NCT00504127

Brief Summary

To study of efficacy and safety of Naproxcinod vs. Naproxen and Placebo in the indication of signs and symptoms of osteoarthritis

Trial Health

80
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1,020

participants targeted

Target at P75+ for phase_3

Geographic Reach
1 country

73 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2007

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

July 17, 2007

Completed
2 days until next milestone

First Posted

Study publicly available on registry

July 19, 2007

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2008

Completed
Last Updated

June 17, 2011

Status Verified

June 1, 2011

Enrollment Period

1.7 years

First QC Date

July 17, 2007

Last Update Submit

June 16, 2011

Conditions

Keywords

ArthritisDegenerative

Outcome Measures

Primary Outcomes (1)

  • To show that both doses of Naproxcinod (375 mg twice daily [bid] and 750 mg bid) were superior to placebo in relieving osteoarthritis (OA) signs and symptoms in subjects with OA of the knee at Week 13.

    13 weeks

Secondary Outcomes (5)

  • To assess the efficacy of naproxcinod compared to naproxen 500 mg bid in relieving OA signs and symptoms in subjects with OA of the knee

    52 weeks

  • To evaluate the effect on blood pressure (BP) of both doses of naproxcinod, placebo, and naproxen 500 mg bid, as measured by the office BP monitoring in a population of OA subjects

    52 weeks

  • To obtain information regarding the pharmacokinetics/exposure of both doses of naproxcinod through a population pharmacokinetics (PK) approach

    52 weeks

  • To assess if there were any radiological changes at Week 52 in naproxcinod compared with naproxen subjects (target joint radiographs were taken at Screening and after 52 weeks of treatment, or if early termination occurred after Week 26)

    52 weeks

  • To compare the general safety and tolerability of both doses of naproxcinod versus naproxen 500 mg bid up to 52 weeks and with one Week post treatment follow up (Week 53)

    53 weeks

Study Arms (4)

naproxcinod 375 mg bid

EXPERIMENTAL
Drug: Naproxcinod 375 mg bid

naproxcinod 750 mg bid

EXPERIMENTAL
Drug: Naproxcinod 750 mg bid

naproxen 500 mg bid

ACTIVE COMPARATOR
Drug: Naproxen 500 mg bid

placebo

PLACEBO COMPARATOR
Drug: placebo

Interventions

Naproxcinod 375 mg bid

naproxcinod 375 mg bid

Naproxcinod 750 mg bid

naproxcinod 750 mg bid

Naproxen 500 mg bid

naproxen 500 mg bid

placebo

placebo

Eligibility Criteria

Age40 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Men and Woman (40 or older) with a diagnosis of primary OA of the knee.
  • Must be a current chronic user of NSAIDS or acetaminophen
  • Must discontinue all analgesic therapy at Screening

You may not qualify if:

  • Uncontrolled Hypertension or Diabetes
  • Hepatic or Renal Impairment
  • Current or expected use of anti-coagulant
  • Clinical relevant abnormal ECG
  • A history of alcohol or drug abuse
  • Candidates for imminent joint replacement
  • Participation within 30 days prior to screening in another investigational study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (73)

Unknown Facility

Chandler, Arizona, United States

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Tempe, Arizona, United States

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Tucson, Arizona, United States

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Little Rock, Arkansas, United States

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Anaheim, California, United States

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Encino, California, United States

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Foothill Ranch, California, United States

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Orange, California, United States

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Rancho Mirage, California, United States

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Riverside, California, United States

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Denver, Colorado, United States

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Waterbury, Connecticut, United States

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Boca Raton, Florida, United States

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Brooksville, Florida, United States

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DeLand, Florida, United States

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Jacksonville, Florida, United States

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Largo, Florida, United States

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Ocala, Florida, United States

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Pinellas Park, Florida, United States

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St. Petersburg, Florida, United States

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Tampa, Florida, United States

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Athens, Georgia, United States

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Atlanta, Georgia, United States

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Marietta, Georgia, United States

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Chicago, Illinois, United States

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Rockford, Illinois, United States

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Prairie Village, Kansas, United States

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Wichita, Kansas, United States

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Erlanger, Kentucky, United States

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Louisville, Kentucky, United States

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Baton Rouge, Louisiana, United States

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Owings Mills, Maryland, United States

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Wellesley Hills, Massachusetts, United States

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Ann Arbor, Michigan, United States

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Brooklyn Center, Minnesota, United States

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Edina, Minnesota, United States

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Florissant, Missouri, United States

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St Louis, Missouri, United States

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Rochester, New York, United States

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Asheville, North Carolina, United States

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Charlotte, North Carolina, United States

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Concord, North Carolina, United States

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Raleigh, North Carolina, United States

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Salisbury, North Carolina, United States

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Winston-Salem, North Carolina, United States

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Beachwood, Ohio, United States

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Columbus, Ohio, United States

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Marion, Ohio, United States

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Clinton, Oklahoma, United States

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Altoona, Pennsylvania, United States

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Bensalem, Pennsylvania, United States

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Duncansville, Pennsylvania, United States

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Philadelphia, Pennsylvania, United States

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West Reading, Pennsylvania, United States

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Anderson, South Carolina, United States

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Clinton, South Carolina, United States

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Goose Creek, South Carolina, United States

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Greer, South Carolina, United States

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Mt. Pleasant, South Carolina, United States

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Cordova, Tennessee, United States

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Jackson, Tennessee, United States

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Kingsport, Tennessee, United States

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Memphis, Tennessee, United States

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Dallas, Texas, United States

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Garland, Texas, United States

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Houston, Texas, United States

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Nederland, Texas, United States

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San Antonio, Texas, United States

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Salt Lake City, Utah, United States

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Norfolk, Virginia, United States

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Roanoke, Virginia, United States

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Virginia Beach, Virginia, United States

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Lakewood, Washington, United States

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MeSH Terms

Conditions

OsteoarthritisArthritis

Interventions

naproxen-n-butyl nitrateBID protein, humanNaproxen

Condition Hierarchy (Ancestors)

Joint DiseasesMusculoskeletal DiseasesRheumatic Diseases

Intervention Hierarchy (Ancestors)

Naphthaleneacetic AcidsNaphthalenesPolycyclic Aromatic HydrocarbonsHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsPolycyclic Compounds

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

July 17, 2007

First Posted

July 19, 2007

Study Start

April 1, 2007

Primary Completion

December 1, 2008

Last Updated

June 17, 2011

Record last verified: 2011-06

Locations