Long-term Safety of Once-daily Hydrocodone Bitartrate (HYD) Tablets For Moderate to Severe Chronic Nonmalignant and Nonneuropathic Pain. Includes a 24-week Extension Period.

Research Across America, New York

The Medical Research Network, LLC, New York

Drug Trials America, Hartsdale

Upstate Clinical Research Associates, Williamsville

Finger Lakes Clinical Research, Rochester

Allegheny Pain Management, P.C., Altoona

Tipton Medical & Diagnostic Center, Tipton

Pennsylvania Research Institute, Bensalem

CRI Worldwide LLC, Philadelphia

Founders Research Corporation, Philadelphia

HypotheTest, LLC, Roanoke

Clinical Trials of America, Inc., Winston-Salem

The Center for Clinical Research, Winston-Salem

PMG Research of Charlotte, LLC, Charlotte

PMG Research of Wilmington LLC, Wilmington

Pain Research of Charleston, Charleston

Hartwell Research Group, Anderson

Radiant Research, Inc., Greer

Georgia Institute for Clinical Research, LLC, Marietta

Taylor Research, LLC, Marietta

Atlanta Knee and Shoulder Clinic, PC, Stockbridge

Southeast Regional Research Group, Columbus

Peninsula Research, Inc., Ormond Beach

Clinical Neuroscience Solutions, Inc., Jacksonville

Avail Clinical Research, LLC, DeLand

Compass Research, LLC, Orlando

MD Clinical, Hallandale

AGA Clinical Trials, Hialeah

Neuroscience Consultants LLC, Miami

Gold Coast Research, LLC, Plantation

Fidelity Clinical Research, Inc., Lauderhill

Health Awareness, Inc., Jupiter

Clinical Research of West Florida, Inc., Tampa

Innovative Research of West Florida, Inc., Clearwater

Clinical Physiology Associates, Fort Myers

Meridien Research, Bradenton

Renstar Medical Research, Ocala

Alliance Clinical Research, Birmingham

HCCA Clinical Research Solutions, Smyrna

Heartland Medical, PC, New Tazewell

Clinical Neuroscience Solutions, Inc., Memphis

Community Research, Crestview Hills

Commonwealth Biomedical Research, LLC, Madisonville

Bone Joint and Spine Surgeons, Inc., Toledo

Daystar Clinical Research, Inc., Akron

IVA Research, Cincinnati

Community Research, Cincinnati

Rehabilitation Associates of Indiana, Indianapolis

Northwest Indiana Center for Clinical Research, Valparaiso

Medical Research Associates, Inc., Traverse City

Integrated Clinical Trial Services, Inc., West Des Moines

Health Concepts, Rapid City

Illinois Center for Clinical Research, Chicago

Medex Healthcare Research, Inc., St Louis

Advance Clinical Research, St Louis

Mercy Health Research, St Louis

Sundance Clinical Research, LLC, St Louis

ICRI, Leawood

Quality Clinical Research, Omaha

Louisiana Research Associates, Inc., New Orleans

Cutting Edge Research Group, Oklahoma City

KRK Medical Research, Dallas

DCOL Center for Clinical Research, Longview

TEAM Research of Central Texas, Killeen

Heights Doctor's Clinic, Houston

JVC Family Medicine, Houston

Pioneer Research Solutions, Inc., Houston

Martin Diagnostic Clinic, Tomball

R/D Clinical Research, Inc., Lake Jackson

Sun Research Institute, San Antonio

FutureSearch Trials of Neurology, Austin

Lovelace Scientific Resources, Inc., Austin

Aspen Clinical Research, Orem

Advanced Clinical Research, West Jordan

Arizona Research Center, Phoenix

Genova Clinical Research, Tucson

Quality of Life Medical & Research Center, LLC, Tucson

Lovelace Scientific Resources, Albuquerque

Advanced Biomedical Research of America, Las Vegas

Research Facility, Las Vegas

Torrance Clinical Research, Lomita

Skyline Research, LLC, Long Beach

Lotus Clinical Research, LLC, Pasadena

TriWest Research Associates, La Mesa

Encompass Clinical Research, Spring Valley

United Clinical Research Center, Inc., Anaheim

Research Center of Fresno, Inc., Fresno

Center for Clinical Research, Inc, Richmond

Med Center, Carmichael

Northern California Research, Sacramento

Northwest Clinical Research Center, Bellevue

Washington Center for Pain Management, Edmonds

ACRI -Phase1, LLC, Anaheim

Chase Medical Research, LLC, Waterbury

Beacon Clinical Research, LLC, Brockton

MedVadis Research Corporation, Watertown

Comprehensive Clinical Research, Berlin

CRI Worldwide LLC, Willingboro