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High vs Standard Dose Flu Vaccine for Solid Organ Transplant Recipients
Study Summary
This trial is testing whether high-dose or standard-dose influenza vaccines are more effective in organ transplant recipients 1-11 months post-transplant.
Eligibility Criteria
Inclusion Criteria
You may be eligible if you check “Yes” for the criteria belowTimeline
Treatment Details
Study Objectives
Outcome measures can provide a clearer picture of what you can expect from a treatment.Trial Design
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Who is running the clinical trial?
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- You had a bad reaction to a flu shot in the past or have a severe allergy to eggs or egg products.I have an active HIV infection.I have received a solid organ transplant, such as a kidney, heart, or liver.I have had a lung or intestine transplant.I have had Guillain-Barre syndrome in the past.I can be contacted by phone, email, or text.I had an organ transplant between 1 and 12 months ago.I have received or plan to receive CMVIG/IVIG/SCIG between 28 days before and 84-126 days after my first vaccination.I had the flu after September 1st but before getting the study vaccine.Your platelet count must be less than 20,000 to get the vaccinations.People who have already received a transplant and need another one can participate.I am 18 years old or older.I have received this season's flu vaccine after my transplant.
- Group 1: Two Doses High Dose Quadrivalent Inactivated Influenza Vaccine
- Group 2: Two Doses Standard Dose Quadrivalent Inactivated Influenza Vaccine
- Group 3: One Dose High Dose Quadrivalent Inactivated Influenza Vaccine
- No Placebo-Only Group - All patients enrolled in this study will receive some form of active treatment.
- Screening: It may take up to 3 Weeks to process to see if you qualify in this trial.
- Treatment: The duration you will receive the treatment varies.
- Follow Ups: You may be asked to continue sharing information regarding the trial for 6 Months after you stop receiving the treatment.
Frequently Asked Questions
How does the safety profile of High Dose Quadrivalent Inactivated Influenza Vaccine compare to other similar treatments?
"Currently, there are 1 Phase 3 and 16 active clinical trials in total for the High Dose Quadrivalent Inactivated Influenza Vaccine. Trials for this vaccine are still recruiting patients at 17 different locations, including Stanford, California."
Has a clinical trial like this been conducted before?
"Since 2016, when the first trial for High Dose Quadrivalent Inactivated Influenza Vaccine was conducted, there has been significant global interest in this medication. After the initial study involving 42 individuals in 2016, which was sponsored by Pharmacyclics LLC., further Phase 2 trials received drug approval. Today, 16 live studies are being conducted across 11 cities and 3 countries."
Are researchers looking for more participants in this trial?
"Yes, this information is up to date. The clinical trial was first posted on February 2nd, 2021 and the most recent edit was done on May 27th, 2022."
How many people are the investigators hoping to enroll in this research project?
"The listings on clinicaltrials.gov show that this is an ongoing trial which began recruitment on February 2nd, 2021. The most recent update was made on May 27th, 2022. So far, 396 patients have been enrolled from 1 site."
What is the FDA's stance on High Dose Quadrivalent Inactivated Influenza Vaccine?
"While there is some data supporting the safety of High Dose Quadrivalent Inactivated Influenza Vaccine, it is still in Phase 2 of clinical trials and has not yet been proven effective. We rate its safety as a 2."
Who else is applying?
What portion of applicants met pre-screening criteria?
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