Parcopa Versus Carbidopa-Levodopa in a Single Dose Cross-Over Comparison Study

To find out if a single dose of Parcopa®, a form of levodopa that dissolves in your mouth, works faster than regular oral levodopa which is swallowed, in fluctuating PD patients...

Date First Received: December 28, 2007

Last Updated: January 9, 2008

Verified by: Baylor College of Medicine, December 2007

Clinical Trial Phase: Phase 4 | Start Date: October 2006

Overall Status: Recruiting

Estimated Enrollment: 20

Brief Summary

Official Title: “COMPARISON OF ORALLY DISSOLVING LEVODOPA (PARCOPA®) TO CONVENTIONAL ORAL LEVODOPA: A SINGLE DOSE, DOUBLE-BLIND, PLACEBO CONTROLLED, CROSS-OVER TRIAL”

Condition Keyword(s):

To find out if a single dose of Parcopa®, a form of levodopa that dissolves in your mouth, works faster than regular oral levodopa which is swallowed, in fluctuating PD patients.

Study Type: Interventional

Study Design: Treatment, Randomized, Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Dose Comparison, Crossover Assignment, Efficacy Study

Study Primary Completion Date: April 2008

Intervention(s) in this Clinical Trial

  • Drug: Parcopa
    • at subjects current stable dose of comparator
  • Drug: carbidopa-levodopa
    • at subjects current stable dose

Arms, Groups and Cohorts in this Clinical Trial

  • Experimental: b
    • Parcopa at equivalent dosage to subjects surrent stable dose
  • Active Comparator: a
    • carbidopa-levodopa at subjects current stable dose

Outcome Measures for this Clinical Trial

Primary Measures

  • time to on
    • Time Frame: first dose of day for each arm
      Safety Issue?: Yes

Criteria for Participation in this Clinical Trial

Inclusion Criteria:

  • Male or female between the age of 31 and 80 -Diagnosis of idiopathic Parkinson's disease for at least three years duration
  • Patients requiring levodopa for their PD
  • Good subjective response to levodopa
  • Fluctuating symptoms defined by wearing off phenomenon, any dyskinesia, and/or dose failures
  • A UPDRS -off- motor score of at least 25
  • Subjects willing to give informed consent
  • Subjects who are able and willing to comply with study procedures
  • If female of child-bearing potential, will use one of the approved birth control measures:
  • 1. Hormonal contraceptives
  • 2. Spermicidal and barrier
  • 3. Intrauterine device
  • 4. Partner sterility

Exclusion Criteria:

  • Subjects with evidence of significant dementia
  • Subjects with significant oral lesions
  • History of unstable cardiac disease including angina or congestive heart failure within 3 months prior to study entry
  • History of clinically significant renal disease including renal insufficiency of sufficient degree to require adjunctive treatment or dietary restrictions
  • History of clinically significant hepatic disease, including previously documented cirrhosis or hepatic insufficiency or jaundice within 3 months prior to study entry.
  • Subjects with poor response to levodopa
  • Women who are pregnant, breast-feeding, or planning to become pregnant during this study are excluded from participation due to unknown effects of the study drug on the fetus.

Gender Eligibility for this Clinical Trial: Both

Minimum Age for this Clinical Trial: 31 Years

Maximum Age for this Clinical Trial: 80 Years

Are Healthy Volunteers Accepted for this Clinical Trial?: No

Clinical Trial Sponsor Information

Lead Sponsor: Baylor College of Medicine

Overall Clinical Trial Officials and Contacts

William G Ondo, MD Principal Investigator Baylor College of Medicine  

Overall Contact: Lina Shinawi, CCRC 713-798-5519 lshinawi@bcm.edu

Additional Information

Information obtained from ClinicalTrials.gov on September 05, 2008

Link to the current ClinicalTrials.gov record. http://clinicaltrials.gov/show/NCT00590122

Study ID Number: H-19596

ClinicalTrials.gov Identifier: NCT00590122

Health Authority: United States: Institutional Review Board

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