A Long-Term Study To Evaluate Safety And Efficacy Of Pregabalin For Postherpetic Neuralgia
A LONG-TERM STUDY TO EVALUATE SAFETY AND EFFICACY STUDY OF PREGABALIN IN THE TREATMENT OF POSTHERPETIC NEURALGIA.
1 other identifier
interventional
126
1 country
33
Brief Summary
To evaluate the safety of the long-term use of pregabalin.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3
Started Jan 2007
33 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 12, 2007
CompletedFirst Submitted
Initial submission to the registry
January 18, 2007
CompletedFirst Posted
Study publicly available on registry
January 19, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 19, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
August 19, 2008
CompletedResults Posted
Study results publicly available
September 28, 2009
CompletedAugust 27, 2021
July 1, 2021
1.6 years
January 18, 2007
August 19, 2009
July 30, 2021
Conditions
Outcome Measures
Primary Outcomes (1)
Summary of Adverse Events
Number of subjects with all causality adverse events, serious adverse events, severe adverse events, adverse events resulted in discontinuation, dose reduced or temporary discontinuation. Subjects are counted only once per treatment in each row.
52 weeks
Secondary Outcomes (5)
Short-Form McGill Pain Questionnaire the Efficacy of Change: Sensory Score
52 weeks
Short-Form McGill Pain Questionnaire the Efficacy of Change: Affective Score
52 weeks
Short-Form McGill Pain Questionnaire the Efficacy of Change: Total Score
52 weeks
Short-Form McGill Pain Questionnaire the Efficacy of Change: Present Pain Intensity
52 weeks
Short-Form McGill Pain Questionnaire the Efficacy of Change: Visual Analog Scale
52 weeks
Study Arms (1)
pregabalin
EXPERIMENTALInterventions
Dosage: 150-600 mg/day (75-300 mg bid), oral administration, Treatment duration: 52 weeks
Eligibility Criteria
You may qualify if:
- Patients who completed the 13-week treatment of postherpetic neuralgia in Study A0081120.
- Patients must be able to understand and cooperate with study procedures and have signed a written informed consent prior to entering the study.
You may not qualify if:
- Patients who experienced serious adverse events in the preceding study (A0081120) that were determined by the investigator or the study sponsor to be causally related to the study medication.
- Patients exhibiting treatment non-compliance in the preceding study (A0081120)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (33)
National Hospital Organization Nagoya Medical Center
Nagoya, Aichi-ken, 460-0001, Japan
Kobayashi Clinic
Urayasu, Chiba, 279-0012, Japan
Okabe Hospital
Kasuya-gun, Fukuoka, 811-2122, Japan
Gunma Pain Clinic Hospital
Maebashi, Gunma, 379-2147, Japan
Takasaki Pain Clinic
Takasaki, Gunma, 370-0035, Japan
Asahikawa Pain Clinic Hospital
Asahikawa, Hokkaido, 070-0034, Japan
Kamui Pain Clinic
Asahikawa, Hokkaido, 070-8013, Japan
Sapporo Asabu Clinic
Sapporo, Hokkaido, 001-0045, Japan
Higashi Sapporo Hospital
Sapporo, Hokkaido, 003-8585, Japan
Seimei Clinic
Akashi, Hyōgo, 673-0016, Japan
Uchida Pain Relief Clinic
Amagasaki, Hyōgo, 661-0012, Japan
National Hospital Organization Himeji Medical Center
Himeji, Hyōgo, 670-8520, Japan
National Hospital Organization Kobe Medical Center
Kobe, Hyōgo, 654-0155, Japan
Nakamura Clinic
Kobe, Hyōgo, 655-0854, Japan
National Hospital Organization Sagamihara National Hospital
Sagamihara, Kanagawa, 228-8522, Japan
Suzuki Pain Clinic
Yokohama, Kanagawa, 227-0043, Japan
Hajiri Pain Clinic
Yokohama, Kanagawa, 236-0037, Japan
National Hospital Organization Yokohama Medical Center
Yokohama, Kanagawa, 245-8575, Japan
Sendai Pain Clinic
Sendai, Miyagi, 983-0036, Japan
Nakamura Hospital
Beppu, Ohita, 874-0937, Japan
Kawaguchi Kogyo General Hospital
Kawaguchi, Saitama, 332-0031, Japan
Kinoshita Clinic
Tokorozawa, Saitama, 359-0038, Japan
Tokyo Women's Medical University Center East
Arakawa-ku, Tokyo, 116-8567, Japan
Juntendo University Hospital
Bunkyo-ku, Tokyo, 113-8431, Japan
Mitaka Pain Clinic
Mitaka, Tokyo, 181-0013, Japan
Toriumi Pain Clinic
Nakano-ku, Tokyo, 165-0027, Japan
Kanto Medical NTT East Corporation
Shinagawa-ku, Tokyo, 141-0022, Japan
Naganuma Pain Clinic
Shinagawa-ku, Tokyo, 141-0022, Japan
Tokyo Women's Medical University Hospital
Shinjuku-ku, Tokyo, 162-8666, Japan
Mukai Clinic
Fukuoka, 812-0011, Japan
KM Pain Clinic
Fukuoka, 814-0001, Japan
Otsuki Sleep Clinic
Fukushima, 960-8044, Japan
Hasumi Pain Clinic
Saitama, 330-0805, Japan
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Pfizer ClinicalTrials.gov Call Center
- Organization
- Pfizer, Inc.
Study Officials
- STUDY DIRECTOR
Pfizer CT.gov Call Center
Pfizer
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 18, 2007
First Posted
January 19, 2007
Study Start
January 12, 2007
Primary Completion
August 19, 2008
Study Completion
August 19, 2008
Last Updated
August 27, 2021
Results First Posted
September 28, 2009
Record last verified: 2021-07
Data Sharing
- IPD Sharing
- Will share
Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical\_trials/trial\_data\_and\_results/data\_requests.