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Prevnar Side Effects, and Drug Interactions - Pneumococcal 7-valent Conjugate

Prevnar Side Effects, and Drug Interactions - Pneumococcal 7-valent Conjugate

SIDE EFFECTS

Pre-Licensure Clinical Trial Experience

The majority of the safety experience with Prevnar®comes from the NCKP Efficacy Trial in which 17,066 infants received 55,352 doses of Prevnar®, along with other routine childhood vaccines through April 1998 (see CLINICAL PHARMACOLOGY section). The number of Prevnar®recipients in the safety analysis differs from the number included in the efficacy analysis due to the different lengths of follow-up for these study endpoints. Safety was monitored in this study using several modalities. Local reactions and systemic events occurring within 48 hours of each dose of vaccine were ascertained by scripted telephone interview on a randomly selected subset of approximately 3,000 children in each vaccine group. The rate of relatively rare events requiring medical attention was evaluated across all doses in all study participants using automated databases. Specifically, rates of hospitalizations within 3, 14, 30, and 60 days of immunization, and of emergency room visits within 3, 14, and 30 days of immunization were assessed and compared between vaccine groups for each diagnosis. Seizures within 3 and 30 days of immunization were ascertained across multiple settings (hospitalizations, emergency room or clinic visits, telephone interviews). Deaths and SIDS were ascertained through April 1999. Hospitalizations due to diabetes, autoimmune disorders, and blood disorders were ascertained through August 1999.

In Tables 8 and 9 the rate of local reactions at the Prevnar®injection site is compared at each dose to the DTP or DTaP injection site in the same children.

TABLE 8 Percentage of Subjects Reporting Local Reactions Within 2 Days Following Immunization With Prevnar®and DTP-HbOC* Vaccines at 2, 4, 6, and 12-15 Months of Age 24,25

Reaction

Dose 1

Dose 2

Dose 3

Dose 4

Prevnar® Site

DTP-HbOC Site

Prevnar®Site

DTP-HbOC Site†

Prevnar®Site

DTP- HbOC Site†

Prevnar®Site

DTP- HbOC Site†

 

N=2890

N=2890

N=2725

N=2725

N=2538

N=2538

N=599

N=599

Erythema

Any

12.4

21.9

14.3

25.1

15.2

26.5

12.7

23.4

>2.4 cm

1.2

4.6

1.0

2.9

2.0

4.4

1.7

6.4

Induration

Any

10.9

22.4

12.3

23.0

12.8

23.3

11.4

20.5

>2.4 cm

2.6

7.2

2.4

5.6

2.9

6.7

2.8

7.2

Tenderness

Any

28.0

36.4

25.2

30.5

25.6

32.8

36.5

45.1

Interfered with limb movement

7.9

10.7

7.4

8.4

7.8

10.0

18.5

22.2

* If Hep B vaccine was administered simultaneously, it was administered into the same limb as the DTP-HbOC vaccine. If reactions occurred at either or both sites on that limb, the more severe reaction was recorded.

† p<0.05 when Prevnar®site compared to the DTP-HbOC site using the sign test.

 

TABLE 9 Percentage of Subjects Reporting Local Reactions Within 2 Days Following Immunization With Prevnar®* and DTaP Vaccines† at 2, 4, 6, and 12-15 Months of Age24,25

Reaction

Dose 1

Dose 2

Dose 3

Dose 4

   

Prevnar®Site

DtaP Site

Prevnar®Site

DtaP Site

Prevnar®Site

DtaP Site

Prevnar®Site

DtaP Site‡

   
   

N=693

N=693

N=526

N=526

N=422

N=422

N=165

N=165

Erythema

 

Any

10.0

6.7§

11.6

10.5

13.8

11.4

10.9

3.6§

 

2.4 cm

1.3

0.4§

0.6

0.6

1.4

1.0

3.6

0.6

Induration

               
 

Any

9.8

6.6§

12.0

10.5

10.4

10.4

12.1

5.5§

 

2.4 cm

1.6

0.9

1.3

1.7

2.4

1.9

5.5

1.8

Tenderness

 

Any

17.9

16.0

19.4

17.3

14.7

13.1

23.3

18.4

 

Interfered with limb movement

3.1

1.8§

4.1

3.3

2.9

1.9

9.2

8.0

* HbOC was administered in the same limb as Pneumococcal 7-valent Conjugate Vaccine (Diphtheria CRM197 Protein), Prevnar®. If reactions occurred at either or both sites on that

limb, the more severe reaction was recorded.

