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Hemorrhagic Fever With Renal SyndromePhase 1HTNV/PUUVNCT01502345

Study to Evaluate the Safety, Tolerability, and Immunogenicity of Hantaan and Puumala Virus DNA Vaccines

A Phase 1 study testing Vaccine/device combination for prevention of HFRS in people with Hemorrhagic Fever With Renal Syndrome, run by U.S. Army Medical Research and Development Command at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is: To assess safety and tolerability of the HTNV and PUUV DNA vaccines, pWRG/HTN-M(x) and pWRG/PUUV-M(s2), administered intramuscularly using a TDS-IM electroporation device Secondary: To evaluate clinical immunogenicity of the HTNV and PUUV DNA vaccines, pWRG/HTN-M(x) and pWRG/PUUV-M(s2)… Read more about this study

Who is it for?
Ages 18 to 49 yearsHealthy volunteers can take part
Conditions the study is for
Hemorrhagic Fever With Renal Syndrome
What is being tested?
Vaccine/device combination for prevention of HFRS
Could I receive a placebo?
No, everyone receives an active treatment
How many people
31 participants
Where
1 siteUnited States
Study dates
Jan 2012to Jan 2013
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 49 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Healthy adult male or non-pregnant, non-lactating female, ages 18-49 (inclusive) at time of screening
  • Have demonstrated adequate comprehension of the protocol, by achieving a score of at least 80% correct on a short multiple-choice quiz
  • Individuals who fail to achieve a passing score on the initial quiz will be given the opportunity to retest after a review of protocol information
  • Individuals who fail the comprehension assessment for the second time will not be enrolled
  • Have provided written informed consent before screening
  • Free of clinically significant health problems, as determined by pertinent medical history and clinical examination before entry into the study
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  • Available and able to participate for all study visits and procedures
  • If sexually active, known to be at least 1 year post-menopausal, or willing to use an effective method of contraception (e.g., birth control pill, diaphragm, cervical cap, intrauterine device, condom, or anatomical sterility [in self or partner]) from the date of screening until at least 6 months after the last vaccination
  • Negative hantavirus IgG antibody test result at screening (ELISA)

Who cannot join

  • History or serologic evidence of prior infection with either HTNV or PUUV virus, or prior participation in a HTNV or PUUV virus vaccine trial
  • History of severe local or systemic reactions to any vaccination or a history of severe allergic reactions
  • Any serologic evidence of hepatitis B or C infection
  • Ongoing participation in another clinical trial
  • Receipt or planned receipt of any vaccination, experimental or otherwise, within the period 30 days prior to initial injection through 60 days after the Day 70 follow-up (approximately a 6 month period in total)
  • Individuals in whom a skinfold measurement of the cutaneous and subcutaneous tissue for all eligible injection sites (deltoid region) exceeds 40 mm
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  • Individuals in whom the ability to observe possible local reactions at the eligible injection sites (deltoid region) is, in the opinion of the investigator, unacceptably obscured due to a physical condition or permanent body art
  • Acute or chronic, clinically significant hematologic, pulmonary, cardiovascular, hepatic or renal functional abnormality as determined by the investigator based on medical history, physical examination, EKG, and/or laboratory screening test
  • Pregnant or lactating female, or female who intends to become pregnant during the study period
  • Administration of immunoglobulins and/or any blood products within the 120 days preceding study entry or planned administration during the study period
  • Any confirmed or suspected immunosuppressive or immunodeficient condition, including human immunodeficiency virus infection
  • Administration of chronic (defined as more than 14 days) immunosuppressants or other immune-modifying drugs within 6 months of study entry
  • For corticosteroids, this will mean prednisone, or equivalent, greater than or equal to 0.5 mg/kg/day
  • Inhaled and topical steroids are allowed
  • Any chronic or active neurologic disorder, including seizures and epilepsy, excluding a single febrile seizure as a child
  • Syncopal episode within 12 months of screening
  • Suspected or known current alcohol abuse as defined by the American Psychiatric Association in DSM IV (Diagnostic and Statistical Manual of Mental Disorders-4th edition)
  • Chronic or active illicit and/or intravenous drug use
  • Unwilling to allow storage and use of blood for future hantavirus-related research
  • Any other significant finding that in the opinion of the investigator would increase the risk of the individual having an adverse outcome from participating in this study

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Walter Reed Army Institute of Research

