Trial Outcomes & Findings for MTX Discontinuation and Vaccine Response (NCT NCT02748785)

NCT ID: NCT02748785

Last Updated: 2018-10-04

Results Overview

Seroresponse is defined as serconversion or ≥4-fold increase in antibody titers

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

277 participants

Primary outcome timeframe

8 weeks

Results posted on

2018-10-04

Participant Flow

Participant milestones

Participant milestones
Measure
Group 1
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Visit 1- Visit 2
STARTED
69
68
71
69
Visit 1- Visit 2
COMPLETED
59
49
57
63
Visit 1- Visit 2
NOT COMPLETED
10
19
14
6
Visit 2-Visit 3
STARTED
59
49
57
63
Visit 2-Visit 3
COMPLETED
54
44
49
52
Visit 2-Visit 3
NOT COMPLETED
5
5
8
11
Visit 3- Visit 4
STARTED
54
44
49
52
Visit 3- Visit 4
COMPLETED
53
43
47
50
Visit 3- Visit 4
NOT COMPLETED
1
1
2
2

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

MTX Discontinuation and Vaccine Response

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Group 1
n=54 Participants
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 Participants
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 Participants
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 Participants
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Total
n=199 Participants
Total of all reporting groups
Age, Continuous
59.1 years
STANDARD_DEVIATION 13.1 • n=5 Participants
58.5 years
STANDARD_DEVIATION 113.3 • n=7 Participants
58.1 years
STANDARD_DEVIATION 10.9 • n=5 Participants
58.1 years
STANDARD_DEVIATION 11.7 • n=4 Participants
58.5 years
STANDARD_DEVIATION 11.7 • n=21 Participants
Sex: Female, Male
Female
45 Participants
n=5 Participants
39 Participants
n=7 Participants
42 Participants
n=5 Participants
43 Participants
n=4 Participants
169 Participants
n=21 Participants
Sex: Female, Male
Male
9 Participants
n=5 Participants
5 Participants
n=7 Participants
7 Participants
n=5 Participants
9 Participants
n=4 Participants
30 Participants
n=21 Participants
Disease duration
5.2 years
STANDARD_DEVIATION 4.5 • n=5 Participants
6.1 years
STANDARD_DEVIATION 4.9 • n=7 Participants
4.9 years
STANDARD_DEVIATION 4.4 • n=5 Participants
6.2 years
STANDARD_DEVIATION 5.5 • n=4 Participants
6.2 years
STANDARD_DEVIATION 5.5 • n=21 Participants
Disease Activity Score (DAS)-28
2.5 units on a scale (0-10)
STANDARD_DEVIATION 1.1 • n=5 Participants
2.8 units on a scale (0-10)
STANDARD_DEVIATION 1.2 • n=7 Participants
2.6 units on a scale (0-10)
STANDARD_DEVIATION 1.0 • n=5 Participants
2.6 units on a scale (0-10)
STANDARD_DEVIATION 1.0 • n=4 Participants
2.6 units on a scale (0-10)
STANDARD_DEVIATION 1.1 • n=21 Participants

PRIMARY outcome

Timeframe: 8 weeks

Population: Per Protocol

Seroresponse is defined as serconversion or ≥4-fold increase in antibody titers

Outcome measures

Outcome measures
Measure
Group 1
n=54 Participants
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 Participants
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 Participants
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 Participants
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Satisfactory Vaccination Responses Against 3 Antigens
31.5 percentage of responders
22.7 percentage of responders
51 percentage of responders
46.2 percentage of responders

PRIMARY outcome

Timeframe: 8 weeks

Population: Per Protocol

Seroresponse is defined as serconversion or ≥4-fold increase in antibody titers

Outcome measures

Outcome measures
Measure
Group 1
n=54 Participants
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 Participants
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 Participants
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 Participants
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Satisfactory Vaccination Responses Against > 2/3 Antigens
53.7 percentage of responders
52.3 percentage of responders
71.4 percentage of responders
65.4 percentage of responders

PRIMARY outcome

Timeframe: 8 weeks

Population: Per Protocol

Seroresponse is defined as serconversion or ≥4-fold increase in antibody titers

Outcome measures

Outcome measures
Measure
Group 1
n=54 Participants
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 Participants
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 Participants
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 Participants
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Satisfactory Vaccination Responses Against > 1/3 Antigens
77.8 percentage of responders
81.8 percentage of responders
87.8 percentage of responders
88.5 percentage of responders

SECONDARY outcome

Timeframe: 8 weeks

Seroprotection is defined as antibody titers of ≥40

Outcome measures

Outcome measures
Measure
Group 1
n=55 Participants
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 Participants
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 Participants
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 Participants
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Proportion of Seroprotection Against H1N1
74 percentage of patients
86 percentage of patients
96 percentage of patients
86 percentage of patients

SECONDARY outcome

Timeframe: 8 weeks

Seroprotection is defined as antibody titers of ≥40

Outcome measures

Outcome measures
Measure
Group 1
n=54 Participants
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 Participants
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 Participants
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 Participants
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Proportion of Seroprotection Against H3N2
100 percentage of patients w/ seroprotection
96 percentage of patients w/ seroprotection
98 percentage of patients w/ seroprotection
96 percentage of patients w/ seroprotection

