Trial Outcomes & Findings for Adolescent Mite Allergy Safety Evaluation (NCT NCT04541004)

NCT ID: NCT04541004

Last Updated: 2023-07-03

Results Overview

At least one TEAE

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

253 participants

Primary outcome timeframe

From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

Results posted on

2023-07-03

Participant Flow

Participant milestones

Participant milestones
Measure
HDM SLIT Tablet
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Overall Study
STARTED
253
Overall Study
COMPLETED
251
Overall Study
NOT COMPLETED
2

Reasons for withdrawal

Reasons for withdrawal
Measure
HDM SLIT Tablet
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Overall Study
Adverse Event
2

Baseline Characteristics

Adolescent Mite Allergy Safety Evaluation

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Age, Categorical
<=18 years
253 Participants
n=93 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
n=93 Participants
Age, Categorical
>=65 years
0 Participants
n=93 Participants
Sex: Female, Male
Female
101 Participants
n=93 Participants
Sex: Female, Male
Male
152 Participants
n=93 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
6 Participants
n=93 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
229 Participants
n=93 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
18 Participants
n=93 Participants
Region of Enrollment
Czechia
87 Participants
n=93 Participants
Region of Enrollment
Slovakia
137 Participants
n=93 Participants
Region of Enrollment
Germany
29 Participants
n=93 Participants
Height
166.3 cm
STANDARD_DEVIATION 10.6 • n=93 Participants
Weight
61 kg
STANDARD_DEVIATION 15.1 • n=93 Participants
BMI
21.9 kg/m^2
STANDARD_DEVIATION 4.38 • n=93 Participants
Smoking history
Current
3 Participants
n=93 Participants
Smoking history
Never
250 Participants
n=93 Participants
Regularly exposed to tobacco smoke
No
246 Participants
n=93 Participants
Regularly exposed to tobacco smoke
Yes
4 Participants
n=93 Participants
Regularly exposed to tobacco smoke
Not applicable (current smokers)
3 Participants
n=93 Participants
Baseline sensitisations
HDM only
112 Participants
n=93 Participants
Baseline sensitisations
HDM and others
141 Participants
n=93 Participants
Duration of HDM allergic rhinitis/rhinoconjunctivitis
5.9 years
STANDARD_DEVIATION 3.5 • n=93 Participants
Asthma status
No
144 Participants
n=93 Participants
Asthma status
Yes
109 Participants
n=93 Participants
Inhaled corticosteroids
No
180 Participants
n=93 Participants
Inhaled corticosteroids
Yes
73 Participants
n=93 Participants
Duration of asthma
6.7 years
STANDARD_DEVIATION 3.9 • n=93 Participants
FEV1 (percentage predicted)
96.10 percentage predicted FEV1
STANDARD_DEVIATION 12.84 • n=93 Participants
FEV1 (L)
3.26 liters
STANDARD_DEVIATION 0.78 • n=93 Participants

PRIMARY outcome

Timeframe: From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

At least one TEAE

Outcome measures

Outcome measures
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Number of Subjects With at Least One Treatment-emergent Adverse Event (TEAE)
223 subjects

PRIMARY outcome

Timeframe: From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

At least one TEAE

Outcome measures

Outcome measures
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Proportion of Subjects With at Least One Treatment-emergent Adverse Event (TEAE)
88.1 percent
Interval 84.3 to 91.3

PRIMARY outcome

Timeframe: From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

At least one TEAE

Outcome measures

Outcome measures
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Number of Treatment-emergent Adverse Events (TEAEs)
1940 events

SECONDARY outcome

Timeframe: From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

At least one solicited TEAE

Outcome measures

Outcome measures
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Number of Subjects With at Least One Solicited Treatment-emergent Adverse Event (TEAE)
216 subjects

SECONDARY outcome

Timeframe: From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

At least one solicited TEAE

Outcome measures

Outcome measures
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Proportion of Subjects With at Least One Solicited Treatment-emergent Adverse Event (TEAE)
85.4 percent
Interval 81.2 to 88.9

SECONDARY outcome

Timeframe: From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

At least one solicited TEAE

Outcome measures

Outcome measures
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Number of Solicited Treatment-emergent Adverse Events (TEAEs)
1796 events

