Trial Outcomes & Findings for Recombinant Human Papillomavirus Nonavalent Vaccine in Preventing Human Papilloma Virus in Younger Healthy Participants (NCT NCT02568566)

NCT ID: NCT02568566

Last Updated: 2025-07-14

Results Overview

Difference in the log-transformed HPV 16/18 antibody levels between 6 and 12 months, between 12 and 18 months, and between 18 and 24 months after prime dose.

Recruitment status

ACTIVE_NOT_RECRUITING

Study phase

PHASE2

Target enrollment

201 participants

Primary outcome timeframe

Between 6 and 24 months after prime dose and prior to the administration of the second dose

Results posted on

2025-07-14

Participant Flow

Participant milestones

Participant milestones
Measure
Prevention (Gardasil 9)
Patients receive recombinant human papillomavirus nonavalent vaccine IM at baseline (priming injection) and at 24 and 30 months (booster injections). Laboratory Biomarker Analysis: Correlative studies Recombinant Human Papillomavirus Nonavalent Vaccine: Given IM
Overall Study
STARTED
201
Overall Study
COMPLETED
187
Overall Study
NOT COMPLETED
14

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Recombinant Human Papillomavirus Nonavalent Vaccine in Preventing Human Papilloma Virus in Younger Healthy Participants

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Prevention (Gardasil 9)
n=201 Participants
Patients receive recombinant human papillomavirus nonavalent vaccine IM at baseline (priming injection) and at 24 and 30 months (booster injections). Laboratory Biomarker Analysis: Correlative studies Recombinant Human Papillomavirus Nonavalent Vaccine: Given IM
Age, Continuous
10 years
STANDARD_DEVIATION 0.82 • n=5 Participants
Sex: Female, Male
Female
143 Participants
n=5 Participants
Sex: Female, Male
Male
58 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
100 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
100 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
4 Participants
n=5 Participants
Race (NIH/OMB)
Asian
23 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
7 Participants
n=5 Participants
Race (NIH/OMB)
White
131 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
27 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
8 Participants
n=5 Participants
Region of Enrollment
United States
201 participants
n=5 Participants

PRIMARY outcome

Timeframe: Between 6 and 24 months after prime dose and prior to the administration of the second dose

Population: Analysis on participants who provided blood samples in all study visits

Difference in the log-transformed HPV 16/18 antibody levels between 6 and 12 months, between 12 and 18 months, and between 18 and 24 months after prime dose.

Outcome measures

Outcome measures
Measure
Prevention (Gardasil 9)
n=179 Participants
Patients receive recombinant human papillomavirus nonavalent vaccine IM at baseline (priming injection) and at 24 and 30 months (booster injections). Laboratory Biomarker Analysis: Correlative studies Recombinant Human Papillomavirus Nonavalent Vaccine: Given IM
Change in Human Papilloma Virus (HPV)16/18 Antibody Titer
Difference in HPV16 titers between 6 and 12 months
-0.55 Log10 IU/ml
Standard Deviation 0.54
Change in Human Papilloma Virus (HPV)16/18 Antibody Titer
Difference in HPV16 titers between 12 and 18 months
0.03 Log10 IU/ml
Standard Deviation 0.62
Change in Human Papilloma Virus (HPV)16/18 Antibody Titer
Difference in HPV16 titers between 18 and 24 months
-0.002 Log10 IU/ml
Standard Deviation 0.64
Change in Human Papilloma Virus (HPV)16/18 Antibody Titer
Difference in HPV18 titers between 6 and 12 months
-0.38 Log10 IU/ml
Standard Deviation 0.46
Change in Human Papilloma Virus (HPV)16/18 Antibody Titer
Difference in HPV18 titers between 12 and 18 months
-0.005 Log10 IU/ml
Standard Deviation 0.53
Change in Human Papilloma Virus (HPV)16/18 Antibody Titer
Difference in HPV18 titers between 18 and 24 months
-0.02 Log10 IU/ml
Standard Deviation 0.63

SECONDARY outcome

Timeframe: Data are not available. The study team is working on analyzing the antibody titers of other HPV types.

Difference in the log-transformed HPV type-specific antibody levels between 6 and 12 months, between 12 and 18 months, and between 18 and 24 months after prime dose.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Up to 2 weeks post-treatment

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Up to 30 months

Outcome measures

Outcome data not reported

Adverse Events

Prevention (Gardasil 9)

Serious events: 2 serious events
Other events: 151 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Prevention (Gardasil 9)
n=201 participants at risk
Patients receive recombinant human papillomavirus nonavalent vaccine IM at baseline (priming injection) and at 24 and 30 months (booster injections). Laboratory Biomarker Analysis: Correlative studies Recombinant Human Papillomavirus Nonavalent Vaccine: Given IM
Infections and infestations
Appendicitis
0.50%
1/201 • 30 months
Respiratory, thoracic and mediastinal disorders
Wheezing
0.50%
1/201 • 30 months

Other adverse events

Other adverse events
Measure
Prevention (Gardasil 9)
n=201 participants at risk
Patients receive recombinant human papillomavirus nonavalent vaccine IM at baseline (priming injection) and at 24 and 30 months (booster injections). Laboratory Biomarker Analysis: Correlative studies Recombinant Human Papillomavirus Nonavalent Vaccine: Given IM
Gastrointestinal disorders
Nausea
6.5%
13/201 • 30 months
Gastrointestinal disorders
Stomach pain
8.0%
16/201 • 30 months
General disorders
Fever
5.5%
11/201 • 30 months
General disorders
Flu like symptoms
7.5%
15/201 • 30 months
General disorders
Injection site reaction
34.3%
69/201 • 30 months
General disorders
Pain
5.5%
11/201 • 30 months
Infections and infestations
Upper respiratory infection
14.4%
29/201 • 30 months
Musculoskeletal and connective tissue disorders
Arthralgia
5.5%
11/201 • 30 months
Musculoskeletal and connective tissue disorders
Pain in extremity
7.0%
14/201 • 30 months
Nervous system disorders
Headache
16.9%
34/201 • 30 months
Respiratory, thoracic and mediastinal disorders
Nasal congestion
7.0%
14/201 • 30 months
Respiratory, thoracic and mediastinal disorders
Sore throat
5.5%
11/201 • 30 months

Additional Information

Sherry Chow, PhD

University of Arizona

Phone: 520-626-3358

Results disclosure agreements

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

Restriction type: LTE60