types →
- Partial trisomy/tetrasomy of chromosome 9 0 trials Sub-types →
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Prader-Willi syndrome 31 trials
5 sub-types
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Gonosome anomaly 6 trials · 20 incl. sub-types
2 sub-types
- Chromosome X disorder 0 trials · 12 incl. sub-types Sub-types →
- Chromosome Y disorder 0 trials · 7 incl. sub-types Sub-types →
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Silver-Russell syndrome 7 trials
11 sub-types
- Russell-silver syndrome, X-linked 0 trials
- Silver-Russell syndrome 1 0 trials
- Silver-Russell syndrome 3 0 trials
- Silver-Russell syndrome 5 0 trials
- Silver-Russell syndrome due to 11p15 microduplication 0 trials
- Silver-Russell syndrome due to 7p11.2p13 microduplication 0 trials
- Silver-Russell syndrome due to an imprinting defect of 11p15 0 trials
- Silver-Russell syndrome due to maternal uniparental disomy of chromosome 11 0 trials
- Silver-Russell syndrome due to maternal uniparental disomy of chromosome 7 0 trials
- Silver-russell syndrome 2 0 trials
- Silver-russell syndrome 4 0 trials
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Chromosome inversion disorder 1 trial
2 sub-types
- Chromosome 16 inversion, 0.45-Mb 0 trials
- Chromosome 18 pericentric inversion 0 trials
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Polyploidy 0 trials · 1 incl. sub-types
3 sub-types
- Triploidy 1 trial
- Diploid-triploid mosaicism 0 trials
- Tetraploidy syndrome 0 trials
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Uniparental disomy 0 trials · 1 incl. sub-types
27 sub-types
- Paternal uniparental disomy of chromosome 14 1 trial
- Angelman syndrome due to paternal uniparental disomy of chromosome 15 0 trials
- Beckwith-Wiedemann syndrome due to paternal uniparental disomy of chromosome 11 0 trials
- Prader-Willi syndrome due to maternal uniparental disomy of chromosome 15 0 trials
- Maternal uniparental disomy of chromosome 1 0 trials
- Maternal uniparental disomy of chromosome 13 0 trials
- Maternal uniparental disomy of chromosome 14 0 trials
- Maternal uniparental disomy of chromosome 16 0 trials
- Maternal uniparental disomy of chromosome 2 0 trials
- Maternal uniparental disomy of chromosome 20 0 trials
- Maternal uniparental disomy of chromosome 21 0 trials
- Maternal uniparental disomy of chromosome 22 0 trials
- Maternal uniparental disomy of chromosome 4 0 trials
- Maternal uniparental disomy of chromosome 6 0 trials
- Maternal uniparental disomy of chromosome 9 0 trials
- Maternal uniparental disomy of chromosome X 0 trials
- Mosaic genome-wide paternal uniparental disomy 0 trials
- Paternal uniparental disomy of chromosome 1 0 trials
- Paternal uniparental disomy of chromosome 13 0 trials
- Paternal uniparental disomy of chromosome 20 0 trials
- Paternal uniparental disomy of chromosome 21 0 trials
- Paternal uniparental disomy of chromosome 5 0 trials
- Paternal uniparental disomy of chromosome 6 0 trials
- Paternal uniparental disomy of chromosome 7 0 trials
- Paternal uniparental disomy of chromosome X 0 trials
- Silver-Russell syndrome due to maternal uniparental disomy of chromosome 11 0 trials
- Silver-Russell syndrome due to maternal uniparental disomy of chromosome 7 0 trials
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Bloom syndrome 0 trials
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FRAXD syndrome 0 trials
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Chromosome Xq13 duplication syndrome 0 trials
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Duplication/inversion 15q11 0 trials
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7 sub-types
- Atelis syndrome 1 0 trials
- Atelis syndrome 2 0 trials
- Mosaic variegated aneuploidy syndrome 1 0 trials
- Mosaic variegated aneuploidy syndrome 2 0 trials
- Mosaic variegated aneuploidy syndrome 3 0 trials
- Mosaic variegated aneuploidy syndrome 4 0 trials
- Mosaic variegated aneuploidy syndrome 7 with inflammation and tumor predisposition 0 trials
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Ring chromosome disorder 0 trials
24 sub-types
- X small rings 0 trials
- Chromosome 8-derived supernumerary ring/marker 0 trials
- Ring chromosome 1 0 trials
- Ring chromosome 10 0 trials
- Ring chromosome 11 0 trials
- Ring chromosome 12 0 trials
- Ring chromosome 13 0 trials
- Ring chromosome 14 0 trials
- Ring chromosome 15 0 trials
- Ring chromosome 16 0 trials
- Ring chromosome 17 0 trials
- Ring chromosome 18 0 trials
- Ring chromosome 19 0 trials
- Ring chromosome 2 0 trials
- Ring chromosome 20 0 trials
- Ring chromosome 21 0 trials
- Ring chromosome 22 0 trials
- Ring chromosome 3 0 trials
- Ring chromosome 4 0 trials
- Ring chromosome 5 0 trials
- Ring chromosome 6 0 trials
- Ring chromosome 7 0 trials
- Ring chromosome 9 0 trials
- Ring chromosome Y 0 trials
Most studied deeper sub-types
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Could hidden blood problems be common in children with certain genetic syndromes?
Knowledge-focused Not yet recruitingThis study looks at blood health in children with numerical chromosomal disorders, such as Down syndrome, Turner syndrome, Klinefelter syndrome, Edwards syndrome, and Patau syndrome. Researchers will measure blood counts and check for issues like anemia, low platelets, or abnorma…
Sponsor: Assiut University • Aim: Knowledge-focused
Last updated Sep 12, 2026 00:00 UTC
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Heart defects and hidden genes: new study to reveal genetic links
Knowledge-focused Not yet recruitingThis study will examine 138 children with congenital heart disease to find out how many also have chromosomal abnormalities. Researchers will use a standard genetic test called karyotyping to look for missing or extra chromosomes. The goal is to improve diagnosis, treatment plann…
Sponsor: Assiut University • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC
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New study to uncover hidden genetic carriers of down syndrome in families
Knowledge-focused Not yet recruitingThis study will look at 230 children with Down syndrome and their parents to find out how many have a rare form called translocation Down syndrome. Researchers will use blood tests to check if parents carry a balanced translocation that can be passed down. The goal is to better u…
Sponsor: Assiut University • Aim: Knowledge-focused
Last updated Jun 26, 2026 18:22 UTC