Trial Outcomes & Findings for Study Immunology and Safety of 60-day Treatment of SQ Grass SLIT (Sublingual Immunotherapy)-Tablet in Adult Subjects With Grass Pollen-induced Allergic Rhinoconjunctivitis (NCT NCT02245360)

NCT ID: NCT02245360

Last Updated: 2016-01-11

Results Overview

measurement of IgG4 in serum

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

107 participants

Primary outcome timeframe

baseline versus end of treatment (approx. 60 days)

Results posted on

2016-01-11

Participant Flow

Participant milestones

Participant milestones
Measure
Grass Tablet 75,000 SQ-T
Grass tablet 75,000 Standardized Quality units Tablet (SQ-T) Phleum pratense grass pollen allergen extract: Allergy Immunotherapy grass tablet 75,000 SQ-T given once daily over 60 days
Placebo
Placebo placebo: placebo tablet given once daily over 60 days
Overall Study
STARTED
53
54
Overall Study
COMPLETED
48
52
Overall Study
NOT COMPLETED
5
2

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Study Immunology and Safety of 60-day Treatment of SQ Grass SLIT (Sublingual Immunotherapy)-Tablet in Adult Subjects With Grass Pollen-induced Allergic Rhinoconjunctivitis

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Grass Tablet 75,000 SQ-T
n=53 Participants
Grass tablet 75,000 Standardized Quality units Tablet (SQ-T) Phleum pratense grass pollen allergen extract: Allergy Immunotherapy grass tablet 75,000 SQ-T given once daily over 60 days
Placebo
n=54 Participants
Placebo placebo: placebo tablet given once daily over 60 days
Total
n=107 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
53 Participants
n=5 Participants
54 Participants
n=7 Participants
107 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Continuous
35.8 years
STANDARD_DEVIATION 11.2 • n=5 Participants
34.1 years
STANDARD_DEVIATION 10.1 • n=7 Participants
34.9 years
STANDARD_DEVIATION 10.6 • n=5 Participants
Sex: Female, Male
Female
27 Participants
n=5 Participants
21 Participants
n=7 Participants
48 Participants
n=5 Participants
Sex: Female, Male
Male
26 Participants
n=5 Participants
33 Participants
n=7 Participants
59 Participants
n=5 Participants
Region of Enrollment
Russian Federation
53 participants
n=5 Participants
54 participants
n=7 Participants
107 participants
n=5 Participants

PRIMARY outcome

Timeframe: baseline versus end of treatment (approx. 60 days)

Population: In each treatment arm/group 1 subject was excluded from the analyzed sample due to missing post-baseline efficacy data.

measurement of IgG4 in serum

Outcome measures

Outcome measures
Measure
Grass Tablet 75,000 SQ-T
n=52 Participants
Grass tablet 75,000 Standardized Quality units Tablet (SQ-T) Phleum pratense grass pollen allergen extract: Allergy Immunotherapy grass tablet 75,000 SQ-T given once daily over 60 days
Placebo
n=53 Participants
Placebo placebo: placebo tablet given once daily over 60 days
The Primary Efficacy Endpoint is Change From Baseline to End of Treatment of Phleum Pratense Specific Immunoglobulin G4 (IgG4) in Serum
0.684 mgA/L
Standard Deviation 1.691
0.050 mgA/L
Standard Deviation 0.588

SECONDARY outcome

Timeframe: baseline versus end of treatment (approx. 60 days)

Population: In each treatment arm/group 1 subject was excluded from the analyzed sample due to missing post-baseline efficacy data.

measurement of IgE in serum

Outcome measures

Outcome measures
Measure
Grass Tablet 75,000 SQ-T
n=52 Participants
Grass tablet 75,000 Standardized Quality units Tablet (SQ-T) Phleum pratense grass pollen allergen extract: Allergy Immunotherapy grass tablet 75,000 SQ-T given once daily over 60 days
Placebo
n=53 Participants
Placebo placebo: placebo tablet given once daily over 60 days
Change of Phleum Pratense Specific Immunoglobulin E (IgE) From Baseline to End of Treatment
22.751 UA/ml
Standard Deviation 29.364
-2.756 UA/ml
Standard Deviation 16.933

Adverse Events

Grass Tablet 75,000 SQ-T

Serious events: 0 serious events
Other events: 26 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 12 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Grass Tablet 75,000 SQ-T
n=53 participants at risk
Grass tablet 75,000 Standardized Quality units Tablet (SQ-T) Phleum pratense grass pollen allergen extract: Allergy Immunotherapy grass tablet 75,000 SQ-T given once daily over 60 days
Placebo
n=54 participants at risk
Placebo placebo: placebo tablet given once daily over 60 days
Respiratory, thoracic and mediastinal disorders
Throat irritation
32.1%
17/53 • Number of events 17
7.4%
4/54 • Number of events 4
Gastrointestinal disorders
Oral pruritus
13.2%
7/53 • Number of events 7
3.7%
2/54 • Number of events 2
Gastrointestinal disorders
Tongue oedema
5.7%
3/53 • Number of events 3
0.00%
0/54
Infections and infestations
Respiratory tract infection viral
5.7%
3/53 • Number of events 3
11.1%
6/54 • Number of events 6
Ear and labyrinth disorders
Ear pruritus
5.7%
3/53 • Number of events 3
0.00%
0/54

Additional Information

Dmitri Kazei MD, PhD

Abbott

Phone: +31 294477008

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place