Trial Outcomes & Findings for Adherence Interventions for HIV Youth Via Text & Cell Phone - Sequential Multiple Assignment Randomized Trial (SMART) (NCT NCT03535337)

NCT ID: NCT03535337

Last Updated: 2024-12-13

Results Overview

Percent of participants that have an undetectable HIV Viral Load.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

83 participants

Primary outcome timeframe

baseline, month 3, month 6, month 9, and month 12

Results posted on

2024-12-13

Participant Flow

Participant milestones

Participant milestones
Measure
Stage 1 Cell Phone Support
CPS: Assessment of participant's medication adherence and barrier problem solving via phone conversation
Stage 1 Short Message Service (SMS)
SMS: Participants will receive a text message, which will be an electronic reminder regarding medication adherence. Participants will then text back a confirmatory response.
Stage 2 Cell Phone Support CPS-I
Cell Phone Support Non-responder re-randomized to cell phone support incentivized
Stage 2 Cell Phone Support SMS-I
Cell phone support non-responder, re-randomized to SMS incentivized
Stage 2 Cell Phone Support CPS-T
Cell phone support responder, re-randomized to cell phone support tapered
Stage 2 Cell Phone Support SC
Cell phone support responder, re-randomized to standard of care
Stage 2 Short Message Service SMS-T
Short message service (SMS) responder, re-randomized to SMS tapered
Stage 2 Short Message Service SC
Short message service responder, re-randomized to standard of care
Stage 2 Short Message Service CPS-I
Short message service non-responder, re-randomized to cell phone support incentivized
Stage 2 Short Message Service SMS-I
Short message service non-responder, re-randomized to SMS incentivized
Stage 1 Randomization
STARTED
40
43
0
0
0
0
0
0
0
0
Stage 1 Randomization
COMPLETED
40
43
0
0
0
0
0
0
0
0
Stage 1 Randomization
NOT COMPLETED
0
0
0
0
0
0
0
0
0
0
Stage 2 Randomization
STARTED
0
0
2
4
11
16
14
14
3
5
Stage 2 Randomization
COMPLETED
0
0
0
3
6
12
11
8
3
3
Stage 2 Randomization
NOT COMPLETED
0
0
2
1
5
4
3
6
0
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Stage 1 Cell Phone Support
CPS: Assessment of participant's medication adherence and barrier problem solving via phone conversation
Stage 1 Short Message Service (SMS)
SMS: Participants will receive a text message, which will be an electronic reminder regarding medication adherence. Participants will then text back a confirmatory response.
Stage 2 Cell Phone Support CPS-I
Cell Phone Support Non-responder re-randomized to cell phone support incentivized
Stage 2 Cell Phone Support SMS-I
Cell phone support non-responder, re-randomized to SMS incentivized
Stage 2 Cell Phone Support CPS-T
Cell phone support responder, re-randomized to cell phone support tapered
Stage 2 Cell Phone Support SC
Cell phone support responder, re-randomized to standard of care
Stage 2 Short Message Service SMS-T
Short message service (SMS) responder, re-randomized to SMS tapered
Stage 2 Short Message Service SC
Short message service responder, re-randomized to standard of care
Stage 2 Short Message Service CPS-I
Short message service non-responder, re-randomized to cell phone support incentivized
Stage 2 Short Message Service SMS-I
Short message service non-responder, re-randomized to SMS incentivized
Stage 2 Randomization
Lost to Follow-up
0
0
2
1
5
4
3
6
0
2

