Clinical trials: Asplenia
Heterotaxy Syndrome
Defining Immunodeficiency in Heterotaxy Syndrome: Pilot Study Data
The investigators aim with this study is to investigate the mechanisms of immune deficiency in patients with heterotaxy syndrome through the use of novel biomarkers and a prospective questionnaire survey documenting the burden of…
- Trial name
- NCT01929967
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Boston Children's Hospital
Chronic Disease, Immunocompromised
Integrating Vaccination Into Hospital Care Pathways for Vulnerable Patients
AMBU-VAX is a prospective, single-center observational study designed to develop and implement an organizational model for delivering recommended vaccinations within a hospital setting.
- Conditions
- Chronic Disease, Immunocompromised, HIV Infection, Chronic Kidney Disease
- Trial name
- AMBU-VAX (NCT07391046)
- Testing
- Hospital-Based Vaccination Pathway
- Volunteers
- 1,500 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Meningococcal Disease
Safety and Immunogenicity of Novartis Meningococcal B Vaccine When Administered to Immunocompromised Children and Adolescents Compared to Healthy Subjects.
The study aims at evaluating the safety and immunogenicity of rMenB+OMV NZ when administered to subjects from 2 to 17 years of age with increased risk of meningococcal disease because either of primary or secondary complement…
- Trial name
- NCT02141516
- Testing
- rMenB+OMV
- Where
- 20 sites in Italy, Poland and 3 more
- Volunteers
- 239 people, healthy volunteers welcome
- Sponsor
- Novartis
Asplenia
Immunologic Response to Pneumococcal Polysaccharide Vaccine in Splenic Injury Patients
Persons without a spleen are susceptible to potentially lethal infections from certain bacteria, with pneumococcus being the most prevalent.
- Trial name
- NCT02232191
- Testing
- Pneumovax-23
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- University of California, Davis
Asplenia, β-thalassemia Major
B Memory Cell Response to Vaccination With the 13-valent Pneumococcal Conjugate Vaccine in Asplenic Individuals
The purpose of this study is to determine whether one dose of the 13-valent pneumococcal conjugate vaccine (PCV13) induces immunological memory in asplenic adults and whether previously administered immunizations with the…
- Trial name
- NCT01846923
- Testing
- PCV13
- Where
- Greece
- Volunteers
- 37 people
- Sponsor
- Aghia Sophia Children's Hospital of Athens
Splenectomy
Research Trial Assessing the Immunogenicity and Safety of Three Meningococcal B Vaccine Strategies Among Patients With Asplenia.
The purpose of the study is to evaluate the immunological response and tolerance of 3 vaccine strategies against meningococcus B, a potentially fatal invasive infection.
- Trial name
- SPLEMENGO (NCT04166656)
- Testing
- Trumenba®, Bexsero®
- Where
- France
- Volunteers
- 84 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Splenectomy; Status
A Nationwide Italian Survey on Asplenia
Spleen is involved in several functions, such as the production of protective antibodies, the removal of unwanted particulate matter from the blood (eg bacteria) and also the storing of blood cells, especially white cells and…
- Trial name
- NCT03571399
- Volunteers
- 1,400 people, healthy volunteers welcome
- Sponsor
- Società Italiana Talassemie ed Emoglobinopatie
Splenectomized Patients, Splenectomy
Evaluation of the Effectiveness of an Educational Intervention in Splenectomized Patients
The absence or dysfunction of the spleen is associated with a substantially increased risk of invasive infections that may rapidly progress to fulminant sepsis, including overwhelming post-splenectomy infection (OPSI), a medical…
- Conditions
- Splenectomized Patients, Splenectomy, Splenectomy; Status, Asplenia
- Trial name
- SPLE-VAC (NCT07354893)
- Testing
- Educational intervention for asplenic patients
- Where
- 2 sites in Italy
- Volunteers
- 100 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Meningococcal Vaccine
Trial to Describe the Safety, Tolerability, and Immunogenicity of Trumenba When Administered to Immunocompromised Participants ≥10 Years of Age
The aim of this study is to evaluate the safety, tolerability, and immunogenicity of 2 doses of Trumenba® (on a 0- and 6-month schedule) in immunocompromised participants by functionally assessing antibody production in asplenic…
- Trial name
- NCT04893811
- Testing
- Trumenba
- Where
- 14 sites in Czechia, Poland and 1 more
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Pfizer
Heterotaxy Syndrome, Congenital Heart Defects
Molecular Genetics of Heterotaxy and Related Congenital Heart Defects
The goal of this study is to obtain specimens and data from individuals and their families with heterotaxy and related congenital heart defects in order to clarify the molecular genetics of this disorder.
- Trial name
- NCT02432079
- Where
- United States
- Volunteers
- 2,000 people
- Sponsor
- Indiana University
Rare Disorders, Undiagnosed Disorders
Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford
The Coordination of Rare Diseases at Sanford (CoRDS) is an international patient registry that serves as a centralized resource for rare disease research.
- Conditions
- Rare Disorders, Undiagnosed Disorders, Disorders of Unknown Prevalence, Cornelia De Lange Syndrome
- Trial name
- CoRDS (NCT01793168)
- Where
- United States
- Volunteers
- 20,000 people
- Sponsor
- Sanford Health
Asplenia
Assessment of Complication Risk Factors in a French National Cohort of Asplenic Patients
Spleen could have been surgically removed for trauma, cancer, auto-immune disease, or to perform a diagnosis. Spleen could be non-functional due to radiotherapy or splenic artery embolism.
- Trial name
- SPLEEN (NCT04199403)
- Where
- 12 sites in France
- Volunteers
- 6,000 people
- Sponsor
- Poitiers University Hospital
Congenital Disorders
Racial Distribution of Heterotaxy Syndrome
Heterotaxy syndrome is a heterogeneous disease that is the result of a failure of normal right-left lateralization of the abdominal and thoracic organs during development.
- Trial name
- NCT00485654
- Where
- United States
- Volunteers
- 65 people
- Sponsor
- Children's Healthcare of Atlanta
Splenectomy; Status
Meningococcal B Vaccine in Patients with Asplenia
Patients without a spleen (asplenia) experience an increased risk for septicaemia from encapsulated bacteria, which is associated with a high mortality rate.
- Trial name
- NCT06025487
- Testing
- Bexsero
- Where
- Austria
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Splenectomy; Status, Asplenia
Development of an Italian Questionnaire for Splenectomized Patients Using a Delphi Consensus Method
This study aims to develop an Italian-language questionnaire assessing awareness, knowledge of infectious risk prevention strategies, and vaccination attitudes among splenectomized individuals.
- Conditions
- Splenectomy; Status, Asplenia, Splenectomized Patients
- Trial name
- NCT07428005
- Testing
- Delphi Consensus Process
- Where
- Italy
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS