A Multi-centre, Randomised, Double-blind, Placebo and Entacapone Controlled, Parallel Group Study of the Efficacy, Safety and Tolerability of E2007 in Levodopa Treated Parkinson's Disease Patients With Motor Fluctuations
Overview
- Phase
- Phase 3
- Intervention
- Placebo
- Conditions
- Parkinson's Disease
- Sponsor
- Eisai Limited
- Enrollment
- 723
- Locations
- 1
- Primary Endpoint
- Mean Change From Baseline in Total Daily OFF Time (Hours) to Week 18 (Including LOCF Data)
- Status
- Terminated
- Last Updated
- 11 years ago
Overview
Brief Summary
Randomised, double-blind, double dummy, parallel group design. Following the screening period patients will be randomised at the baseline visit, in a 1:1:1 manner, to one of three treatment arms; 4 mg E2007, 200 mg entacapone (with each dose of levodopa) or placebo. The first 4 weeks of the double blind phase will be used to titrate patients on the E2007 arm from 2 mg up to the maintenance dose of 4 mg. Patients randomised to entacapone or placebo will have dummy up titrations to maintain the blind. Following this titration phase, patients will remain on the maintenance dose for a further 14 weeks.
Patients will have visits at 2, 4, 6, 10, 14 and 18 weeks after baseline. A follow up visit will be performed at Week 22.
A home diary will be completed in which patients rate themselves as either:
- "OFF"
- "ON" without dyskinesias
- "ON" with non-troublesome dyskinesias
- "ON" with troublesome dyskinesias
- Asleep
These entries will be completed every 30 minutes during the waking day and will be completed for three consecutive days immediately prior to visits at Baseline, Weeks 6, 10, 18 and 22.
At Baseline (Day 0), week 10 and 18 the Unified Parkinson's Disease Rating Scale (UPDRS - Parts I, II , III and IV) will be performed.
At the end of the treatment period (Week 18), patients will undergo final efficacy and safety assessments and will stop taking the study medication they were receiving. They will be seen 4 weeks later for a follow up visit.
Investigators
Eligibility Criteria
Inclusion Criteria
- •Male or female patients with idiopathic PD fulfilling the (United Kingdom \[UK\]) Parkinson's disease Society Brain Bank diagnostic criteria, with a good response to levodopa.
- •Patients must have been diagnosed with idiopathic PD at ≥ 30 years of age. In addition the onset of symptoms associated with Parkinson's disease must have occurred ≥ 30 years of age.
- •Patients must have predictable motor fluctuations of the wearing OFF type with the presence of at least 2 hrs of OFF time during the waking day (excluding the morning OFF time) as evidenced by diary cards completed at screening and confirmed by diary data collected in the 3 day diaries completed before randomisation.
- •Before patients are randomised, they must be able to show that they are able to accurately complete the diary cards. During the diary-training period at Screening Visit 1, there must be diary evidence of at least one transition of OFF to ON or from ON to OFF.
- •Patients must rate between II IV on the Hoehn \&Yahr (8) scale when in an OFF state.
- •Patients must be taking optimised levodopa (plus dopamine decarboxylase inhibitors \[DDI\]) therapy (according to the Investigator's opinion) at least 3 times during the waking day (not including bedtime/night time dose) up to a maximum of 8 doses daily (including bedtime/night time dose).
- •Patients who are treated with DA or MAOB inhibitors or other anti-PD drugs must be on optimised and stable doses for at least 4 weeks prior to the Screening visit and must remain stable throughout the study. Only levodopa dosage can be adjusted downwards in the first 6 weeks of the double blind treatment phase.
- •In the Investigator's opinion, patients must be able to distinguish their own motor states and the absence or presence of troublesome or non-troublesome dyskinesias.
- •In the Investigator's opinion, patients are able to complete the study including the completion of the home diary cards and are capable of giving full written informed consent.
Exclusion Criteria
- •Pregnant or lactating women.
- •Women of child bearing potential unless infertile (including surgically sterile) or practicing effective contraception (e.g., abstinence, intrauterine device or barrier method plus hormonal method). These patients must have a negative serum B-human chorionic gonadotrophin (B-HCG) test at the initial screening visit (Visit 1) and a negative urine pregnancy test at the baseline visit (Visit 3). These patients must also be willing to remain on their current form of contraception for the duration of the study. Postmenopausal women may be recruited but must be amenorrhoeic for at least 1 year to be considered of non child bearing potential as determined by the Investigator.
- •Patients with a past or present history of drug or alcohol abuse as per Diagnostic and Statistical Manual of Mental Disorders (4th edition; DSM IV) criteria.
- •Patients with a past (within 1 year) or present history of psychotic symptoms requiring anti psychotic treatment. Patients may be taking anti-depressant medication; however, the dose must be stable for 4 weeks prior to the Screening visit. Use of anti psychotic medication including clozapine and quetiapine is prohibited.
- •Patients with a past (within 1 year) or present history of major depression, suicidal ideation or suicide attempts.
- •Patients with unstable abnormalities of the hepatic, renal, cardiovascular, respiratory, gastro-intestinal, haematological, endocrine or metabolic systems that might complicate assessment of the tolerability of the study medication.
- •Patients who have a past or present history of liver impairment, neuroleptic malignant syndrome, non traumatic rhabdomyolysis or pheochromocytoma.
- •Patients with significantly elevated liver enzymes (abnormal bilirubin or serum transaminase levels of more than 1.5 times the upper normal limit).
- •Patients with current or prior treatment (within 4 weeks prior to the Screening visit) with medication known to induce the enzyme CYP3A
- •Current or prior treatment (within 4 weeks prior to the Screening visit) with pergolide (only applies to patients entering after April 5, 2007), cabergoline (effective as of the date of the IRB/IEC approval of this amendment), tolcapone, methyldopa, budipine, reserpine, quetiapine or intermittent use of either liquid forms of levodopa or subcutaneous apomorphine.
Arms & Interventions
Placebo
matching E2007 and matching entacapone
Intervention: Placebo
E2007
2 mg once daily in the evening, Weeks 0→2 (2 weeks) and 4 mg once daily in the evening, Weeks 2→18.
Intervention: E2007
Entacapone
200 mg with each dose of Levodopa.
Intervention: E2007
Outcomes
Primary Outcomes
Mean Change From Baseline in Total Daily OFF Time (Hours) to Week 18 (Including LOCF Data)
Time Frame: Baseline and Week 18
Efficacy assessments were recorded by subjects using a home diary card. ON state is when medication is providing benefits to mobility, slowness, and stiffness. OFF state is when medication has worn off and is no longer providing benefits with regard to stiffness, slowness, and tremor.
Secondary Outcomes
- Mean Change From Baseline in UPDRS Part III (Motor) Score in ON State (Hours) to Week 18 (Including LOCF Data)(Baseline and Week 18)
- Mean Change From Baseline in Total Daily ON Time (Without Dyskinesias or With Non-troublesome Dyskinesias) (Hours) to Week 18 (Including LOCF Data)(Baseline and Week 18)
- Mean Change From Baseline in UPDRS Part II (ADL) Score in Total Daily OFF Time to Week 18 (Including LOCF Data)(Baseline and Week 18)