† If Hep B vaccine was administered simultaneously, it was administered into the same limb as DTaP. If reactions occurred at either or both sites on that limb, the more severe reaction was recorded.

‡ Subjects may have received DTP or a mixed DTP/DTaP regimen for the primary series. Thus, this is the 4th dose of a pertussis vaccine, but not a 4th dose of DTaP.

§ p<0.05 when Prevnar ®site compared to DTaP site using the sign test.

Table 10 presents the rates of local reactions in previously unvaccinated older infants and children.

TABLE 10 Percentage of Subjects Reporting Local Reactions Within 3 Days of Immunization With Prevnar® in Infants and Children from 7 Months Through 9 Years of Age 35

Age at 1st Vaccination

7 - 11 Mos.

12 - 23 Mos.

24-35 Mos.

36 - 59 Mos.

5 - 9 Yrs.

Study No.

118-12

118-16

118-9* 118-18

118-18

118-18

118-18

Dose Number

1

2

3†

1

2

3†

1

1

2

1

1

1

Number of Subjects

54

51

24

81

76

50

60

114

117

46

48

49

Reaction

Erythema

 

Any

16.7

11.8

20.8

7.4

7.9

14.0

48.3

10.5

9.4

6.5

29.2

24.2

 

>2.4 cm‡

1.9

0.0

0.0

0.0

0.0

0.0

6.7

1.8

1.7

0.0

8.3

7.1

Induration

                       
 

Any

16.7

11.8

8.3

7.4

3.9

10.0

48.3

8.8

6.0

10.9

22.9

25.5

 

>2.4 cm‡

3.7

0.0

0.0

0.0

0.0

0.0

3.3

0.9

0.9

2.2

6.3

9.3

Tenderness

 

Any

13.0

11.8

12.5

8.6

10.5

12.0

46.7

25.7

26.5

41.3

58.3

82.8

 

Interfered with limb movement§

1.9

2.0

4.2

1.2

1.3

0.0

3.3

6.2

8.5

13.0

20.8

39.4

* For 118-9, 2 of 60 subjects were ³24 months of age.

† For 118-12, dose 3 was administered at 15 - 18 mos. of age. For 118-16, dose 3 was administered at 12 - 15 mos. of age.

‡ For 118-16 and 118-18, ³2 cm.

§ Tenderness interfering with limb movement.

Tables 11 and 12 present the rates of systemic events observed in the efficacy study when Prevnar®was administered concomitantly with DTP or DTaP.

TABLE 11 Percentage of Subjects* Reporting Systemic Events Within 2 Days Following Immunization With Prevnar® or Control† Vaccine Concurrently With DTP-HbOC Vaccine at 2, 4, 6, and 12-15 Months of Age24,25

 

Reaction

Dose 1

Dose 2

Dose 3

Dose 4

   

Prevnar®

Control†

Prevnar®

Control†

Prevnar®

Control†

Prevnar®

Control†

   

N=2998

N=2982

N=2788

N=2761

N=2596

N=2591

N=709

N=733

Fever

               
 

³38.0°C

33.4

28.7‡

34.7

27.4‡

40.6

32.4‡

41.9

36.9

 

>39.0°C

1.3

1.3

3.0

1.6‡

5.3

3.4‡

4.5

4.5

Irritability

71.3

67.9‡

69.4

63.8‡

68.9

61.6‡

72.8

65.8‡

Drowsiness

49.2

50.6

32.5

33.6

25.9

23.4‡

21.3

22.7

Restless Sleep

18.1

17.9

27.3

24.3‡

33.3

30.1‡

29.9

28.0

DecreasedAppetite

24.7

23.6

22.8

20.3‡

27.7

25.6

33.0

27.4‡

Vomiting

17.9

14.9‡

16.2

14.4

15.5

12.7‡

9.6

6.8

Diarrhea

12.0

10.7

10.9

9.9

11.5

10.4

12.1

11.2

Urticaria-like Rash

0.7

0.6

0.8

0.8

1.4

1.1

1.4

0.8

* Approximately 90% of subjects received prophylactic or therapeutic antipyretics within 48 hours of each dose.

