Study To Assess The Effect Of Gabapentin, Diphenhydramine And Morphine On Cold Pain In Healthy Male Volunteers

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NCT01119222

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Study Location
Pfizer Investigational Site
Bruxelles, , 1070, Belgium
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Contact
1-800-718-1021
[email protected]
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FOR MORE INFORMATION

Contact a representative by phone, email, or visiting the study website. Please see the references below:

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1-800-718-1021

By email

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Eligibility Criteria
condition
The disease, disorder, syndrome, illness, or injury that is being studied.
Healthy
Sex
Male
Age
Pediatric Trials: 0-17 Years
Adult Trials: 18+ Years
18-55 years
Inclusion Criteria
The factors, or reasons, that allow a person to participate in a clinical study.
Show details

- Healthy male volunteers having given consent to participate in the study who have no clinically significant anomalies and whose vital signs are within normal range.

- Subject having performed the cold pain test reproducibly ie, if the area under the pain-time curve (AUC) must be within 20% during successive tests within one cold pain test screening visit and within 30% between the two cold pain test screening visits.

Exclusion Criteria
The factors, or reasons, that prevent a person from participating in a clinical study.
Show details


- Subject who have had a serious adverse reaction or significant hypersensitivity to any
of the study drugs.


- Subjects with a history of or evidence of any neurological condition which could
affect pain sensation.


- Subjects with an AUCcpt 0-120 sec in the cold pain test of <1000 in any of the
screening tests (excluding familiarization).

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Advanced Information
Descriptive Information
Brief Title  ICMJE Study To Assess The Effect Of Gabapentin, Diphenhydramine And Morphine On Cold Pain In Healthy Male Volunteers
Official Title  ICMJE A Randomised, Double-Blind, Double-Dummy, Placebo And Active Controlled, 4-Way Crossover Methodology Study To Assess The Effect Of Gabapentin, Diphenhydramine And Morphine On Cold Pain In Healthy Male Volunteers
Brief Summary Human experimental pain models are useful in understanding the mechanisms underlying clinical pain conditions and can be used to test the analgesic efficacy of drugs used in the management of pain. Once established these models can be used as mechanism biomarkers in early development clinical studies to establish proof of mechanism for novel compounds. The cold pain model is a mechanistic pain biomarker with potential application in proof of mechanism studies. In this study we aim to set up this cold pain model at a Clinical Research Unit and demonstrate we can effectively screen subjects for this model and examine the effect of morphine, diphenhydramine, and gabapentin in the cold pain model.
Detailed Description Cold pain methodology development
Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 1
Study Design  ICMJE Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Double (Participant, Investigator)
Condition  ICMJE Healthy
Intervention  ICMJE
  • Drug: Gabapentin
    Capsule, single 1200mg dose
  • Drug: Diphenhydramine
    Tablet, single 50mg dose
  • Drug: Morphine
    IV, single 10mg dose
  • Drug: Placebo
    Placebo formulations (Capsule, tablet, IV to match the active treatments and to be administered in a double-dummy fashion).
Study Arms  ICMJE
  • Active Comparator: Gabapentin 1200mg
    Intervention: Drug: Gabapentin
  • Active Comparator: Diphenhydramine 50 mg
    Intervention: Drug: Diphenhydramine
  • Active Comparator: Morphine 10 mg
    Intervention: Drug: Morphine
  • Placebo Comparator: Placebo formulations
    Intervention: Drug: Placebo
Publications * Not Provided

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment Status  ICMJE Completed
Actual Enrollment  ICMJE
 (submitted: May 6, 2010)		19
Original Actual Enrollment  ICMJE Same as current
Actual Study Completion Date  ICMJE October 2008
Actual Primary Completion Date October 2008   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  • Healthy male volunteers having given consent to participate in the study who have no clinically significant anomalies and whose vital signs are within normal range.
  • Subject having performed the cold pain test reproducibly ie, if the area under the pain-time curve (AUC) must be within 20% during successive tests within one cold pain test screening visit and within 30% between the two cold pain test screening visits.

Exclusion Criteria:

  • Subject who have had a serious adverse reaction or significant hypersensitivity to any of the study drugs.
  • Subjects with a history of or evidence of any neurological condition which could affect pain sensation.
  • Subjects with an AUCcpt 0-120 sec in the cold pain test of <1000 in any of the screening tests (excluding familiarization).
Sex/Gender  ICMJE
Sexes Eligible for Study:Male
Ages  ICMJE 18 Years to 55 Years   (Adult)
Accepts Healthy Volunteers  ICMJE Yes
Contacts  ICMJE Contact information is only displayed when the study is recruiting subjects
Listed Location Countries  ICMJE Belgium
Removed Location Countries  
 
Administrative Information
NCT Number  ICMJE NCT01119222
Other Study ID Numbers  ICMJE A9001388
Has Data Monitoring Committee No
U.S. FDA-regulated Product Not Provided
IPD Sharing Statement  ICMJE Not Provided
Responsible Party Director, Clinical Trial Disclosure Group, Pfizer, Inc.
Study Sponsor  ICMJE Pfizer
Collaborators  ICMJE Not Provided
Investigators  ICMJE
Study Director:Pfizer CT.gov Call CenterPfizer
PRS Account Pfizer
Verification Date February 2011

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP