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Pre and Post Orthopedic Surgery Sleep and Cardiac Testing (PROSPECT) (PROSPECT)

This study has been completed.
Nexan Inc
Information provided by:
Memorial Health System Identifier:
First received: November 4, 2008
Last updated: February 5, 2009
Last verified: February 2009
  • Evaluate sleep disordered breathing before and after orthopedic surgery utilizing a FDA cleared to market (510k) home sleep study device (Nexan Inc., ClearPath System)
  • Compare Berlin Questionnaire and Epworth Sleep Scale questionnaires to the home sleep study device results.
  • Evaluate effectiveness of the home sleep study testing in the orthopedic presurgical population.

Condition Phase
Obstructive Sleep Apnea Phase 4

Study Type: Observational
Study Design: Time Perspective: Prospective
Official Title: Pre and Post Orthopedic Surgery Sleep and Cardiac Testing (PROSPECT)

Further study details as provided by Memorial Health System:

Primary Outcome Measures:
  • Comparison of objective sleep data to standardized sleep questionnaires [ Time Frame: Pre and Post Operative ]

Secondary Outcome Measures:
  • Compare Pre and Post Operative Objective sleep data [ Time Frame: Pre and post operative ]

Estimated Enrollment: 100
Study Start Date: April 2008
Study Completion Date: February 2009
Primary Completion Date: January 2009 (Final data collection date for primary outcome measure)


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Orthopedic Total Hip or Knee Joint Replacement

Inclusion Criteria:

  • Undergoing knee or hip total joint replacement
  • Answer Yes to any PROSPECT health history questions and/or score Positive on the sleep questionnaires

Exclusion Criteria:

  • Tape Allergy
  • Previous Diagnosis Of Obstructive Sleep Apnea
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00785070

United States, Colorado
Memorial Health System
Colorado Springs, Colorado, United States, 80909
Sponsors and Collaborators
Memorial Health System
Nexan Inc
Principal Investigator: Clayton B. Carr, M.D. Memorial Health System
  More Information

Responsible Party: C. Bryan Carr, M.D., Memorial Health System Identifier: NCT00785070     History of Changes
Other Study ID Numbers: PROSPECT
Study First Received: November 4, 2008
Last Updated: February 5, 2009

Keywords provided by Memorial Health System:
Obstructive Sleep Apnea
Home Sleep Testing

Additional relevant MeSH terms:
Sleep Apnea Syndromes
Sleep Apnea, Obstructive
Respiration Disorders
Respiratory Tract Diseases
Sleep Disorders, Intrinsic
Sleep Wake Disorders
Nervous System Diseases processed this record on September 19, 2017