Not applicableStudy completedNCT03571399What this trial is testingA Nationwide Italian Survey on AspleniaWho this might be right forSplenectomy; Status Società Italiana Talassemie ed Emoglobinopatie 1,400
Large-scale testing (Phase 3)Study completedNCT02141516What this trial is testingSafety and Immunogenicity of Novartis Meningococcal B Vaccine When Administered to Immunocompromised Children and Adolescents Compared to Healthy Subjects.Who this might be right forMeningococcal Disease Novartis 239
Post-approval studies (Phase 4)UnknownNCT01846923What this trial is testingB Memory Cell Response to Vaccination With the 13-valent Pneumococcal Conjugate Vaccine in Asplenic IndividualsWho this might be right forAspleniaβ-thalassemia Major Aghia Sophia Children's Hospital of Athens 37
Testing effectiveness (Phase 2)Looking for participantsNCT02232191What this trial is testingImmunologic Response to Pneumococcal Polysaccharide Vaccine in Splenic Injury PatientsWho this might be right forAsplenia University of California, Davis 75
Not applicableNot Yet RecruitingNCT07391046What this trial is testingIntegrating Vaccination Into Hospital Care Pathways for Vulnerable PatientsWho this might be right forChronic DiseaseImmunocompromisedHIV Infection+8 more Fondazione Policlinico Universitario Agostino Gemelli IRCCS 1,500
Testing effectiveness (Phase 2)Looking for participantsNCT06025487What this trial is testingMeningococcal B Vaccine in Patients with AspleniaWho this might be right forSplenectomy; Status Medical University of Vienna 80
Not applicableLooking for participantsNCT02432079What this trial is testingMolecular Genetics of Heterotaxy and Related Congenital Heart DefectsWho this might be right forHeterotaxy SyndromeCongenital Heart Defects Indiana University 2,000
Post-approval studies (Phase 4)Study completedNCT04893811What this trial is testingTrial to Describe the Safety, Tolerability, and Immunogenicity of Trumenba When Administered to Immunocompromised Participants ≥10 Years of AgeWho this might be right forMeningococcal Vaccine Pfizer 53
Not applicableLooking for participantsNCT04199403What this trial is testingAssessment of Complication Risk Factors in a French National Cohort of Asplenic PatientsWho this might be right forAsplenia Poitiers University Hospital 6,000
Not applicableStudy completedNCT01929967What this trial is testingDefining Immunodeficiency in Heterotaxy Syndrome: Pilot Study DataWho this might be right forHeterotaxy Syndrome Boston Children's Hospital 10
Not applicableLooking for participantsNCT07354893What this trial is testingEvaluation of the Effectiveness of an Educational Intervention in Splenectomized PatientsWho this might be right forSplenectomized PatientsSplenectomySplenectomy; Status+1 more Fondazione Policlinico Universitario Agostino Gemelli IRCCS 100
Not applicableLooking for participantsNCT01793168What this trial is testingRare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at SanfordWho this might be right forRare DisordersUndiagnosed DisordersDisorders of Unknown Prevalence+340 more Sanford Health 20,000
Large-scale testing (Phase 3)Looking for participantsNCT04166656What this trial is testingResearch Trial Assessing the Immunogenicity and Safety of Three Meningococcal B Vaccine Strategies Among Patients With Asplenia.Who this might be right forSplenectomy Assistance Publique - Hôpitaux de Paris 84
Not applicableEnded earlyNCT00485654What this trial is testingRacial Distribution of Heterotaxy SyndromeWho this might be right forCongenital Disorders Children's Healthcare of Atlanta 65