Baseline Characteristics

Adherence Interventions for HIV Youth Via Text & Cell Phone - Sequential Multiple Assignment Randomized Trial (SMART)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Stage 1 Cell Phone Support
n=40 Participants
CPS: Assessment of participant's medication adherence and barrier problem solving via phone conversation
Stage 1 Short Message Service (SMS)
n=43 Participants
SMS: Participants will receive a text message, which will be an electronic reminder regarding medication adherence. Participants will then text back a confirmatory response.
Total
n=83 Participants
Total of all reporting groups
Education
High School or Equivalent
17 Participants
n=5 Participants
15 Participants
n=7 Participants
32 Participants
n=5 Participants
Age, Continuous
22.58 Years
STANDARD_DEVIATION 1.63 • n=5 Participants
21.9 Years
STANDARD_DEVIATION 1.80 • n=7 Participants
22.27 Years
STANDARD_DEVIATION 1.78 • n=5 Participants
Sex/Gender, Customized
Male
32 Participants
n=5 Participants
35 Participants
n=7 Participants
67 Participants
n=5 Participants
Sex/Gender, Customized
Female
5 Participants
n=5 Participants
6 Participants
n=7 Participants
11 Participants
n=5 Participants
Sex/Gender, Customized
Other
3 Participants
n=5 Participants
2 Participants
n=7 Participants
5 Participants
n=5 Participants
Race/Ethnicity, Customized
African American/Black
20 Participants
n=5 Participants
24 Participants
n=7 Participants
44 Participants
n=5 Participants
Race/Ethnicity, Customized
Latino
9 Participants
n=5 Participants
10 Participants
n=7 Participants
19 Participants
n=5 Participants
Race/Ethnicity, Customized
White
4 Participants
n=5 Participants
3 Participants
n=7 Participants
7 Participants
n=5 Participants
Race/Ethnicity, Customized
Multiracial/Other
7 Participants
n=5 Participants
6 Participants
n=7 Participants
13 Participants
n=5 Participants
Region
Northeast United States
3 Participants
n=5 Participants
8 Participants
n=7 Participants
11 Participants
n=5 Participants
Region
Midwest United Stated
8 Participants
n=5 Participants
4 Participants
n=7 Participants
12 Participants
n=5 Participants
Region
Southeastern United States
20 Participants
n=5 Participants
24 Participants
n=7 Participants
44 Participants
n=5 Participants
Region
Western United States
9 Participants
n=5 Participants
7 Participants
n=7 Participants
16 Participants
n=5 Participants
Employed
24 Participants
n=5 Participants
20 Participants
n=7 Participants
44 Participants
n=5 Participants
Education
Less than High School
7 Participants
n=5 Participants
6 Participants
n=7 Participants
13 Participants
n=5 Participants
Education
Some College or Above
16 Participants
n=5 Participants
22 Participants
n=7 Participants
38 Participants
n=5 Participants
Sexual Identity
Gay
29 Participants
n=5 Participants
34 Participants
n=7 Participants
63 Participants
n=5 Participants
Sexual Identity
Heterosexual or Other
11 Participants
n=5 Participants
9 Participants
n=7 Participants
20 Participants
n=5 Participants

PRIMARY outcome

Timeframe: baseline, month 3, month 6, month 9, and month 12

Population: Significant attrition at follow-ups for viral load testing. Therefore the overall model would not converge.

Percent of participants that have an undetectable HIV Viral Load.

Outcome measures

Outcome measures
Measure
Stage 1 Cell Phone Support
n=34 Participants
CPS: Assessment of participant's medication adherence and barrier problem solving via phone conversation
Stage 1 Short Message Service (SMS)
n=35 Participants
SMS: Participants will receive a text message, which will be an electronic reminder regarding medication adherence. Participants will then text back a confirmatory response.
Stage 2 Cell Phone Support CPS-I
n=1 Participants
Cell phone support non-responder re-randomized to cell phone support incentivized
Stage 2 Cell Phone Support SMS-I
n=1 Participants
Cell Phone Support non-responder, re-randomized to SMS Incentivized
Stage 2 Cell Phone Support CPS-T
n=7 Participants
Cell phone support responder, re-randomized to cell phone support tapered
Stage 2 Cell Phone Support SC
n=8 Participants
Cell phone support responder, re-randomized to standard of care
Stage 2 Short Message Service SMS-T
n=9 Participants
Short message service (SMS) responder, re-randomized to SMS tapered
Stage 2 Short Message Service SC
n=12 Participants
Short message service responder, re-randomized to standard of care
Stage 2 Short Message Service CPS-I
n=1 Participants
Short message service non-responder, re-randomized to cell phone support incentivized
Stage 2 Short Message Service SMS-I
n=2 Participants
Short message service non-responder, re-randomized to SMS incentivized
Undetectable Viral Load
12 Month
80.0 percentage of participants
100.0 percentage of participants
100 percentage of participants
50.0 percentage of participants
100 percentage of participants
100 percentage of participants
100 percentage of participants
Undetectable Viral Load
Baseline
58.8 percentage of participants
62.9 percentage of participants
Undetectable Viral Load
3 Month
89.5 percentage of participants
87.5 percentage of participants
100 percentage of participants
100 percentage of participants
100 percentage of participants
100 percentage of participants
90.0 percentage of participants
100 percentage of participants
Undetectable Viral Load
6 Month
93.8 percentage of participants
89.5 percentage of participants
100 percentage of participants
85.7 percentage of participants
100 percentage of participants
100 percentage of participants
85.7 percentage of participants
100 percentage of participants
Undetectable Viral Load
9 Month
83.3 percentage of participants
83.3 percentage of participants
100 percentage of participants
100 percentage of participants
80.0 percentage of participants
80.0 percentage of participants
100 percentage of participants
83 percentage of participants
100 percentage of participants

PRIMARY outcome

Timeframe: baseline, month 3, month 6, month 9, and month 12

Population: Numbers are different due to attrition.

Self reported percentage of medication taken in the past 7 days prior to assessment point. Medication adherence rates will be compared between CPS and SMS groups.

