A Phase 2, Double-Blind, Multiple-Dose Escalation Study to Evaluate NKTR-118 (Oral PEG-Naloxol) in Patients With Opioid-Induced Constipation (OIC)

Long Island Gastrointestinal Research Group, Great Neck

Centennial Medical Group, Elkridge

The Center for Clinical Research, LLC, Winston-Salem

Four Seasons Hospice and Palliative Care, Flat Rock

Singleton Health Center, Orangeburg

Anderson Gastroenterology Associates, LLC, Anderson

PMI Health Research Group, Atlanta

Southeast Clinical Research, Chiefland

Osler Medical, Inc. / Osler Clinical Research, Melbourne

Gold Coast Research LLC, Weston

Palm Beach Research Center, West Palm Beach

Deerfoot Internal Medicine, Pinson

Tennessee Valley Pain Consultants / Center for Pain Management, Huntsville

ClinSearch, LLC, Chattanooga

Pain Treatment Center of the Bluegrass, Lexington

Gabrail Cancer Center, Canton

Riverhills Healthcare Research Division, Cincinnati

Investigative Clinical Research of Indiana, LLC, Indianapolis

MAPS Applied Research Center, Edina

Pain & Rehabilitation Clinic of Chicago, Chicago

Millennium Pain Center, Bloomington

Midwest Pharmaceutical Research, Inc., City of Saint Peters

Gulf Coast Reserach, Baton Rouge

Options Health Research, Tulsa

Arapahoe Gastroenterology, PC, Littleton

Northwest Clinical Trials, Boise

Lifetree Clinical Research, Salt Lake City

Genova Clinical Research, Inc., Tucson

Lovelace Scientific Resources, Inc., Albuquerque

San Diego Managed Care Group, San Diego

Therapeutic Research Institute of Orange County, Laguna Hills

Medford Medical Clinic, Medford

Spokane Internal Medicine, Spokane