Trial Outcomes & Findings for Interactive, Health Literacy Promoting Text Messages and HPV Vaccine Completion In Minority Adolescents (NCT NCT02236273)

NCT ID: NCT02236273

Last Updated: 2025-07-29

Results Overview

receipt of 3 doses of HPV vaccine by 12 months after initiation

• Recruitment status: COMPLETED
• Study phase: NA
• Target enrollment: 956 participants
• Primary outcome timeframe: 12 months
• Results posted on: 2025-07-29

Participant Flow

Participant milestones

Measure	Conventional Text Message Conventional text message reminder Conventional text message reminder: Receipt of conventional text message notifying when due for next dose	Enhanced Reminders Enhanced text message reminders Enhanced text message reminders: Receipt of enhanced text messages notifying when due for next dose coupled with educational information
Overall Study STARTED	481	475
Overall Study COMPLETED	481	475
Overall Study NOT COMPLETED	0	0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Interactive, Health Literacy Promoting Text Messages and HPV Vaccine Completion In Minority Adolescents

Baseline characteristics by cohort

Measure	Conventional Text Message n=481 Participants Conventional text message reminder Conventional text message reminder: Receipt of conventional text message notifying when due for next dose	Enhanced Reminders n=475 Participants Enhanced text message reminders Enhanced text message reminders: Receipt of enhanced text messages notifying when due for next dose coupled with educational information	Total n=956 Participants Total of all reporting groups
Age, Customized < 14 years	443 Participants n=5 Participants	437 Participants n=7 Participants	880 Participants n=5 Participants
Age, Customized 15- 17 years	38 Participants n=5 Participants	38 Participants n=7 Participants	76 Participants n=5 Participants
Sex: Female, Male Female	236 Participants n=5 Participants	242 Participants n=7 Participants	478 Participants n=5 Participants
Sex: Female, Male Male	245 Participants n=5 Participants	233 Participants n=7 Participants	478 Participants n=5 Participants
Race/Ethnicity, Customized Latinx	270 Participants n=5 Participants	255 Participants n=7 Participants	525 Participants n=5 Participants
Race/Ethnicity, Customized Black	47 Participants n=5 Participants	66 Participants n=7 Participants	113 Participants n=5 Participants
Race/Ethnicity, Customized White	73 Participants n=5 Participants	81 Participants n=7 Participants	154 Participants n=5 Participants
Race/Ethnicity, Customized Other	91 Participants n=5 Participants	73 Participants n=7 Participants	164 Participants n=5 Participants
Language Spanish	310 Participants n=5 Participants	304 Participants n=7 Participants	614 Participants n=5 Participants
Language English	171 Participants n=5 Participants	171 Participants n=7 Participants	342 Participants n=5 Participants

PRIMARY outcome

Timeframe: 12 months

receipt of 3 doses of HPV vaccine by 12 months after initiation

Outcome measures

Measure	Conventional Text Message n=481 Participants Conventional text message reminder Conventional text message reminder: Receipt of conventional text message notifying when due for next dose	Enhanced Reminders n=475 Participants Enhanced text message reminders Enhanced text message reminders: Receipt of enhanced text messages notifying when due for next dose coupled with educational information
Number of Participants Who Completed HPV Vaccine Series	364 Participants	344 Participants

SECONDARY outcome

Timeframe: 12 months

Time elapsed in days between first and second dose- for those in need of three doses

Outcome measures

Measure	Conventional Text Message n=215 Participants Conventional text message reminder Conventional text message reminder: Receipt of conventional text message notifying when due for next dose	Enhanced Reminders n=200 Participants Enhanced text message reminders Enhanced text message reminders: Receipt of enhanced text messages notifying when due for next dose coupled with educational information
Time Between 1st and 2nd Dose	84.1 days Standard Deviation 59	82.8 days Standard Deviation 57

SECONDARY outcome

Timeframe: 12 months

Time elapsed (in days) between 1st and 3rd dose for those in need of three doses

Outcome measures

Measure	Conventional Text Message n=178 Participants Conventional text message reminder Conventional text message reminder: Receipt of conventional text message notifying when due for next dose	Enhanced Reminders n=156 Participants Enhanced text message reminders Enhanced text message reminders: Receipt of enhanced text messages notifying when due for next dose coupled with educational information
Time Between 1st and 3rd Dose	210 days Standard Deviation 43	210 days Standard Deviation 43

Adverse Events

Conventional Text Message

Serious events: 0 serious events

Other events: 0 other events

Deaths: 0 deaths

Enhanced Reminders

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

Melissa Stockwell

Columbia University

Phone: 2123425732

Email: mss2112@cumc.columbia.edu

Results disclosure agreements

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