SECONDARY outcome

Timeframe: 8 weeks

Seroprotection is defined as antibody titers of ≥40

Outcome measures

Outcome measures
Measure
Group 1
n=54 Participants
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 Participants
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 Participants
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 Participants
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Proportion of Seroprotection Against B-Yamagata
72 percentage of patients w/ seroprotection
71 percentage of patients w/ seroprotection
94 percentage of patients w/ seroprotection
81 percentage of patients w/ seroprotection

SECONDARY outcome

Timeframe: Day of and 4 weeks after vaccination

Fold change = post-vaccination titer/pre-vaccination titer

Outcome measures

Outcome measures
Measure
Group 1
n=54 Participants
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 Participants
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 Participants
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 Participants
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Change From Baseline in Antibody Titer Against H1N1
5.1 Fold change
Interval 3.4 to 7.8
5.0 Fold change
Interval 3.2 to 7.8
8.7 Fold change
Interval 5.3 to 14.5
8.1 Fold change
Interval 5.3 to 12.4

SECONDARY outcome

Timeframe: Day of and 4 weeks after vaccination

Fold change = post-vaccination titer/pre-vaccination titer

Outcome measures

Outcome measures
Measure
Group 1
n=54 Participants
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 Participants
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 Participants
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 Participants
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Change From Baseline in Antibody Titer Against H3N2
5.9 Fold change
Interval 4.3 to 8.1
6.1 Fold change
Interval 4.4 to 8.5
12.2 Fold change
Interval 8.4 to 17.5
10.0 Fold change
Interval 6.8 to 14.8

SECONDARY outcome

Timeframe: Day of and 4 weeks after vaccination

Fold change = post-vaccination titer/pre-vaccination titer

Outcome measures

Outcome measures
Measure
Group 1
n=54 Participants
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 Participants
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 Participants
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 Participants
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Change From Baseline in Antibody Titer Against B-Yamagata
2.9 Fold change
Interval 2.2 to 3.8
2.8 Fold change
Interval 2.1 to 3.7
4.7 Fold change
Interval 3.3 to 6.7
6.1 Fold change
Interval 4.2 to 8.8

SECONDARY outcome

Timeframe: 20 weeks from enrollment.

DAS28 flare rate at visit 4 as compared to visit 1. RA flare was defined as an increase in DAS28 of \>1.2 (or \>0.6 if the baseline DAS28 was ≥3.2).

Outcome measures

Outcome measures
Measure
Group 1
n=54 Participants
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 Participants
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 Participants
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 Participants
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
DAS28 Flare Rate at Visit 4
7.5 percentage of flare patients
14.0 percentage of flare patients
19.1 percentage of flare patients
12.0 percentage of flare patients

Adverse Events

Group 1

Serious events: 0 serious events
Other events: 33 other events
Deaths: 0 deaths

Group 2

Serious events: 2 serious events
Other events: 23 other events
Deaths: 0 deaths

Group 3

Serious events: 0 serious events
Other events: 23 other events
Deaths: 0 deaths

Group 4

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

Serious adverse events

Serious adverse events
Measure
Group 1
n=54 participants at risk
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 participants at risk
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 participants at risk
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 participants at risk
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Lung cancer
0.00%
0/54 • At each visit
2.3%
1/44 • Number of events 1 • At each visit
0.00%
0/49 • At each visit
0.00%
0/52 • At each visit
Injury, poisoning and procedural complications
Fracture
0.00%
0/54 • At each visit
2.3%
1/44 • Number of events 1 • At each visit
0.00%
0/49 • At each visit
0.00%
0/52 • At each visit

Other adverse events

Other adverse events
Measure
Group 1
n=54 participants at risk
Group 1 will continue MTX Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 2
n=44 participants at risk
Group 2 will hold MTX 4 weeks before vaccination and resume MTX on the day of vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 3
n=49 participants at risk
Group 3 will hold MTX 2 weeks before vaccination and resume MTX 2 weeks after vaccination Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Group 4
n=52 participants at risk
Group 4 will hold MTX on day of vaccination and resume MTX 4 weeks after vaccination. Methotrexate: Methotrexate will be continued Seasonal Influenza vaccine: all subjects will be vaccinated with a seasonal influenza vaccine
Infections and infestations
Upper respiratory infection
48.1%
26/54 • Number of events 26 • At each visit
40.9%
18/44 • Number of events 18 • At each visit
40.8%
20/49 • Number of events 20 • At each visit
30.8%
16/52 • Number of events 16 • At each visit
General disorders
Dizziness
1.9%
1/54 • Number of events 1 • At each visit
6.8%
3/44 • Number of events 3 • At each visit
0.00%
0/49 • At each visit
1.9%
1/52 • Number of events 1 • At each visit
General disorders
Injection site reaction
5.6%
3/54 • Number of events 3 • At each visit
2.3%
1/44 • Number of events 1 • At each visit
4.1%
2/49 • Number of events 2 • At each visit
0.00%
0/52 • At each visit
Nervous system disorders
Headache
5.6%
3/54 • Number of events 3 • At each visit
2.3%
1/44 • Number of events 1 • At each visit
2.0%
1/49 • Number of events 1 • At each visit
0.00%
0/52 • At each visit

Additional Information

Eun Bong Lee

Seoul National University Hospital

Phone: +82-2-2072-4399

Results disclosure agreements

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