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28 recruiting in GA
Recruiting

Cytomegalovirus (CMV) Vaccine in Orthotopic Liver Transplant Candidates

Liver Transplant

This is a multi-center clinical trial in Cytomegalovirus (CMV) seronegative prospective liver transplant recipients to determine the efficacy of two doses of Cytomegalovirus-Modified Vaccinia Ankara (CMV-MVA) Triplex CMV vaccine pre-transplant. The primary objective is to assess the effect of pre-transplant (Tx) Triplex vaccination on duration of CMV antiviral therapy (AVT) within the first 100 days post-Tx in CMV seropositive donor (D+) and seronegative (R-) (D+R-) liver transplant recipients (LTxRs). A protocol-mandated preemptive therapy (PET) will be used for CMV disease prevention in D+R- LTxRs.

Atlanta, GA18+ yrsAll genders
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Study of a Single Dose of a 21-valent Pneumococcal Conjugate Vaccine in Children and Adolescents With Sickle Cell Disease

Sickle Cell Disease

The purpose of this study is to measure whether PCV21 vaccine (investigational pneumococcal vaccine) is safe and can help the body to develop germ-fighting agents called "antibodies" (immunogenicity) compared with 20vPCV (licensed pneumococcal vaccine) when given as a single dose to children aged 2 to 17 years with sickle cell disease who had received or not a previous vaccination with pneumococcal conjugate or pneumococcal polysaccharide vaccine.

Atlanta, GA2–17 yrsAll genders
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Personalized Vaccine Immunotherapy in Combination With Checkpoint Inhibitor for Treatment of Triple Negative Breast Cancer

Anatomic Stage I Breast Cancer AJCC v8 · Anatomic Stage IA Breast Cancer AJCC v8 · Anatomic Stage IB Breast Cancer AJCC v8

This phase I trial tests the safety, side effects, and best dose of a personalized vaccine (tumor membrane vesicle or TMV vaccine) by itself and in combination with checkpoint inhibitor (pembrolizumab or ipilimumab) in treating patients with triple negative breast cancer. This vaccine is made by taking a piece of patient's triple negative breast cancer to design a vaccine to stimulate the immune system's memory. Patients are treated with the personalized vaccine immunotherapy with or without monoclonal antibodies, such as pembrolizumab and ipilimumab. This approach may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Giving personalized TMV vaccine with pembrolizumab or ipilimumab may help the immune system attack cancer better and reduce the risk of this breast cancer coming back or growing.

Atlanta +more, GA18+ yrsAll genders
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A Vaccine Promotion Package (TweenVax) to Improve Adolescent HPV Vaccination, TweenVax Trial

Human Papillomavirus-Related Carcinoma

This clinical trial compares the effect of a vaccine promotional intervention, TweenVax, to standard of care vaccination promotion practices on rates of human papillomavirus (HPV) vaccination in adolescents. HPV vaccination has been identified as a priority for cancer prevention and control by the Cancer Moonshot Blue Ribbon Panel, which estimated that increasing HPV vaccination rates can prevent 400,000 HPV-related cancers in the next 5-10 years. The goal is for HPV vaccinations to be completed by the age of 13. It has been estimated that only about 16% of adolescents were fully up to date with HPV vaccines by age 13. Strong and consistent provider recommendations have been shown to play an important role in the uptake of vaccines. In addition, education and information received by parents may improve the strength of recommendations by providers. The TweenVax intervention includes practice, provider, parent and patient level education to teach best practices, help with vaccine messaging, and give correct and easy to understand information to parents. Providing practice, provider and parent level access to TweenVax may be more effective than current vaccine promotion practices in improving HPV vaccination rates in adolescents.

Atlanta, GA9+ yrsAll genders
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A Study to Learn About mRNA Vaccines Against Influenza in Adults

Healthy Adults

The purpose of this study is to learn about safety in participants taking the study vaccine (mRNA-based vaccine) and the ability of the study vaccine to trigger the body's immune response, targeting the flu virus (influenza virus). This study is seeking healthy participants 18 years of age or older. All participants in this study will receive only 1 dose in their arm, to deliver one of the experimental flu vaccines or one of the approved flu vaccines used for comparison. Participants will take part in this study for about 6 months, and participants will need to visit the study site at least 3 times. A blood sample will be taken at each of the 3 planned study visits and a swab from inside the nose will be taken at the first study visit.

