NCT00424372

Brief Summary

To evaluate the safety of the long-term use of pregabalin.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
126

participants targeted

Target at P25-P50 for phase_3

Timeline
Completed

Started Jan 2007

Geographic Reach
1 country

33 active sites

Status
completed

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

Completed
6 days until next milestone

First Submitted

Initial submission to the registry

January 18, 2007

Completed
1 day until next milestone

First Posted

Study publicly available on registry

January 19, 2007

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 19, 2008

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 19, 2008

Completed
1.1 years until next milestone

Results Posted

Study results publicly available

September 28, 2009

Completed
Last Updated

August 27, 2021

Status Verified

July 1, 2021

Enrollment Period

1.6 years

First QC Date

January 18, 2007

Results QC Date

August 19, 2009

Last Update Submit

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

EXPERIMENTAL
Drug: pregabalin

Interventions

Dosage: 150-600 mg/day (75-300 mg bid), oral administration, Treatment duration: 52 weeks

pregabalin

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

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

Location

Kobayashi Clinic

Urayasu, Chiba, 279-0012, Japan

Location

Okabe Hospital

Kasuya-gun, Fukuoka, 811-2122, Japan

Location

Gunma Pain Clinic Hospital

Maebashi, Gunma, 379-2147, Japan

Location

Takasaki Pain Clinic

Takasaki, Gunma, 370-0035, Japan

Location

Asahikawa Pain Clinic Hospital

Asahikawa, Hokkaido, 070-0034, Japan

Location

Kamui Pain Clinic

Asahikawa, Hokkaido, 070-8013, Japan

Location

Sapporo Asabu Clinic

Sapporo, Hokkaido, 001-0045, Japan

Location

Higashi Sapporo Hospital

Sapporo, Hokkaido, 003-8585, Japan

Location

Seimei Clinic

Akashi, Hyōgo, 673-0016, Japan

Location

Uchida Pain Relief Clinic

Amagasaki, Hyōgo, 661-0012, Japan

Location

National Hospital Organization Himeji Medical Center

Himeji, Hyōgo, 670-8520, Japan

Location

National Hospital Organization Kobe Medical Center

Kobe, Hyōgo, 654-0155, Japan

Location

Nakamura Clinic

Kobe, Hyōgo, 655-0854, Japan

Location

National Hospital Organization Sagamihara National Hospital

Sagamihara, Kanagawa, 228-8522, Japan

Location

Suzuki Pain Clinic

Yokohama, Kanagawa, 227-0043, Japan

Location

Hajiri Pain Clinic

Yokohama, Kanagawa, 236-0037, Japan

Location

National Hospital Organization Yokohama Medical Center

Yokohama, Kanagawa, 245-8575, Japan

Location

Sendai Pain Clinic

Sendai, Miyagi, 983-0036, Japan

Location

Nakamura Hospital

Beppu, Ohita, 874-0937, Japan

Location

Kawaguchi Kogyo General Hospital

Kawaguchi, Saitama, 332-0031, Japan

Location

Kinoshita Clinic

Tokorozawa, Saitama, 359-0038, Japan

Location

Tokyo Women's Medical University Center East

Arakawa-ku, Tokyo, 116-8567, Japan

Location

Juntendo University Hospital

Bunkyo-ku, Tokyo, 113-8431, Japan

Location

Mitaka Pain Clinic

Mitaka, Tokyo, 181-0013, Japan

Location

Toriumi Pain Clinic

Nakano-ku, Tokyo, 165-0027, Japan

Location

Kanto Medical NTT East Corporation

Shinagawa-ku, Tokyo, 141-0022, Japan

Location

Naganuma Pain Clinic

Shinagawa-ku, Tokyo, 141-0022, Japan

Location

Tokyo Women's Medical University Hospital

Shinjuku-ku, Tokyo, 162-8666, Japan

Location

Mukai Clinic

Fukuoka, 812-0011, Japan

Location

KM Pain Clinic

Fukuoka, 814-0001, Japan

Location

Otsuki Sleep Clinic

Fukushima, 960-8044, Japan

Location

Hasumi Pain Clinic

Saitama, 330-0805, Japan

Location

Related Links

MeSH Terms

Conditions

Neuralgia, Postherpetic

Interventions

Pregabalin

Condition Hierarchy (Ancestors)

NeuralgiaPeripheral Nervous System DiseasesNeuromuscular DiseasesNervous System DiseasesPainNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

gamma-Aminobutyric AcidAminobutyratesButyratesAcids, AcyclicCarboxylic AcidsOrganic ChemicalsAmino AcidsAmino Acids, Peptides, and Proteins

Results Point of Contact

Title
Pfizer ClinicalTrials.gov Call Center
Organization
Pfizer, Inc.

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

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.

More information

Locations