Trial Outcomes & Findings for Discontinuation of Hypnotics in Older Veterans (NCT NCT03511209)

NCT ID: NCT03511209

Last Updated: 2024-11-14

Results Overview

The percentage of participants who had stopped taking a benzodiazepine or z-drug at follow-up. This outcome was measured with 7-day self-reported medication logs.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

132 participants

Primary outcome timeframe

6 months after treatment ends (which is an average of 8 months from randomization)

Results posted on

2024-11-14

Participant Flow

Participant milestones

Participant milestones
Measure
Cognitive Behavioral Therapy for Insomnia (CBTI) Plus Taper Method A
Participants in this arm will receive Cognitive Behavioral Therapy for Insomnia (CBTI) plus the novel hypnotic tapering method. CBTI plus taper method A: This intervention includes CBTI plus the novel hypnotic tapering method.
Cognitive Behavioral Therapy for Insomnia (CBTI) Plus Taper Method B
Participants in this arm will receive Cognitive Behavioral Therapy for Insomnia (CBTI) plus the usual tapering method used by the VA. CBTI plus taper method B: This intervention includes CBTI plus the usual hypnotic tapering method used by the VA.
Overall Study
STARTED
66
66
Overall Study
COMPLETED
63
60
Overall Study
NOT COMPLETED
3
6

Reasons for withdrawal

Reasons for withdrawal
Measure
Cognitive Behavioral Therapy for Insomnia (CBTI) Plus Taper Method A
Participants in this arm will receive Cognitive Behavioral Therapy for Insomnia (CBTI) plus the novel hypnotic tapering method. CBTI plus taper method A: This intervention includes CBTI plus the novel hypnotic tapering method.
Cognitive Behavioral Therapy for Insomnia (CBTI) Plus Taper Method B
Participants in this arm will receive Cognitive Behavioral Therapy for Insomnia (CBTI) plus the usual tapering method used by the VA. CBTI plus taper method B: This intervention includes CBTI plus the usual hypnotic tapering method used by the VA.
Overall Study
Withdrawal by Subject
2
4
Overall Study
Death
1
0
Overall Study
Lost to Follow-up
0
2

Baseline Characteristics

Discontinuation of Hypnotics in Older Veterans

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
CBTI Plus Taper Method A
n=66 Participants
Participants in this arm will receive CBTI plus the novel hypnotic tapering method. CBTI plus taper method A: This intervention includes CBTI plus the novel hypnotic tapering method.
CBTI Plus Taper Method B
n=66 Participants
Participants in this arm will receive CBTI plus the usual tapering method used by the VA. CBTI plus taper method B: This intervention includes CBTI plus the usual hypnotic tapering method used by the VA.
Total
n=132 Participants
Total of all reporting groups
Age, Continuous
68.3 years
STANDARD_DEVIATION 8.6 • n=5 Participants
70.1 years
STANDARD_DEVIATION 7.7 • n=7 Participants
69.2 years
STANDARD_DEVIATION 8.2 • n=5 Participants
Sex: Female, Male
Female
12 Participants
n=5 Participants
12 Participants
n=7 Participants
24 Participants
n=5 Participants
Sex: Female, Male
Male
54 Participants
n=5 Participants
54 Participants
n=7 Participants
108 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
11 Participants
n=5 Participants
5 Participants
n=7 Participants
16 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
55 Participants
n=5 Participants
61 Participants
n=7 Participants
116 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
2 Participants
n=7 Participants
2 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
8 Participants
n=5 Participants
6 Participants
n=7 Participants
14 Participants
n=5 Participants
Race (NIH/OMB)
White
51 Participants
n=5 Participants
52 Participants
n=7 Participants
103 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
6 Participants
n=5 Participants
2 Participants
n=7 Participants
8 Participants
n=5 Participants
Region of Enrollment
United States
66 Participants
n=5 Participants
66 Participants
n=7 Participants
132 Participants
n=5 Participants
Insomnia Severity Index scale
14.1 units on a scale
STANDARD_DEVIATION 6.9 • n=5 Participants
14.2 units on a scale
STANDARD_DEVIATION 5.8 • n=7 Participants
14.2 units on a scale
STANDARD_DEVIATION 6.3 • n=5 Participants

PRIMARY outcome

Timeframe: 6 months after treatment ends (which is an average of 8 months from randomization)

The percentage of participants who had stopped taking a benzodiazepine or z-drug at follow-up. This outcome was measured with 7-day self-reported medication logs.

