A Phase 2 interventional study of NDV-3A in Autosomal-dominant Hyper-IgE Syndrome, sponsored by National Institute of Allergy and Infectious Diseases (NIAID). Terminated at 1 site in United States. Open to participants aged 18 Years to 55 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2020-06-30.
Sponsored by National Institute of Allergy and Infectious Diseases (NIAID) · Phase 2, Interventional, and Basic science
Background:
AD-HIES is a disease that weakens the immune system. It puts people at risk for infections, particularly Staph and Candida infections. Researchers want to test a vaccine that may help keep people from getting these infections, which would help people with AD-HIES.
Objective:
To test the new vaccine NDV-3A for protection against infection from the yeast Candida and the bacterium Staphylococcus aureus (Staph).
Eligibility:
Adults ages 18-55 who have AD-HIES
Healthy volunteers ages 18-55
Design:
Participants will have 6-7 study visits over 6-7 months. They will also be contacted by phone in between some visits.
Participants will be screened with a medical history, physical exam, and blood and urine tests.
Participants will have 2 baseline visits. They will have repeat the screening tests. They will have samples of saliva, stool, skin, mucus (oral, nasal, and/or vaginal) collected. Vaginal and stool samples are optional. Any eczema on their skin will be looked at.
Participants will fill out symptom diary cards to record how they feel.
Participants will have the NDV-3A vaccine injected into a muscle in the arm.
Participants will return the next 2 days. They will have a physical exam. Blood will be collected.
Participants will have 2 more follow-up visits at the NIH. They will have a physical exam. They will have blood, saliva, stool, skin, vaginal fluid, and/or mucus samples collected. Vaginal and stool samples are optional.
Participants will be called once a month for 5 months after the vaccination. There is an optional visit about 6 weeks after the vaccination. Participants will provide a blood sample at this visit.
Autosomal-dominant hyper-IgE syndrome (AD-HIES) is characterized by recurrent Staphylococcus aureus and Candida epithelial infections, which is thought to be due, in part, to a lack of Th17 cell differentiation, thus impairing epithelial immunity. Treatment of AD-HIES is primarily supportive with prophylactic antibiotics; however, this is limited by microbial resistance and intolerance of medications, and infections do still occur. Immunological intervention with a vaccine could improve quality of life by preventing these infections altogether.
The NDV-3A vaccine consists of a recombinant protein derived from the Candida Als3 adhesion protein. This protein is homologous to surface proteins on S aureus and has been shown in preclinical studies to protect against both intravascular and subcutaneous challenge with S aureus. Therefore, NDV-3A represents not only the first antifungal vaccine, but also the first vaccine to provide cross-kingdom protection. In Phase 1 and Phase 2 studies in healthy volunteers (150 receiving vaccine), the safety profile of this vaccine is very reassuring as the vaccine elicits a strong antibody response after a single dose in all vaccinees as well as a Th1 and/or Th17 response in the majority of vaccinees. We will enroll 20 healthy adult volunteers and 20 adults with AD-HIES in an open-label, single-dose study to assess the immunological response to and the safety/tolerability of the NDV-3A vaccine. We anticipate an increase in baseline anti-Als3 IgG within 2 weeks post-vaccination.
9,217 studies on the registry are indexed under Syndrome; 1,031 are open to participants now.
This study's enrollment of 3 is below the median of 50 across 6,515 interventional studies indexed under Syndrome.
Browse Syndrome studies →National Institute of Allergy and Infectious Diseases (NIAID) is the lead sponsor of 2,401 studies on the registry; 179 are open to participants now.
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Age 18-55 years.
EXCLUSION CRITERIA:
Has any of the following laboratory abnormalities at the screening visit:
Alanine transaminase (ALT), aspartate transaminase (AST), and/or alkaline
phosphatase (ALP) > 1.5 times the upper limit of normal (ULN).
Participants will receive a single dose of 0.5 mL (300 micrograms of rAls3) administered via IM injection.
Drug: NDV-3A
A vaccine containing recombinant Candida albicans agglutinin-like sequence 3 (rAls3) protein as the antigen, formulated with AlOH adjuvant in phosphate buffered saline. Participants will receive a single 0.5 mL dose containing 300 micrograms of rAls3 and 0.5 mg of aluminum as AlOH, delivered via intramuscular injection.
Percent of Each Group With at Least a Four-fold Increase in Anti rAls3 Antibody Titer.
Antibody titer
Time frame: 2 weeks after vaccination
Number of Participants With Serious Adverse Events That Led to Study Termination.
Time frame: Up to 6 months
Anti-Als3 Antibody Titers at 6 Months After Vaccination in Patients With AD HIES and Healthy Volunteers.
Time frame: 6 months
| Milestone | Vaccination Group, Single Arm Study |
|---|---|
| Started | 3 |
| Completed | 0 |
| Not completed | 3 |
| Withdrew: Study terminated due to adverse effects | 3 |
Antibody titer
No measurements were reported for this outcome.
| Participants | Vaccination Group- Single Arm Study |
|---|---|
| Number of Participants With Serious Adverse Events That Led to Study Termination. | 1 |
No measurements were reported for this outcome.
Collected over Up to 6 months. Non-serious events are listed at a 0% frequency threshold.
| Group | Deaths | Serious | Other |
|---|---|---|---|
| Vaccination Group- Single Arm Study | 0/3 (0%) | 1/3 (33.3%) | 3/3 (100%) |
| Event | Vaccination Group- Single Arm Study |
|---|---|
| AnaphylaxisImmune system disorders | 1/3 |
| Event | Vaccination Group- Single Arm Study |
|---|---|
| Eczema exacerbationSkin and subcutaneous tissue disorders | 2/3 |
| Injection site painMusculoskeletal and connective tissue disorders | 1/3 |
| NauseaGastrointestinal disorders | 1/3 |
| DyspneaRespiratory, thoracic and mediastinal disorders | 1/3 |
| DizzinessNervous system disorders | 1/3 |
| fatigueNervous system disorders | 1/3 |
| Upper respiratory tract infectionRespiratory, thoracic and mediastinal disorders | 1/3 |
| Age, Continuous(years) | Vaccination Group- Single Arm Study |
|---|---|
| Median | 20 (19 to 26) |
| Sex: Female, Male(Participants) | Vaccination Group- Single Arm Study |
|---|---|
| Female | 1 |
| Male | 2 |
| Race (NIH/OMB)(Participants) | Vaccination Group- Single Arm Study |
|---|---|
| American Indian or Alaska Native | 0 |
| Asian | 0 |
| Native Hawaiian or Other Pacific Islander | 0 |
| Black or African American | 0 |
| White | 2 |
| More than one race | 1 |
| Unknown or Not Reported | 0 |
| Region of Enrollment(Participants) | Vaccination Group- Single Arm Study |
|---|---|
| United States | 3 |
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Job Syndrome
National Institute of Allergy and Infectious Diseases (NIAID)