Outcome measures

Outcome measures
Measure
Stage 1 Cell Phone Support
n=40 Participants
CPS: Assessment of participant's medication adherence and barrier problem solving via phone conversation
Stage 1 Short Message Service (SMS)
n=43 Participants
SMS: Participants will receive a text message, which will be an electronic reminder regarding medication adherence. Participants will then text back a confirmatory response.
Stage 2 Cell Phone Support CPS-I
n=2 Participants
Cell phone support non-responder re-randomized to cell phone support incentivized
Stage 2 Cell Phone Support SMS-I
n=4 Participants
Cell Phone Support non-responder, re-randomized to SMS Incentivized
Stage 2 Cell Phone Support CPS-T
n=11 Participants
Cell phone support responder, re-randomized to cell phone support tapered
Stage 2 Cell Phone Support SC
n=15 Participants
Cell phone support responder, re-randomized to standard of care
Stage 2 Short Message Service SMS-T
n=14 Participants
Short message service (SMS) responder, re-randomized to SMS tapered
Stage 2 Short Message Service SC
n=14 Participants
Short message service responder, re-randomized to standard of care
Stage 2 Short Message Service CPS-I
n=3 Participants
Short message service non-responder, re-randomized to cell phone support incentivized
Stage 2 Short Message Service SMS-I
n=5 Participants
Short message service non-responder, re-randomized to SMS incentivized
Medication Adherence Rate - 7 Day
3 month
90.69 percentage of medication adherence
Standard Deviation 15.57
76.18 percentage of medication adherence
Standard Deviation 34.20
70.00 percentage of medication adherence
Standard Deviation 0.00
100 percentage of medication adherence
Standard Deviation 0.00
94.60 percentage of medication adherence
Standard Deviation 8.20
88.00 percentage of medication adherence
Standard Deviation 19.30
95.40 percentage of medication adherence
Standard Deviation 8.80
79.30 percentage of medication adherence
Standard Deviation 32.50
15.00 percentage of medication adherence
Standard Deviation 21.20
42.00 percentage of medication adherence
Standard Deviation 35.60
Medication Adherence Rate - 7 Day
9 month
79.17 percentage of medication adherence
Standard Deviation 29.18
82.76 percentage of medication adherence
Standard Deviation 23.89
100 percentage of medication adherence
Standard Deviation 0.00
76.70 percentage of medication adherence
Standard Deviation 40.40
85.70 percentage of medication adherence
Standard Deviation 21.50
72.00 percentage of medication adherence
Standard Deviation 35.50
94.60 percentage of medication adherence
Standard Deviation 5.20
92.50 percentage of medication adherence
Standard Deviation 7.10
56.70 percentage of medication adherence
Standard Deviation 40.40
54.00 percentage of medication adherence
Standard Deviation 28.80
Medication Adherence Rate - 7 Day
12 month
73.33 percentage of medication adherence
Standard Deviation 38.12
79.63 percentage of medication adherence
Standard Deviation 30.19
33.30 percentage of medication adherence
Standard Deviation 57.70
98.00 percentage of medication adherence
Standard Deviation 4.50
79.10 percentage of medication adherence
Standard Deviation 29.50
97.00 percentage of medication adherence
Standard Deviation 6.70
70.00 percentage of medication adherence
Standard Deviation 36.30
66.70 percentage of medication adherence
Standard Deviation 25.20
46.70 percentage of medication adherence
Standard Deviation 47.30
Medication Adherence Rate - 7 Day
Baseline
63.68 percentage of medication adherence
Standard Deviation 34.91
74.52 percentage of medication adherence
Standard Deviation 29.81
Medication Adherence Rate - 7 Day
6 month
80.00 percentage of medication adherence
Standard Deviation 31.93
84.55 percentage of medication adherence
Standard Deviation 20.09
100 percentage of medication adherence
Standard Deviation 0.00
40 percentage of medication adherence
Standard Deviation 45.80
96.30 percentage of medication adherence
Standard Deviation 7.40
74.40 percentage of medication adherence
Standard Deviation 33.20
94.60 percentage of medication adherence
Standard Deviation 8.80
76.70 percentage of medication adherence
Standard Deviation 28.10
95.00 percentage of medication adherence
Standard Deviation 7.10
70.00 percentage of medication adherence
Standard Deviation 24.50

PRIMARY outcome

Timeframe: baseline, month 3, month 6, month 9, and month 12

Population: Numbers are different due to attrition.

Self reported percentage of medication taken in the past 30 days prior to assessment point. Medication adherence rates will be compared between CPS and SMS groups.