Stockbridge, GA18+ yrsAll genders
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Screening Volunteers for Clinical Trials

Screening

Background: \- The National Institute of Allergy and Infectious Diseases (NIAID) at the National Institutes of Health needs healthy volunteers for vaccine clinical trials. This is a screening study that is used to identify healthy volunteers who may be eligible to participate in other clinical trials at the Vaccine Research Center that evaluate investigational vaccines, monoclonal antibodies, and injection devices. The VRC conducts studies that will allow researchers to better understand the immune system and how vaccines and monoclonal antibodies work. Objectives: \- To screen healthy volunteers for clinical trials at the NIAID VRC. Eligibility: \- Healthy people between 18 and 60 years of age. They must be available to take part in clinical trials and be able to provide blood for research studies. Design: * Screening for healthy volunteers to participate in clinical trials is an ongoing process. * Volunteers will be asked about their medical history, including sexual activity and drug use, and a detailed physical exam will be performed. * Blood and urine samples may be collected, and possibly other tests as needed to evaluate the volunteer's health status. * Volunteers will not receive any investigational product in this screening protocol.

Atlanta, GA18–60 yrsAll genders
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Shingrix in Renal Transplant Recipients

Kidney Transplant Recipient Response to Shingrix Vaccine · Kidney Failure · Kidney Failure, Chronic

The goal of this clinical trial is to learn how well the shingles vaccine (Shingrix) works and how safe it is in adults with kidney failure who are waiting for a kidney transplant, including those who later receive a transplant. The study also aims to find out whether giving an extra (third) dose of the vaccine after transplant improves protection. The main questions it aims to answer are: How strong is the body's immune response to the vaccine at different time points (about 1 month, 2 years, and 3 years after vaccination) in people waiting for a kidney transplant? Does a third dose of the vaccine after transplant improve the immune response compared to not receiving a third dose? How long does protection from the vaccine last before and after transplant? How safe is the vaccine in this group, including whether it affects transplant-related immune markers? Researchers will compare people who receive a third dose of the vaccine after transplant to those who do not receive a third dose, as well as to results from similar groups studied in the past, to see if the extra dose improves immune protection. Participants will: Be screened to see if they can take part in the study Attend about 3 to 6 study visits over approximately 30 to 37 months Receive two doses of the shingles vaccine if they have not already been vaccinated, or complete study assessments if they were vaccinated before joining If they receive a kidney transplant during the study, be randomly assigned (by chance) to receive either a third dose of the vaccine or no additional dose Complete questionnaires, have physical exams if needed, and provide blood (and urine, if applicable) samples at study visits Take part in follow-up visits to check immune response and safety, with the option to allow samples to be stored for future research Shingrix is approved for adults aged 50 and older and for younger adults with weakened immune systems. However, giving a third dose after a kidney transplant is not standard practice and is being studied in this trial.

Atlanta, GA18–70 yrsAll genders
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A Study to Learn About How 20-Valent Pneumococcal Conjugate Vaccine Works in a Real-world Setting

Pneumonia

The purpose of this study is to learn about how well the 20-valent pneumococcal conjugate vaccine (20vPnC) works against radiologically-confirmed community-acquired pneumonia (RAD+CAP) due to the 7 new serotypes (types of a bacteria called Streptococcus pneumoniae that cause pneumonia) included in 20vPnC vaccine. This study is seeking participants who: * are male or female ≥65 years of age. * are hospitalized with physician suspicion of community acquired pneumonia (CAP). * have pneumonia confirmed with imaging like a chest x-ray Participants will be asked to provide demographic and medical history information, and to provide a urine sample that will be used to test for pneumonia caused by specific strains of a bacteria called Streptococcus pneumoniae. We will compare the proportion of participants who have pneumonia caused by specific strains of the bacteria Streptococcus pneumoniae and were previously vaccinated with 20vPnC with the proportion of participants who have pneumonia caused by something other than vaccine type Streptococcus pneumoniae and have been vaccinated with 20vPnC. Participants will actively take part in the study for about 1-2 days. Information on participant's illness and hospitalization details will be collected through day 30 of their hospitalization through medical chart review.

Atlanta, GA65+ yrsAll genders
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Study to Evaluate Safety, Efficacy and Immunogenicity of Acne mRNA Vaccine in Adults With Moderate to Severe Acne

Acne

The purpose of the trial is to evaluate the safety, efficacy and immunogenicity of up to 3 intramuscular injections of the Acne mRNA vaccine candidate at up to four dose levels in adult participants aged 18 to 45 years with moderate to severe acne. This trial will consist of a Core Study followed by an optional Long-Term Extension (LTE). The Core Study will consist of: * Two cohorts evaluating the 2-administration regimen (Cohorts A): Sentinel Cohort A and Main Cohort A. * Two cohorts evaluating the 3-administration regimen (Cohorts B): Sentinel Cohort B and Main Cohort B. Participants from Sentinel Cohorts A and B and from Main Cohort A will be invited to an additional 30-month follow up after completing their last planned Core Study visit to assess the long-term effects of the vaccine. Participants from Main Cohort B will be invited to another LTE study managed through a separate protocol.

