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Short term vaccine reactions due to mixing and matching of COVID-19 vaccines

Heterologous covid-19 vaccine intervention effect on reactogenicity

Status
Recruiting
Phases
Phase 4
Study type
Interventional
Source
SLCTR
Registry ID
SLCTR/2022/008
Enrollment
448
Registered
2022-04-05
Start date
2022-04-05
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Reactogenicity of vaccine

Interventions

Study setting: Public sector medical college Rawalpindi. Intervention of Ad5-nCoV and mRNA-1273 vaccine is planned . Name of vaccine administered: Ad5-nCoV and mRNA-1273 vaccine. Strength and volum

Sponsors

Public Sector Medical College, Rawalpindi
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: - Adults 18 years of age or older - Men and women - Healthy or with stable chronic medical conditions specifically including asthma, stable HIV, hepatitis B virus, or hepatitis C virus infection, will be eligible for participation in the trial while all rest comorbidities will be an exclusion. - Must have history of 2 times homologous vaccine intervention of BBIBP-CorV vaccine.

Exclusion criteria

Exclusion criteria: - People with known comorbidities (Diabetes, hypertension, heart diseases, chronic respiratory diseases like bronchiectasis, COPD etc) except those mentioned above in inclusion. - People who will have not received homologous vaccine two doses of BBIBP-CorV vaccine or those whose previous medical record of last 2 doses will be missing . - Difference between homologous vaccine and heterologous vaccine if less than 6 months - Pregnancy - History of flu or cough at that time - Medical history of COVID-19 at time of trial - On immunosuppressive therapy - Diagnosed with an immunocompromising condition

Design outcomes

Primary

MeasureTime frame
Number of participants with anaphylactic reactions ( 3 to 4 hour post vaccine) [3 to 4 hour post vaccine ] Number of participants with fever Number of participants with myalgia Number of participants with pain and redness at injection site Number of participants feeling cold Number of participants with dizziness Number of participants with paresthesia in arm Number of participants with lightheadedness (participants of point 2 to 8 will report back if they experience any of these symptoms or need any health service) [ 2- Participants of point 2 to 8 will report back if they experience any of these symptoms or need any health service) within first 7 days of giving vaccine] Number of participants with no reaction experienced or observed at all (after 7 days) they will all report back after 7 days to tell [No reaction experienced or observed at all after 7 days of vaccination ] Number of participants with dyspnea (till 3 to 4 hour) [ Till 3 to 4 hours post vaccination ] Number of participants with tachycardia (24 hours ) [ Till 24 hours post ]

Secondary

MeasureTime frame
None []

Countries

Pakistan

Contacts

Public ContactMs. Wajeha Najeeb

Student

wajehaamc@gmail.com+923330335060

Outcome results

None listed

Source: SLCTR (via WHO ICTRP) · Data processed: Aug 9, 2026