Trial Outcomes & Findings for A Study of VI-0521 for the Treatment of Obstructive Sleep Apnea / Hypopnea Syndrome in Obese Adults (NCT NCT00745251)

NCT ID: NCT00745251

Last Updated: 2012-10-05

Results Overview

AHI is calculated as the mean number of apnea or hypopnea episodes (each lasting a minimum of 10 second) observed per hour of sleep

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

45 participants

Primary outcome timeframe

between baseline and Week 28

Results posted on

2012-10-05

Participant Flow

Subject recruitment occurred in 1 investigative site in the U.S. between August 2008 to February 2009

Participant milestones

Participant milestones
Measure
Placebo
Top Dose
PHEN/TPM 15mg/92mg
Overall Study
STARTED
23
22
Overall Study
COMPLETED
21
19
Overall Study
NOT COMPLETED
2
3

Reasons for withdrawal

Reasons for withdrawal
Measure
Placebo
Top Dose
PHEN/TPM 15mg/92mg
Overall Study
Adverse Event
1
2
Overall Study
Withdrawal by Subject
1
1

Baseline Characteristics

A Study of VI-0521 for the Treatment of Obstructive Sleep Apnea / Hypopnea Syndrome in Obese Adults

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Placebo
n=23 Participants
Top Dose
n=22 Participants
PHEN/TPM 15mg/92mg
Total
n=45 Participants
Total of all reporting groups
Age Continuous
51.4 years
STANDARD_DEVIATION 5.74 • n=5 Participants
53.4 years
STANDARD_DEVIATION 6.95 • n=7 Participants
52.4 years
STANDARD_DEVIATION 6.37 • n=5 Participants
Sex: Female, Male
Female
8 Participants
n=5 Participants
13 Participants
n=7 Participants
21 Participants
n=5 Participants
Sex: Female, Male
Male
15 Participants
n=5 Participants
9 Participants
n=7 Participants
24 Participants
n=5 Participants
Region of Enrollment
United States
23 participants
n=5 Participants
22 participants
n=7 Participants
45 participants
n=5 Participants

PRIMARY outcome

Timeframe: between baseline and Week 28

Population: Intent-to-treat Last-observation-carried-forward (ITT-LOCF)

AHI is calculated as the mean number of apnea or hypopnea episodes (each lasting a minimum of 10 second) observed per hour of sleep

Outcome measures

Outcome measures
Measure
Placebo
n=23 Participants
Top Dose
n=22 Participants
PHEN/TPM 15mg/92mg
Change in the Apnea/Hypopnea Index (AHI) Between Baseline and Week 28/Early Term.
-16.6 events/hour
Standard Error 4.15
-31.46 events/hour
Standard Error 4.25

SECONDARY outcome

Timeframe: baseline to week 28

Population: Intent-to-treat Last-observation-carried-forward (ITT-LOCF)

Outcome measures

Outcome measures
Measure
Placebo
n=23 Participants
Top Dose
n=22 Participants
PHEN/TPM 15mg/92mg
Percent Change in Weight From Baseline to Week 28
-10.26 percent change
Standard Error 1.17
-4.21 percent change
Standard Error 1.15

Adverse Events

Placebo

Serious events: 1 serious events
Other events: 17 other events
Deaths: 0 deaths

Top Dose

Serious events: 0 serious events
Other events: 20 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Placebo
n=23 participants at risk
Top Dose
n=22 participants at risk
PHEN/TPM 15mg/92mg
Nervous system disorders
cerebrovascular accident
4.3%
1/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
0.00%
0/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.

Other adverse events

Other adverse events
Measure
Placebo
n=23 participants at risk
Top Dose
n=22 participants at risk
PHEN/TPM 15mg/92mg
Renal and urinary disorders
nocturia
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Renal and urinary disorders
urinary hesitation
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Reproductive system and breast disorders
perineal cyst
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Respiratory, thoracic and mediastinal disorders
allergic cough
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Respiratory, thoracic and mediastinal disorders
dry throat
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Respiratory, thoracic and mediastinal disorders
nasal congestion
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
9.1%
2/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Respiratory, thoracic and mediastinal disorders
paranasal sinus hypersecretion
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Respiratory, thoracic and mediastinal disorders
sinus congestion
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Skin and subcutaneous tissue disorders
rash
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Vascular disorders
flushing
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Ear and labyrinth disorders
tinnitus
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
9.1%
2/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Gastrointestinal disorders
constipation
8.7%
2/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
13.6%
3/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Gastrointestinal disorders
diarrhea
8.7%
2/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
13.6%
3/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Gastrointestinal disorders
dry mouth
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
50.0%
11/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Gastrointestinal disorders
nausea
4.3%
1/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
9.1%
2/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Nervous system disorders
disturbance in attention
4.3%
1/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
9.1%
2/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Nervous system disorders
dysgeusia
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
27.3%
6/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Nervous system disorders
headache
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
9.1%
2/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Nervous system disorders
hypoaesthesia
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
13.6%
3/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Nervous system disorders
parethesia
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
13.6%
3/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Nervous system disorders
somnolence
8.7%
2/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
General disorders
feeling jittery
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
9.1%
2/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Eye disorders
keratitis
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Eye disorders
vision blurred
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Gastrointestinal disorders
gastroesophageal reflux disease
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Gastrointestinal disorders
gingival bleeding
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Gastrointestinal disorders
gingival pain
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Gastrointestinal disorders
hematochezia
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Gastrointestinal disorders
hemorrhoids
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
General disorders
chest discomfort
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
General disorders
irritability
4.3%
1/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
General disorders
mucosal dryness
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Infections and infestations
gastroenteritis viral
17.4%
4/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
9.1%
2/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Infections and infestations
nasopharyngitis
4.3%
1/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
13.6%
3/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Infections and infestations
sinusitis
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
22.7%
5/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Infections and infestations
tonsillitis
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Infections and infestations
upper respiratory tract infection
4.3%
1/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
18.2%
4/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Infections and infestations
viral upper respiratory tract infection
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Injury, poisoning and procedural complications
hand fracture
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Injury, poisoning and procedural complications
procedural pain
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Metabolism and nutrition disorders
food craving
4.3%
1/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Musculoskeletal and connective tissue disorders
back pain
4.3%
1/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Musculoskeletal and connective tissue disorders
exostosis
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Musculoskeletal and connective tissue disorders
flank pain
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Nervous system disorders
amnesia
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Nervous system disorders
dizziness
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Nervous system disorders
parosmia
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Nervous system disorders
tremor
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Psychiatric disorders
agitation
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Psychiatric disorders
mood altered
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Psychiatric disorders
sleep disorder
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Psychiatric disorders
stress
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Renal and urinary disorders
dysuria
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
Renal and urinary disorders
nephrolithiasis
0.00%
0/23 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.
4.5%
1/22 • AEs were collected from when written informed consent was provided through 28 days after the last dose of investigational product.

Additional Information

Wesley W. Day, PhD

Vivus, Inc

Phone: 650-934-5200

Results disclosure agreements

  • Principal investigator is a sponsor employee After Sponsor's written notification that publication of results is no longer planned or 12 months after termination of the study at all sites, Institution \& PI may publish, upon written approval from Sponsor, results of the Study. Sponsor will be given the opportunity to review any proposed publication at least 60 days prior to submission for publication or disclosure. Upon Sponsor's written request, Institution and PI shall not publish or disclose information related to the Study.
  • Publication restrictions are in place

Restriction type: OTHER