Publications by authors named "C M Kokron"
Safety of two-dose schedule of COVID-19 adsorbed inactivated vaccine (CoronaVac; Sinovac/Butantan) and heterologous additional doses of mRNA BNT162b2 (Pfizer/BioNTech) in immunocompromised and immunocompetent individuals.
Rev Inst Med Trop Sao Paulo
January 2025
Immunocompromised individuals were considered high-risk for severe disease due to SARS COV-2 infection. This study aimed to describe the safety of two doses of COVID-19 adsorbed inactivated vaccine (CoronaVac; Sinovac/Butantan), followed by additional doses of mRNA BNT162b2 (Pfizer/BioNTech) in immunocompromised (IC) adults, compared to immunocompetent/healthy (H) individuals. This phase 4, multicenter, open label study included solid organ transplant and hematopoietic stem cell transplant recipients, cancer patients and people with inborn errors of immunity with defects in antibody production, rheumatic, end-stage chronic kidney or liver disease, who were enrolled in the IC group.
View Article and Find Full Text PDFSelective IgM deficiency (SIgMD) has recently been included in the inborn errors of immunity classification. SIgMD has conflicting diagnostic criteria and diverse clinical and immunological findings. We aimed to assess the clinical and laboratory profiles of patients with SIgMD and to compare the data of patients diagnosed using two inclusion criteria.
View Article and Find Full Text PDFArticle Synopsis
- Ataxia-telangiectasia (AT) is a rare genetic disorder causing neurological issues, blood vessel irregularities, and a weakened immune system, particularly noted in Latin American patients.
- A study involving 218 patients revealed that the average age for symptoms and diagnosis is about 1 year and 5 years, respectively, with common recurrent airway infections linked to IgA deficiency.
- The study found a mean survival of 24.2 years, with a 20-year survival rate of 52.6%, and higher mortality rates in females and those with low IgG levels, highlighting the importance of assessing immune function in AT patients.
Article Synopsis
- The CDC and ACIP endorse COVID-19 vaccination for patients with inborn errors of immunity (IEI), but there's limited knowledge on its safety and impact on infection severity in these patients.
- A study involving a registry of 1,245 IEI patients across 24 countries was conducted to gather data on vaccination frequency, safety, and effectiveness, revealing that 64.7% were vaccinated, primarily with mRNA vaccines.
- Results showed that vaccinated patients had significantly lower hospitalization and ICU admission rates when infected with COVID-19, indicating that vaccination is both safe and effective in reducing the severity of the disease in IEI patients.
Bone Mineral Density is Related to CD4 T Cell Counts and Muscle Mass is Associated with B Cells in Common Variable Immunodeficiency Patients.
Endocr Metab Immune Disord Drug Targets
April 2024
Background: Common variable immunodeficiency (CVID) is a primary immunodeficiency characterized by chronic/recurrent respiratory infections, bronchiectasis, autoimmunity, inflammatory, gastrointestinal diseases and malignancies associated with a chronic inflammatory state and increased risk of osteoporosis and muscle loss.
Aim: The aim of this study was to evaluate bone mineral density (BMD), body composition and their relationship with lymphocyte subpopulations in CVID patients.
Methods: Dual-energy X-ray absorptiometry was performed to assess BMD, lean mass, and fat mass in CVID patients.