- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00001597
Pain Measurement in Healthy Volunteers
This study will attempt to develop and validate improved subjective measures of pain sensation and use these measures to evaluate pain sensitivity in patients.
Normal healthy volunteers and dental patients undergoing third molar extraction may be eligible for this study. Participants will undergo the following procedures:
Volunteers: Volunteers will participate in two 90-minute sessions in which they will receive and rate four heat stimuli per minute applied to the skin for a maximum of 36 minutes. The heat stimuli range from 37° (Degree)C to 51° (Degree)C (99° (Degree) F to 124° (Degree) F) and last 2 to 3 seconds. A drug commonly used in dental treatments may be administered during the second session. This will be either a maximum of 0.15 mg fentanyl, a short-acting narcotic pain killer, or a maximum of 5 mg saline, an inactive substance (placebo).
Dental patients: Dental patients will participate in two 60-minute sessions. The first session will be on the day before the third molar extraction, and the second session will be immediately before the dental procedure. The heat stimulus procedure will be identical to that described above for normal healthy volunteers.
Study Overview
Detailed Description
Mismanaged pain is still a major medical problem. Many pain syndromes have no effective treatment, and many are managed poorly. Basic and applied research on pain treatment is hampered by the unobservable nature of pain sensation and the lack of validated measures of this perception.
The purpose of this protocol is to develop and validate improved subjective measures of pain sensation and use these measures to evaluate pain sensitivity in clinical populations. Normal volunteers rate experimentally-evoked pain sensations before and after double-blind administration of the opioid fentanyl or saline placebo. Patients rate experimentally-evoked pain sensations without any drug administration.
Study Type
Enrollment
Contacts and Locations
Study Locations
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Maryland
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Bethesda, Maryland, United States, 20892
- National Institute of Dental and Craniofacial Research (NIDCR)
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Normal Volunteers, including NIH employees, will serve as subjects.
No subjects with any painful disease or diseases in which altered pain sensitivity is suspected.
No subjects will be included with poor general health, history of significant illness, history of psychotic disorder or recent emotional distress, serious heart, lung, or liver disease, or pregnancy.
Subjects also will be excluded on the basis of history of allergy to any of the medications, history of chronic or recent drug use that may alter pain response, or chronic drug abuse.
Study Plan
How is the study designed?
Collaborators and Investigators
Publications and helpful links
General Publications
- Cannon RO 3rd, Quyyumi AA, Mincemoyer R, Stine AM, Gracely RH, Smith WB, Geraci MF, Black BC, Uhde TW, Waclawiw MA, et al. Imipramine in patients with chest pain despite normal coronary angiograms. N Engl J Med. 1994 May 19;330(20):1411-7. doi: 10.1056/NEJM199405193302003.
- Gracely RH, McGrath P, Dubner R. Validity and sensitivity of ratio scales of sensory and affective verbal pain descriptors: manipulation of affect by diazepam. Pain. 1978 Jun;5(1):19-29. doi: 10.1016/0304-3959(78)90021-0.
- Gracely RH, Dubner R, McGrath PA. Narcotic analgesia: fentanyl reduces the intensity but not the unpleasantness of painful tooth pulp sensations. Science. 1979 Mar 23;203(4386):1261-3. doi: 10.1126/science.424753.
Study record dates
Study Major Dates
Study Start
Study Completion
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 970104
- 97-D-0104
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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