NCT01224834

Brief Summary

The purpose of this study is to determine the safety and tolerability of several doses of ragweed pollen allergen extract administered as sublingual tablets in subjects with allergic rhinitis to ragweed.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Jan 2009

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2009

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2009

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2009

Completed
1 year until next milestone

First Submitted

Initial submission to the registry

October 13, 2010

Completed
7 days until next milestone

First Posted

Study publicly available on registry

October 20, 2010

Completed
Last Updated

November 8, 2010

Status Verified

October 1, 2010

Enrollment Period

3 months

First QC Date

October 13, 2010

Last Update Submit

November 5, 2010

Conditions

Keywords

Ragweed, allergy, sublingual immunotherapy

Outcome Measures

Primary Outcomes (1)

  • Safety, tolerability as indicated by adverse events and safety laboratory evaluation assessed every day over 2 weeks

    2 weeks

Secondary Outcomes (1)

  • Immunological markers (IgE and IgG4)

    2 weeks

Study Arms (2)

1

PLACEBO COMPARATOR
Drug: Sublingual tablet of ragweed pollen allergen extract

2

EXPERIMENTAL
Drug: Sublingual tablet of ragweed pollen allergen extract

Interventions

administered once a day over 10 days

12

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • written consent
  • male or female subjects from 18 yo 60 years old and in general good health
  • for women of child bearing potential: negative urine pregnancy test and use of medically effective contraceptive method
  • symptoms of ragweed pollen induced allergic rhinitis for at least the last 2 years
  • sensitization to ragweed pollen as demonstrated with positive skin prick test to ragweed pollen and specific IgE level (ragweed pollen) \> 0.70 kU/l at screening
  • FEV1 at least of 80% of predicted value at screening

You may not qualify if:

  • past or current disease which, as judged by the investigator, may affect the outcome of this study
  • history of life-threatening asthma
  • asthma requiring daily treatment (whatever the pharmaceutical class)
  • pregnant or lactating women
  • subjects who previously received desensitisation treatment to ragweed pollen and/or other Asteraceae or who plan to start desensitisation treatment during this study
  • symptoms during the treatment phase due to a sensitivity to a second allergen
  • subjects treated with ongoing immunotherapy with another allergen

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

DRC Drug Research Center

Balatonfüred, H-8230, Hungary

Location

MeSH Terms

Conditions

Rhinitis, Allergic, SeasonalHypersensitivity

Condition Hierarchy (Ancestors)

Rhinitis, AllergicRhinitisNose DiseasesRespiratory Tract DiseasesRespiratory HypersensitivityOtorhinolaryngologic DiseasesHypersensitivity, ImmediateImmune System Diseases

Study Officials

  • Eva Péterfai, MD

    DRC Drug Research Center, Balatonfüred - Hungary

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

October 13, 2010

First Posted

October 20, 2010

Study Start

January 1, 2009

Primary Completion

April 1, 2009

Study Completion

October 1, 2009

Last Updated

November 8, 2010

Record last verified: 2010-10

Locations