Trial Outcomes & Findings for Sublingual Cockroach Safety in Adults With Cockroach Allergy & Perennial Allergic Rhinitis With or Without Asthma (NCT NCT00434421)

NCT ID: NCT00434421

Last Updated: 2015-06-11

Results Overview

Proportion of participants who discontinued study for any reason following initiation of treatment (any participant who receives the initial placebo dose will be considered initiated onto treatment)

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

28 participants

Primary outcome timeframe

Initial placebo dose to end of 2-week treatment course (maximum study dose)

Results posted on

2015-06-11

Participant Flow

The result tables represent the safety population: all subjects that initiated the 1-day, 8-dose escalation, otherwise referred to as the Preliminary Dosing Visit. One subject in the 8-17 age group withdrew from the study after this timepoint and was replaced with another participant.

Participant milestones

Participant milestones
Measure
German Cockroach Allergen Dosing Group
Initially each subject underwent a 1-day, 8-dose escalation (e.g., one dose of placebo, 0.14 milliliters \[mL\], followed by 7 escalating doses of Glycerinated German Cockroach Allergenic Extract until the Maximum Study Dose \[0.42 mL, 1:10 wt/vol\] or Maximum Tolerated Dose was achieved). This maximum dose became the daily dose - maintenance dose- of Glycerinated German Cockroach Allergenic Extract for the following 14 days.The maintenance dose of 0.42 mL was calculated to contain 3685 bioequivalent allergy units (BAU), with approximately 4.2 mg of German cockroach allergen Bla g 2 and 50 mg of Bla g 1 per dose. Route of administration: sublingual-oral route.
Overall Study
STARTED
28
Overall Study
COMPLETED
26
Overall Study
NOT COMPLETED
2

Reasons for withdrawal

Reasons for withdrawal
Measure
German Cockroach Allergen Dosing Group
Initially each subject underwent a 1-day, 8-dose escalation (e.g., one dose of placebo, 0.14 milliliters \[mL\], followed by 7 escalating doses of Glycerinated German Cockroach Allergenic Extract until the Maximum Study Dose \[0.42 mL, 1:10 wt/vol\] or Maximum Tolerated Dose was achieved). This maximum dose became the daily dose - maintenance dose- of Glycerinated German Cockroach Allergenic Extract for the following 14 days.The maintenance dose of 0.42 mL was calculated to contain 3685 bioequivalent allergy units (BAU), with approximately 4.2 mg of German cockroach allergen Bla g 2 and 50 mg of Bla g 1 per dose. Route of administration: sublingual-oral route.
Overall Study
Withdrawal by Subject
1
Overall Study
Non-compliance with study treatment
1

Baseline Characteristics

Sublingual Cockroach Safety in Adults With Cockroach Allergy & Perennial Allergic Rhinitis With or Without Asthma

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
German Cockroach Allergen Dosing Group
n=28 Participants
Initially each subject underwent a 1-day, 8-dose escalation (e.g., one dose of placebo, 0.14 milliliters \[mL\], followed by 7 escalating doses of Glycerinated German Cockroach Allergenic Extract until the Maximum Study Dose \[0.42 mL, 1:10 wt/vol\] or Maximum Tolerated Dose was achieved). This maximum dose became the daily dose - maintenance dose- of Glycerinated German Cockroach Allergenic Extract for the following 14 days.The maintenance dose of 0.42 mL was calculated to contain 3685 bioequivalent allergy units (BAU), with approximately 4.2 mg of German cockroach allergen Bla g 2 and 50 mg of Bla g 1 per dose. Route of administration: sublingual-oral route.
Age, Categorical
<=18 years
19 Participants
n=93 Participants
Age, Categorical
Between 18 and 65 years
9 Participants
n=93 Participants
Age, Categorical
>=65 years
0 Participants
n=93 Participants
Age, Customized
18-55 years
9 participants
n=93 Participants
Age, Customized
8-17 years
10 participants
n=93 Participants
Age, Customized
5-7 years
9 participants
n=93 Participants
Sex: Female, Male
Female
11 Participants
n=93 Participants
Sex: Female, Male
Male
17 Participants
n=93 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=93 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
28 Participants
n=93 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=93 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=93 Participants
Race (NIH/OMB)
Asian
0 Participants
n=93 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=93 Participants
Race (NIH/OMB)
Black or African American
22 Participants
n=93 Participants
Race (NIH/OMB)
White
3 Participants
n=93 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=93 Participants
Race (NIH/OMB)
Unknown or Not Reported
3 Participants
n=93 Participants
Region of Enrollment
United States
28 participants
n=93 Participants
German Cockroach Skin Test Sensitivity
High
18 participants
n=93 Participants
German Cockroach Skin Test Sensitivity
Low
10 participants
n=93 Participants
Asthma status (Mild-to-moderate persistent asthma)
Yes
10 participants
n=93 Participants
Asthma status (Mild-to-moderate persistent asthma)
No
18 participants
n=93 Participants

