Trial Outcomes & Findings for Oral Immunotherapy for Desensitization in Children, Adolescents, and Young Adults With Hen Egg Allergy (NCT NCT04056299)

NCT ID: NCT04056299

Last Updated: 2022-03-10

Results Overview

Recruitment status

TERMINATED

Study phase

PHASE2

Target enrollment

15 participants

Primary outcome timeframe

9-12 months

Results posted on

2022-03-10

Participant Flow

Participant milestones

Participant milestones
Measure
AR201 Powder
Subjects were randomized to active arm of AIME01 and administered AR201 in escalating doses for approximately 6 months, followed by a maintenance dose for approximately 12 weeks AR201 powder: AR201 powder (Hen Egg allergen formulation) provided in capsules
Placebo Powder
Subjects were randomized to placebo arm of AIME01 and administered placebo for approximately 6 months, followed by maintenance placebo for approximately 12 weeks. Placebo powder: Placebo powder provided in capsules
Overall Study
STARTED
9
6
Overall Study
COMPLETED
6
3
Overall Study
NOT COMPLETED
3
3

Reasons for withdrawal

Reasons for withdrawal
Measure
AR201 Powder
Subjects were randomized to active arm of AIME01 and administered AR201 in escalating doses for approximately 6 months, followed by a maintenance dose for approximately 12 weeks AR201 powder: AR201 powder (Hen Egg allergen formulation) provided in capsules
Placebo Powder
Subjects were randomized to placebo arm of AIME01 and administered placebo for approximately 6 months, followed by maintenance placebo for approximately 12 weeks. Placebo powder: Placebo powder provided in capsules
Overall Study
Sponsor discontinued study
3
3

Baseline Characteristics

Oral Immunotherapy for Desensitization in Children, Adolescents, and Young Adults With Hen Egg Allergy

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
AR201 Powder
n=9 Participants
Subjects were randomized to active arm of AIME01 and administered AR201 in escalating doses for approximately 6 months, followed by a maintenance dose for approximately 12 weeks AR201 powder: AR201 powder (Hen Egg allergen formulation) provided in capsules
Placebo Powder
n=6 Participants
Subjects were randomized to placebo arm of AIME01 and administered placebo for approximately 6 months, followed by maintenance placebo for approximately 12 weeks. Placebo powder: Placebo powder provided in capsules
Total
n=15 Participants
Total of all reporting groups
Age, Continuous
13.0 years
n=5 Participants
5.5 years
n=7 Participants
7.0 years
n=5 Participants
Sex: Female, Male
Female
5 Participants
n=5 Participants
3 Participants
n=7 Participants
8 Participants
n=5 Participants
Sex: Female, Male
Male
4 Participants
n=5 Participants
3 Participants
n=7 Participants
7 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
8 Participants
n=5 Participants
6 Participants
n=7 Participants
14 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
2 Participants
n=5 Participants
0 Participants
n=7 Participants
2 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
White
7 Participants
n=5 Participants
4 Participants
n=7 Participants
11 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
2 Participants
n=7 Participants
2 Participants
n=5 Participants
Region of Enrollment
United States
9 participants
n=5 Participants
6 participants
n=7 Participants
15 participants
n=5 Participants

PRIMARY outcome

Timeframe: 9-12 months

Population: The study was prematurely terminated due to difficulties in meeting enrollment goals due to the Coronavirus Disease 2019 (COVID-19) pandemic. As a consequence, all prespecified efficacy endpoint analysis were not performed, and the exit DBPCFC was optional and limited to subjects who completed at least 9 months of study treatment including at least 4 weeks at 300 mg/day, and tolerated the 300 mg/day dose for approximately 2 consecutive weeks before the exit DBPCFC.

Outcome measures

Outcome measures
Measure
AR201 Powder
n=9 Participants
Study product provided as dried egg white in pull-apart capsules. AR201 powder in capsules: AR201 powder (Hen Egg allergen formulation) formulated to contain dried egg white at different dosage strengths.
Placebo Powder
n=6 Participants
Placebo formulation in pull-apart capsules containing only inactive ingredients Placebo powder provided in capsules: Placebo powder formulated to match the color and texture of dried egg white.
Proportion of Subjects Tolerating a Single Highest Dose of at Least 1000 mg Dried Egg White Protein With no More Than Mild Symptoms at the Exit Double-blind Placebo Controlled Food Challenge (DBPCFC)
1 Participants
0 Participants

SECONDARY outcome

Timeframe: 9-12 months

Population: The study was prematurely terminated due to difficulties in meeting enrollment goals due to the COVID-19 pandemic. As a consequence, all prespecified efficacy endpoint analysis were not performed, and the exit DBPCFC was optional and limited to subjects who completed at least 9 months of study treatment including at least 4 weeks at 300 mg/day, and tolerated the 300 mg/day dose for approximately 2 consecutive weeks before the exit DBPCFC.

