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OpenTrials
Completed

NCT Number: NCT02241135

RNActive® Rabies Vaccine (CV7201) in Healthy Adults

The purpose of this trial is to assess the safety and immunogenicity of an investigational RNActive® rabies vaccine (CV7201) in healthy adults.

Completed

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Key information

Age range

18 year–40 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Abteilung für Infektions- und Tropenmedizin der Ludwig-Maximilians-Universität

Munich, 80802, Germany

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Healthy male and female volunteers aged 18 to 40 years inclusive
  • Compliant with protocol procedures and available for clinical follow-up through the last planned visit (V9)
  • Physical examination and laboratory results without clinically significant findings
  • Body Mass Index (BMI) ≥ 18.0 and ≤ 32.0 kg/m2
  • Females: Negative human chorionic gonadotropin (HCG) pregnancy test (serum) for women presumed to be of reproductive potential on the day of enrolment
  • Females of childbearing potential must use acceptable methods of birth control during the trial and Follow-up period (from 6 weeks before the first administration of the test vaccine for the duration of the trial i.e., until the last planned visit (V9)). The following methods of birth control are acceptable when used consistently and correctly: established use of oral, injected or implanted hormonal methods of contraception; intrauterine devices (IUDs) or intrauterine systems (IUSs) with the exception of steel or copper wire; barrier methods of contraception (condom or occlusive cap [diaphragm or cervical/vault caps] with spermicidal foam/gel/film/cream/suppository); true abstinence (periodic abstinence [e.g., calendar, ovulation, symptothermal and postovulation methods] and withdrawal are not acceptable).
  • Males must use reliable forms of contraception (barrier method with spermicidal agent or true abstinence) and must refrain from sperm donation during the trial and Follow-up period i.e., until the last planned visit (V9).

Exclusion criteria

  • Use of any investigational or non-registered product (drug or vaccine) other than the trial vaccine within 4 weeks preceding the administration of the trial vaccine, or planned use during the trial period
  • Subject has received any other licensed vaccines within 4 weeks prior to the administration of the trial vaccine
  • Subject has received any investigational or licensed rabies vaccine previously
  • Intending to travel to regions/countries for which rabies vaccinations are recommended or where high risk of infections exists according to travel recommendations by the German Society of Tropical Medicine and International Health (DTG) during the trial and up to V9 (Day 91/120) Follow-up
  • Any treatment with immunosuppressants or other immune-modifying drugs within 6 months prior to the administration of the trial vaccine. The use of inhaled and nasal steroids, as well as topical steroids outside the vaccination area, will be permitted
  • Any medically diagnosed or suspected immunodeficient condition based on medical history and physical examination
  • History of autoimmune disease
  • Administration of immunoglobulins (Igs) and/or any blood products within the 3 months preceding the administration of the trial vaccine
  • Subject is taking chloroquine for malaria treatment or prophylaxis
  • Acute disease at the time of enrolment. Acute disease is defined as the presence of a moderate or severe illness or fever ≥ 38 °C measured orally
  • Presence or evidence of significant acute or chronic, uncontrolled medical or psychiatric illness (subjects with uncomplicated chronic diagnoses stable and treated for ≥ 3 months e.g., mild hypertension well-controlled with medication, may be enrolled - provided the condition and its therapy are known not to be associated with an immunocompromised state or an autoimmune disease
  • Major congenital defects
  • Known allergy to any component of the trial product i.e., protamine. This includes subjects with allergy to fish protein, diabetics with allergy to protamine-containing insulin, or post-vasectomy males
  • Known type I allergy to beta lactam antibiotics
  • Evidence of current alcohol or drug abuse
  • History of any neurological disorders or seizures, with the exception of febrile seizures during childhood
  • Seropositivity for human immunodeficiency virus (HIV), hepatitis B virus (HBV) (except in subjects previously vaccinated against HBV) or hepatitis C virus (HCV)
  • Foreseeable non-compliance with protocol as judged by the Investigator
  • For females: Pregnancy or lactation
  • History of any life-threatening anaphylactic reactions.
  • Subjects with impaired coagulation in whom an IM injection is contraindicated.

Treatment and study plan

CV7201 mRNA

Biological

CV7201 is composed of 1 RNActive® mRNA that encodes the rabies virus glycoprotein.

Other names: CV7201 messenger RNA, CV7201 RNActive®

Primary outcomes

  1. Incidence and severity of serious adverse events (SAEs)/adverse events (AEs) and local tolerability assessment of the vaccination site

    Time frame: up to 64 days after the last vaccination

    The occurrence of AEs will be assessed by non-directive questioning of the subject at each visit. Further, AEs volunteered by the subject during or between visits - as subject diary card entries - or detected through observation, physical examination, laboratory test, or other assessments during the entire observation period, will be documented. Subjects will be instructed that they must immediately report any AEs, subjective complaints or objective changes in their well-being to the Investigator or the clinic personnel, regardless of the perceived relationship between the event and the test product. The Investigator is responsible for reporting all AEs in the eCRF that are observed or described by the subject, regardless of their relationship to the trial vaccine or their clinical significance.

Secondary outcomes

  1. The lowest CV7201 dose to elicit rabies VNTs ≥ 0.5 IE/ml

    Time frame: Rabies VNTs measured 14 days after the 3rd vaccination (Visit 8)

    Rabies virus neutralizing titers (VNTs) measured in serum blood samples taken 14 days after the the last vaccination (Visit 8).

  2. Number of treatment discontinuation due to IMP-related AEs/SAEs

    Time frame: up to 64 days after the last vaccination

    Number of subjects discontinued from treatment after the first or second vaccination due to vaccination-related reactions or AEs/SAEs.

    Period for observation in order to decide on withdrawal of subjects from next vaccination starts with Visit 1 (day 0, first vaccination) and lasts until the day of the third scheduled vaccination (pre-vaccination examination).

Sponsors and collaborators

Lead sponsor

CureVac

Industry

Registry information

Official study title

Phase I Safety and Immunogenicity Trial of an Investigational RNActive® Rabies Vaccine (CV7201) in Healthy Adults

Important dates

Study start
2013
Primary completion
2018
Study completion
2018
First posted
Sep 16, 2014
Registry last updated
Oct 29, 2018

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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