Skip to main content

Table 2 Immune responses to pneumococcal polysaccharides at one month post-primary vaccination (primary ATP immunogenicity cohort): 22F-ELISA

From: A randomised trial to evaluate the immunogenicity, reactogenicity, and safety of the 10-valent pneumococcal non-typeable Haemophilus influenzaeprotein D conjugate vaccine (PHiD-CV) co-administered with routine childhood vaccines in Singapore and Malaysia

 

Clin group

Com group

 

N

% ≥0.2 μg/mL

GMC

N

% ≥0.2 μg/mL

GMC

(95% CI)

(95% CI)

(95% CI)

(95% CI)

Vaccine serotypes

      

Serotype 1

219

100

2.67

218

100

2.46

(98.3 – 100)

(2.46 – 2.91)

(98.3 – 100)

(2.25 – 2.69)

Serotype 4

219

100

3.95

218

100

3.14

(98.3 – 100)

(3.59 – 4.36)

(98.3 – 100)

(2.84 – 3.47)

Serotype 5

219

99.5

4.34

218

100

3.59

(97.5 – 100)

(3.95 – 4.76)

(98.3 – 100)

(3.29 – 3.92)

Serotype 6B

219

96.3

1.31

218

93.6

1.23

(92.9 – 98.4)

(1.16 – 1.48)

(89.5 – 96.4)

(1.07 – 1.41)

Serotype 7F

218

100

3.10

217

100

3.20

(98.3 – 100)

(2.83 – 3.39)

(98.3 – 100)

(2.92 – 3.51)

Serotype 9V

219

100

3.34

218

100

3.14

(98.3 – 100)

(3.03 – 3.69)

(98.3 – 100)

(2.83 – 3.49)

Serotype 14

219

99.5

5.13

218

100

4.74

(97.5 – 100)

(4.54 – 5.79)

(98.3 – 100)

(4.23 – 5.32)

Serotype 18C

219

100

5.00

218

99.5

5.15

(98.3 – 100)

(4.40 – 5.69)

(97.5 – 100)

(4.43 – 5.97)

Serotype 19F

219

99.5

6.69

218

99.5

6.96

(97.5 – 100)

(6.04 – 7.41)

(97.5 – 100)

(6.26 – 7.73)

Serotype 23F

219

98.2

1.98

218

97.2

1.68

(95.4 – 99.5)

(1.76 – 2.23)

(94.1 – 99.0)

(1.49 – 1.90)

Cross-reactive serotypes

      

Serotype 6A

219

69.4

0.38

218

60.6

0.28

(62.8 – 75.4)

(0.32 – 0.45)

(53.7 – 67.1)

(0.23 – 0.33)

Serotype 19A

219

61.6

0.27

218

54.6

0.23

(54.9 – 68.1)

(0.23 – 0.31)

(47.7 – 61.3)

(0.20 – 0.27)

  1. ATP = according to protocol.
  2. Clin = group of infants from Malaysia and Singapore who received the Phase III Clinical lot of PHiD-CV in the primary vaccination phase.
  3. Com = group of infants from Malaysia and Singapore who received the Commercial lot of PHiD-CV in the primary vaccination phase.
  4. N = number of infants with available results.
  5. 95% CI = 95% confidence interval.
  6. GMC = geometric mean concentration.
  7. % = percentage of infants with antibody concentrations or OPA titres above the specified cut-off.