- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving 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.
Studieoversikt
Detaljert beskrivelse
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.
Studietype
Registrering
Kontakter og plasseringer
Studiesteder
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Maryland
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Bethesda, Maryland, Forente stater, 20892
- National Institute of Dental and Craniofacial Research (NIDCR)
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
- Barn
- Voksen
- Eldre voksen
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
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.
Studieplan
Hvordan er studiet utformet?
Samarbeidspartnere og etterforskere
Publikasjoner og nyttige lenker
Generelle publikasjoner
- 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.
Studierekorddatoer
Studer hoveddatoer
Studiestart
Studiet fullført
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Anslag)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Nøkkelord
Andre studie-ID-numre
- 970104
- 97-D-0104
Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .
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