Trial Outcomes & Findings for To Determine the Fasting Bioequivalence of Reformulated OXY Tablets and Original OxyContin® (OXY) Tablets (NCT NCT01101165)

NCT ID: NCT01101165

Last Updated: 2010-05-11

Results Overview

Bioequivalence based on Cmax

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

92 participants

Primary outcome timeframe

Blood samples collected over 72-hour period

Results posted on

2010-05-11

Participant Flow

05-Feb-2007 (first Informed Consent Form signed) to 06-Apr-2007 (last subject follow-up) at 1 site in the US (Evansville, IN).

225 subjects screened; 119 screen failures; 92 randomized and dosed; 12 discontinued and received study drug; 13 discontinued but did not receive study drug; 80 completed.

Participant milestones

Participant milestones
Measure
Reformulated OXY (Test) First
Reformulated OXY 40-mg tablet (test) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion. A minimum washout period of at least 6 days separated dose administrations. Subjects in this sequence received Reformulated OXY (Test) in period 1 and Original OxyContin(OXY)(Reference) in period 2.
Original OxyContin® (OXY) (Reference) First
Original OxyContin® (OXY) 40-mg tablet (reference) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion. A minimum washout period of at least 6 days separated dose administrations. Subjects in this sequence received Original OxyContin(OXY)(Reference)in period 1 and Reformulated OXY (Test) in period 2.
Period 1
STARTED
47
45
Period 1
COMPLETED
45
40
Period 1
NOT COMPLETED
2
5
Period 2
STARTED
45
40
Period 2
COMPLETED
41
39
Period 2
NOT COMPLETED
4
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Reformulated OXY (Test) First
Reformulated OXY 40-mg tablet (test) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion. A minimum washout period of at least 6 days separated dose administrations. Subjects in this sequence received Reformulated OXY (Test) in period 1 and Original OxyContin(OXY)(Reference) in period 2.
Original OxyContin® (OXY) (Reference) First
Original OxyContin® (OXY) 40-mg tablet (reference) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion. A minimum washout period of at least 6 days separated dose administrations. Subjects in this sequence received Original OxyContin(OXY)(Reference)in period 1 and Reformulated OXY (Test) in period 2.
Period 1
Adverse Event
1
2
Period 1
Withdrawal by Subject
0
2
Period 1
Positive Drug Screen
0
1
Period 1
Lost to Follow-up
1
0
Period 2
Withdrawal by Subject
3
1
Period 2
Adverse Event
1
0

Baseline Characteristics

To Determine the Fasting Bioequivalence of Reformulated OXY Tablets and Original OxyContin® (OXY) Tablets

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Randomized Safety Population
n=92 Participants
Subjects who were randomized, received study drug, and had at least 1 postdose safety assessment.
Age Continuous
31 years
STANDARD_DEVIATION 9.0 • n=5 Participants
Sex: Female, Male
Female
31 Participants
n=5 Participants
Sex: Female, Male
Male
61 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Blood samples collected over 72-hour period

Population: Full Analysis Population for PK Metrics. Data from all subjects who were randomized, received study drug, and had at least 1 valid PK metric variable were included in the statistical analysis. Subjects who experienced emesis within 12 hours after dosing were excluded from PK analysis.

Bioequivalence based on Cmax

Outcome measures

Outcome measures
Measure
Reformulated OXY (Test)
n=85 Participants
Reformulated OXY 40-mg tablet (test) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion.
Original OxyContin® (OXY) (Reference)
n=83 Participants
Original OxyContin® (OXY) 40-mg tablet (reference) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion.
Cmax - Maximum Observed Plasma Concentration
47.4 ng/mL
Standard Deviation 12.9
48.4 ng/mL
Standard Deviation 10.9

PRIMARY outcome

Timeframe: Blood samples collected over 72-hour period

Population: Full Analysis Population for PK Metrics. Data from all subjects who were randomized, received study drug, and had at least 1 valid PK metric variable were included in the statistical analysis. Subjects who experienced emesis within 12 hours after dosing were excluded from PK analysis. Note:One subject in Period 2 was excluded from this PK analysis.

Bioequivalence based on AUC0-inf

Outcome measures

Outcome measures
Measure
Reformulated OXY (Test)
n=85 Participants
Reformulated OXY 40-mg tablet (test) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion.
Original OxyContin® (OXY) (Reference)
n=82 Participants
Original OxyContin® (OXY) 40-mg tablet (reference) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion.
AUC0-inf - Area Under the Plasma Concentration-time Curve From Time Zero to Infinity (Extrapolated)
454 ng*h/mL
Standard Deviation 116
480 ng*h/mL
Standard Deviation 120

PRIMARY outcome

Timeframe: Blood samples collected over 72-hour period

Population: Full Analysis Population for PK Metrics. Data from all subjects who were randomized, received study drug, and had at least 1 valid PK metric variable were included in the statistical analysis. Subjects who experienced emesis within 12 hours after dosing were excluded from PK analysis. Note:One subject in period 2 was excluded from this PK analysis.

