22 Clinical Trials for Various Conditions
This observational study will be conducted across the Houston Methodist system, including all hospital-based and freestanding emergency departments (ED), and up to 4 additional sites in the United States. The safety of human rabies immune globulin (HRIG) 300 IU/mL product (HyperRAB®) in pediatric patients has not been fully established. The purpose of this study is to evaluate the safety of HRIG 300 IU/mL when given to pediatric patients per standard of care for rabies postexposure prophylaxis (PEP) in the ED.
This quasi-experimental, quality improvement study will be conducted across the Houston Methodist system, including all hospital-based and freestanding emergency departments (ED). Previous research identified opportunities to improve patient selection and delivery of rabies immune globulin (IG) as recommended by Centers for Disease Control and Prevention (CDC) guideline recommendations for rabies postexposure prophylaxis (PEP). The purpose of this study is to develop, implement, and measure the impact of a quality improvement bundle that consists of (1) rabies PEP electronic health records (EHR) enhancements, (2) education to ED staff, and (3) education to patients. Adherence to quality indicators, which are based on CDC guideline recommendations, for patient selection and delivery of rabies IG for 12 months following implementation (post-implementation group) will be compared with a historical control group.
The purpose of this first time-in-human (FTiH) study is to evaluate the safety, reactogenicity and immunogenicity of different dose levels of an experimental rabies glycoprotein G (RG) vaccine (RG-SAM \[CNE\] vaccine), made using a new technology, when administered intramuscularly (IM) on a 0, 2, 6 \*-month schedule to healthy adults. \* There will be no vaccinations with the third dose of any of the study treatments.
This is a single-center, observer-blinded, dosage-escalation trial to evaluate the safety, tolerability, reactogenicity, and immunogenicity of ChAd155-RG compared with RABAVERT in rabies virus-naïve healthy male and non-pregnant female adult subjects ages 18-49. There are 4 dose groups: Group A will receive ChAd155-RG at the lower dosage (5x1010vp) on Day 1, then placebo injections on Days 8, 15, and 22; Group B will receive ChAd155-RG at the higher dosage (1x1011vp) on Day 1, then placebo injections on Days 8, 15, and 22; Group C will receive ChAd155-RG at the higher dosage (1x1011vp) on Days 1 and 15, and placebo injections on Days 8 and 22; Group D will receive RABAVERT at the standard dose (1 mL) on Days 1, 8, and 22, and a placebo injection on Day 15. Since this is a dosage-escalation study, sentinel subjects will be used at each dosage level before non-sentinel subjects will be enrolled. The study will be conducted at Emory University Vaccine and Treatment Evaluation Unit (VTEU). This trial is expected to take approximately 48 months to complete. The duration of each subject's participation is approximately 13 months, from recruitment through the last study visit. The primary objectives of this study are: 1) Assessment of the safety, tolerability, and reactogenicity of one dose of ChAd155-RG at 5x1010vp per dose, or one or two doses of ChAd155-RG at 1x1011vp per dose; 2) Comparison of the safety, tolerability, and reactogenicity of one or two doses of ChAd155-RG, with three doses of RABAVERT.
This is a Phase 2b, double blinded, randomized study of SYN023 compared to HyperRab® (a licensed Rabies immune globulin from human sources, HRIG) for the prevention of rabies as part of post-exposure prophylaxis (PEP). The trial will enroll sequentially two different risk substrata of WHO Category 3 rabies exposure which are Low Risk Group (LRG) and Normal Risk Group (NRG). The enrollment will be stepwise while subject's data will be reviewed by DSMB to confirm the safety and permit for next enrollment. Besides, rabies vaccine would be administered within 75 minutes after Study Drug in each group. This trial is proposed to further the licensure of SYN023 to provide an effective PEP alternative available to those exposed persons who need such a product. A placebo-controlled rabies trial is unethical thus HRIG is selected as the control group. Rabies immune globulin from equine and human sources (HRIG) have been evaluated in many trials and HRIG is the standard of care in the United States.
The primary purpose of this study is to confirm the safety of KamRAB (Human Rabies Immunoglobulin) in children ages 0 months to \<17 years, when administered as part of post-Rabies Exposure Prophylaxis (PEP).
