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Safety, tolerability and immunogenicity of intradermal mRNA SARS-CoV2 vaccination in patients with Fibrodysplasia Ossificans Progressiva

Safety, tolerability and immunogenicity of intradermal mRNA SARS-CoV2 vaccination in patients with Fibrodysplasia Ossificans Progressiva - IVY

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON53330
Enrollment
10
Registered
2023-03-10
Start date
2023-07-28
Completion date
Unknown
Last updated
2025-08-18

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

Conditions

Fibrodysplasia ossificans progressiva FOP Stone man syndrome

Interventions

Participants will receive 3/3 µg Comirnaty Original/Omicron BA.4-5 vaccine followed by a second dose on day 28 through the intradermal route.

Sponsors

Vrije Universiteit Medisch Centrum
Lead Sponsor

Eligibility

Age
18 Years to 64 Years

Inclusion criteria

Inclusion criteria: • Fibrodysplasia ossificans progressiva as determined by confirmation of any causative genetic mutation in the ACVR1 gene • 18 years or older • Participants who are willing and able to comply with all scheduled visits, vaccination tests and other study procedure • Capable of giving personal signed consent as described in appendix 1, which includes compliance with the requirements and restrictions listed in the ICD and this protocol

Exclusion criteria

Exclusion criteria: • History of severe adverse reaction associated with a vaccine and/or severe allergic reaction (eg, anaphylaxis) to any component of the study intervention(s). • Receipt of medications intended to prevent SARS-CoV-2 infection. • Current clinical complaints consistent with SARS-CoV-2 infection (three or more of the following complaints: headache, loss of smell, sore throat, hoarseness, cough, chest pain, shortness of breath, fatigue, diarrhea, fever). • SARS-CoV-2 vaccination 6 months prior to participation. • Immunosuppressed individuals with known or suspected immunodeficiency, as determined by history. • Individuals with a history of autoimmune disease or an active autoimmune disease requiring therapeutic intervention. • SARS-CoV-2 PCR-positive EMA approved lateral flow test at the screening before receipt of fist vaccine dose • Receipt of any other non-study vaccine within 28 days, before first study dose. • Anticipated receipt of any other non-study vaccine within 28 days, after last study dose administration.

Design outcomes

Primary

MeasureTime frame
Nature, frequency and severity of local reactions. Solicited adverse events include: pain, redness and swelling at the injection site and pain and swelling at the regional lymph nodes Nature, frequency and severity of systemic events. Solicited adverse events include: flare-up, fever, fatigue, headache, chills, vomiting, diarrhoea, new or worsened muscle pain, and new or worsened joint pain. Use of corticosteroids, antipyretics and painkillers

Secondary

MeasureTime frame
• SARS-CoV 2 WT neutralising antibody titres rate on Day 1 and Day 43 • SARS-CoV-2-spike protein-specific binding IgG level on Day 1 and Day 43 • B-cell and T-cell responses on day 1 and day 43

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)