Decatur, GA18–45 yrsAll genders
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MenB-FHbp or MenACWY-TT/MenB-FHbp Vaccine in MenB-4C Primed Young Adults

Neisseria Meningitidis

The goal of this clinical trial is to determine the immunogenicity of certain vaccines in protecting against meningitis B (MenB) in young adults who have previously received a different MenB vaccine. The main questions it aims to answer are: * How many participants are protected against four key types of MenB bacteria before and after getting the new vaccine? * How strong is the immune response after vaccination, and how many people show a noticeable boost in immune response?

Atlanta, GA18–25 yrsAll genders
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A Study to Learn About the Safety of an Expanded Pneumococcal Vaccine in Healthy Infants

Pneumococcal Disease

The purpose of this study is to learn about the safety of a new pneumococcal vaccine and how the new pneumococcal vaccine helps to fight against germs that can cause pneumonia (lung infections), meningitis (brain infections), and otitis media (ear infections) in infants when compared to the pneumococcal vaccine that is currently in use, 20vPnC (Prevnar 20®). This study will test if the new pneumococcal vaccine is as safe as the one that is currently in use. This new vaccine can possibly provide additional protection against germs that cause pneumococcal disease that are not included in the vaccines that are currently given to infants. Pneumococcal disease includes a variety of infections caused by a specific germ, Streptococcus pneumoniae. There are two groups in this study. All participants will be assigned to one of the two groups. This study is seeking participants who are: \- infants who are about 2 months of age About 2400 infants will be assigned by chance to one of the two groups to receive either PG4 (new vaccine) or 20vPnC (currently in use) into the left thigh muscle at 2, 4, 6, and 12 to 15 months of age. Infants will take part in this study for about 16 to 19 months (about 1 and a half years). During this time, infants will have 6 study clinic visits and 1 phone call. At these study clinic visits, parent(s)/legal guardian(s) will be asked if the infant experienced any side effects. A side effect is an unintentional or unexpected reaction to a vaccine.

Union City, GA0–0 yrsAll genders
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Durability of Vaccine Responses

Vaccine Response

The ability of the vaccines today to generate a long-lasting protection against infections varies greatly from one vaccine to another. The yellow fever vaccine (YF-17D) is one of the most successful vaccines ever developed, having been administered to over 600 million people globally. A single vaccination is known to induce durable protection over several decades. In contrast, the quadrivalent influenza vaccine (QIV) generates an immunity that wanes quickly with no long-lasting protection. Currently, the duration of immune protection for new vaccines is difficult to predict during vaccine product development and can only be ascertained by a "wait and see" approach. This is due, in part, to the fact that some of the signals that activate a durable immune system protection remain unknown. This study aims to provide a better understanding of this problem by vaccinating willing participants with either the FDA-approved yellow fever vaccine or the quadrivalent influenza vaccine and collecting baseline and follow-up biologic samples to compare how the immune system reacts.

Atlanta, Decatur +more, GA18–50 yrsAll genders
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A Safety and Immunogenicity Trial of OCU500, ChAd36 Vector Encoding SARS-CoV-2 Spike Vaccine Via Intranasal and Inhalational Routes in Previously Vaccinated Adults

COVID-19

This phase 1 randomized, open-label, dose-escalation clinical trial evaluates the safety and immunogenicity of OCU500, a ChAd36 Vector Encoding SARS-CoV-2 Spike Vaccine, in healthy adults aged 18-64 who previously completed a primary COVID-19 vaccination series and at least one booster. The study evaluates two dose levels (1×10\^10 viral particles (VP) and 5×10\^10 VP) and two routes of administration (intranasal and inhaled). The trial includes 80 participants across four study arms (20 per arm). The primary objective is to evaluate the safety and reactogenicity of a single dose of OCU500 administered in previously vaccinated healthy adults.

Decatur, GA18–64 yrsAll genders
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A Vaccine (CMV-MVA Triplex Vaccine) for the Enhancement of CMV-Specific Immunity and the Prevention of CMV Viremia in Patients Undergoing Haploidentical Hematopoietic Stem Cell Transplant

Accelerated Phase Chronic Myeloid Leukemia, BCR-ABL1 Positive · Acute Lymphoblastic Leukemia · Acute Myeloid Leukemia

