Efficacy and Safety Study of CVT-301 In Parkinson's Disease Patients With OFF Episodes

Overview

About this study

This randomized, multicenter, placebo-controlled, double-blind study will evaluate the efficacy and safety of inhaled CVT 301 compared with placebo in PD patients experiencing motor response fluctuations (OFF phenomena) as an outpatient (i.e., at home) and in the clinic. Patients who successfully complete this study will be eligible to enroll into a 12 month treatment extension (CVT-301-004E) study .

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Idiopathic Parkinson's Disease (PD) diagnosed between the ages of 30 and 80 years;
  • Hoehn and Yahr Stage 1-3 in an "on" state;
  • Require levodopa-containing medication regimen at least 4 times during the waking day;
  • Experience motor fluctuations with a minimum of 2 hours of average daily "off" time per waking day (excluding early morning "off" time) and demonstrate levodopa responsiveness;
  • Are on stable PD medication regimen;
  • Total daily LD dose <1600 mg/day;
  • Able to perform a spirometry maneuver in the ON and OFF states
  • Normal cognition confirmed by MMSE score ≥25 ;

Exclusion Criteria:

  • Pregnant or lactating females;
  • Previous surgery for PD or plan to have stereotactic surgery during the study period;
  • History of psychotic symptoms requiring treatment, or suicide ideation or attempt within last year;
  • Known contraindication to the use of levodopa;
  • Any significant condition, severe concurrent disease, abnormality or finding that would make patients unsuitable or may compromise patient safety;
  • Any any contraindication to performing routine spirometry.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status

Scottsdale/Phoenix, Ariz.

Mayo Clinic principal investigator

Shyamal Mehta, M.D., Ph.D.

Closed for enrollment

More information

Publications

Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

Not yet available

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CLS-20144050

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