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Cold Pressor Test is Used in This Study to Assess the Effect of PF-06305591 on Pain Intensity Evoked by Cold in Healthy Male Subjects

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ClinicalTrials.gov Identifier: NCT01812265
Recruitment Status : Completed
First Posted : March 18, 2013
Last Update Posted : September 17, 2013
Sponsor:
Information provided by (Responsible Party):
Pfizer

Study Description
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Brief Summary:
This study will evaluate the pharmacological activity of PF-06305591 in healthy male volunteers by assessing the effects of two dose levels of PF-06305591 on cold pain intensity evoked by keeping non-dominant hand into a water bath kept at 2+/- degrees.

Condition or disease Intervention/treatment Phase
Healthy Drug: PF-06305591 Drug: Placebo Phase 1

Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 16 participants
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Basic Science
Official Title: A Double Blind (3rd Party Open), Randomized, Placebo Controlled, Crossover Study To Investigate The Effects Of Pf-06305591 On Cold Pain In Healthy Male Subjects
Study Start Date : June 2013
Actual Primary Completion Date : August 2013
Actual Study Completion Date : August 2013
Arms and Interventions
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Arm Intervention/treatment
Experimental: PF-06305591 Dose 1 Drug: PF-06305591
single Dose
Experimental: PF-06305591 Dose 2 Drug: PF-06305591
single Dose
Placebo Comparator: Placebo Drug: Placebo
Single Dose


Outcome Measures
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Primary Outcome Measures :
  1. Change From Baseline in Visual Analogue Scale (VAS) Score at time X, measured within a 2 minute interval [ Time Frame: 24h ]
    Change from Baseline in 10 cm VAS pain score; 10-point pain intensity ordinal rating system: 0 = no pain, 1-3 = mild pain, 4-6 = moderate pain, 7-9 = severe pain, 10 = worst possible pain. Change = scores at observation minus score at Baseline in a 2 minute assessment.


Secondary Outcome Measures :
  1. Maximum Observed Plasma Concentration (Cmax) [ Time Frame: 24h ]
  2. Area Under the Curve From Time Zero to Last Quantifiable Concentration [AUC (0-t)] [ Time Frame: 24h ]

Eligibility Criteria
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Ages Eligible for Study:   18 Years to 55 Years   (Adult)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Healthy male subjects between the ages of 18 and 55 years, inclusive. Healthy is defined as no clinically relevant abnormalities identified by a detailed medical history, full physical examination, including blood pressure and pulse rate measurement, 12-lead ECG and clinical laboratory tests.
  • Body Mass Index (BMI) of 17.5 to 35 kg/m2; and a total body weight >50 kg (110 lbs).

Exclusion Criteria:

  • Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at the time of dosing).
  • Any condition possibly affecting drug absorption (eg, gastrectomy).
  • Subjects unable to tolerate pre-study Cpressor testing at screening.
  • Subjects with an average pain (AUC 0 to 120 sec) in the pre-study Cpressor test of less than or equal to 20.
  • Broken skin on hands or forearms
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01812265


Locations
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Belgium
Pfizer Investigational Site
Bruxelles, Belgium, B-1070
Sponsors and Collaborators
Pfizer
Investigators
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Study Director: Pfizer CT.gov Call Center Pfizer
More Information
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Additional Information:
To obtain contact information for a study center near you, click here.  This link exits the ClinicalTrials.gov site

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Responsible Party: Pfizer
ClinicalTrials.gov Identifier: NCT01812265     History of Changes
Other Study ID Numbers: B5281003
First Posted: March 18, 2013    Key Record Dates
Last Update Posted: September 17, 2013
Last Verified: September 2013