Trial Outcomes & Findings for Safety and Efficacy Study of Xyrem® (Sodium Oxybate) in Subjects With Fibromyalgia. (NCT NCT00423605)

NCT ID: NCT00423605

Last Updated: 2012-03-30

Results Overview

Number of subjects reporting adverse events.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

560 participants

Primary outcome timeframe

Treatment Period (38 weeks)

Results posted on

2012-03-30

Participant Flow

Participant milestones

Participant milestones
Measure
Xyrem 4.5 g to 9.0 g
Xyrem 4.5 g, 6.0 g, 7.5 g, and 9.0 g per night administered orally in two equally divided doses
Overall Study
STARTED
560
Overall Study
COMPLETED
319
Overall Study
NOT COMPLETED
241

Reasons for withdrawal

Reasons for withdrawal
Measure
Xyrem 4.5 g to 9.0 g
Xyrem 4.5 g, 6.0 g, 7.5 g, and 9.0 g per night administered orally in two equally divided doses
Overall Study
Adverse Event
129
Overall Study
Withdrawal by Subject
36
Overall Study
Lost to Follow-up
15
Overall Study
Lack of Efficacy
38
Overall Study
Sponsor Decision
3
Overall Study
Physician Decision
8
Overall Study
Protocol Violation
7
Overall Study
Not one of the pre-specified options
5

Baseline Characteristics

Safety and Efficacy Study of Xyrem® (Sodium Oxybate) in Subjects With Fibromyalgia.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Xyrem 4.5 g to 9.0 g
n=560 Participants
Xyrem 4.5 g, 6.0 g, 7.5 g, and 9.0 g per night administered orally in two equally divided doses
Age Continuous
46.9 years
STANDARD_DEVIATION 10.84 • n=5 Participants
Age, Customized
18 - 39 years
144 participants
n=5 Participants
Age, Customized
40 - 49 years
181 participants
n=5 Participants
Age, Customized
50 - 64 years
212 participants
n=5 Participants
Age, Customized
>=65 years
23 participants
n=5 Participants
Sex: Female, Male
Female
510 Participants
n=5 Participants
Sex: Female, Male
Male
50 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
5 Participants
n=5 Participants
Race (NIH/OMB)
Asian
6 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
34 Participants
n=5 Participants
Race (NIH/OMB)
White
512 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
2 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
Region of Enrollment
France
13 participants
n=5 Participants
Region of Enrollment
United States
465 participants
n=5 Participants
Region of Enrollment
Spain
35 participants
n=5 Participants
Region of Enrollment
Netherlands
2 participants
n=5 Participants
Region of Enrollment
Germany
34 participants
n=5 Participants
Region of Enrollment
Italy
3 participants
n=5 Participants
Region of Enrollment
United Kingdom
8 participants
n=5 Participants

PRIMARY outcome

Timeframe: Treatment Period (38 weeks)

Number of subjects reporting adverse events.

Outcome measures

Outcome measures
Measure
Xyrem 4.5 g to 9.0 g
n=560 Participants
Xyrem 4.5 g, 6.0 g, 7.5 g, and 9.0 g per night administered orally in two equally divided doses
Number of Subjects Reporting Adverse Events
498 Participants

Adverse Events

Xyrem 4.5 g to 9.0 g

Serious events: 19 serious events
Other events: 498 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Xyrem 4.5 g to 9.0 g
n=560 participants at risk
Xyrem 4.5 g, 6.0 g, 7.5 g, and 9.0 g per night administered orally in two equally divided doses
Cardiac disorders
Atrial Fibrillation
0.18%
1/560 • Number of events 1 • 38 weeks
Gastrointestinal disorders
Abdominal Pain
0.18%
1/560 • Number of events 1 • 38 weeks
Gastrointestinal disorders
Abdominal Pain Upper
0.18%
1/560 • Number of events 1 • 38 weeks
Gastrointestinal disorders
Gastrointestinal Hypomotility
0.18%
1/560 • Number of events 1 • 38 weeks
General disorders
Chest Pain
0.36%
2/560 • Number of events 2 • 38 weeks
Hepatobiliary disorders
Cholelithiasis
0.36%
2/560 • Number of events 2 • 38 weeks
Hepatobiliary disorders
Cholecystitis Acute
0.18%
1/560 • Number of events 1 • 38 weeks
Hepatobiliary disorders
Cholecystitis Chronic
0.18%
1/560 • Number of events 1 • 38 weeks
Infections and infestations
Clostridium Difficile Colitis
0.18%
1/560 • Number of events 1 • 38 weeks
Infections and infestations
Diverticulitis
0.18%
1/560 • Number of events 1 • 38 weeks
Infections and infestations
Staphylococcal Sepsis
0.18%
1/560 • Number of events 1 • 38 weeks
Injury, poisoning and procedural complications
Accident
0.18%
1/560 • Number of events 1 • 38 weeks
Injury, poisoning and procedural complications
Accidental Overdose
0.18%
1/560 • Number of events 1 • 38 weeks
Injury, poisoning and procedural complications
Limb Injury
0.18%
1/560 • Number of events 1 • 38 weeks
Musculoskeletal and connective tissue disorders
Cervical Spinal Stenosis
0.18%
1/560 • Number of events 1 • 38 weeks
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Breast Cancer in Situ
0.18%
1/560 • Number of events 1 • 38 weeks
Nervous system disorders
Encephalopathy
0.18%
1/560 • Number of events 1 • 38 weeks
Psychiatric disorders
Mental Disorder
0.18%
1/560 • Number of events 1 • 38 weeks
Reproductive system and breast disorders
Endometriosis
0.18%
1/560 • Number of events 1 • 38 weeks
Reproductive system and breast disorders
Ovarian Cyst
0.18%
1/560 • Number of events 1 • 38 weeks
Respiratory, thoracic and mediastinal disorders
Chronic Obstructive Pulmonary Disease
0.18%
1/560 • Number of events 1 • 38 weeks
Vascular disorders
Arteriosclerosis
0.18%
1/560 • Number of events 1 • 38 weeks