This is an exploratory trial to evaluate the effect of antimalarial drugs on the immune response generated by rabies vaccine when administered for post-exposure prophylaxis. This study will use the FDA approved post-exposure prophylaxis vaccine regimen (without rabies immune globulin) in the presence or absence of an FDA-approved malaria chemoprophylaxis regimen.
The purpose of this study is to compare the effectiveness of a two dose versus a three dose schedule and intramuscular versus intradermal injection for pre-exposure prophylaxis.
This is a single-arm, open-label study of Rabies Immune Globulin (Human), Caprylate/Chromatography Purified (RIG-C), in approximately 12 healthy subjects. The purpose of this study is to characterize the rabies virus-specific antibody titer after a single intramuscular injection of 20 IU/kg RIG-C and to evaluate the safety and tolerability of RIG-C.
The purpose of this study is to: 1. Evaluate the safety and tolerability of KamRAB in comparison with Human rabies immune globulin (HRIG) comparator product. 2. To assess whether KamRAB interferes with the development of self active antibodies when given simultaneously with active rabies vaccine, as compared to the HRIG comparator product, also given in conjunction with the active rabies vaccine.
The aim of the study is to document the safety and immunogenicity of Purified Vero Rabies Vaccine (VRVg) when given in a simulated post-exposure regimen, i.e. with co-administration of human rabies immunoglobulins (Imovax® Rabies). Primary Objectives: * To demonstrate that VRVg is non-inferior to Imovax® Rabies in terms of proportion of subjects achieving a rabies virus neutralizing antibody (RVNA) titer ≥ 0.5 international units (IU)/mL at Day 14. * To demonstrate that the observed proportion of subjects achieving an RVNA titer ≥ 0.5 IU/mL at Day 14 is at least 99%, with a lower limit of the 95% confidence interval (CI) of at least 97%. Secondary Objectives: * To assess the clinical safety of each vaccine after each vaccine injection when administered in a simulated post-exposure schedule. * To describe the geometric mean titer ratio (GMTR) between the 2 vaccine groups at Day 14.
The aim of this study is to generate data on immunogenicity and safety of Purified Vero Rabies Vaccine - Serum Free (VRVg) in comparison with Imovax® Rabies in order to support the registration of VRVg in the USA. Primary Objectives: * To demonstrate that VRVg is non inferior to Imovax® Rabies in terms of proportion of subjects achieving an rabies virus neutralizing antibody (RVNA) titer ≥ 0.5 IU/mL at Day 42. * To demonstrate that the observed proportion of subjects achieving an RVNA titer ≥ 0.5 IU/mL at Day 42 is at least 99%, with a 95% lower confidence limit of at least 97%. Secondary Objectives: * To assess the clinical safety of VRVg each vaccine after each vaccine injection when administered in a pre-exposure schedule. * To describe the immune response induced by each vaccine 21 days after two vaccinations (Day 28) in a randomized subset of subjects and 14 days after the last vaccination of the primary vaccination series. * To describe antibody persistence at 6 and 12 months after the first vaccination in all subjects, and at 18 and 24 months in a subset of subjects.
Rabies immune globulin is a product that is lifesaving to unvaccinated individuals exposed to the rabies virus. Rabies immune globulin is made from plasma from immune donors. Currently the only practical method to obtain this plasma is to immunize normal volunteer Source Plasma donors and collect their plasma while titers are adequate. The use of rabies vaccine for immunization of normal Source Plasma donors is currently limited to a level that, while protective for the individual, is unsuitable for production of rabies immune globulin. The objective of this study is to obtain efficacy and safety data regarding the rabies boostering program to demonstrate that: 1. Rabies immune plasma production can be substantially increased by giving booster doses to previously immunized donors whose titers are below 10.0 IU/mL. 2. It is safe for normal Source Plasma donors to receive booster doses of rabies vaccine on a regular basis. This study utilizes two rabies vaccines approved by the FDA, Imovax® (Sanofi-Pasteur) and RabAvert® (Novartis).
The purpose of this study is to determine immunogenicity and safety of intradermal administration of the PCEC rabies vaccine in adults.
The aim of this study is to evaluate the safety of the monoclonal antibody cocktail CL184 in combination with rabies vaccine compared with human rabies immune globulin (HRIG) or placebo in combination with rabies vaccine in healthy adult subjects.