PRIMARY outcome

Timeframe: Initial placebo dose to end of 2-week treatment course (maximum study dose)

Population: Safety Population: All study participants who were initiated onto the initial placebo study

Proportion of participants who discontinued study for any reason following initiation of treatment (any participant who receives the initial placebo dose will be considered initiated onto treatment)

Outcome measures

Outcome measures
Measure
German Cockroach Allergen Dosing Group
n=28 Participants
Initially each subject underwent a 1-day, 8-dose escalation (e.g., one dose of placebo, 0.14 milliliters \[mL\], followed by 7 escalating doses of Glycerinated German Cockroach Allergenic Extract until the Maximum Study Dose \[0.42 mL, 1:10 wt/vol\] or Maximum Tolerated Dose was achieved). This maximum dose became the daily dose - maintenance dose- of Glycerinated German Cockroach Allergenic Extract for the following 14 days.The maintenance dose of 0.42 mL was calculated to contain 3685 bioequivalent allergy units (BAU), with approximately 4.2 mg of German cockroach allergen Bla g 2 and 50 mg of Bla g 1 per dose. Route of administration: sublingual-oral route.
Proportion of Participants Who Discontinue Study
7.1 Percentage of Participants

Adverse Events

German Cockroach Allergen Dosing Group

Serious events: 0 serious events
Other events: 15 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
German Cockroach Allergen Dosing Group
n=28 participants at risk
Initially each subject underwent a 1-day, 8-dose escalation (e.g., one dose of placebo, 0.14 milliliters \[mL\], followed by 7 escalating doses of Glycerinated German Cockroach Allergenic Extract until the Maximum Study Dose \[0.42 mL, 1:10 wt/vol\] or Maximum Tolerated Dose was achieved). This maximum dose became the daily dose - maintenance dose- of Glycerinated German Cockroach Allergenic Extract for the following 14 days.The maintenance dose of 0.42 mL was calculated to contain 3685 bioequivalent allergy units (BAU), with approximately 4.2 mg of German cockroach allergen Bla g 2 and 50 mg of Bla g 1 per dose. Route of administration: sublingual-oral route.
Ear and labyrinth disorders
EAR PRURITUS
10.7%
3/28 • Number of events 3 • Initial placebo dose to end of 2-week treatment course
Eye disorders
EYE PRURITUS
7.1%
2/28 • Number of events 2 • Initial placebo dose to end of 2-week treatment course
Gastrointestinal disorders
CRAMPS
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course
Gastrointestinal disorders
DIARRHEA
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course
Gastrointestinal disorders
NAUSEA
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course
Gastrointestinal disorders
SALIVARY HYPERSECRETION
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course
Gastrointestinal disorders
VOMITING
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course
Respiratory, thoracic and mediastinal disorders
CHEST DISCOMFORT
10.7%
3/28 • Number of events 3 • Initial placebo dose to end of 2-week treatment course
Respiratory, thoracic and mediastinal disorders
COUGH
7.1%
2/28 • Number of events 2 • Initial placebo dose to end of 2-week treatment course
Respiratory, thoracic and mediastinal disorders
NASAL CONGESTION
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course
Respiratory, thoracic and mediastinal disorders
NASAL DISCOMFORT
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course
Respiratory, thoracic and mediastinal disorders
RHINORRHOEA
7.1%
2/28 • Number of events 2 • Initial placebo dose to end of 2-week treatment course
Respiratory, thoracic and mediastinal disorders
SHORTNESS OF BREATH
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course
Respiratory, thoracic and mediastinal disorders
SNEEZING
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course
Respiratory, thoracic and mediastinal disorders
THROAT IRRITATION
21.4%
6/28 • Number of events 8 • Initial placebo dose to end of 2-week treatment course
Respiratory, thoracic and mediastinal disorders
WHEEZING
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course
Skin and subcutaneous tissue disorders
ERYTHEMA
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course
Skin and subcutaneous tissue disorders
ORAL PRURITUS
17.9%
5/28 • Number of events 5 • Initial placebo dose to end of 2-week treatment course
Skin and subcutaneous tissue disorders
PRURITUS
10.7%
3/28 • Number of events 4 • Initial placebo dose to end of 2-week treatment course
Skin and subcutaneous tissue disorders
RASH
14.3%
4/28 • Number of events 4 • Initial placebo dose to end of 2-week treatment course
Skin and subcutaneous tissue disorders
RASH PRURITIC
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course
Skin and subcutaneous tissue disorders
URTICARIA
3.6%
1/28 • Number of events 1 • Initial placebo dose to end of 2-week treatment course

Additional Information

Director, Clinical Research Operations Program

DAIT/NIAID

Phone: 301-594-7669

Results disclosure agreements

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