† Investigational meningococcal group C conjugate vaccine (MnCC).

‡ p<0.05 when Prevnar® compared to control group using a Chi-Square test.

 

TABLE 12 Percentage of Subjects* Reporting Systemic Events Within 2 Days Following Immunization With Prevnar®or Control† Vaccine Concurrently With DTaP Vaccine at 2, 4, 6, and 12-15 Months of Age 24,25

Reaction

Dose 1

Dose 2

Dose 3

Dose 4‡

   

Prevnar®

Control†

Prevnar®

Control†

Prevnar®

Control†

Prevnar®

Control†

   

N=710

N=711

N=559

N=508

N=461

N=414

N=224

N=230

Fever

               
 

³38.0°C

15.1

9.4§

23.9

10.8§

19.1

11.8§

21.0

17.0

 

>39.0°C

0.9

0.3

2.5

0.8§

1.7

0.7

1.3

1.7

Irritability

48.0

48.2

58.7

45.3§

51.2

44.8

44.2

42.6

Drowsiness

40.7

42.0

25.6

22.8

19.5

21.9

17.0

16.5

Restless Sleep

15.3

15.1

20.2

19.3

25.2

19.0§

20.2

19.1

Decreased Appetite

17.0

13.5

17.4

13.4

20.7

13.8§

20.5

23.1

Vomiting

14.6

14.5

16.8

14.4

10.4

11.6

4.9

4.8

Diarrhea

11.9

8.4§

10.2

9.3

8.3

9.4

11.6

9.2

Urticaria-like Rash

1.4

0.3§

1.3

1.4

0.4

0.5

0.5

1.7

* Approximately 75% of subjects received prophylactic or therapeutic antipyretics within 48 hours of each dose.

† Investigational meningococcal group C conjugate vaccine (MnCC).

‡ Most of these children had received DTP for the primary series. Thus, this is a 4th dose of a pertussis vaccine, but not of DTaP.

§ p0.05 when Prevnar® compared to control group using a Chi-Square test.

Table 13 presents results from a second study (Manufacturing Bridging Study) conducted at Northern California and Denver Kaiser sites, in which children were randomized to receive one of three lots of Pneumococcal 7-valent Conjugate Vaccine (Diphtheria CRM197 Protein),

Prevnar®, with concomitant vaccines including DTaP, or the same concomitant vaccines alone. Information was ascertained by scripted telephone interview, as described above.

TABLE 13 Percentage of Subjects* Reporting Systemic Reactions Within 3 Days Following Immunization With Prevnar® , DTaP, HbOC, Hep B, and IPV vs. Control† In Manufacturing Bridging Study 29

Reaction

Dose 1

Dose 2

Dose 3

 

Prevnar®

Control†

Prevnar®

Control†

Prevnar®

Control†

N=498

N=108

N=452

N=99

N=445

N=89

Fever

 

³38.0°C

21.9

10.2‡

33.6

17.2‡

28.1

23.6

 

>39.0°C

0.8

0.9

3.8

0.0

2.2

0.0

Irritability

59.7

60.2

65.3

52.5‡

54.2

50.6

Drowsiness

50.8

38.9‡

30.3

31.3

21.2

20.2

Decreased Appetite

19.1

15.7

20.6

11.1‡

20.4

9.0‡

* Approximately 72% of subjects received prophylactic or therapeutic antipyretics within 48 hours of each dose.

† Control group received concomitant vaccines only in the same schedule as the Prevnar®group (DTaP, HbOC at dose 1, 2, 3; IPV at doses 1 and 2; Hep B at doses 1 and 3).

‡ p<0.05 when Prevnar®compared to control group using Fisher’s Exact test.

Fever (³38.0°C) within 48 hours of a vaccine dose was reported by a greater proportion of subjects who received Prevnar®, compared to control (investigational meningococcal group C conjugate vaccine [MnCC]), after each dose when administered concurrently with DTP-HbOC or DTaP in the efficacy study. In the Manufacturing Bridging Study, fever within 48-72 hours was also reported more commonly after each dose compared to infants in the control group who received only recommended vaccines. When administered concurrently with DTaP in either study, fever rates among Prevnar®recipients ranged from 15% to 34%, and were greatest after the 2nd dose.

Table 14 presents the frequencies of systemic reactions in previously unvaccinated older infants and children.

