raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:391655

Off-periods in Parkinson disease not responding to oral treatment

Type
Particular clinical situation in a disease or syndrome
Group
Disorder
Inheritance
Not applicable
Age of onset
Adult, Elderly
Status
active

A rare clinical situation occurring in the context of Parkinson disease characterized by return or worsening of symptoms (including motor and/or non-motor symptoms) under antiparkinsonian therapy. Types of off-periods are Morning Off (experienced before the first dose of the day), Delayed On (occurring more frequently after the first dose of the day or after meals), Wearing Off (end-of-dose deterioration), Sudden Off (sudden transition from on to off), and Dose Failure.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enOff-periods in Parkinson disease not responding to oral treatment
frPériodes off de la maladie de Parkinson ne répondant pas aux traitements par voie orale
deMedikamentöse Off-Phase in der Parkinson-Krankheit
esPeríodos 'off' en la enfermedad de Parkinson que no responden al tratamiento oral
itPeriodi "off" nella malattia di Parkinson che non rispondono ai trattamenti per via orale
nlOff-periodes bij ziekte van Parkinson die niet reageren op orale behandeling
ptPeríodos sem resposta à terapêutica oral na doença de Parkinson
plOkresy wyłączeń w chorobie Parkinsona niereagujące na leczenie doustne
csOff-periody u Parkinsonovy choroby neodpovídající na orální léčbu
ukПеріоди погіршення симптомів при хворобі Паркінсона, які не піддаються пероральному лікуванню
zh帕金森病口服治疗无效的间歇期
trParkinson hastalığında oral tedaviye yanıt vermeyen dönemler

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10G20NTBTattributedvalidated
UMLSC5681154Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 100 0004.15 / 100 000EuropeValue and classValidatedEuropean Medicines Agency 2004[OTHER]

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

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card