Trial Outcomes & Findings for SWS And Daytime Functioning in Chronic FatiguE Syndrome (SAFFE) (NCT NCT02055898)

NCT ID: NCT02055898

Last Updated: 2020-11-18

Results Overview

Total power in 0.5-4Hz band in microvolts squared per Hertz (uV\^2/Hz)

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

13 participants

Primary outcome timeframe

night 1

Results posted on

2020-11-18

Participant Flow

Participant milestones

Participant milestones
Measure
Placebo Then Sodium Oxybate
7 patients with chronic fatigue syndrome
Sodium Oxybate Then Placebo
6 patients with chronic fatigue syndrome
First Intervention (5 Days)
STARTED
7
6
First Intervention (5 Days)
COMPLETED
5
5
First Intervention (5 Days)
NOT COMPLETED
2
1
Washout (at Least 14 Days)
STARTED
5
5
Washout (at Least 14 Days)
COMPLETED
5
5
Washout (at Least 14 Days)
NOT COMPLETED
0
0
Second Intervention (5 Days)
STARTED
5
5
Second Intervention (5 Days)
COMPLETED
5
5
Second Intervention (5 Days)
NOT COMPLETED
0
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Placebo Then Sodium Oxybate
7 patients with chronic fatigue syndrome
Sodium Oxybate Then Placebo
6 patients with chronic fatigue syndrome
First Intervention (5 Days)
Physician Decision
2
0
First Intervention (5 Days)
Withdrawal by Subject
0
1

Baseline Characteristics

SWS And Daytime Functioning in Chronic FatiguE Syndrome (SAFFE)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Placebo First Then Sodium Oxybate
n=7 Participants
7 Patients who meet criteria for CFS according to both the revised CDC (Fukuda 5) and Canadian diagnostic systems.
Sodium Oxybate First Then Placebo
n=6 Participants
6 Patients who meet criteria for CFS according to both the revised CDC (Fukuda 5) and Canadian diagnostic systems.
Total
n=13 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
7 Participants
n=5 Participants
6 Participants
n=7 Participants
13 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Sex: Female, Male
Female
4 Participants
n=5 Participants
2 Participants
n=7 Participants
6 Participants
n=5 Participants
Sex: Female, Male
Male
3 Participants
n=5 Participants
4 Participants
n=7 Participants
7 Participants
n=5 Participants
Region of Enrollment
United Kingdom
7 participants
n=5 Participants
6 participants
n=7 Participants
13 participants
n=5 Participants

PRIMARY outcome

Timeframe: night 1

Population: All participants who completed the study and whose recordings were adequate

Total power in 0.5-4Hz band in microvolts squared per Hertz (uV\^2/Hz)

Outcome measures

Outcome measures
Measure
Sodium Oxybate
n=9 Participants
All participants who completed the study and whose recordings were adequate, during the sodium oxybate period
Placebo
n=9 Participants
All participants who completed the study, and whose recordings were adequate, during the placebo period
EEG Slow Wave Activity During Sleep
0.00002653 uV^2/Hz
Standard Error 0.00000406
0.00002257 uV^2/Hz
Standard Error 0.00000339

PRIMARY outcome

Timeframe: night 4

Population: All participants who completed the study and whose recordings were adequate

Total power in 0.5-4Hz band in microvolts squared per Hertz (uV\^2/Hz)

Outcome measures

Outcome measures
Measure
Sodium Oxybate
n=9 Participants
All participants who completed the study and whose recordings were adequate, during the sodium oxybate period
Placebo
n=9 Participants
All participants who completed the study, and whose recordings were adequate, during the placebo period
EEG Slow Wave Activity During Sleep
0.00003051 uV^2/Hz
Standard Error 0.00000492
0.00001759 uV^2/Hz
Standard Error 0.00000225

PRIMARY outcome

Timeframe: Day 2

Population: All participants who completed the study and whose recordings were adequate

time to fall asleep in minutes

Outcome measures

Outcome measures
Measure
Sodium Oxybate
n=10 Participants
All participants who completed the study and whose recordings were adequate, during the sodium oxybate period
Placebo
n=10 Participants
All participants who completed the study, and whose recordings were adequate, during the placebo period
Daytime Sleepiness
16.95 minutes
Standard Error 0.773
15.3 minutes
Standard Error 1.35

PRIMARY outcome

Timeframe: Day 5

Population: All participants who completed the study

time to fall asleep in minutes

Outcome measures

Outcome measures
Measure
Sodium Oxybate
n=10 Participants
All participants who completed the study and whose recordings were adequate, during the sodium oxybate period
Placebo
n=10 Participants
All participants who completed the study, and whose recordings were adequate, during the placebo period
Daytime Sleepiness
17.9 minutes
Standard Error 0.9
17.2 minutes
Standard Error 1.2

Adverse Events

Placebo

Serious events: 0 serious events
Other events: 6 other events
Deaths: 0 deaths

Sodium Oxybate

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Placebo
n=12 participants at risk
All participants who received at least one dose of placebo
Sodium Oxybate
n=11 participants at risk
All participants who received at least one dose of sodium oxybate
Respiratory, thoracic and mediastinal disorders
Obstructive sleep apnoea
16.7%
2/12 • Number of events 2 • 2 months
0.00%
0/11 • 2 months
Skin and subcutaneous tissue disorders
itchy skin
16.7%
2/12 • Number of events 2 • 2 months
9.1%
1/11 • Number of events 1 • 2 months
General disorders
painful legs at night
8.3%
1/12 • Number of events 1 • 2 months
0.00%
0/11 • 2 months
Respiratory, thoracic and mediastinal disorders
hay fever
8.3%
1/12 • Number of events 1 • 2 months
0.00%
0/11 • 2 months
Gastrointestinal disorders
Indigestion/upset stomach
0.00%
0/12 • 2 months
36.4%
4/11 • Number of events 4 • 2 months
Respiratory, thoracic and mediastinal disorders
central sleep apneas
0.00%
0/12 • 2 months
18.2%
2/11 • Number of events 2 • 2 months
General disorders
headache
0.00%
0/12 • 2 months
18.2%
2/11 • Number of events 2 • 2 months
Gastrointestinal disorders
vomiting
0.00%
0/12 • 2 months
9.1%
1/11 • Number of events 1 • 2 months
General disorders
unsteadiness
0.00%
0/12 • 2 months
9.1%
1/11 • Number of events 1 • 2 months
General disorders
feels confused on waking
0.00%
0/12 • 2 months
18.2%
2/11 • Number of events 2 • 2 months

Additional Information

Keith Boland

Imperial College London

Results disclosure agreements

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