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Effect of Systemic Ropivacaine on Hyperalgesia, Flare Reaction and Peripheral Nerve Excitability

This study has been completed.
Information provided by:
University of Zurich Identifier:
First received: October 21, 2008
Last updated: August 5, 2011
Last verified: August 2011

The purpose of this study is to compare the effect of intravenous ropivacaine and lidocaine on the receptive field of primary sensory afferents and their influence on the vascular bed.

*Trial with medicinal product

Condition Intervention Phase
Healthy Volunteers Drug: ropivacaine (Naropin) Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Triple (Participant, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Effect of Systemic Ropivacaine on Hyperalgesia, Flare Reaction and Peripheral

Resource links provided by NLM:

Further study details as provided by University of Zurich:

Primary Outcome Measures:
  • Aera of flare reaction (cm2), area of primary and secondary hyperalgesia (cm2) [ Time Frame: 1 year ]

Estimated Enrollment: 34
Study Start Date: January 2010
Study Completion Date: July 2011
Primary Completion Date: May 2011 (Final data collection date for primary outcome measure)
Intervention Details:
    Drug: ropivacaine (Naropin)
    intravenous infusion 1 mg/kg bw
    Other Name: Naropin

Ages Eligible for Study:   18 Years to 65 Years   (Adult)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   No

Inclusion criteria:

  1. Male
  2. Age: 18 - 65 years
  3. Weight: 50-100kg
  4. Height: 155-195cm
  5. Signed and dated informed consent
  6. Sufficient command of German language

Exclusion criteria:

  1. Contraindications to the class of drugs under study
  2. Vulnerable subjects (intellectually or mental impaired)
  3. Known hypersensitivity to class of drugs or the investigational product
  4. Drug abuse
  5. Known peripheral neuropathies
  6. Diabetes mellitus
  7. Chronic alcohol consumption
  8. Congestive heart disease
  9. Participants of other studies during study period
  10. Smoker
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Please refer to this study by its identifier: NCT00900913

Clinical Trial Center
Zurich, Switzerland
Sponsors and Collaborators
University of Zurich
Study Director: 01 Studienregister MasterAdmins UniversitaetsSpital Zuerich
  More Information

Responsible Party: Dr. Konrad Maurer, Institute of Anesthesiology Identifier: NCT00900913     History of Changes
Other Study ID Numbers: StV 24-2008
Study First Received: October 21, 2008
Last Updated: August 5, 2011

Additional relevant MeSH terms:
Somatosensory Disorders
Sensation Disorders
Neurologic Manifestations
Nervous System Diseases
Signs and Symptoms
Anesthetics, Local
Central Nervous System Depressants
Physiological Effects of Drugs
Sensory System Agents
Peripheral Nervous System Agents processed this record on August 18, 2017