TABLE 14 Percentage of Subjects Reporting Systemic Reactions Within 3 Days of Immunization With Prevnar®in Infants and Children from 7 Months Through 9 Years of Age35

Age at 1st Vaccination

7 - 11 Mos.

12 - 23 Mos

24 - 35 Mos.

36 - 59 Mos.

5 - 9 Yrs.

Study No.

118-12

118-16

118-9*

118-18

118-18

118-18

118-18

Dose Number

1

2

3†

1

2

3†

1

1

2

1

1

1

Number of Subjects

54

51

24

85

80

50

60

120

117

47

52

100

Reaction

Fever

³38.0°C

20.8

21.6

25.0

17.6

18.8

22.0

36.7

11.7

6.8

14.9

11.5

7.0

>39.0°C

1.9

5.9

0.0

1.6

3.9

2.6

0.0

4.4

0.0

4.2

2.3

1.2

Fussiness

29.6

39.2

16.7

54.1

41.3

38.0

40.0

37.5

36.8

46.8

34.6

29.3

Drowsiness

11.1

17.6

16.7

24.7

16.3

14.0

13.3

18.3

11.1

12.8

17.3

11.0

Decreased Appetite

9.3

15.7

0.0

15.3

15.0

30.0

25.0

20.8

16.2

23.4

11.5

9.0

* For 118-9, 2 of 60 subjects were ³24 months of age.

† For 118-12, dose 3 was administered at 15 - 18 mos. of age. For 118-16, dose 3 was administered at 12 - 15 mos. of age.

Of the 17,066 subjects who received at least one dose of Prevnar®in the efficacy trial, there were 24 hospitalizations (for 29 diagnoses) within 3 days of a dose from October 1995 through April 1998. Diagnoses were as follows: bronchiolitis (5); congenital anomaly (4); elective procedure, UTI (3 each); acute gastroenteritis, asthma, pneumonia (2 each); aspiration, breath holding, influenza, inguinal hernia repair, otitis media, febrile seizure, viral syndrome, well child/reassurance (1 each). There were 162 visits to the emergency room (for 182 diagnoses) within 3 days of a dose from October 1995 through April 1998. Diagnoses were as follows: febrile illness (20); acute gastroenteritis (19); trauma, URI (16 each); otitis media (15); well child (13); irritable child, viral syndrome (10 each); rash (8); croup, pneumonia (6 each); poisoning/ingestion (5); asthma, bronchiolitis (4 each); febrile seizure, UTI (3 each); thrush, wheezing, breath holding, choking, conjunctivitis, inguinal hernia repair, pharyngitis (2 each); colic, colitis, congestive heart failure, elective procedure, hives, influenza, ingrown toenail, local swelling, roseola, sepsis (1 each).24,25

In the large-scale efficacy study, urticaria-like rash was reported in 0.4%-1.4% of children within 48 hours following immunization with Prevnar®administered concurrently with other routine childhood vaccines. Urticaria-like rash was reported in 1.3%-6% of children in the period from 3 to 14 days following immunization, and was most often reported following the fourth dose when it was administered concurrently with MMR vaccine. Based on limited data, it appears that children with urticaria-like rash after a dose of Prevnar®may be more likely to report urticaria-like rash following a subsequent dose of Prevnar®.

One case of a hypotonic-hyporesponsive episode (HHE) was reported in the efficacy study following Prevnar®and concurrent DTP vaccines in the study period from October 1995 through April 1998. Two additional cases of HHE were reported in four other studies and these also occurred in children who received Prevnar®concurrently with DTP vaccine. 31,34

In the Kaiser efficacy study in which 17,066 children received a total of 55,352 doses of Prevnar®and 17,080 children received a total of 55,387 doses of the control vaccine

(investigational meningococcal group C conjugate vaccine [MnCC]), seizures were reported in 8 Prevnar®recipients and 4 control vaccine recipients within 3 days of immunization from October 1995 through April 1998. Of the 8 Prevnar®recipients, 7 received concomitant DTP-containing vaccines and one received DTaP. Of the 4 control vaccine recipients, 3 received concomitant DTP-containing vaccines and one received DTaP.24,25 In the other 4 studies combined, in which 1,102 children were immunized with 3,347 doses of Prevnar®and 408 children were immunized with 1,310 doses of control vaccine (either investigational meningococcal group C conjugate vaccine [MnCC] or concurrent vaccines), there was one seizure event reported within 3 days of immunization.32 This subject received Prevnar®concurrent with DTaP vaccine.

