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Encephalitis, Tick-bornePhase 3NCT00161824

Safety Study in Volunteers From 16 to 65 Years of Age: FSME IMMUN NEW vs. ENCEPUR

A Phase 3 study testing Tick-Borne Encephalitis (TBE) Vaccine (Inactivated) in people with Encephalitis, Tick-borne, run by Pfizer at 7 sites in Poland.

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 the safety of a vaccination schedule consisting of two vaccinations (21-35 days apart) with the tick-borne encephalitis (TBE) vaccine FSME-IMMUN NEW (5 consecutive lots) in comparison to another licensed TBE vaccine (Encepur® adults, with polygeline) (2 lots) in healthy… Read more about this study

Who is it for?
Ages 16 to 65 yearsHealthy volunteers can take part
Conditions the study is for
Encephalitis, Tick-borne
What is being tested?
Tick-Borne Encephalitis (TBE) Vaccine (Inactivated)
Type of treatment
Vaccines
How many people
3,800 participants
Where
7 sitesPoland
Study dates
Oct 2001to Jan 2002
Phase
Phase 3
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 16 to 65 years
  • All sexes
  • Healthy volunteers accepted
  • Child, Adult, Older adult

Who may be able to join

  • Male and female volunteers were eligible for participation in this study if they:
  • Were 16 years (from the 16th birthday) to 65 years (to the last day before the 65th birthday) old
  • Were clinically healthy
  • Had a negative pregnancy test at the first medical examination, if female and capable of bearing children
  • Agreed to employ adequate birth control measures for the duration of the study, if female and capable of bearing children
  • Provided written informed consent
  • For volunteers under 18 years of age - written informed consent of the parents / guardian was available
  • Agreed to keep a volunteer diary

Who cannot join

  • History of any previous TBE vaccination
  • History of TBE infection or show evidence of latent TBE infection (as demonstrated by screening ELISA > 126 VIEU/ml)
  • History of allergic reactions, in particular to one of the components of the vaccine
  • Previously received volume substitution with a product containing polygeline (stabilizer in ENCEPUR)
  • Received antipyretics within 4 hours prior to the first TBE vaccination
  • Suffer from a disease that cannot be effectively treated or stabilized
Show all 17Show fewer
  • Suffering from a disease (e.g. autoimmune disease) or were undergoing any form of treatment that could be expected to influence immunological functions
  • Suffering from chronic, degenerative and/or inflammatory disease of the central nervous system
  • Using any immunosuppressive drugs (e.g. local or systemic corticosteroids, chemotherapeutics)
  • Had a known or suspected problem with drug or alcohol abuse (> 4 liters wine / week or equivalent level of other alcoholic beverages)
  • Had donated blood or plasma within one month of the study start
  • Had received banked blood or immunoglobulins within one month of study entry
  • Known to be HIV positive (a special HIV test was not required for the purpose of the study)
  • Suffering from a febrile illness at study entry
  • History of vaccination against yellow fever and / or Japanese B encephalitis
  • Participating simultaneously in another clinical trial
  • If female: pregnant or breast feeding

Trial locations and contacts

7 sites in 1 country.

7 sites in 1 country

Poland7 sites
  • Zespol Opieki Zdrowotnej w Debicy

    Dębica, 33-200

  • Wojewodzki Szpital Dzieciecy Oddzial Obserwacyjno - Zakazny A

    Kielce, 25-381

  • "Atopia" Diagnostyka i Leczenie Chorob Alergicznych i Ukladu Oddechowego

    Krakow, 30-018

  • Przedsiebiorstwo Uslug Medycznych "Centrum Medyczne Nowa Huta"

    Krakow, 30-969

  • Szpital Jana Pawla II Oddzial Neuroinfekcji

    Krakow, 31-202

  • Samodzielny Publiczny Zaklad Opieki Zdrowotnej Oddzial Pediatryczny

    Lubartów, 21-100

  • PANTAMED sp. z o.o.

    Olsztyn, 10-461

Other trials in Poland

About this study

Official title: Single-blind, Randomized, Multicenter Comparison of FSME IMMUN NEW and ENCEPUR: Safety and Tolerability of Two Vaccinations in Healthy Volunteers Aged 16 to 65 Years.

The purpose of this study is to assess the safety of a vaccination schedule consisting of two vaccinations (21-35 days apart) with the tick-borne encephalitis (TBE) vaccine FSME-IMMUN NEW (5 consecutive lots) in comparison to another licensed TBE vaccine (Encepur® adults, with polygeline) (2 lots) in healthy volunteers aged 16 to 65 years.

Being tested
Tick-Borne Encephalitis (TBE) Vaccine (Inactivated)
Medical subject headings
Encephalitis, Tick-Borne

What participants receive

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

  • Tick-Borne Encephalitis (TBE) Vaccine (Inactivated)Biological

Timeline

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

  1. First posted13 Sep 2005 (estimated)
  2. Study startOct 2001
  3. Study completionJan 2002

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 3
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Enrolment
3,800 participants
IDs, dates and publications
ClinicalTrials.gov ID
NCT00161824
Sponsor's protocol ID
208
Status last verified
May 2015
First submitted
8 Sep 2005
Last updated
21 May 2015
Results posted
No

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Tick-Borne Encephalitis (TBE) Vaccine (Inactivated) in people with Encephalitis, Tick-borne, run by Pfizer at 7 sites in Poland.

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 8 inclusion and 17 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 21 May 2015. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 7 sites in Poland. 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 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

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.

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 21 May 2015.

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