Outcome measures

Outcome measures
Measure
AR201 Powder
n=9 Participants
Study product provided as dried egg white in pull-apart capsules. AR201 powder in capsules: AR201 powder (Hen Egg allergen formulation) formulated to contain dried egg white at different dosage strengths.
Placebo Powder
n=6 Participants
Placebo formulation in pull-apart capsules containing only inactive ingredients Placebo powder provided in capsules: Placebo powder formulated to match the color and texture of dried egg white.
Number of Participants by Maximum Dose Achieved With no or Mild Symptoms at Exit DBPCFC
None
0 Participants
0 Participants
Number of Participants by Maximum Dose Achieved With no or Mild Symptoms at Exit DBPCFC
1 mg
0 Participants
0 Participants
Number of Participants by Maximum Dose Achieved With no or Mild Symptoms at Exit DBPCFC
3 mg
0 Participants
0 Participants
Number of Participants by Maximum Dose Achieved With no or Mild Symptoms at Exit DBPCFC
10 mg
0 Participants
0 Participants
Number of Participants by Maximum Dose Achieved With no or Mild Symptoms at Exit DBPCFC
30 mg
0 Participants
0 Participants
Number of Participants by Maximum Dose Achieved With no or Mild Symptoms at Exit DBPCFC
100 mg
0 Participants
0 Participants
Number of Participants by Maximum Dose Achieved With no or Mild Symptoms at Exit DBPCFC
300 mg
2 Participants
0 Participants
Number of Participants by Maximum Dose Achieved With no or Mild Symptoms at Exit DBPCFC
600 mg
0 Participants
0 Participants
Number of Participants by Maximum Dose Achieved With no or Mild Symptoms at Exit DBPCFC
1000 mg
0 Participants
0 Participants
Number of Participants by Maximum Dose Achieved With no or Mild Symptoms at Exit DBPCFC
2000 mg
1 Participants
0 Participants
Number of Participants by Maximum Dose Achieved With no or Mild Symptoms at Exit DBPCFC
Did not have an exit DBPCFC
6 Participants
6 Participants

Adverse Events

AR201 Powder

Serious events: 1 serious events
Other events: 9 other events
Deaths: 0 deaths

Placebo Powder

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
AR201 Powder
n=9 participants at risk
Subjects were randomized to active arm of AIME01 and administered AR201 in escalating doses for approximately 6 months, followed by a maintenance dose for approximately 12 weeks AR201 powder: AR201 powder (Hen Egg allergen formulation) provided in capsules
Placebo Powder
n=6 participants at risk
Subjects were randomized to placebo arm of AIME01 and administered placebo for approximately 6 months, followed by maintenance placebo for approximately 12 weeks. Placebo powder: Placebo powder provided in capsules
Injury, poisoning and procedural complications
Subdural haematoma
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Nervous system disorders
Headache
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months