Twelve deaths (5 SIDS and 7 with clear alternative cause) occurred among subjects receiving Prevnar®, of which 11 (4 SIDS and 7 with clear alternative cause) occurred in the Kaiser efficacy study from October 1995 until April 20, 1999. In comparison, 21 deaths (8 SIDS, 12 with clear alternative cause and one SIDS-like death in an older child), occurred in the control vaccine group during the same time period in the efficacy study.24,25,29 The number of SIDS deaths in the efficacy study from October 1995 until April 20, 1999 was similar to or lower than the age and season-adjusted expected rate from the California State data from 1995-1997 and are presented in Table 15.

 

TABLE 15 Age and Season-Adjusted Comparison of SIDS Rates in the NCKP Efficacy Trial With the Expected Rate from the California State Data for 1995-1997 24,25

Vaccine

<One Week After Immunization

£Two Weeks After Immunization

£One Month After Immunization

£One Year After Immunization

 

Exp

Obs

Exp

Obs

Exp

Obs

Exp

Obs

Prevnar®

1.06

1

2.09

2

4.28

2

8.08

4

Control*

1.06

2

2.09

3†

4.28

3†

8.08

8†

* Investigational meningococcal group C conjugate vaccine (MnCC).

† Does not include one additional case of SIDS-like death in a child older than the usual SIDS age (448 days).

In a review of all hospitalizations that occurred between October 1995 and August 1999 in the efficacy study for the specific diagnoses of aplastic anemia, autoimmune disease, autoimmune hemolytic anemia, diabetes mellitus, neutropenia, and thrombocytopenia, the numbers of such cases were equal to or less than the expected numbers based on the 1995 Kaiser Vaccine Safety Data Link (VSD) data set.

Overall, the safety of Prevnar®was evaluated in a total of five clinical studies in the US in which 18,168 infants and children received a total of 58,699 doses of vaccine at 2, 4, 6, and 12-15 months of age. In addition, the safety of Prevnar®was evaluated in 831 Finnish infants using the same schedule, and the overall safety profile was similar to that in US infants. The safety of Prevnar®was also evaluated in 560 children from 4 ancillary studies in the US who started immunization at 7 months to 9 years of age. Tables 16 and 17 summarize systemic reactogenicity data within 2 or 3 days across 4,748 subjects in US studies (13,039 infant doses and 1,706 toddler doses) for whom these data were collected and according to the pertussis vaccine administered concurrently.

TABLE 16 Overall Percentage of Doses Associated With Systemic Events Within 2 or 3 Days For The US Efficacy Study and All US Ancillary Studies When Prevnar®Administered To Infants As a Primary Series at 2, 4, and 6 Months of Age24,25, 29,31,32,33

Systemic Event

Prevnar® Concurrently With DTP-HbOC(9,191 Doses)*

Prevnar® Concurrently With DTaP and HbOC(3,848 Doses)†

DTaP and HbOC Control(538 Doses)‡

Fever

 

³38.0°C

35.6

21.1

14.2

 

>39.0°C

3.1

1.8

0.4

Irritability

69.1

52.5

45.2

Drowsiness

36.9

32.9

27.7

Restless Sleep

25.8

20.6

22.3

Decreased Appetite

24.7

18.1

13.6

Vomiting

16.2

13.4

9.8

Diarrhea

11.4

9.8

4.4

Urticaria-like Rash

0.9

0.6

0.3

* Total from which reaction data are available varies between reactions from 8,874-9,191 doses. Data from studies 118-3, 118-7, 118-8.

† Total from which reaction data are available varies between reactions from 3,121-3,848 doses. Data from studies 118-8, 118-12, 118-16.

‡ Total from which reaction data are available varies between reactions from 295-538 doses. Data from studies 118-12 and 118-16.