Bioequivalence based on AUC0-t

Outcome measures

Outcome measures
Measure
Reformulated OXY (Test)
n=85 Participants
Reformulated OXY 40-mg tablet (test) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion.
Original OxyContin® (OXY) (Reference)
n=82 Participants
Original OxyContin® (OXY) 40-mg tablet (reference) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion.
AUC0-t - Area Under Plasma Concentration-time Curve From Time Zero to Time of Last Non-zero Plasma Concentration
453 ng*h/mL
Standard Deviation 116
477 ng*h/mL
Standard Deviation 119

Adverse Events

Reformulated OXY (Test)

Serious events: 1 serious events
Other events: 30 other events
Deaths: 0 deaths

Original OxyContin® (OXY) (Reference)

Serious events: 0 serious events
Other events: 32 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Reformulated OXY (Test)
n=87 participants at risk
Reformulated OXY 40-mg tablet (test) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion.
Original OxyContin® (OXY) (Reference)
n=90 participants at risk
Original OxyContin® (OXY) 40-mg tablet (reference) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion.
Social circumstances
Substance abuse (positive for cotinine and amphetamines)
1.1%
1/87 • Number of events 1 • Ongoing AEs-followed until resolution/30 days after last dose;AEs reported during 7 days following last dose were recorded & followed until resolution,or up to 30 days after last dose.All SAEs were followed until resolution or event/sequelae stabilized.
AEs were learned of through spontaneous reports, subject interview, or subject diaries.
0.00%
0/90 • Ongoing AEs-followed until resolution/30 days after last dose;AEs reported during 7 days following last dose were recorded & followed until resolution,or up to 30 days after last dose.All SAEs were followed until resolution or event/sequelae stabilized.
AEs were learned of through spontaneous reports, subject interview, or subject diaries.

Other adverse events

Other adverse events
Measure
Reformulated OXY (Test)
n=87 participants at risk
Reformulated OXY 40-mg tablet (test) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion.
Original OxyContin® (OXY) (Reference)
n=90 participants at risk
Original OxyContin® (OXY) 40-mg tablet (reference) fasted, dose administered in a two-period, two-sequence, single-dose, two-way crossover fashion.
Gastrointestinal disorders
Nausea
9.2%
8/87 • Number of events 8 • Ongoing AEs-followed until resolution/30 days after last dose;AEs reported during 7 days following last dose were recorded & followed until resolution,or up to 30 days after last dose.All SAEs were followed until resolution or event/sequelae stabilized.
AEs were learned of through spontaneous reports, subject interview, or subject diaries.
7.8%
7/90 • Number of events 10 • Ongoing AEs-followed until resolution/30 days after last dose;AEs reported during 7 days following last dose were recorded & followed until resolution,or up to 30 days after last dose.All SAEs were followed until resolution or event/sequelae stabilized.
AEs were learned of through spontaneous reports, subject interview, or subject diaries.
Gastrointestinal disorders
Vomiting
3.4%
3/87 • Number of events 3 • Ongoing AEs-followed until resolution/30 days after last dose;AEs reported during 7 days following last dose were recorded & followed until resolution,or up to 30 days after last dose.All SAEs were followed until resolution or event/sequelae stabilized.
AEs were learned of through spontaneous reports, subject interview, or subject diaries.
7.8%
7/90 • Number of events 7 • Ongoing AEs-followed until resolution/30 days after last dose;AEs reported during 7 days following last dose were recorded & followed until resolution,or up to 30 days after last dose.All SAEs were followed until resolution or event/sequelae stabilized.
AEs were learned of through spontaneous reports, subject interview, or subject diaries.
General disorders
Fatigue
12.6%
11/87 • Number of events 11 • Ongoing AEs-followed until resolution/30 days after last dose;AEs reported during 7 days following last dose were recorded & followed until resolution,or up to 30 days after last dose.All SAEs were followed until resolution or event/sequelae stabilized.
AEs were learned of through spontaneous reports, subject interview, or subject diaries.
7.8%
7/90 • Number of events 7 • Ongoing AEs-followed until resolution/30 days after last dose;AEs reported during 7 days following last dose were recorded & followed until resolution,or up to 30 days after last dose.All SAEs were followed until resolution or event/sequelae stabilized.
AEs were learned of through spontaneous reports, subject interview, or subject diaries.
Nervous system disorders
Headache
9.2%
8/87 • Number of events 9 • Ongoing AEs-followed until resolution/30 days after last dose;AEs reported during 7 days following last dose were recorded & followed until resolution,or up to 30 days after last dose.All SAEs were followed until resolution or event/sequelae stabilized.
AEs were learned of through spontaneous reports, subject interview, or subject diaries.
12.2%
11/90 • Number of events 13 • Ongoing AEs-followed until resolution/30 days after last dose;AEs reported during 7 days following last dose were recorded & followed until resolution,or up to 30 days after last dose.All SAEs were followed until resolution or event/sequelae stabilized.
AEs were learned of through spontaneous reports, subject interview, or subject diaries.

Additional Information

Stephen Harris, MD

Purdue Pharma L.P.

Phone: 203-588-7592

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: GT60