This phase Ib trial tests the safety, side effects, and how well cytomegalovirus (CMV)-modified vaccinia Ankara (MVA) Triplex vaccine works in enhancing CMV-specific immunity and preventing CMV viremia in patients undergoing haploidentical hematopoietic stem cell transplant. Haploidentical stem cell transplantation (haploHCT) has advanced to become the predominant procedure for patients lacking a matched donor. Compared to matched related donor transplants, the rate of significant CMV infection is higher in patients undergoing a haploHCT. Significant CMV infection is associated with an increased risk of complications and death. Vaccination is the main preventative approach to limit complications and death in immunocompromised patients at high risk of post-stem cell transplant infections. CMV-MVA Triplex vaccine, is a CMV vaccine based on the attenuated poxvirus, modified vaccinia Ankara (MVA), developed to enhance CMV-specific immunity in both healthy stem cell transplant donors and stem cell transplant patients to prevent significant CMV infection post-stem cell transplant. Giving CMV-MVA triplex vaccine may be safe, tolerable and/or effective in enhancing cytomegalovirus (CMV)-specific immunity and preventing CMV viremia in patients undergoing a haploHCT.

Atlanta, GA18–75 yrsAll genders
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A Study to Learn About How a New Pneumococcal Vaccine Works in Infants.

Pneumococcal Disease

The purpose of this study is to learn about the safety of a new pneumococcal vaccine and how the new pneumococcal vaccine helps to fight against germs that can cause pneumonia (lung infections), meningitis (brain infections), and otitis media (ear infections) in infants when compared to the pneumococcal vaccine that is currently in use, 20vPnC (Prevnar 20®). This study will test if the new pneumococcal vaccine is as safe as the one that is currently in use. It will also assess how the new vaccine works in comparison to the one that is currently in use when given with other childhood vaccines. To measure how the new pneumococcal vaccine compares to the current one, blood samples will be used to measure the body's ability to create proteins to fight those germs. This new vaccine can possibly provide additional protection against germs that cause pneumococcal disease that are not included in the vaccines that are currently given to infants. Pneumococcal disease includes a variety of infections caused by a specific germ, Streptococcus pneumoniae. There are three groups in this study. All participants will be assigned to one of the three groups. This study is seeking participants who are: * infants who are 2 months of age in Group 1; * infants who are 2 to 6 months of age in Groups 2 and 3; and * said to be healthy by the study doctor About 3000 infants will be assigned to Group 1. The infants in this group will have a 1 in 2 chance (50%) of receiving either PG4 (new vaccine) or 20vPnC (currently in use) into the left thigh muscle at 2, 4, 6, and 12 to 15 months of age. About 140 infants from outside the United States will be assigned to Group 2. The infants in this group will have a 1 in 2 chance (50%) of receiving either PG4 or 20vPnC into the left thigh muscle at 2 to 6, 3 to 8, 4 to 10, and 12 to 15 months of age. About 90 infants from outside the United States will be assigned to Group 3. The infants in Group 3 will have a 1 in 3 chance (33%) of receiving either PG4 into the left thigh muscle, PG4 under the skin of the left thigh, or 20vPnC into the left thigh muscle at 2 to 6, 3 to 8, 4 to 10, and 12 to 15 months of age. Infants in Group 1 will take part in this study for about 16 to 19 months (about 1 and a half years). Infants in Groups 2 and 3 will take part in this study for 12 to 21 months (about 1 to 1 and a half years). During this time, infants will have 6 study clinic visits and 1 phone call. At these study clinic visits, parent(s)/legal guardian(s) will be asked if the infant experienced any side effects. A side effect is an unintentional or unexpected reaction to a vaccine. Infants will have 3 blood samples collected.

Norcross, GA0–0 yrsAll genders
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A Study to Learn About a Clostridioides Difficile Vaccine in People 65 Years of Age and Older

Clostridioides Difficile Associated Disease

The purpose of the study is to learn about how effective, safe, and tolerable the Clostridioides difficile (C. difficile) vaccine is in decreasing the number of C. difficile infections (pCDI) in adults 65 years of age or older. The participants will receive either the C. difficile vaccine or placebo (saline). A placebo does not contain any active ingredients. The vaccines will be given as a shot into the upper arm muscle. This study looks at the number of diarrhea (loose stools) events related to a C. difficile infection, so the length of the study can change. If these events happen quickly, the study may finish sooner; if they happen slowly, it could take longer. Sometimes, the study might stop early if the vaccine clearly works or clearly doesn't. Participants will stay in the study until enough events have occurred to answer the main question. On average, each person is expected to take part for up to about three and a half years. During this time, participants will have 3 planned clinical visits and 3 planned phone visits. After these visits, more scheduled clinic visits will happen every year until the end of study. Besides the scheduled study visits, if at any time during the study a participant has 3 or more loose stools in 24 hours, they will be asked to save the next one (the fourth or later) and contact the study site. The study site will check to see if it could be a C. difficile infection. This check may happen at the clinic or through a phone or video call.

Atlanta, Columbus +more, GA65+ yrsAll genders
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