The use of antibiotics changes micro-organisms in the intestines which may impact the body's vaccine immune response and alter the effectiveness of the rabies vaccine. There will be two randomized groups (1:1 randomization). Group A will start taking an antibiotic regimen by mouth 3 days prior to vaccination and continue taking antibiotics the day of rabies vaccination and one day after vaccination for a total of 5 days. Group B will only receive the rabies vaccination and will not take any antibiotics. The dosage of each antibiotic is taken from their respective package inserts and does not exceed the maximum dose allowed for each antibiotic. The purpose of the study is to look at immune response after rabies vaccination with or without the use of antibiotics from day of vaccination to 28 days post vaccination in both groups.
A prospective, randomized, blinded, parallel-group, non-inferiority, phase II/III study of the safety and effectiveness of simulated post-exposure prophylaxis with BPL HRIG with co-administration of active rabies vaccine in healthy subjects.
This multicenter, observer-blind, controlled, randomized, Phase II study was designed to evaluate different formulations of the Purified Vero Rabies Cell vaccine VRVg.
This is single site, randomized, blinded comparison of the immunogenicity, of Imovax (RVi) and Rabavert (RVa) rabies vaccines when subjects are administered rabies immune globulin (RIG) or SYN023. Subjects will be randomized into one of four dose groups: RVi + SYN023, RVi+RIG, RVa+SYN023 and RVa+RIG. The initial dose of RVi and RVa will be co-administered with either RIG or SYN023). Rabies virus neutralizing activity (RVNA) and blood levels of SYN023 will be measured for the remainder of the trial while the rest of the five RVi and RVa doses are given. The study will last 112 days. SYN023 concentrations and anti-SYN023 antibodies will also be measured.
The overarching goal of this project is the elimination of two neglected tropical diseases (NTD): soil-transmitted helminthiasis and rabies. The specific objective of this pilot study was: To determine whether the integrated delivery platform improved the cost-effectiveness and coverage of MDA targeting STH and rabies; The investigators integrated two public health initiatives: 1) a mass drug administration (MDA) effort to eliminate neglected tropical diseases (NTD) caused by soil-transmitted helminths (STH), with 2) a community-valued mass dog rabies vaccination (MDRV) intervention to eliminate human and animal rabies, also a priority NTD of the World Health Organisation. The goal of MDA efforts targeting STH is to reduce worm burdens to very low levels below which self-sustaining transmission, and the public health consequences of STH, cease. Existing school-based delivery programs fail to reach all affected age groups, however, which results in ineffective coverage levels and persistence of STH. The goal of MDRV is to immunize 70% of dog populations, after which canine-mediated rabies is eliminated. MDRV programs are typically very popular, with all human age groups participating. The objectives of this project were to determine whether supplementing a strictly school-based MDA NTD control program with a community-wide strategy that is coupled to an MDRV program will result in a synergism that (a) improves coverage, reach and cost-effective delivery of MDA targeting STH and (b) improves coverage and cost-effective delivery of dog vaccination. To achieve this, research activities, comprised of post-intervention household questionnaire surveys, were carried out. In addition detailed cost data was collected.
The purpose of this study is to see if cyclosporine, taken when a patient begins highly active antiretroviral therapy (HAART), increases the number of CD4 T-cells (blood cells that fight infection) in a patient's blood. This study also will explore the safety of briefly giving cyclosporine to patients starting HAART.
To compare the safety of ALVAC-HIV vCP205 to that of ALVAC-RG vCP65 rabies glycoprotein, delivered by a variety of mucosal routes. To evaluate the antibody, humoral, and cellular immune responses resulting from ALVAC-HIV vCP205. \[AS PER AMENDMENT 8/3/98: To obtain safety data on AIDSVAX B/B boosting administered by the intramuscular and intranasal routes in the context of previous immunization via alternate mucosal routes or intramuscularly with a canarypox vector expressing HIV-1 antigens (vCP205). To obtain immunogenicity data on AIDSVAX B/B boosting.\] One of the earliest observations in the HIV epidemic was the demonstration of HIV infection at mucosal surfaces of cells in the genital tract. These data suggest that priming of immune defenses of viral infected cells may be an important component in the strategy of developing an effective HIV vaccine. Direct immunization of relevant mucosal surfaces with a vectored vaccine may stimulate mucosal immunity. The ALVAC-HIV vCP205 immunogen is constructed from a live recombinant canarypox vector that has a good safety profile in volunteers and should allow mucosal induction of immunity.