 

TABLE 17 Overall Percentage of Doses Associated With Systemic Events Within 2 or 3 Days For The US Efficacy Study and All US Ancillary Studies When Prevnar® Administered To Toddlers as a Fourth Dose At 12 to 15 Months of Age 24,25,31

Systemic Event

Prevnar®Concurrently With DTP-HbOC (709 Doses)*

Prevnar®Concurrently With DTaP and HbOC (270 Doses) †

Prevnar®Only No Concurrent Vaccines (727 Doses)‡

Fever

 

³38.0°C

41.9

19.6

13.4

 

>39.0°C

4.5

1.5

1.2

Irritability

72.8

45.9

45.8

Drowsiness

21.3

17.5

15.9

Restless Sleep

29.9

21.2

21.2

Decreased Appetite

33.0

21.1

18.3

Vomiting

9.6

5.6

6.3

Diarrhea

12.1

13.7

12.8

Urticaria-like Rash

1.4

0.7

1.2

* Total from which reaction data are available varies between reactions from 706-709 doses. Data from study 118-8.

† Total from which reaction data are available varies between reactions from 269-270 doses. Data from studies 118-7 and 118-8.

‡ Total from which reaction data are available varies between reactions from 725-727 doses. Data from studies 118-7 and 118-8.

With vaccines in general, including Pneumococcal 7-valent Conjugate Vaccine (Diphtheria CRM197 Protein), PrevnarÒ, it is not uncommon for patients to note within 48 to 72 hours at or around the injection site the following minor reactions: edema; pain or tenderness; redness, inflammation or skin discoloration; mass; or local hypersensitivity reaction. Such local reactions are usually self-limited and require no therapy.

As with other aluminum-containing vaccines, a nodule may occasionally be palpable at the injection site for several weeks.42

Postmarketing Experience

Additional adverse reactions identified from postmarketing experience are listed below:

Administration site conditions: injection site dermatitis, injection site urticaria, injection site pruritus

Blood and lymphatic system disorders: lymphadenopathy localized to the region of the injection site

Immune system disorders: hypersensitivity reaction including face edema, dyspnea, bronchospasm; anaphylactic/anaphylactoid reaction including shock

Skin and subcutaneous tissue disorders: angioneurotic edema, erythema multiforme

There have been spontaneous reports of apnea in temporal association with the administration of Prevnar. In most cases Prevnar was administered concomitantly with other vaccines including diphtheria tetanus pertussis vaccine (DTP), diphtheria tetanus acellular pertussis vaccine (DTaP), hepatitis B vaccines, inactivated polio vaccine (IPV), Haemophilus influenzae type b vaccine (Hib), measles-mumps-rubella vaccine (MMR), and/or varicella vaccine. In addition, in most of the reports existing medical conditions such as history of apnea, infection, prematurity, and/or seizure were present.

ADVERSE EVENT REPORTING

Any suspected adverse events following immunization should be reported by the healthcare professional to the US Department of Health and Human Services (DHHS). The National Vaccine Injury Compensation Program requires that the manufacturer and lot number of the vaccine administered be recorded by the healthcare professional in the vaccine recipient’s permanent medical record (or in a permanent office log or file), along with the date of administration of the vaccine and the name, address, and title of the person administering the vaccine.

The US DHHS has established the Vaccine Adverse Event Reporting System (VAERS) to accept all reports of suspected adverse events after the administration of any vaccine including, but not limited to, the reporting of events required by the National Childhood Vaccine Injury Act of 1986. The FDA web site is: http://www.fda.gov/cber/vaers/vaers.htm.

The VAERS toll-free number for VAERS forms and information is 800-822-7967.43

DRUG INTERACTIONS

Children receiving therapy with immunosuppressive agents (large amounts of corticosteroids, antimetabolites, alkylating agents, cytotoxic agents) may not respond optimally to active immunization.37,38,40,41 (See PRECAUTIONS, General.)

As with other intramuscular injections, Prevnar® should be given with caution to children on anticoagulant therapy.

Simultaneous Administration with Other Vaccines

During clinical studies, Prevnar®was administered simultaneously with DTP-HbOC or DTaP and HbOC, OPV or IPV, Hep B vaccines, MMR, and Varicella vaccine. Thus, the safety experience with Prevnar® reflects the use of this product as part of the routine immunization schedule.24,25,29,31,32,34

The immune response to routine vaccines when administered with Prevnar®(at separate sites) was assessed in 3 clinical studies in which there was a control group for comparison. Results for the concurrent immunizations in infants are shown in Table 6 and for toddlers in Table 7. Enhancement of antibody response to HbOC in the infant series was observed. Some suppression of Haemophilus influenzae type b (Hib) response was seen at the 4th dose, but over 97% of children achieved titers ³1 mg/mL. Although some inconsistent differences in response to pertussis antigens were observed, the clinical relevance is unknown. The response to 2 doses of IPV given concomitantly with Prevnar®, assessed 3 months after the second dose, was equivalent to controls for poliovirus Types 2 and 3, but lower for Type 1. MMR and Varicella immunogenicity data from controlled clinical trials with concurrent administration of Prevnar®are not available.

