Skip to content

Study of Embeda (Kadian NT, ALO-01) in Subjects With Chronic Moderate to Severe Nonmalignant Pain

A Long-Term, Open-Label Safety Study of ALO-01 (Morphine Sulfate Plus Naltrexone Hydrochloride Extended-Release) Capsules in Subjects With Chronic Moderate to Severe Nonmalignant Pain

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00415597
Enrollment
467
Registered
2006-12-25
Start date
2006-12-31
Completion date
2008-03-31
Last updated
2013-09-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pain

Keywords

chronic pain, joint pain, back pain, diabetic peripheral neuropathy, post herpetic neuralgia, ALO-01, Embeda, Chronic Non-Malignant Pain

Brief summary

Open-Label, Safety Study to evaluate the long-term safety of Kadian NT (ALO-01) administered for up to 12 months.

Interventions

DRUGALO-01 (Morphine Sulfate Plus Naltrexone Hydrochloride ER)

capsules, available dosage strengths 20, 30, 40, 50, 60, 80, and 100 mg morphine sulfate with 4% by weight naltrexone hydrochloride given once or twice daily

Sponsors

Pfizer
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

* Subject 18-70 years of age * Subject agrees to refrain from taking any opioid medications other than study medication during study period. * History of chronic moderate to severe pain caused by a nonmalignant condition for at least 3 months prior to baseline

Exclusion criteria

* Subject has a documented history of allergic reaction or clinically significant intolerance to morphine or other opioids, such that treatment with morphine is contraindicated. * Subject is pregnant or breast-feeding. * Subject is receiving chemotherapy, or has an active malignancy of any type or has been diagnosed with cancer within the past three years (excluding squamous or basal cell carcinoma of the skin). * Subject has a documented history of drug abuse/dependence/misuse or narcotic analgesic abuse/dependence/misuse within five years prior to the Baseline Visit. * Subject has a Body Mass Index (BMI)\>45kg/m2.

Design outcomes

Primary

MeasureTime frameDescription
Subjects With Treatment Emergent Adverse Eventsup to 12 monthsNumber of subjects with adverse events (any unfavorable and unintended sign, symptom, or disease temporally associated with the use of the product whether or not related to the product).

Secondary

MeasureTime frameDescription
Mean Percent Change From Baseline to 12 Weeks in Brief Pain Inventory Score (BPI) of Average Pain12 weeksPercent change in pain intensity scale. Average pain intensity over last 24 hours rated at each visit from 0=no pain to 10=worst pain.
Mean Percent Change From Baseline to 52 Weeks in Brief Pain Inventory Score (BPI) of Average Pain52 weeksPercent change in pain intensity scale. Average pain intensity over last 24 hours rated at each visit from 0=no pain to 10=worst pain.

Countries

United States

Participant flow

Participants by arm

ArmCount
ALO-01465
Total465

Withdrawals & dropouts

PeriodReasonFG000
EnrollmentProtocol Violation1
EnrollmentWithdrawal by Subject1
TreatmentAdministrative3
TreatmentAdverse Event110
TreatmentDrug Screen2
TreatmentLack of Efficacy39
TreatmentLost to Follow-up28
TreatmentMultiple Reasons1
TreatmentPhysician Decision3
TreatmentProtocol Violation67
TreatmentSponsor Decision1
TreatmentWithdrawal by Subject51

Baseline characteristics

CharacteristicALO-01
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
48 Participants
Age, Categorical
Between 18 and 65 years
417 Participants
Age Continuous51.7 years
STANDARD_DEVIATION 10.56
Brief Pain Inventory (BPI) Average Pain6.0 Units on scale
STANDARD_DEVIATION 1.67
Sex: Female, Male
Female
245 Participants
Sex: Female, Male
Male
220 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
265 / 465
serious
Total, serious adverse events
33 / 465

Outcome results

Primary

Subjects With Treatment Emergent Adverse Events

Number of subjects with adverse events (any unfavorable and unintended sign, symptom, or disease temporally associated with the use of the product whether or not related to the product).

Time frame: up to 12 months

Population: Patients treated with study drug

ArmMeasureValue (NUMBER)
ALO-01Subjects With Treatment Emergent Adverse Events378 participants
Secondary

Mean Percent Change From Baseline to 12 Weeks in Brief Pain Inventory Score (BPI) of Average Pain

Percent change in pain intensity scale. Average pain intensity over last 24 hours rated at each visit from 0=no pain to 10=worst pain.

Time frame: 12 weeks

Population: Patients with data at Week 12

ArmMeasureValue (MEAN)Dispersion
ALO-01Mean Percent Change From Baseline to 12 Weeks in Brief Pain Inventory Score (BPI) of Average Pain-31.3 Percent changeStandard Deviation 37.44
Comparison: Null hypothesis: Percent change from baseline = 0p-value: <0.0001t-test, 2 sided
Secondary

Mean Percent Change From Baseline to 52 Weeks in Brief Pain Inventory Score (BPI) of Average Pain

Percent change in pain intensity scale. Average pain intensity over last 24 hours rated at each visit from 0=no pain to 10=worst pain.

Time frame: 52 weeks

Population: Patients with data at Week 52

ArmMeasureValue (MEAN)Dispersion
ALO-01Mean Percent Change From Baseline to 52 Weeks in Brief Pain Inventory Score (BPI) of Average Pain-41.5 Percent changeStandard Deviation 39.28
Comparison: Null hypothesis: Percent change from baseline = 0p-value: <0.0001t-test, 2 sided

Source: ClinicalTrials.gov · Data processed: Mar 14, 2026