Study of Gabapentin Extended Release (G-ER)in the Treatment of Vasomotor (Hot Flashes/Hot Flushes) Symptoms in Postmenopausal Women.

NCT ID: NCT00777023

Last Updated: 2012-02-22

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

View full results

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

565 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-10-31

Study Completion Date

2009-10-31

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

Depomed's Gabapentin Extended Release is an investigational, extended release formulation of gabapentin that is being studied for the treatment of hot flashes in postmenopausal women

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

The primary study objective is to assess the efficacy of G-ER dosed in either of the following regimens:

G-ER 1200mg daily (single evening dose)

G-ER 1800mg daily (dosed asymmetrically; 600mg AM/1200mg PM)

compared to placebo in reducing the average daily frequency and severity score of moderate to severe hot flashes in postmenopausal women after 4 weeks and 12 weeks of treatment with a stable dose, compared with the baseline week.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Hot Flashes

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

G-ER 1200 mg

Gabapentin extended-release (G-ER) 1200 mg

Group Type EXPERIMENTAL

Gabapentin Extended-Release (G-ER) 1200 mg

Intervention Type DRUG

G-ER 1200 mg daily dosage given as two 600-mg tablets.

G-ER 1800 mg

Gabapentin extended-release (G-ER) 1800 mg

Group Type EXPERIMENTAL

Gabapentin Extended-Release (G-ER) 1800 mg

Intervention Type DRUG

G-ER 1800 mg daily dosage given as one 600-mg tablet in the morning and two 600-mg tablets in the evening.

Sugar Pill

Placebo 1200 mg or 1800 mg

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Matching placebo dosages of 1200 mg daily (two 600-mg tablets) and 1800 mg daily (one 600-mg tablet in the morning and two 600-mg tablets in the evening).

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Gabapentin Extended-Release (G-ER) 1200 mg

G-ER 1200 mg daily dosage given as two 600-mg tablets.

Intervention Type DRUG

Gabapentin Extended-Release (G-ER) 1800 mg

G-ER 1800 mg daily dosage given as one 600-mg tablet in the morning and two 600-mg tablets in the evening.

Intervention Type DRUG

Placebo

Matching placebo dosages of 1200 mg daily (two 600-mg tablets) and 1800 mg daily (one 600-mg tablet in the morning and two 600-mg tablets in the evening).

Intervention Type DRUG

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

Gabapentin Gabapentin Placebo; sugar pill

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

1. Postmenopausal women aged 18 to 70 years experiencing ≥7 moderate to severe hot flashes per day (or ≥50 per week) accompanied by sweating during previous 30 days or longer.
2. Had amenorrhea for ≥12 months, amenorrhea for 6 to 12 months with serum follicle-stimulating hormone (FSH) levels \>40 mIU/mL, or was ≥6 weeks postsurgical bilateral oophorectomy with or without hysterectomy.
3. Willing to discontinue the following: vaginal hormonal products; transdermal or oral estrogen or estrogen/progestin combination; intrauterine progestin; progestin implants; injectable estrogen; topical progesterone cream.
4. Had to have daily average of ≥7 moderate to severe hot flashes and had to complete ≥4 days of diary entries during baseline week to be randomized.
5. If treated with antidepressants, could not have had any changes in drug doses during past month.

Other Inclusions apply.

Exclusion Criteria

1. Patient treated with a gonadotrophin releasing hormone agonist, anti-estrogens, or aromatase inhibitors within 2 months prior to study entry.
2. Patient treated with estrogen pellets or progestin injectable drugs within 6 months prior to study entry.
3. Patient experience only nighttime hot flashes or worked night shifts on a regular basis.
4. Patient was concurrently treated with gabapentin for other indications. If patient was using gabapentin for treatment of hot flashes, she could be screened after a 7-day washout period provided hot flashes returned.
5. Patient had previously experienced dose-limiting adverse effects that prevented titration of gabapentin to an effective dose.
6. Patient had a hypersensitivity to gabapentin.
7. Patient was in an immunocompromised state.
8. Patient had a malignancy other than basal cell carcinoma within 2 years prior to study entry.
9. Patient had gastric reduction surgery, severe chronic diarrhea, chronic constipation, uncontrolled irritable bowel syndrome, uncontrolled inflammatory bowel disease, or unexplained weight loss.
10. Patient had clinically significant abnormal chemistry or hematology results, or calculated glomerular filtration rate \<60 mL/min.
11. Patient had history of substance abuse within year prior to study entry.
12. Patient was concurrently taking morphine.
13. Patient had history of chronic hepatitis B or C, hepatitis within 3 months prior to study entry, or history of human immunodeficiency virus.