Other adverse events

Other adverse events
Measure
AR201 Powder
n=9 participants at risk
Subjects were randomized to active arm of AIME01 and administered AR201 in escalating doses for approximately 6 months, followed by a maintenance dose for approximately 12 weeks AR201 powder: AR201 powder (Hen Egg allergen formulation) provided in capsules
Placebo Powder
n=6 participants at risk
Subjects were randomized to placebo arm of AIME01 and administered placebo for approximately 6 months, followed by maintenance placebo for approximately 12 weeks. Placebo powder: Placebo powder provided in capsules
Gastrointestinal disorders
Abdominal pain
55.6%
5/9 • Approximately 9 months
33.3%
2/6 • Approximately 9 months
Gastrointestinal disorders
Nausea
33.3%
3/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Gastrointestinal disorders
Vomiting
22.2%
2/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Gastrointestinal disorders
Abdominal discomfort
11.1%
1/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Gastrointestinal disorders
Abdominal pain upper
11.1%
1/9 • Approximately 9 months
50.0%
3/6 • Approximately 9 months
Gastrointestinal disorders
Dysphagia
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Gastrointestinal disorders
Gastrooesophageal reflux disease
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Gastrointestinal disorders
Lip pruritus
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Gastrointestinal disorders
Oral pain
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Gastrointestinal disorders
Oral pruritus
11.1%
1/9 • Approximately 9 months
33.3%
2/6 • Approximately 9 months
Gastrointestinal disorders
Tongue pruritus
11.1%
1/9 • Approximately 9 months
33.3%
2/6 • Approximately 9 months
Gastrointestinal disorders
Diarrhoea
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Gastrointestinal disorders
Oral discomfort
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Skin and subcutaneous tissue disorders
Urticaria
44.4%
4/9 • Approximately 9 months
33.3%
2/6 • Approximately 9 months
Skin and subcutaneous tissue disorders
Pruritus
33.3%
3/9 • Approximately 9 months
50.0%
3/6 • Approximately 9 months
Skin and subcutaneous tissue disorders
Rash
22.2%
2/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Skin and subcutaneous tissue disorders
Eczema
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Skin and subcutaneous tissue disorders
Erythema
11.1%
1/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Skin and subcutaneous tissue disorders
Petechiae
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Skin and subcutaneous tissue disorders
Dermatitis
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Skin and subcutaneous tissue disorders
Dermatitis atopic
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Skin and subcutaneous tissue disorders
Perioral dermatitis
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Infections and infestations
Conjunctivitis
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Infections and infestations
Influenza
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Infections and infestations
Otitis media
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Infections and infestations
Upper respiratory tract infection
11.1%
1/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Infections and infestations
Hand-foot-and-mouth disease
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Infections and infestations
Viral infection
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Infections and infestations
Viral upper respiratory tract infection
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Nervous system disorders
Headache
33.3%
3/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Respiratory, thoracic and mediastinal disorders
Allergic cough
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Respiratory, thoracic and mediastinal disorders
Asthma
11.1%
1/9 • Approximately 9 months
33.3%
2/6 • Approximately 9 months
Respiratory, thoracic and mediastinal disorders
Asthma exercise induced
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Respiratory, thoracic and mediastinal disorders
Cough
11.1%
1/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Respiratory, thoracic and mediastinal disorders
Nasal congestion
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Respiratory, thoracic and mediastinal disorders
Oropharyngeal discomfort
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Respiratory, thoracic and mediastinal disorders
Rhinorrhoea
11.1%
1/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Respiratory, thoracic and mediastinal disorders
Sneezing
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Respiratory, thoracic and mediastinal disorders
Throat irritation
11.1%
1/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Respiratory, thoracic and mediastinal disorders
Throat tightness
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Respiratory, thoracic and mediastinal disorders
Dyspnoea
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Respiratory, thoracic and mediastinal disorders
Oropharyngeal pain
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Eye disorders
Conjunctival hyperaemia
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Eye disorders
Eye pruritus
11.1%
1/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Eye disorders
Blepharitis
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Eye disorders
Lacrimation increased
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
General disorders
Malaise
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
General disorders
Pyrexia
11.1%
1/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
General disorders
Chest discomfort
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
General disorders
Fatigue
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Injury, poisoning and procedural complications
Concussion
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Injury, poisoning and procedural complications
Skin abrasion
11.1%
1/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Injury, poisoning and procedural complications
Skin laceration
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Injury, poisoning and procedural complications
Subcutaneous haematoma
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Injury, poisoning and procedural complications
Subdural haematoma
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Injury, poisoning and procedural complications
Arthropod bite
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Immune system disorders
Hypersensitivity
11.1%
1/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Psychiatric disorders
Merycism
11.1%
1/9 • Approximately 9 months
0.00%
0/6 • Approximately 9 months
Psychiatric disorders
Irritability
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Musculoskeletal and connective tissue disorders
Musculoskeletal stiffness
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months
Vascular disorders
Flushing
0.00%
0/9 • Approximately 9 months
16.7%
1/6 • Approximately 9 months

Additional Information

Director of Regulatory Affairs

Aimmune Therapeutics, Inc.

Phone: 650-409-5164

Results disclosure agreements

  • Principal investigator is a sponsor employee There IS an agreement between the Principal Investigator and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed. * Institutions cannot publish until the multi-center sponsor publication is published * Or, institutions cannot publish until 18 months after study completion * And Sponsor review of any publications is required prior to any institution publications according to contractual agreements
  • Publication restrictions are in place

Restriction type: OTHER