Other adverse events

Other adverse events
Measure
Xyrem 4.5 g to 9.0 g
n=560 participants at risk
Xyrem 4.5 g, 6.0 g, 7.5 g, and 9.0 g per night administered orally in two equally divided doses
Ear and labyrinth disorders
Vertigo
2.1%
12/560 • 38 weeks
Eye disorders
Vision Blurred
3.2%
18/560 • 38 weeks
Gastrointestinal disorders
Nausea
20.0%
112/560 • 38 weeks
Gastrointestinal disorders
Vomiting
9.3%
52/560 • 38 weeks
Gastrointestinal disorders
Abdominal Pain Upper
2.7%
15/560 • 38 weeks
General disorders
Fatigue
4.3%
24/560 • 38 weeks
General disorders
Pyrexia
2.5%
14/560 • 38 weeks
Gastrointestinal disorders
Diarrhoea
8.8%
49/560 • 38 weeks
General disorders
Oedema Peripheral
2.3%
13/560 • 38 weeks
General disorders
Pain
2.1%
12/560 • 38 weeks
Infections and infestations
Nasopharyngitis
10.2%
57/560 • 38 weeks
Infections and infestations
Sinusitis
8.9%
50/560 • 38 weeks
Infections and infestations
Influenza
6.6%
37/560 • 38 weeks
Infections and infestations
Upper Respiratory Tract Infection
6.1%
34/560 • 38 weeks
Infections and infestations
Urinary Tract Infection
3.9%
22/560 • 38 weeks
Infections and infestations
Bronchitis
3.2%
18/560 • 38 weeks
Infections and infestations
Gastroenteritis Viral
2.9%
16/560 • 38 weeks
Injury, poisoning and procedural complications
Fall
3.6%
20/560 • 38 weeks
Injury, poisoning and procedural complications
Contusion
2.1%
12/560 • 38 weeks
Investigations
Weight Decreased
3.8%
21/560 • 38 weeks
Metabolism and nutrition disorders
Anorexia
2.9%
16/560 • 38 weeks
Metabolism and nutrition disorders
Decreased Appetite
2.3%
13/560 • 38 weeks
Musculoskeletal and connective tissue disorders
Muscle Spasms
5.2%
29/560 • 38 weeks
Musculoskeletal and connective tissue disorders
Arthralgia
3.8%
21/560 • 38 weeks
Musculoskeletal and connective tissue disorders
Pain in Extremity
3.6%
20/560 • 38 weeks
Musculoskeletal and connective tissue disorders
Back Pain
3.2%
18/560 • 38 weeks
Nervous system disorders
Headache
18.9%
106/560 • 38 weeks
Nervous system disorders
Dizziness
12.9%
72/560 • 38 weeks
Nervous system disorders
Somnolence
6.1%
34/560 • 38 weeks
Nervous system disorders
Tremor
3.6%
20/560 • 38 weeks
Nervous system disorders
Paraesthesia
3.2%
18/560 • 38 weeks
Nervous system disorders
Migraine
2.1%
12/560 • 38 weeks
Psychiatric disorders
Anxiety
7.9%
44/560 • 38 weeks
Psychiatric disorders
Insomnia
6.8%
38/560 • 38 weeks
Psychiatric disorders
Depression
4.3%
24/560 • 38 weeks
Respiratory, thoracic and mediastinal disorders
Dyspnoea
3.2%
18/560 • 38 weeks
Respiratory, thoracic and mediastinal disorders
Pharyngolaryngeal Pain
3.2%
18/560 • 38 weeks
Respiratory, thoracic and mediastinal disorders
Nasal Congestion
3.0%
17/560 • 38 weeks
Respiratory, thoracic and mediastinal disorders
Cough
2.9%
16/560 • 38 weeks
Skin and subcutaneous tissue disorders
Hyperhidrosis
2.7%
15/560 • 38 weeks
Skin and subcutaneous tissue disorders
Pruritus
2.3%
13/560 • 38 weeks
Vascular disorders
Hypertension
3.0%
17/560 • 38 weeks

Additional Information

Grace Wang, MD, Director Clinical Development & Medical Monitor

Jazz Pharmaceuticals, Inc.

Phone: 650-496-3777

Results disclosure agreements

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

Restriction type: OTHER