Outcome measures

Outcome measures
Measure
CBTI Plus Taper Method A
n=63 Participants
Participants in this arm will receive CBTI plus the novel hypnotic tapering method. CBTI plus taper method A: This intervention includes CBTI plus the novel hypnotic tapering method.
CBTI Plus Taper Method B
n=60 Participants
Participants in this arm will receive CBTI plus the usual tapering method used by the VA. CBTI plus taper method B: This intervention includes CBTI plus the usual hypnotic tapering method used by the VA.
Rates of Hypnotic Discontinuation
48 Participants
36 Participants

PRIMARY outcome

Timeframe: 6 months after treatment ends (which is an average of 8 months from randomization)

Mean score on Insomnia Severity Index. This 7-item scale measures self-reported severity of insomnia symptoms. Total score ranges from 0 to 28, with higher scores indicating greater insomnia severity.

Outcome measures

Outcome measures
Measure
CBTI Plus Taper Method A
n=66 Participants
Participants in this arm will receive CBTI plus the novel hypnotic tapering method. CBTI plus taper method A: This intervention includes CBTI plus the novel hypnotic tapering method.
CBTI Plus Taper Method B
n=66 Participants
Participants in this arm will receive CBTI plus the usual tapering method used by the VA. CBTI plus taper method B: This intervention includes CBTI plus the usual hypnotic tapering method used by the VA.
Insomnia Severity Index Score
14.11 score on a scale
Standard Deviation 6.86
14.20 score on a scale
Standard Deviation 5.79

Adverse Events

CBTI Plus Taper Method A

Serious events: 3 serious events
Other events: 5 other events
Deaths: 1 deaths

CBTI Plus Taper Method B

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
CBTI Plus Taper Method A
n=66 participants at risk
Participants in this arm will receive CBTI plus the novel hypnotic tapering method. CBTI plus taper method A: This intervention includes CBTI plus the novel hypnotic tapering method.
CBTI Plus Taper Method B
n=66 participants at risk
Participants in this arm will receive CBTI plus the usual tapering method used by the VA. CBTI plus taper method B: This intervention includes CBTI plus the usual hypnotic tapering method used by the VA.
Respiratory, thoracic and mediastinal disorders
Hospitalization for respiratory viral illness
1.5%
1/66 • Number of events 1 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
0.00%
0/66 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
Infections and infestations
Death from COVID-19
1.5%
1/66 • Number of events 1 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
0.00%
0/66 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
Gastrointestinal disorders
Small bowel obstruction
1.5%
1/66 • Number of events 1 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
0.00%
0/66 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).

Other adverse events

Other adverse events
Measure
CBTI Plus Taper Method A
n=66 participants at risk
Participants in this arm will receive CBTI plus the novel hypnotic tapering method. CBTI plus taper method A: This intervention includes CBTI plus the novel hypnotic tapering method.
CBTI Plus Taper Method B
n=66 participants at risk
Participants in this arm will receive CBTI plus the usual tapering method used by the VA. CBTI plus taper method B: This intervention includes CBTI plus the usual hypnotic tapering method used by the VA.
Injury, poisoning and procedural complications
Fall
3.0%
2/66 • Number of events 2 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
1.5%
1/66 • Number of events 1 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
Infections and infestations
COVID-19 infection requiring ED visit
1.5%
1/66 • Number of events 1 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
0.00%
0/66 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
Psychiatric disorders
Hallucinations
0.00%
0/66 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
1.5%
1/66 • Number of events 1 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
Respiratory, thoracic and mediastinal disorders
Dyspnea
0.00%
0/66 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
1.5%
1/66 • Number of events 1 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
Musculoskeletal and connective tissue disorders
Knee pain with torn meniscus
1.5%
1/66 • Number of events 1 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
0.00%
0/66 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
Nervous system disorders
parasomnia prior to receiving study medication
0.00%
0/66 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
1.5%
1/66 • Number of events 1 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
Skin and subcutaneous tissue disorders
Rash
1.5%
1/66 • Number of events 1 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).
0.00%
0/66 • Adverse events were collected over approximately 8-months (date of randomization until 6-months after treatment).

Additional Information

Constance H. Fung, MD, MSHS

VA Greater Los Angeles Healthcare System

Phone: 818-891-7711

Results disclosure agreements

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