Trial Outcomes & Findings for Change the Cycle: An RCT to Prevent Injection Initiation (NCT NCT02774954)

NCT ID: NCT02774954

Last Updated: 2023-03-20

Results Overview

This data is collected based on responses to the following question: "In the last 6 months, how many people have you helped injected for the first time?"

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

979 participants

Primary outcome timeframe

6 months

Results posted on

2023-03-20

Participant Flow

Participants were recruited in community settings using targeted sampling approach. The first participant was recruited on June 20, 2016 and the last participant was recruited on October 1, 2017.

A total of 984 participants were recruited of whom 979 complete baseline study requirements and are considered in the trial.

Participant milestones

Participant milestones
Measure
Change the Cycle
CTC uses the Information-Motivation-Behavioral skills (IMB) model to achieve changes among active PWID through seven short modules. Information and motivational domains are addressed in guided conversations about (1) their own first injection episode and consequences, (2) past experiences initiating injection-naive people and consequences, (3) health, legal, and social risks related to injection drugs, (4) health, legal, social risks of initiating people, and (5) identifying their own behaviors that might promote injection among others. The behavioral skills domain is addressed through a (6) skill-building discussion and rehearsal of responses to possible initiation scenarios, and (7) safer injection education. Change the Cycle: See previous response
Nutrition
The nutrition equal attention control intervention is a single-session, 60- minute Information-Motivation-Behavioral (IMB) skills-based intervention addressing healthy eating. The healthy eating intervention uses a one-on-one guided conversation between the interventionist and the participant. The intervention addresses (1) information about current eating patterns and recommendations for healthy alternatives (20 minutes), (2) motivations for improving healthy eating by providing feedback to participants on personal responsibility, a menu of alternative change options, a decision balance exercise, and eating goal setting (10 minutes), and (3) Behavioral Self-Management Component (30 minutes) that covers eating scenarios, participant responses, and healthy alternatives to the scenario and the participants feedback. Change the Cycle: See previous response
Baseline
STARTED
482
497
Baseline
Completed Baseline Interview and Intervention
482
497
Baseline
COMPLETED
482
497
Baseline
NOT COMPLETED
0
0
6 Month Follow-up
STARTED
482
497
6 Month Follow-up
COMPLETED
286
313
6 Month Follow-up
NOT COMPLETED
196
184
12 Month Follow-up
STARTED
286
313
12 Month Follow-up
COMPLETED
253
279
12 Month Follow-up
NOT COMPLETED
33
34

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Change the Cycle: An RCT to Prevent Injection Initiation

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Change the Cycle
n=482 Participants
CTC uses the Information-Motivation-Behavioral skills (IMB) model to achieve changes among active PWID through seven short modules. Information and motivational domains are addressed in guided conversations about (1) their own first injection episode and consequences, (2) past experiences initiating injection-naive people and consequences, (3) health, legal, and social risks related to injection drugs, (4) health, legal, social risks of initiating people, and (5) identifying their own behaviors that might promote injection among others. The behavioral skills domain is addressed through a (6) skill-building discussion and rehearsal of responses to possible initiation scenarios, and (7) safer injection education. Change the Cycle: See previous response
Nutrition
n=497 Participants
The nutrition equal attention control intervention is a single-session, 60- minute Information-Motivation-Behavioral (IMB) skills-based intervention addressing healthy eating. The healthy eating intervention uses a one-on-one guided conversation between the interventionist and the participant. The intervention addresses (1) information about current eating patterns and recommendations for healthy alternatives (20 minutes), (2) motivations for improving healthy eating by providing feedback to participants on personal responsibility, a menu of alternative change options, a decision balance exercise, and eating goal setting (10 minutes), and (3) Behavioral Self-Management Component (30 minutes) that covers eating scenarios, participant responses, and healthy alternatives to the scenario and the participants feedback. Change the Cycle: See previous response
Total
n=979 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Age, Categorical
Between 18 and 65 years
467 Participants
n=99 Participants
484 Participants
n=107 Participants
951 Participants
n=206 Participants
Age, Categorical
>=65 years
15 Participants
n=99 Participants
13 Participants
n=107 Participants
28 Participants
n=206 Participants
Age, Continuous
42.44 Years
STANDARD_DEVIATION 12.22 • n=99 Participants
42.17 Years
STANDARD_DEVIATION 12.12 • n=107 Participants
42.30 Years
STANDARD_DEVIATION 12.17 • n=206 Participants
Sex: Female, Male
Female
105 Participants
n=99 Participants
118 Participants
n=107 Participants
223 Participants
n=206 Participants
Sex: Female, Male
Male
377 Participants
n=99 Participants
379 Participants
n=107 Participants
756 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
125 Participants
n=99 Participants
120 Participants
n=107 Participants
245 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
357 Participants
n=99 Participants
377 Participants
n=107 Participants
734 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
American Indian or Alaska Native
28 Participants
n=99 Participants
33 Participants
n=107 Participants
61 Participants
n=206 Participants
Race (NIH/OMB)
Asian
3 Participants
n=99 Participants
5 Participants
n=107 Participants
8 Participants
n=206 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
3 Participants
n=99 Participants
0 Participants
n=107 Participants
3 Participants
n=206 Participants
Race (NIH/OMB)
Black or African American
94 Participants
n=99 Participants
106 Participants
n=107 Participants
200 Participants
n=206 Participants
Race (NIH/OMB)
White
332 Participants
n=99 Participants
326 Participants
n=107 Participants
658 Participants
n=206 Participants
Race (NIH/OMB)
More than one race
22 Participants
n=99 Participants
27 Participants
n=107 Participants
49 Participants
n=206 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Region of Enrollment
United States
482 participants
n=99 Participants
497 participants
n=107 Participants
979 participants
n=206 Participants
People helped inject for the first time in the last 6 months
5.14 Number of people
STANDARD_DEVIATION 13.65 • n=99 Participants
6.72 Number of people
STANDARD_DEVIATION 25.00 • n=107 Participants
5.94 Number of people
STANDARD_DEVIATION 20.13 • n=206 Participants
Number of people who asked to be initiated in the last 6 months
11.09 Number of people
STANDARD_DEVIATION 13.65 • n=99 Participants
10.45 Number of people
STANDARD_DEVIATION 41.50 • n=107 Participants
10.77 Number of people
STANDARD_DEVIATION 36.93 • n=206 Participants

