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A Study of Embeda (Kadian NT, ALO-01) in Subjects With Pain Due to Osteoarthritis of the Hip or Knee

This study has been completed.
Information provided by (Responsible Party):
Pfizer Identifier:
First received: January 10, 2007
Last updated: September 13, 2013
Last verified: September 2013
The purpose of this study is to evaluate the efficacy of Kadian NT (ALO-01) compared with placebo for treating moderate to severe chronic pain over a 12 week period.

Condition Intervention Phase
Osteoarthritis Chronic Pain Drug: ALO-01 (Morphine Sulfate Plus Naltrexone Hydrochloride Extended Release) Drug: Placebo Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double Blind (Participant, Investigator)
Primary Purpose: Treatment
Official Title: A Multicenter, Randomized, Double-Blind, Placebo-Controlled, Phase 3 Efficacy Study of Kadian NT (Morphine Sulfate Plus Naltrexone Hydrochloride Extended-Release) Capsules in Subjects With Moderate to Severe Chronic Pain Due to Osteoarthritis of the Hip or Knee

Resource links provided by NLM:

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • Mean Change From Randomization to 12 Weeks Following Randomization in Diary Brief Pain Inventory Score of Average Pain (Daily Scores of Average Pain Averaged Over 7 Days) [ Time Frame: randomization to 12 weeks following randomization ]
    Change in pain intensity scale. Average pain intensity over last 24 hours rated daily from 0=no pain to 10=worst pain.

Enrollment: 547
Study Start Date: December 2006
Study Completion Date: November 2007
Primary Completion Date: November 2007 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: ALO-01
Up to 80 mg twice a day (bid)
Drug: ALO-01 (Morphine Sulfate Plus Naltrexone Hydrochloride Extended Release)
capsules, up to 80 mg bid
Other Name: Embeda
Placebo Comparator: Placebo
Twice a day (bid)
Drug: Placebo
capsules, bid

Detailed Description:
The primary objective of this study is to evaluate the efficacy of ALO-01 compared with placebo for the treatment of chronic moderate to severe pain (focusing on osteoarthritis of the hip or knee) as measured by mean change in diary Brief Pain Inventory (BPI) score of average pain (daily scores of average pain averaged over 7 days) from randomization to 12 weeks following randomization.

Ages Eligible for Study:   21 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Subject is 21 years of age or older
  • Subject is either not of childbearing potential OR subject must use an acceptable method of birth control if of childbearing potential
  • Negative pregnancy test if female of childbearing potential
  • Subject is in general good health
  • Subject required treatment of joint pain within the last 90 days
  • Subject has primary diagnosis of osteoarthritis (OA) of the hip or knee

Exclusion Criteria:

  • Subject has a documented history of allergic reaction or intolerance to morphine or other opioids
  • Subject is pregnant or breast-feeding
  • Subject is receiving systemic chemotherapy
  • Subject has a history of drug abuse/dependence/misuse or alcohol abuse/dependence
  • Subject has history of major depressive disorder not controlled with medication
  • Subject has any chronic pain syndrome (i.e., fibromyalgia) that may interfere with the symptoms of OA
  • Subject has active gastrointestinal disease, with the exception of gastroesophageal reflux disease (GERD)
  • Subject has a documented history of rheumatoid arthritis, uncontrolled inflammatory arthritis or non-steroidal anti-inflammatory drug (NSAID)-dependent inflammatory arthritis
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00420992

  Show 81 Study Locations
Sponsors and Collaborators
Study Director: James B. Jones, MD, PharmD Alpharma Pharmceuticals
  More Information

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Pfizer Identifier: NCT00420992     History of Changes
Other Study ID Numbers: ALO-KNT-301
Study First Received: January 10, 2007
Results First Received: September 11, 2009
Last Updated: September 13, 2013

Keywords provided by Pfizer:

Additional relevant MeSH terms:
Chronic Pain
Osteoarthritis, Hip
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases
Neurologic Manifestations
Nervous System Diseases
Signs and Symptoms
Analgesics, Opioid
Central Nervous System Depressants
Physiological Effects of Drugs
Sensory System Agents
Peripheral Nervous System Agents
Narcotic Antagonists processed this record on August 16, 2017