Outcome measures

Outcome measures
Measure
Stage 1 Cell Phone Support
n=31 Participants
CPS: Assessment of participant's medication adherence and barrier problem solving via phone conversation
Stage 1 Short Message Service (SMS)
n=36 Participants
SMS: Participants will receive a text message, which will be an electronic reminder regarding medication adherence. Participants will then text back a confirmatory response.
Stage 2 Cell Phone Support CPS-I
n=2 Participants
Cell phone support non-responder re-randomized to cell phone support incentivized
Stage 2 Cell Phone Support SMS-I
n=2 Participants
Cell Phone Support non-responder, re-randomized to SMS Incentivized
Stage 2 Cell Phone Support CPS-T
n=10 Participants
Cell phone support responder, re-randomized to cell phone support tapered
Stage 2 Cell Phone Support SC
n=14 Participants
Cell phone support responder, re-randomized to standard of care
Stage 2 Short Message Service SMS-T
n=13 Participants
Short message service (SMS) responder, re-randomized to SMS tapered
Stage 2 Short Message Service SC
n=13 Participants
Short message service responder, re-randomized to standard of care
Stage 2 Short Message Service CPS-I
n=3 Participants
Short message service non-responder, re-randomized to cell phone support incentivized
Stage 2 Short Message Service SMS-I
n=4 Participants
Short message service non-responder, re-randomized to SMS incentivized
Medication Adherence - 30 Days
9 Month
78.34 percentage of medication adherence
Standard Deviation 27.92
83.74 percentage of medication adherence
Standard Deviation 21.33
93.00 percentage of medication adherence
Standard Deviation 1.40
90.50 percentage of medication adherence
Standard Deviation 13.40
87.40 percentage of medication adherence
Standard Deviation 21.70
67.90 percentage of medication adherence
Standard Deviation 35.50
94.60 percentage of medication adherence
Standard Deviation 6.00
91.10 percentage of medication adherence
Standard Deviation 8.70
56.00 percentage of medication adherence
Standard Deviation 39.30
58.00 percentage of medication adherence
Standard Deviation 19.60
Medication Adherence - 30 Days
12 Month
83.94 percentage of medication adherence
Standard Deviation 22.73
80.60 percentage of medication adherence
Standard Deviation 28.73
52.00 percentage of medication adherence
Standard Deviation 67.90
94.00 percentage of medication adherence
Standard Deviation 5.50
85.60 percentage of medication adherence
Standard Deviation 12.80
97.10 percentage of medication adherence
Standard Deviation 6.30
75.40 percentage of medication adherence
Standard Deviation 29.80
69.00 percentage of medication adherence
Standard Deviation 28.60
17.00 percentage of medication adherence
Standard Deviation 24.00
Medication Adherence - 30 Days
Baseline
68.55 percentage of medication adherence
Standard Deviation 27.18
74.33 percentage of medication adherence
Standard Deviation 23.60
Medication Adherence - 30 Days
3 Month
87.56 percentage of medication adherence
Standard Deviation 20.35
84.87 percentage of medication adherence
Standard Deviation 22.73
75.00 percentage of medication adherence
Standard Deviation 0.00
53.00 percentage of medication adherence
Standard Deviation 32.50
95.10 percentage of medication adherence
Standard Deviation 6.00
88.00 percentage of medication adherence
Standard Deviation 22.00
96.20 percentage of medication adherence
Standard Deviation 4.60
83.90 percentage of medication adherence
Standard Deviation 24.50
70.00 percentage of medication adherence
Standard Deviation 0.00
58.00 percentage of medication adherence
Standard Deviation 31.10
Medication Adherence - 30 Days
6 Month
85.48 percentage of medication adherence
Standard Deviation 21.14
82.13 percentage of medication adherence
Standard Deviation 20.08
77.50 percentage of medication adherence
Standard Deviation 23.30
88.50 percentage of medication adherence
Standard Deviation 16.30
96.00 percentage of medication adherence
Standard Deviation 9.80
77.20 percentage of medication adherence
Standard Deviation 27.00
94.30 percentage of medication adherence
Standard Deviation 8.40
73.50 percentage of medication adherence
Standard Deviation 28.30
95.00 percentage of medication adherence
Standard Deviation 7.10
55.00 percentage of medication adherence
Standard Deviation 35.20

Adverse Events

Stage 1 Cell Phone Support

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

Stage 1 Short Message Service (SMS)

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

Stage 2 Cell Phone Support CPS-I

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

Stage 2 Cell Phone Support SMS-I

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

Stage 2 Cell Phone Support CPS-T

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

Stage 2 Cell Phone Support SC

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

Stage 2 Short Message Service SMS-T

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

Stage 2 Short Message Service SC

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

Stage 2 Short Message Service CPS-I

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

Stage 2 Short Message Service SMS-I

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Sylvie Naar, PhD; Distinguished Endowed Professor

Florida State University

Phone: 18506442334

Results disclosure agreements

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