Other Exclusions apply.
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Depomed

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Meridien Research

Bradenton, Florida, United States

Site Status

Meridien Research

Brooksville, Florida, United States

Site Status

Radiant Research

Birmingham, Alabama, United States

Site Status

Star W Research

Chandler, Arizona, United States

Site Status

Radiant Research

Scottsdale, Arizona, United States

Site Status

May Women's Health Clinic

Little Rock, Arkansas, United States

Site Status

Family Medical Center

Foothill Ranch, California, United States

Site Status

Genesis Center for Clinical Research

San Diego, California, United States

Site Status

San Diego, California, United States

Site Status

Medical Center for Clinical Research

San Diego, California, United States

Site Status

Milestone Medical Research, Inc.

Englewood, Colorado, United States

Site Status

Danbury Clinical Research, LLC

Danbury, Connecticut, United States

Site Status

Clinical Research Consulting, LLC

Milford, Connecticut, United States

Site Status

Clinical Research of West Florida, Inc.

Clearwater, Florida, United States

Site Status

Southeastern Integrated Medical, PL

Gainsville, Florida, United States

Site Status

Sunrise Medical Research

Lauderdale Lakes, Florida, United States

Site Status

University Clinical Research, Inc.

Pembroke Pines, Florida, United States

Site Status

Radiant Research - St. Petersburg

Pinellas Park, Florida, United States

Site Status

Atlanta Women's Research Institute, Inc.

Atlanta, Georgia, United States

Site Status

Atlanta West Women's Center

Douglasville, Georgia, United States

Site Status

Physician's Research Group

Indianapolis, Indiana, United States

Site Status

West Bank Women's Health

Marrero, Louisiana, United States

Site Status

ActivMed Practices and Research

Haverhill, Massachusetts, United States

Site Status

Women's Health Care Specialists, PC

Paw Paw, Michigan, United States

Site Status

Saginaw Valley Medical Research Group, LLC

Saginaw, Michigan, United States

Site Status

Aspen Medical Group

Saint Paul, Minnesota, United States

Site Status

Clinical Research Center of Nevada

Las Vegas, Nevada, United States

Site Status

Williamsburg Boro Park ObGyn, PC

New York, New York, United States

Site Status

Pinewest Ob-Gyn, Inc.

High Point, North Carolina, United States

Site Status

Mid Dakota Clinic, PC

Bismarck, North Dakota, United States

Site Status

Radiant Research, Inc.

Cincinnati, Ohio, United States

Site Status

Rapid Medical Research, Inc.

Cleveland, Ohio, United States

Site Status

Columbus Center for Women's Health Research

Columbus, Ohio, United States

Site Status

Clinical Trials of America, Inc.

Eugene, Oregon, United States

Site Status

PMG/OB Gyn Health Center

Medford, Oregon, United States

Site Status

The Clinical Trial Center, LLC

Jenkintown, Pennsylvania, United States

Site Status

Upstate Pharmaceutical Research

Greenville, South Carolina, United States

Site Status

Coastal Carolina Research Center, Inc.

Mt. Pleasant, South Carolina, United States

Site Status

Alpha Clinical Research, LLC

Clarksville, Tennessee, United States

Site Status

Clinical Research Investigative Services, LLC

Knoxville, Tennessee, United States

Site Status

Mid-South OB-GYN, PLLC

Memphis, Tennessee, United States

Site Status

Renaissance Clinical Research and Hypertension Clinic

Dallas, Texas, United States

Site Status

InVisions Consultants, LLC

San Antonio, Texas, United States

Site Status

Radiant Research, Inc.

Salt Lake City, Utah, United States

Site Status

Advanced Clinical Research

West Jordan, Utah, United States

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

81-0059

Identifier Type: -

Identifier Source: secondary_id

BREEZE 2

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.