Clinical trials: Vaccination Failure
Vaccination Failure, Vaccine Response Impaired
Is a Third Dose of MMRV Vaccine Beneficial for the Adult Population in Alberta?
The current recommendation for a full course of measles-mumps-rubella-(varicella) vaccine (MMR(V)) is two doses. The problem is, many individuals within the vaccinated cohort show antibody levels that are below the level…
- Trial name
- NCT05923970
- Testing
- Serology for antibody levels - Baseline, Serology to assess cell mediated immune (CMI) response - Baseline, Serology for antibody levels - Post third dose of MMR vaccine
- Where
- Canada
- Volunteers
- 200 people
- Sponsor
- University of Alberta
Acquired Immune Deficiency Syndrome Virus
Exploring Novel Mechanisms of Vaccine Failure LAIV Pilot Study
Influenza ('flu) can cause severe infections, especially in people with weakened immune systems such as those with HIV. For this reason, yearly vaccination is recommended with the standard 'inactivated' influenza vaccine to try…
- Trial name
- LAIV (NCT02266992)
- Testing
- Live attenuated Vaccine- Fluenz Tretra
- Where
- United Kingdom
- Volunteers
- 28 people
- Sponsor
- Sheffield Teaching Hospitals NHS Foundation Trust
Immune System Disorder, Preterm
Preterm Immune System Development and Response to Immunization
In this study the response to vaccination and development of the immune system in very preterm infants upon the current vaccination schedule will be compared to healthy term infants.
- Conditions
- Immune System Disorder, Preterm, Vaccination Failure
- Trial name
- PRIMI (NCT05266664)
- Where
- 7 sites in Netherlands
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Cardiovascular Diseases, Influenza
Kaiser Permanente VACCination Improvement With Nudge-based CardiovAscular Targeted Engagement
In randomized clinical trials and observational studies, influenza vaccination is effective in reducing influenza-related illness and hospitalizations and potentially cardiovascular (CV) events and mortality in select…
- Conditions
- Cardiovascular Diseases, Influenza, Behavior, Social
- Trial name
- KP-VACCINATE (NCT06571747)
- Testing
- Cardiovascular-Focused Nudge Communication
- Where
- 2 sites in United States
- Volunteers
- 3,668,428 people, healthy volunteers welcome
- Sponsor
- Kaiser Permanente
Chronic Myeloproliferative Disorders, Leukemia
Flu Vaccine in Preventing Influenza Infection in Healthy Volunteers and in Patients Who Have Undergone Stem Cell Transplant
RATIONALE: Studying immune response to flu vaccine in patients who have undergone a stem cell transplant may help doctors plan the best treatment.
- Conditions
- Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm
- Trial name
- NCT00964821
- Testing
- trivalent influenza vaccine, Immunoenzyme technique, Laboratory biomarker analysis
- Where
- 2 sites in United States
- Volunteers
- 459 people, healthy volunteers welcome
- Sponsor
- City of Hope Medical Center
Hepatitis B, ESRD (End Stage Renal Disease)
Comparing Hepatitis B Vaccination Schedules in Patients on Hemodialysis
People with kidney failure who are on dialysis have a weaker immune response to the hepatitis B vaccine than healthy people. Even after vaccination, many dialysis patients do not develop enough protection against hepatitis B…
- Conditions
- Hepatitis B, ESRD (End Stage Renal Disease), Kidney Failure, Chronic
- Trial name
- 3v4-HEP-DOSE (NCT07784452)
- Testing
- Recombinant Hepatitis B Vaccine - 3-Dose Schedule, Recombinant Hepatitis B Vaccine - 4-Dose Schedule
- Where
- Pakistan
- Volunteers
- 104 people
- Sponsor
- Jinnah Hospital
Heart Failure
Timing of Influenza Vaccination in Patients With Heart Failure
Heart failure (HF) is one of the most common causes of hospital admission in Canada and costs the Canadian healthcare system over $1 billion annually.
- Trial name
- FLU-HF (NCT05507502)
- Testing
- Influenza vaccination administration
- Where
- Canada
- Volunteers
- 40 people
- Sponsor
- Abhinav Sharma
Acute Myeloid Leukemia, Acute Lymphoblastic Leukemia
Open-label Clinical Trial to Investigate the Safety and Tolerability of Allogeneic B-cell Concentrates for Immune Reconstitution After Allogeneic Stem Cell Transplantation Measured as Response to a Antedated Single Vaccination
The reconstitution of a functioning immune system after allogeneic stem cell transplantation takes months to years. Particularly memory B-lymphocytes reconstitute poorly with the current conditioning regimes.
- Conditions
- Acute Myeloid Leukemia, Acute Lymphoblastic Leukemia, Chronic Myeloid Leukemia, Non Hodgkin's Lymphoma
- Trial name
- B-cell therapy (NCT02007811)
- Testing
- allogeneic donor derived B-lymphocytes
- Where
- Germany
- Volunteers
- 15 people
- Sponsor
- University of Erlangen-Nürnberg Medical School
Mamma Carcinoma, Heart Failure
Response to Influenza Virus Vaccination in Patients Immunocompromised Due to Chemotherapy
Patients treated with chemotherapy or immunosuppressives are at higher risk of influenza infection and mortality and morbidity are higher compared to healthy adults.
- Trial name
- RIFLUVAC (NCT01000246)
- Testing
- influenza virus vaccine (influvac or vaxigrip)
- Where
- 8 sites in Netherlands
- Volunteers
- 50 people
- Sponsor
- St. Antonius Hospital
Cirrhosis, Liver, Vaccination Failure
Evaluation of Intradermal Hepatitis B Vaccine After IMIQUIMOD's Application, in Cirrhotics Who Did Not Respond to the Usual Vaccine Regimen
In a population of cirrhotics patients who did not responde to an anti-HBV vaccination according to the recommended vaccination, the goal is to : Describe the proportion of patients with HBs antibody levels greater than 10mUI/mL…
- Conditions
- Cirrhosis, Liver, Vaccination Failure, HBV, Vaccine Reaction
- Trial name
- IDMODVHB (NCT05028322)
- Testing
- IMIQUIMOD cream, HEPATITIS B SURFACE ANTIGEN
- Volunteers
- 60 people
- Sponsor
- Central Hospital, Nancy, France
Myocardial Infarction, Influenza, Human
Study on the Effect of Influenza Vaccination After Heart Attack on Future Cardiovascular Prognosis
Background. For more than a century a causal link between influenza and cardiovascular disease has been suspected. It is conceivable that influenza may precipitate plaque rupture, increase cytokines with central roles in plaque…
- Conditions
- Myocardial Infarction, Influenza, Human, Influenza Vaccines, Heart Failure
- Trial name
- IAMI (NCT02831608)
- Testing
- Influenza vaccine
- Where
- 29 sites in Australia, Bangladesh and 6 more
- Volunteers
- 2,571 people
- Sponsor
- Ole Frobert, MD, PhD