Trial Outcomes & Findings for Safety and Tolerability of OXC XR as Adjunctive Therapy in Subjects With Refractory Partial Epilepsy (NCT NCT00908349)

NCT ID: NCT00908349

Last Updated: 2017-05-31

Results Overview

Measured as change from baseline to end of study

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

214 participants

Primary outcome timeframe

one year

Results posted on

2017-05-31

Participant Flow

Participant milestones

Participant milestones
Measure
Oxcarbazepine XR
Oxcarbazepine XR: Open Label Study 600mg to 2400mg of SPN-804O once daily.
Overall Study
STARTED
214
Overall Study
COMPLETED
179
Overall Study
NOT COMPLETED
35

Reasons for withdrawal

Reasons for withdrawal
Measure
Oxcarbazepine XR
Oxcarbazepine XR: Open Label Study 600mg to 2400mg of SPN-804O once daily.
Overall Study
Adverse Event
10
Overall Study
Withdrawal by Subject
9
Overall Study
Physician Decision
5
Overall Study
Lost to Follow-up
5
Overall Study
Various
6

Baseline Characteristics

Safety and Tolerability of OXC XR as Adjunctive Therapy in Subjects With Refractory Partial Epilepsy

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Oxcarbazepine XR
n=214 Participants
Open Label Study Oxcarbazepine XR: Open Label Study
Age, Continuous
37.4 Years
n=5 Participants
Sex: Female, Male
Female
111 Participants
n=5 Participants
Sex: Female, Male
Male
103 Participants
n=5 Participants
Region of Enrollment
United States
43 participants
n=5 Participants
Region of Enrollment
Mexico
30 participants
n=5 Participants
Region of Enrollment
Canada
2 participants
n=5 Participants
Region of Enrollment
Poland
31 participants
n=5 Participants
Region of Enrollment
Romania
12 participants
n=5 Participants
Region of Enrollment
Croatia
6 participants
n=5 Participants
Region of Enrollment
Russian Federation
64 participants
n=5 Participants
Region of Enrollment
Bulgaria
26 participants
n=5 Participants

PRIMARY outcome

Timeframe: one year

Measured as change from baseline to end of study

Outcome measures

Outcome measures
Measure
Oxcarbazepine XR
n=214 Participants
Oxcarbazepine XR: Open Label Study 600mg to 2400mg of SPN-804O once daily.
Percent Change in Seizure Rate
-26.3 percentage of change in seizure rate
Interval -100.0 to 344.7

Adverse Events

Oxcarbazepine XR

Serious events: 18 serious events
Other events: 124 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Oxcarbazepine XR
n=214 participants at risk
Oxcarbazepine XR: Open Label Study 600mg to 2400mg of SPN-804O once daily.
General disorders
Hypothermia
0.47%
1/214 • Number of events 1
Injury, poisoning and procedural complications
Spinal Fracture
0.47%
1/214 • Number of events 1
Nervous system disorders
Ataxia
0.47%
1/214 • Number of events 1
Nervous system disorders
Transient Ischaemic Attack
0.47%
1/214 • Number of events 1
Nervous system disorders
Dizziness
0.47%
1/214 • Number of events 1
Nervous system disorders
Convulsion
0.47%
1/214 • Number of events 1
Investigations
Prostatic Specific Antigen Increased
0.47%
1/214 • Number of events 1
Renal and urinary disorders
Nephrolithiasis
0.47%
1/214 • Number of events 1
Nervous system disorders
Grand Mal Convulsion
0.93%
2/214 • Number of events 2
General disorders
Non-Cardiac Chest Pain
0.93%
2/214 • Number of events 2
Nervous system disorders
Epilepsy
0.93%
2/214 • Number of events 2
Psychiatric disorders
Suicidal Behaviour
0.47%
1/214 • Number of events 1
Nervous system disorders
Encephalopathy
0.47%
1/214 • Number of events 1
Infections and infestations
Pyelonephritis Acute
0.47%
1/214 • Number of events 1
Vascular disorders
Thrombosis
0.47%
1/214 • Number of events 1

Other adverse events

Other adverse events
Measure
Oxcarbazepine XR
n=214 participants at risk
Oxcarbazepine XR: Open Label Study 600mg to 2400mg of SPN-804O once daily.
Nervous system disorders
Dizziness
15.4%
33/214
Nervous system disorders
Headache
11.2%
24/214
Eye disorders
Diplopia
9.3%
20/214
Gastrointestinal disorders
Nausea
7.5%
16/214
Gastrointestinal disorders
Vomiting
6.1%
13/214
Nervous system disorders
Somnolence
5.6%
12/214
Nervous system disorders
Balance Disorder
4.7%
10/214
Respiratory, thoracic and mediastinal disorders
Upper respiratory tract infection
4.7%
10/214

Additional Information

Janet K. Johnson, PhD

Supernus Pharmaceuticals, Inc

Phone: 301-838-2623

Results disclosure agreements

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

Restriction type: OTHER