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A Pilot Study to Evaluate the Contribution of the Saphenous Nerve in Ankle Pain of Patients With Degenerative Joint Disease of the Ankle

This study is enrolling participants by invitation only.
Information provided by (Responsible Party):
Steven R. Clendenen, Mayo Clinic Identifier:
First received: October 24, 2012
Last updated: July 16, 2014
Last verified: July 2014

To assess the pain scores before and after saphenous nerve block placement in patients with degenerative joint disease of the ankle

Degenerative Joint Disease of the Ankle

Study Type: Observational
Study Design: Observational Model: Case-Only
Time Perspective: Prospective
Official Title: A Pilot Study to Evaluate the Contribution of the Saphenous Nerve in Ankle Pain of Patients With Degenerative Joint Disease of the Ankle

Resource links provided by NLM:

Further study details as provided by Mayo Clinic:

Primary Outcome Measures:
  • Ankle pain [ Time Frame: 30 minutes ] [ Designated as safety issue: No ]
    Patient's ankle pain will be assessed prior to and after the nerve block. The study will assess if pain score is lower after the saphenous nerve block

Estimated Enrollment: 20
Study Start Date: October 2012
Estimated Study Completion Date: December 2014
Estimated Primary Completion Date: December 2014 (Final data collection date for primary outcome measure)
Saphenous nerve block
Data collection after saphenous nerve block placement


Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population

Patients with degenerative joint disease of the ankle evaluated in the orthopedic department


Inclusion Criteria:

  • Patients evaluated with osteoarthritis who are surgical candidates for ankle fusion or total ankle replacement.
  • Registered patients at Mayo Clinic in Florida with scheduled visit to see Dr.Whalen

Exclusion Criteria:

  • Patients with lower extremity diabetic neuropathy
  • History of prior trauma of ankle with residual nerve injury
  • Current medication of pregabalin or gabalin
  • Allergy to lidocaine.
  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: NCT01716650

United States, Florida
Mayo Clinic
Jacksonville, Florida, United States, 32224
Sponsors and Collaborators
Mayo Clinic
  More Information

No publications provided

Responsible Party: Steven R. Clendenen, Principal Investigator, Mayo Clinic Identifier: NCT01716650     History of Changes
Other Study ID Numbers: 09-007710
Study First Received: October 24, 2012
Last Updated: July 16, 2014
Health Authority: United States: Institutional Review Board

Keywords provided by Mayo Clinic:
saphenous nerve block

Additional relevant MeSH terms:
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases processed this record on February 27, 2015