NCT01653652

Brief Summary

The purpose of the current study is to evaluate the efficacy of administering a probiotic in adult human subjects suffering from allergic rhinitis during seasonal grass pollen exposure.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
131

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Apr 2012

Shorter than P25 for not_applicable

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

April 1, 2012

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2012

Completed
26 days until next milestone

First Submitted

Initial submission to the registry

July 27, 2012

Completed
4 days until next milestone

First Posted

Study publicly available on registry

July 31, 2012

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2012

Completed
Last Updated

November 20, 2013

Status Verified

November 1, 2013

Enrollment Period

3 months

First QC Date

July 27, 2012

Last Update Submit

November 19, 2013

Conditions

Keywords

grass pollenallergic rhinitisTNSSminiRQLQ

Outcome Measures

Primary Outcomes (1)

  • Total nasal symptom score (TNSS)

    Total nasal symptom score (TNSS) measuring nasal congestion, runny nose, nasal itching and sneezing on a scale of 0-12 will be compared over 8 weeks between the two treatment groups.

    every day over 8 weeks

Secondary Outcomes (6)

  • Total ocular symptom score (TOSS)

    every day over 8 weeks

  • miniRQLQ

    every week for 8 weeks

  • Individual nasal and ocular symptoms scores

    every day over 8 weeks

  • Well being index

    every week over 8 weeks

  • Medication Score

    every week over 8 weeks

  • +1 more secondary outcomes

Study Arms (2)

Placebo

PLACEBO COMPARATOR

maltodextrin powder to be taken daily

Dietary Supplement: Maltodextrin

Probiotic

ACTIVE COMPARATOR

Probiotic blended in maltodextrin powder to be taken daily

Dietary Supplement: Probiotic

Interventions

ProbioticDIETARY_SUPPLEMENT
Probiotic
MaltodextrinDIETARY_SUPPLEMENT
Placebo

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adults aged 18 to 65 years of age at the time of enrolment.
  • Established seasonal allergic rhinitis (clinical history of rhinorrhea, congestion, sneezing, pruritis \>2 years)
  • Positive Skin Prick Test (SPT)to Grass Pollen (GP).
  • Presence of specific IgE to Grass Pollen (GP)
  • Have a Body Mass Index in the range 19-32 kg/m2
  • Have signed the consent form
  • Have been instructed during screening and agreed to not take any probiotic containing products outside the study for the study period

You may not qualify if:

  • Subjects currently under treatment with antibiotics or undergoing allergen immunotherapy at the time of enrolment
  • Pregnancy
  • Vasomotor rhinitis, nasal cavity disorders (nasal polyps), ear infections otitis media).
  • Other chronic diseases (e.g. gastrointestinal, cardiovascular, infections)
  • Subjects diagnosed with asthma
  • Subjects currently participating in another interventional clinical trial or having participated in another clinical trial in the last 2 months
  • Subjects on chronic use of systemic corticosteroids prior to randomization

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Charité Research Organisation GmbH

Berlin, Germany

Location

MeSH Terms

Conditions

Rhinitis, Allergic, SeasonalRhinitis, Allergic

Interventions

Probioticsmaltodextrin

Condition Hierarchy (Ancestors)

RhinitisNose DiseasesRespiratory Tract DiseasesRespiratory HypersensitivityOtorhinolaryngologic DiseasesHypersensitivity, ImmediateHypersensitivityImmune System Diseases

Intervention Hierarchy (Ancestors)

Dietary SupplementsFoodDiet, Food, and NutritionPhysiological PhenomenaFood and Beverages

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 27, 2012

First Posted

July 31, 2012

Study Start

April 1, 2012

Primary Completion

July 1, 2012

Study Completion

December 1, 2012

Last Updated

November 20, 2013

Record last verified: 2013-11

Locations