raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2828

Young-onset Parkinson disease

Synonyms: Early-onset Parkinson disease · YOPD

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Adult
Status
active

A rare parkinsonian disorder characterized by an age of onset between 21-45 years, rigidity, painful cramps followed by tremor, bradykinesia, dystonia, gait complaints and falls, and other non-motor symptoms. A slow disease progression and a more pronounced response to dopaminergic therapy are also observed in most forms of this disease.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enYoung-onset Parkinson diseaseEarly-onset Parkinson disease · YOPD
frMaladie de Parkinson à début précoceMaladie de Parkinson précoce · YOPD
deParkinson-Syndrom, früh-adultesFrüh beginnende Parkinson-Krankheit · Früh-adulte Form des Parkinson-Syndroms · YOPD
esEnfermedad de Parkinson de inicio juvenilEnfermedad de Parkinson de inicio precoz · YOPD
itMalattia di Parkinson ad esordio giovanileMalattia di Parkinson a esordio giovanile · Malattia di Parkinson a esordio precoce
nlZiekte van Parkinson met aanvang op jonge leeftijdYOPD · Ziekte van Parkinson met vroege aanvang
ptDoença de Parkinson de início juvenil
plParkinsonizm młodych dorosłychChoroba Parkinsona o wczesnym początku · Młodzieńcza choroba Parkinsona
csParkinsonova choroba s časným nástupemYOPD · Parkinsonova choroba s časným začátkem
ukХвороба Паркінсона з раннім початкомХвороба Паркінсона з раннім початком · YOPD
zh青年发病型帕金森病早发帕金森病
trGenç başlangıçlı Parkinson hastalığıYOPD · Erken başlangıçlı Parkinson hastalığı

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM300557BTNTvalidated
OMIM600116BTNTvalidated
OMIM602404BTNTvalidated
OMIM605909BTNTvalidated
OMIM606324BTNTvalidated
OMIM606852BTNTvalidated
OMIM610297BTNTvalidated
OMIM613643BTNTvalidated
OMIM615528NTBTvalidated
OMIM616840BTNTvalidated
ICD-10G20NTBTattributedvalidated
ICD-118A00.00NTBTindexvalidated
MONDO0017279Evalidated
UMLSC4275179Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (4):

No children.

4

Genes

11 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HTRA2Candidate gene tested inNot yet assessedHGNC:14348ENSG000001153176064412p13.1HtrA serine peptidase 221701785[PMID]
LRRK2Candidate gene tested inNot yet assessedHGNC:18618ENSG0000018890660900712q12leucine rich repeat kinase 222166458[PMID]
SNCACandidate gene tested inNot yet assessedHGNC:11138ENSG000001453351638904q22.1synuclein alpha17489854[PMID]_18704525[PMID]_20013014[PMID]_24768741[PMID]
UCHL1Candidate gene tested inNot yet assessedHGNC:12513ENSG000001542771913424p13ubiquitin C-terminal hydrolase L1
DNAJC6Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:15469ENSG000001166756083751p31.3DnaJ heat shock protein family (Hsp40) member C626528954[PMID]
PODXLDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:9171ENSG000001285676026327q32.3podocalyxin like26864383[PMID]
VPS13CDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:23594ENSG0000012900360887915q22.2vacuolar protein sorting 13 homolog C26942284[PMID]
PARK7Disease-causing germline mutation(s) inAssessedHGNC:16369ENSG000001162886025331p36.23Parkinsonism associated deglycase22166458[PMID]
PINK1Disease-causing germline mutation(s) inAssessedHGNC:14581ENSG000001588286083091p36.12PTEN induced kinase 122166458[PMID]
PRKNDisease-causing germline mutation(s) inAssessedHGNC:8607ENSG000001853456025446q26parkin RBR E3 ubiquitin protein ligase22166458[PMID]
SYNJ1Disease-causing germline mutation(s) inAssessedHGNC:11503ENSG0000015908260429721q22.11synaptojanin 123804577[PMID]_23804563[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Point prevalence1-5 / 10 00015 / 100 000EuropeValue and classValidatedORPHANET_23083512[PMID]
Point prevalence1-5 / 10 000—WorldwideClass onlyNot yet validated15172778[PMID]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

34 annotations · validated 2019-08-08
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002063Rigidity
Frequent (79-30%)
HP:0000741Apathy
HP:0000716Depression
HP:0100660Dyskinesia
HP:0000738Hallucinations
HP:0002172Postural instability
HP:0001337Tremor
Occasional (29-5%)
HP:0012332Abnormal autonomic nervous system physiology
HP:0000739Anxiety
HP:0002067Bradykinesia
HP:0100543Cognitive impairment
HP:0000551Color vision defect
HP:0002019Constipation
HP:0000726Dementia
HP:0002014Diarrhea
HP:0001332Dystonia
HP:0030014Female sexual dysfunction
HP:0002141Gait imbalance
HP:0002578Gastroparesis
HP:0001347Hyperreflexia
HP:0004409Hyposmia
HP:0100785Insomnia
HP:0040307Male sexual dysfunction
HP:0003394Muscle spasm
HP:0002018Nausea
HP:0025269Panic attack
HP:0012760Reduced social responsiveness
HP:0012452Restless legs
HP:0000736Short attention span
HP:0001257Spasticity
Very rare (<4-1%)
HP:0000713Agitation
HP:0000651Diplopia
HP:0000727Frontal lobe dementia
HP:0100710Impulsivity

Run the differential on the 1 obligate / very frequent terms

Annotation source: 24631501[PMID]_25744440[PMID]_31176633[PMID]_20301792[PMID]

7

Sources for this card