PRIMARY outcome

Timeframe: 6 months

Population: Participants in the study are people who inject drugs.

This data is collected based on responses to the following question: "In the last 6 months, how many people have you helped injected for the first time?"

Outcome measures

Outcome measures
Measure
Change the Cycle
n=253 Participants
CTC uses the Information-Motivation-Behavioral skills (IMB) model to achieve changes among active PWID through seven short modules. Information and motivational domains are addressed in guided conversations about (1) their own first injection episode and consequences, (2) past experiences initiating injection-naive people and consequences, (3) health, legal, and social risks related to injection drugs, (4) health, legal, social risks of initiating people, and (5) identifying their own behaviors that might promote injection among others. The behavioral skills domain is addressed through a (6) skill-building discussion and rehearsal of responses to possible initiation scenarios, and (7) safer injection education. Change the Cycle: See previous response
Nutrition
n=279 Participants
The nutrition equal attention control intervention is a single-session, 60- minute Information-Motivation-Behavioral (IMB) skills-based intervention addressing healthy eating. The healthy eating intervention uses a one-on-one guided conversation between the interventionist and the participant. The intervention addresses (1) information about current eating patterns and recommendations for healthy alternatives (20 minutes), (2) motivations for improving healthy eating by providing feedback to participants on personal responsibility, a menu of alternative change options, a decision balance exercise, and eating goal setting (10 minutes), and (3) Behavioral Self-Management Component (30 minutes) that covers eating scenarios, participant responses, and healthy alternatives to the scenario and the participants feedback. Change the Cycle: See previous response
People Initiated Into Injection Drug Use
2.05 People initiated
Standard Deviation 1.43
3.26 People initiated
Standard Deviation 5.43

PRIMARY outcome

Timeframe: 6 months

Population: Participants are people who inject drugs. The outcomes variable is the number of people who requested that participants help them with their first injection drug use. Study participants could receive multiple request.

This data is collected based on responses to the following question: "In the last 6 months, has anyone ASKED you to help them inject an illicit drug for the first time?"

Outcome measures

Outcome measures
Measure
Change the Cycle
n=253 Participants
CTC uses the Information-Motivation-Behavioral skills (IMB) model to achieve changes among active PWID through seven short modules. Information and motivational domains are addressed in guided conversations about (1) their own first injection episode and consequences, (2) past experiences initiating injection-naive people and consequences, (3) health, legal, and social risks related to injection drugs, (4) health, legal, social risks of initiating people, and (5) identifying their own behaviors that might promote injection among others. The behavioral skills domain is addressed through a (6) skill-building discussion and rehearsal of responses to possible initiation scenarios, and (7) safer injection education. Change the Cycle: See previous response
Nutrition
n=279 Participants
The nutrition equal attention control intervention is a single-session, 60- minute Information-Motivation-Behavioral (IMB) skills-based intervention addressing healthy eating. The healthy eating intervention uses a one-on-one guided conversation between the interventionist and the participant. The intervention addresses (1) information about current eating patterns and recommendations for healthy alternatives (20 minutes), (2) motivations for improving healthy eating by providing feedback to participants on personal responsibility, a menu of alternative change options, a decision balance exercise, and eating goal setting (10 minutes), and (3) Behavioral Self-Management Component (30 minutes) that covers eating scenarios, participant responses, and healthy alternatives to the scenario and the participants feedback. Change the Cycle: See previous response
Number of Request to Initiate Someone Into Drug Injection
6.42 Initiation request
Standard Deviation 25.48
4.06 Initiation request
Standard Deviation 5.56

Adverse Events

Change the Cycle

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

Nutrition

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Ricky Bluthenthal

USCalifornia

Phone: 3234428236

Results disclosure agreements

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