Inclusion Criteria:
1. Suitable for Duodopa treatment in accordance with the Swedish Summary of Product Characteristics
2. Motivated and confident to test Duodopa home titration using TM
3. Participants who were able to handle the infusion pump and the TM equipment by themselves or with assistance, as determined by the Investigator
4. Understood and signed the study informed consent form
Exclusion Criteria:
1. Dementia or cognitive decline with Mini Mental State Examination score less than 24
2. Ongoing symptomatic depression, hallucinations or other psychotic behaviors without adequate treatment, as determined by the Investigator
3. Contraindications as described in the Swedish Summary of Product Characteristics: hypersensitivity to levodopa or carbidopa, narrow angle glaucoma, serious liver and kidney disease, severe heart failure, acute myocardial infarction, severe cardiac arrhythmias, recent or acute stroke, contraindications for adrenergic effects; pheochromocytoma, hyperthyroidism, cushing's syndrome, and other contraindications for abdominal surgery
4. Other reasons that made the participant unsuitable for home titration using TM, as determined by the Investigator
