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OROS Hydromorphone HCl will be administered in dose of 8, 16, 24, and 32 milligram (mg), once daily for 2 to 8 days of titrationphase and 28 days of maintenance phase. Starting dose will be based on participant's previous daily opioid dose.

Oxycodone HCl will be administered in dose of 10, 20, 30 and 40 mg, twice daily for 2 to 8 days of titrationphase and 28 days of maintenance phase. Starting dose will be based on participant's previous daily opioids dose.

Hydromorphone HCl will be administered in dose of 8, 16, 24, and 32 milligram (mg), once daily for 2 to 8 days of Titration phase and 28 days of Maintenance phase. Starting dose will be based on participant's previous daily opioid dose.

Hydromorphone HCl

Oxycodone HCl will be administered in dose of 10, 20, 30 and 40 mg, twice daily for 2 to 8 days of titration phase and 28 days of maintenance phase. Starting dose will be based on participant's previous daily opioids dose.

Oxycodone HCl CR

Placebo will be administered to the participants receiving hydromorphone HCl or oxycodone HCl CR along with the study treatment to maintain necessary blinding.

Placebo

Johnson & Johnson Pharmaceutical Research and Development Clinical Trial

The purpose of this study is to compare the safety and efficacy of Oral Osmotic Therapeutic System (OROS) hydromorphone hydrochloride (HCl) with controlled-release oxycodone HCl in participants with cancer-related pain.

This is a double-blind (a medical research study in which neither the researchers nor the participants know what treatment the participants is receiving), randomized (study drug is assigned by chance), multi-center (when more than one hospital or medical school team work on a medical research study), comparative, parallel-group (a clinical trial comparing the response in two or more groups of participants receiving different treatments) study of OROS hydromorphone HCl compared with oxycodone HCl controlled-release in participants with moderate to severe cancer (abnormal tissue that grows and spreads in the body until it kills) pain. The study will consist of 3 phases: a screening period (up to 14 days before randomization), a dose titration phase (up to 8 days), and a dose maintenance phase (28 days). The study visits will be scheduled at weekly intervals. Eligible participants will be randomly assigned to receive either hydromorphone HCl once daily or oxycodone HCl twice daily (placebo will be administered when necessary for blinding). During titration phase, dosage of hydromorphone HCl or oxycodone HCl will be adjusted upward or downward to achieve stable pain control. It can be from 2 days to 8 days. Participants who complete dose titration will enter into the dose maintenance phase and will receive study treatment for 28 consecutive days. Morphine hydrochloride will be given as rescue analgesic (drug used to control pain) medication for breakthrough pain during the study. Primarily efficacy will be evaluated by measuring change in the score of Brief Pain Inventory (BPI) questionnaire item 'worst pain' at end of maintenance period. Participants' safety will be monitored throughout the study.

An Efficacy and Safety Study of Oral Osmotic Therapeutic System (OROS) Hydromorphone Hydrochloride (HCl) in Participants With Cancer Related Pain

A Randomized, Double-Blind, Active Controlled, Multi-center Study to Investigate the Safety and Efficacy of OROS Hydromorphone HCl Once-daily Compared With Oxycodone HCL Controlled-release Twice Daily in Subjects With Cancer Pain

The BPI is questionnaire for evaluating the degree of pain severity and the impact of pain in performing daily routines. Change in worst pain in the past 24 hours in BPI score was reported. The total score ranges from 0 to 10, wherein 0 indicates no pain and 10 indicates pain as bad as participants could imagine.

The BPI is questionnaire for evaluating the degree of pain severity and the impact of pain in performing daily routines. Change in pain at its least, in the past 24 hours in BPI score was reported. The total score ranges from 0 to 10, wherein 0 indicates no pain and 10 indicates pain as bad as participants could imagine.

The BPI is questionnaire for evaluating the degree of pain severity and the impact of pain in performing daily routines. Change in average pain in the past 24 hours, in BPI score was reported. The score ranges from 0 to 10 wherein, 0 indicates no pain and 10 indicates pain as bad as participants could imagine.

The BPI is questionnaire for evaluating the degree of pain severity and the impact of pain in performing daily routines. Change in Pain Right now in BPI was reported. The score ranges from 0=no pain to 10=pain as bad as participants could imagine.

The BPI is questionnaire for evaluating the degree of pain severity and the impact of pain in performing daily routines. BPI comprises of total 9 items in total, and the 8th item consisting of 7 sub-items is a question asking the degree of disturbance due to pain. The score ranges from 0% to 100%, wherein 0% indicates no relief and 100% indicates complete relief.

Any breakthrough pain medication taken during the overall study was reported. Morphine hydrochloride was used as a rescue medication in case of breakthrough pain.

Johnson & Johnson Pharmaceutical Research & Development, L.L.C.

Safety set population included all the paricipants with at least 1 dose of study medication administered during the titration phase and at least one assessment of safety data.

Osmotic Release Oral System (OROS) hydromorphone HCl was administered in dose of 8, 16, 24, and 32 milligram (mg), once daily for 2 to 8 days of titration phase and 28 days of maintenance phase. Starting dose was based on participant's previous daily opioid dose.

Hydromorphone Hydrochloride (HCl)

Oxycodone HCl was administered in dose of 10, 20, 30, and 40 mg, twice daily for 2 to 8 days of titration phase and 28 days of maintenance phase. Starting dose was based on participant's previous daily opioid dose.

Oxycodone HCl Controlled Release (CR)

Total

Age, Continuous

Sex: Female, Male

Full analysis set (FAS) population set included all the participants who were randomly assigned either of the 2 treatment groups and with at least 1 dose of medication administered during the titration phase and at least one assessment of efficacy.

Director, Established Products

Baseline

Change at Day 29

Per protocol set (PPS) included all randomly assigned participants who had completed all efficacy evaluations, and participants who prematurely discontinued the study due to lack of efficacy were also included. Redefined last observation carried forward (LOCF) was applied. Redefined LOCF is LOCF prior to over dose rescue medication.

Change From Baseline in Worst Pain in the Past 24 Hours Assessed by Brief Pain Inventory (BPI) Short Form Questionnaire Score at Day 29

The PPS included all randomly assigned participants who had completed all efficacy evaluations, have good compliance to the protocol without major protocol violations specified and who prematurely discontinued the study due to lack of efficacy were also included. Redefined LOCF was applied.

Change From Baseline in Pain at Its Least, in the Past 24 Hours Assessed by BPI Short Form Questionnaire Score at Day 29

Change From Baseline in Average Pain, in the Past 24 Hours Assessed by BPI Short Form Questionnaire Score at Day 29

Change From Baseline in Pain Right Now Assessed by BPI Short Form Questionnaire Score at Day 29

Change From Baseline in Pain Relief, in the Past 24 Hour Recorded Assessed by BPI Short Form Questionnaire at Day 29

The PPS included all randomly assigned participants who had completed all efficacy evaluations, have good compliance to the protocol without major protocol violations specified and who prematurely discontinued the study due to lack of efficacy. Redefined LOCF was applied. Here 'N' =number of participants who were evaluated for this outcome measure.

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