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> Record changed: 2026-11-04

# Phase I Clinical Trial of a Candidate PCV13 in Healthy People

NCT05602480

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

Phase

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

Recruitment status

Unknown

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

Participants

264

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

Lead sponsor

Wuhan BravoVax Co., Ltd.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

Start date

2022-11-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

Number of sites

1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

## Title and summary

**Summary**

Streptococcus pneumoniae is a major cause of morbidity and mortality in children worldwide, resulting in up to 1 million pediatric deaths every year. Since the licensure of PCV7, PCV10, PCV13 and PCV15, the reported overall decline in invasive pneumococcal disease in hospitalized children younger than 5 years is approximately 60% around the world. This is a single center, blinded, randomized, positive-controlled phase I clinical trial to evaluate the safety and explore the immunogenicity of a candidate PCV13 in healthy people aged 2 months (minimum 6 weeks) and above.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Short title**

Phase I Clinical Trial of a Candidate PCV13 in Healthy People

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Official title**

Phase I Clinical Trial to Evaluate the Safety and Explore the Immunogenicity of a Candidate PCV13 in Healthy People Aged 2 Months (Minimum 6 Weeks) and Above

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

## Status and phase

**Control arm**

Active comparator

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Registry reports results**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Listing at source**

Listed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Recruitment status**

Unknown

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Phase**

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Study type**

Interventional

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

## Dates

**Completion date**

2024-12-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**First posted**

2022-11-02

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Registry last updated**

2022-11-17

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Primary completion date**

2024-06-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Start date**

2022-11-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

## Size and sites

**Participants**

264

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Participant count basis**

Estimated

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Planned participants**

264

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Protocol amendments**

2

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Number of sites**

1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

## Sponsor and oversight

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Lead sponsor**

Wuhan BravoVax Co., Ltd.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Source registry**

ClinicalTrials.gov

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

## Identifiers

**Registry ID**

NCT05602480

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**ClinicalTrials.gov ID**

NCT05602480

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

**Registry record**

Open registry record

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

## Study design

**Allocation**

Randomised

**Model**

Parallel groups

**Purpose**

Prevention

**Masking**

Quadruple masking

**Masking description**

One arm, open label in subjects aged 3 months and above; Randomized, blinded and active comparator in subjects aged 2 months.

**Masked roles**

Participants, Care providers, Investigators, Outcome assessors

Sources for study design

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

## Outcomes

### Primary outcomes

1. Safety in terms of adverse reactions  
Timeframe: within 30 minutes post each vaccination  
Occurrence of AEs on vaccination site (local) and non-vaccination site (systemic) of each subject
2. Safety in terms of adverse events  
Timeframe: within 7 days post each vaccination  
Occurrence of solicited AEs of each subject
3. Safety in terms of adverse events  
Timeframe: within 30 days post each vaccination  
Occurrence of non-solicited AEs of each subject
4. Safety in terms of SAEs  
Timeframe: within 6 months post last vaccination  
Occurrence of SAEs of each subject
5. Safety in terms of laboratory-based AEs  
Timeframe: within 4 days post each vaccination  
Occurrence of laboratory-based AEs in subjects of 2 years old and above(Arm 1A-3A)

### Secondary outcomes

1. Immunogencity in terms of seropositivity rates by ELISA  
Timeframe: 30 days post basic vaccination  
Seropositivity rates of serotype-specific pneumococcal IgG antibody in subjects of each age group
2. Immunogencity in terms of GMC by ELISA  
Timeframe: 30 days post basic vaccination  
GMC of serotype-specific pneumococcal IgG antibody in subjects of each age group
3. Immunogencity in terms of subjects with IgG concentrations ≥1.0 µg/mL  
Timeframe: 30 days post basic vaccination  
Percentage of subjects with serotype-specific IgG concentrations ≥1.0 µg/mL
4. Immunogencity Comparison with control vaccine group  
Timeframe: 30 days post basic vaccination  
Comparison of the seropositivity rates, GMC of serotype-specific pneumococcal IgG antibody and the Percentage of subjects with serotype-specific IgG concentrations ≥1.0 µg/mL in subjects aged 2 months of Experimental group and Control group

Sources for outcomes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

## Eligibility

**Sex**

All

**Age groups**

Children, Adults, Older adults

**Minimum age**

6 Weeks

**Healthy volunteers**

Yes

### Inclusion criteria

- Satisfy the age requirements of the clinical trial; willing to provide proof of identity;
- Subjects or guardians must provide informed consent forms with personal signature and date;
- Male and female of childbearing age should agree to take effective contraception measures;
- Subjects or guardians can obey the requirements of the clinical study;
- Axillary temperature below 37.3 °C.

### Exclusion criteria

- Laboratory indicators (expect those have no clinical significance) out of normal ranges required;
- Received any pneumococcal vaccine;
- Allergic history to any drugs, vaccine or vaccine-related component;
- Infants with congenital malformations, developmental disorders, genetic defects, or severe malnutrition;
- Infants diagnosed with pathological jaundice that lasts for 2\~4 weeks and occurs repeatedly;
- Breast-feeding or pregnant women, or positive U-HCG;
- High blood pressure uncontrolled by medication;
- Known or suspected immune deficiency or immune suppression;
- Serious congenital malformation, history of organ resection or serious chronic illness;
- Received blood products or intravenous immunoglobulin (except Hepatitis B immunoglobulin);
- History of clinic-proven or serology-proven infectious disease especially caused by streptococcus pneumoniae;
- History of convulsions, epilepsy or encephalopathy or a family history of mental illness;
- A vaccination-related contraindications that other investigator believes;
- Plans to participate in or is participating in any other clinical study;
- Any other factors judged by investigator that may interfere subject's compliance with the protocol.

Sources for eligibility

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

## Sites

- Xiangtan Maternal and Child Health HospitalXiangtan, ChinaRecruiting

Sources for sites

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602480)

## Related records

### Drugs (1)

- [Streptococcus pneumoniae polysaccharide conjugated to corynebacterium diphtheriae CRM197](https://trialight.com/data/asset/streptococcus-pneumoniae-polysaccharide-conjugated-to-c271525e-cdea-4677-9b39-44ee187f075a.md)

### Collaborators (2)

- Hunan Provincial Center for Disease Control and Prevention
- Liaoning Chengda Biotechnology CO., LTD

### Lead sponsors (1)

- [Wuhan BravoVax Co., Ltd.](https://trialight.com/data/company/wuhan-bravovax-co-ltd-0d9fa18f-db99-4abf-819c-88d96da2733d.md)

### Conditions (2)

- [Pneumococcal infection](https://trialight.com/data/condition/pneumococcal-infection-b3a7fc66-25ac-57f8-8fb4-073403fe8b1b.md) Primary condition
- [Streptococcal pneumonia](https://trialight.com/data/condition/streptococcal-pneumonia-d1520281-b2a3-5e88-8d11-bd868638431a.md)

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