SECONDARY outcome

Timeframe: From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

At least one IMP-related AE

Outcome measures

Outcome measures
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Number of Subjects With at Least One IMP-related Adverse Event (AE)
218 subjects

SECONDARY outcome

Timeframe: From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

At least one IMP-related AE

Outcome measures

Outcome measures
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Proportion of Subjects With at Least One IMP-related Adverse Event (AE)
86.2 percent
Interval 82.1 to 89.6

SECONDARY outcome

Timeframe: From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

At least one IMP-related AE

Outcome measures

Outcome measures
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Number of IMP-related Adverse Events (AEs)
1863 events

SECONDARY outcome

Timeframe: From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

At least one treatment-emergent SAE

Outcome measures

Outcome measures
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Number of Subjects With At Least One Treatment-emergent Serious Adverse Event (SAE)
0 subjects

SECONDARY outcome

Timeframe: From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

At least one treatment-emergent SAE

Outcome measures

Outcome measures
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Proportion of Subjects With At Least One Treatment-emergent Serious Adverse Event (SAE)
0 percent
Interval 0.0 to 1.18

SECONDARY outcome

Timeframe: From time of first IMP administration and no later than 7 days after last IMP administration, approximately 35 days.

At least one treatment-emergent SAE

Outcome measures

Outcome measures
Measure
HDM SLIT Tablet
n=253 Participants
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Number of Treatment-emergent Serious Adverse Events (SAEs)
0 events

Adverse Events

HDM SLIT Tablet

Serious events: 0 serious events
Other events: 223 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
HDM SLIT Tablet
n=253 participants at risk
House dust mite (HDM) Sublingual allergy immunotherapy tablet HDM SLIT-tablet: Sublingual allergy immunotherapy tablet, for daily administration (1 tablet per day)
Respiratory, thoracic and mediastinal disorders
Pharyngeal paraesthesia
6.7%
17/253 • Number of events 34 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Respiratory, thoracic and mediastinal disorders
Pharyngeal swelling
13.0%
33/253 • Number of events 59 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Respiratory, thoracic and mediastinal disorders
Throat irritation
52.2%
132/253 • Number of events 323 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Nervous system disorders
Dysgeusia
6.3%
16/253 • Number of events 24 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Ear and labyrinth disorders
Ear pruritus
39.9%
101/253 • Number of events 270 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Abdominal pain upper
15.8%
40/253 • Number of events 77 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Diarrhoea
9.5%
24/253 • Number of events 30 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Enlarged uvula
5.5%
14/253 • Number of events 38 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Glossodynia
16.2%
41/253 • Number of events 87 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Lip oedema
4.3%
11/253 • Number of events 15 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Lip swelling
15.8%
40/253 • Number of events 89 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Mouth swelling
5.5%
14/253 • Number of events 32 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Mouth ulceration
15.0%
38/253 • Number of events 68 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Nausea
15.8%
40/253 • Number of events 83 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Oedema mouth
8.3%
21/253 • Number of events 35 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Oral pain
4.0%
10/253 • Number of events 19 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Oral pruritus
66.8%
169/253 • Number of events 421 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Swollen tongue
11.5%
29/253 • Number of events 51 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Tongue eruption
2.4%
6/253 • Number of events 16 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Tongue ulceration
16.6%
42/253 • Number of events 79 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Gastrointestinal disorders
Vomiting
2.4%
6/253 • Number of events 9 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.
Infections and infestations
Rhinitis
2.4%
6/253 • Number of events 10 • AEs were collected from consent to 7 days after end-of-trial or discontinuation (from first IMP intake to 7 days after end-of-trial or discontinuation, up to 35 days).
An AE is any untoward medical occurrence in a clinical trial subject, and which does not necessarily have a causal relationship with the administered IMP. An AE can therefore be any unfavourable and unintended sign (including e.g. a medication error), symptom, or disease, whether considered related to the IMP.

Additional Information

David Hal Mollerup, Senior Director

ALK-Abelló A/S

Phone: +45 45747576

Results disclosure agreements

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

Restriction type: LTE60