    Silver Spring, Maryland, 20910

Other trials in United States

About this study

Official title: Phase 1 Study to Evaluate the Safety, Tolerability, and Immunogenicity of Hantaan and Puumala Virus DNA Vaccines, pWRG/HTN-M(x) and pWRG/PUU-M(s2), for Prevention of Hemorrhagic Fever With Renal Syndrome Administered to Healthy Adult Volunteers Using the TDS-IM Electroporation Delivery Device

The purpose of this study is:

  • To assess safety and tolerability of the HTNV and PUUV DNA vaccines, pWRG/HTN-M(x) and pWRG/PUUV-M(s2), administered intramuscularly using a TDS-IM electroporation device

Secondary:

  • To evaluate clinical immunogenicity of the HTNV and PUUV DNA vaccines, pWRG/HTN-M(x) and pWRG/PUUV-M(s2), including an assessment of the acute procedure tolerability when administered with the TDS-IM electroporation.
Read the detailed description

The study will enroll 3 randomized groups of 9 subjects each, along with 3 alternates, for a total of 30 subjects. The study will include one group of subjects injected with the HTNV DNA vaccine, one group injected with the PUUV DNA vaccine, and one group injected with both HTNV and PUUV DNA vaccines (mixed), administered with the Ichor TDS-IM device. Subjects will receive one dose of vaccine on Days 0, 28, and 56 and will be followed until Day 240. Subjects will complete post-injection memory aids for 14 days after each injection.

Subjects will be evaluated for safety and immune response throughout the study.

Being tested
Vaccine/device combination for prevention of HFRS
Keywords
HFRS
Medical subject headings
Hemorrhagic Fever with Renal Syndrome

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Vaccine/device combination for prevention of HFRSBiological

    Also called Ichor Tri-Grid Delivery System, Hantavirus

    PUUV DNA Vaccine, 2.0mg/ml TDS-IM injection HTNV DNA Vaccine, 2.0 mg/ml TDS-IM injection HTNV + PUUV Vaccine mixture, 1.0mg/mL + 1.0mg/ml TDS-IM injection

Study groups in NCT01502345
Study groupRoleWhat they receive
PUUV DNA VaccineExperimentalThis group will receive Puumala Virus DNA Vaccine only
Receives: Biological: Vaccine/device combination for prevention of HFRS
HTNV + PUUVExperimentalThis group will receive a 1:1 mixture of HTNV and PUUV DNA Vaccines
Receives: Biological: Vaccine/device combination for prevention of HFRS
HTNV DNA VaccineExperimentalThis group will receive Hantaan Virus DNA Vaccine only
Receives: Biological: Vaccine/device combination for prevention of HFRS

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change from baseline for solicited adverse events after each vaccination

    • The nature, frequency, and severity of local and systemic AEs or SAEs associated with TDS-IM-EP-based administration of HTNV and PUUV vaccines

    Measured: Day 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

  2. Change from baseline for Unsolicited adverse events after each vaccination

    • The nature, frequency, and severity of local and systemic AEs or SAEs associated with TDS-IM-EP-based administration of HTNV and PUUV vaccines

    Measured: Day 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

Secondary outcomes (1)
  1. Change in neutralizing antibody levels from baseline to post vaccination

    The endpoint used to measure immunogenicity of the HTNV and PUUV DNA vaccines is the production of neutralizing antibody titers to HTNV and PUUV (PRNT50 ≥ 1:20). Initial immunogenicity results will be analyzed on the basis of intention-to-treat, in which the outcomes of all subjects who had at least one dose of vaccine will be analyzed with the group to which they were originally assigned, regardless of whether they completed the study. Subsequently, all subjects who completed the 8-month study and have serologic data will be included in the analysis of immunogenicity.

    Measured: Day 0, 28, 56, 84, 140, 180 and 240

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted30 Dec 2011 (estimated)
  2. Study startJan 2012
  3. Primary completionJan 2013
  4. Study completionJan 2013

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Participant
Enrolment
31 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01502345
Sponsor's protocol ID
A-17088
Other IDs
WRAIR 1854, S-11-12
Acronym
HTNV/PUUV
Status last verified
Jan 2013
First submitted
23 Dec 2011
Last updated
31 Jan 2013
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Vaccine/device combination for prevention of HFRS in people with Hemorrhagic Fever With Renal Syndrome, run by U.S. Army Medical Research and Development Command at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 9 inclusion and 20 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 31 Jan 2013. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change from baseline for solicited adverse events after each vaccination (time frame: Day 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 31 Jan 2013.

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