TABLE 6 Concurrent Administration of Prevnar®With Other Vaccines to Infants in Non-Efficacy Studies 29,32

Antigen*

GMC*

% Responders†

Study

Vaccine Schedule‡

N

 
 

Prevnar®

Control§

Prevnar®

Control§

 

(mo.)

Prevnar®

Control§

Hib

6.2

4.4

99.5, 88.3

97.0, 88.1

118-12

2, 4, 6

214

67

Diphtheria

0.9

0.8

100

97.0

       

Tetanus

3.5

4.1II

100

100

       

PT

19.1

17.8

74.0

69.7

       

FHA

43.8

46.7

66.4

69.7

       

Pertactin

40.1

50.9

65.6

77.3

       

Fimbriae 2

3.3

4.2

44.7

62.5ll

       

Hib

11.9

7.8 ll

100, 96.9

98.8, 92.8

118-16

2, 4, 6

159

83

Hep B

--

--

99.4

96.2

118-16

0, 2, 6

156

80

IPV Type 1

--

--

89.0

93.6Ά

118-16

2, 4

156

80

 

Type 2

--

--

94.2

93.6

       
 

Type 3

--

--

83.8

80.8

       

* Hib vaccine was HibTITER®, DTaP vaccine was Acel-Imune®. Hib (mg/mL); Dip, Tet (IU/mL); Pertussis Antigens (PT, FHA, Ptn, Fim) (units/mL).

† Responders Hib (³ 0.15 mg/mL, ³1.0 mg/mL); Dip, Tet (³0.1 IU/mL); Pertussis Antigens (PT, FHA, Ptn, Fim) [4-fold rise]; IPV (³1:10); Hep B (³ 10 mIU/mL).

‡ Schedule for concurrently administered vaccines; Pneumococcal 7-valent Conjugate Vaccine (Diphtheria CRM197 Protein), Prevnar®administered at 2, 4, 6 mos.; blood for antibody assessment attained 1 month after third dose, except for IPV (3 months post-immunization).

§ Concurrent vaccines only.

ll p<0.05 when Prevnar®compared to control group using the following tests: ANCOVA for GMCs in 118-12; ANOVA for GMCs in 118-16; and Fisher’s Exact test for % Responders in 118-12.

Ά Lower bound of 90% CI of difference >10%.

 

TABLE 7 Concurrent Administration of Prevnar®With Other Vaccines to Toddlers in a Non-Efficacy Study 31

Antigen*

GMC*

% Responders†

Study‡

Vaccine Schedule§

N

 

Prevnar®

Controlll

Prevnar®

Controlll

(mo.)

Prevnar®

Controlll

Hib

22.7

47.9Ά

100, 97.9

100, 100

118-7

12-15

47

26

Diphtheria

2.0

3.2Ά

100

100

Tetanus

14.4

18.8

100

100

PT

68.6

121.2Ά

68.1

73.1

FHA

29.0

48.2Ά

68.1

84.6

Pertactin

84.4

83.0

83.0

96.2

Fimbriae 2

5.2

3.8

63.8

50.0

* Hib vaccine was HibTITER®, DTaP vaccine was Acel-Imune®. Hib (mg/mL); Dip, Tet (IU/mL); Pertussis Antigens (PT, FHA, Ptn, Fim) (units/mL).

† Responders = Hib (³0.15 mg/mL, ³1.0 mg/mL); Dip, Tet (³0.1 IU/mL); Pertussis Antigens (PT, FHA, Ptn, Fim) [4-fold rise].

‡ Children received a primary series of DTP-HbOC (Tetramune®).

§ Blood for antibody assessment obtained 1 month after dose.

ll Concurrent vaccines only.

Ά p<0.05 when Prevnar®compared to control group using a two-sample t-test.

 

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