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Allergic RhinoconjunctivitisPhase 2NCT02297490

Evaluation of the Utility of an EEC for Assessing Efficacy of SIT in Pivotal Clinical Trials

A Phase 2 study testing Allergovit 6-grasses in people with Allergic Rhinoconjunctivitis and Healthy Volunteers, run by Allergopharma GmbH & Co. KG at 1 site in Canada.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

The study will explore how allergy symptoms experienced during the grass pollen season compare to symptoms experienced in the Environmental Exposure Chamber (EEC). There are 2 treatments in this study. Both treatments are injected under the skin. Read more about this study

Who is it for?
Ages 18 to 65 yearsHealthy volunteers can take part
What is being tested?
Allergovit 6-grasses
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
158 participants
Where
1 siteCanada
Study dates
Jan 2014to Dec 2014
Phase
Phase 2
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 65 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • IgE-mediated seasonal allergic rhinitis/rhinoconjunctivitis with or without allergic asthma
  • positive skin prick test
  • specific IgE ≥ 0.70 kU/L to mixture of grass pollen allergens
  • symptom score of at least 4 per day during the week following the peak-pollen count in the baseline season

Who cannot join

  • undergone previous specific immunotherapy with grass pollen allergens in any formulation less than 5 years prior to the screening date
  • currently undergoing any sort of immunotherapy, or has ever undergone specific immunotherapy with unknown allergen
  • allergens which are expected to interfere with the grass pollen season
  • uncontrolled or partly controlled asthma
  • patients with contraindications for SIT

Trial locations and contacts

1 site in 1 country.

Canada1 site
  • Inflamax Research INC

    Mississauga, Ontario, L4W 1A4

Other trials in Canada

About this study

Official title: Evaluation of the Utility of an Environmental Exposure Chamber (EEC) for Assessing Efficacy of Specific Immunotherapy (SIT) in Pivotal Clinical Trials

The study will explore how allergy symptoms experienced during the grass pollen season compare to symptoms experienced in the Environmental Exposure Chamber (EEC).

There are 2 treatments in this study. Both treatments are injected under the skin. Allergovit® Grasses works by helping the body's immune system get used to grass-pollen before the grass pollen season begins which may lead to decreased sensitivity and reduced allergy symptoms during the grass season. Placebo treatment does not contain grass pollen mixture, and is not expected to reduce allergic symptoms overtime.

Read the detailed description

This is a Phase II trial, with a one year observational/baseline phase followed by a one year double-blind placebo-controlled, randomized, treatment phase. Approx. 137 grass pollen-allergic subjects and 20 non-allergic subjects will be enrolled in the baseline phase of the study. The primary objective of the trial is to investigate the relationship between allergy symptoms experienced by subjects (allergic and non-allergic) upon exposure to grass pollen-allergen in the EEC and the allergy symptoms experienced by subjects during the grass pollen season.

Being tested
Placebo, Allergovit 6-grasses
Keywords
Environmental Exposure Chamber, Specific Immunotherapy, SIT, SCIT

What participants receive

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

  • PlaceboDrug

    Also called Comparator

    Placebo treatment is identical to the active treatment schedule. The placebo-preparation used is identical to the active solution but without any allergen substance in it.

  • Allergovit 6-grassesBiological

    Also called Specific immunotherapy with an allergoid preparation.

    Immunotherapy will be performed for approx. 5 months. 7 injections will be administered at weekly intervals to reach the maintenance dose. However, dosing must be individualised.

Study groups in NCT02297490
Study groupRoleWhat they receive
PlaceboPlacebo comparatorPlacebo treatment is identical to the active treatment schedule. The placebo-preparation used is identical to the active solution but without any allergen substance in it.
Receives: Drug: Placebo
Allergovit 6-grasses immunotherapyExperimentalImmunotherapy will be performed for approx. 5 months. 7 injections will be administered at weekly intervals to reach the maintenance dose. However, dosing must be individualised.
Receives: Biological: Allergovit 6-grasses

What is being measured

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

  1. Total Symptom Score (TSS)

    Analysis of the relationship between different methods of measurement of efficacy of SIT.

    The AUC of the Total Symptom Score (TSS) as primary endpoint assessed in an EEC after preseasonal treatment

    Measured: 1 year

  2. Rhinoconjunctivitis Symptom and Medication Score (RC-SMS)

    The AUC of the Rhinoconjunctivitis Symptom and Medication Score (RC-SMS) assessed as primary endpoint during the natural grass pollen season (field-based)

    Measured: Grass pollen season from March until July (approx. 11 weeks avarage)

  3. Medication-adjusted Rhinoconjunctivitis Symptom Score (ma-RC-SS)

    The AUC of the Medication-adjusted Rhinoconjunctivitis Symptom Score (ma-RC-SS) assessed as primary endpoint during the natural grass pollen season (field-based)

    Measured: Grass pollen season from March until July (approx. 11 weeks avarage)

Secondary outcomes (1)
  1. Symptoms (by TSS, RC-SMS, ma-RC-SS) in non-allergic subjects

    Evaluation of the relationship of symptoms experienced in EEC and natural grass pollen season. Assessment of symptom specificity provoked by EEC in non-allergic subjects.

    Measured: 1 year

Timeline

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

  1. First posted21 Nov 2014 (estimated)
  2. Study startJan 2014
  3. Primary completionNov 2014
  4. Study completionDec 2014

Why it stopped: The study was terminated due to the interim Analysis results indicating a weaker correlation than anticipated and reported by other study groups.

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 2
Primary purpose
Basic science
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
158 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02297490
Sponsor's protocol ID
AL1304AV
Other IDs
AL13BP01
Status last verified
Jan 2018
First submitted
12 Nov 2014
Last updated
17 Jan 2018
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Allergovit 6-grasses in people with Allergic Rhinoconjunctivitis and Healthy Volunteers, run by Allergopharma GmbH & Co. KG at 1 site in Canada.

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 4 inclusion and 5 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: stopped early, as of the sponsor's last update on 17 Jan 2018. 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 Canada. 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. Some participants in this study may receive a placebo. 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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 was stopped early (reason given: The study was terminated due to the interim Analysis results indicating a weaker correlation than anticipated and reported by other study groups.). Results are not available in the source record.

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?

Total Symptom Score (TSS) (time frame: 1 year). The study lists 3 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 17 Jan 2018.

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