ConductScience.org, home

Trial · NCT03366298

Pharmacokinetics of Intramuscular Adrenaline in Food--Allergic Teenagers

NCT03366298, Phase 4, Completed, Imperial College London; results first posted 2021-04-05

3 sourcestrials-2026-11-12-0.5.0

Download JSON
Cite this record

ConductScience Library. Pharmacokinetics of Intramuscular Adrenaline in Food--Allergic Teenagers. Trials, record NCT03366298. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT03366298

On this page

Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Pharmacokinetics of Intramuscular Adrenaline in Food--Allergic Teenagers
NCT number
NCT03366298
Status
Completed
Phases
Phase 4
Enrollment
12 participants, actual
Lead sponsor
Imperial College London
Conditions
Anaphylaxis
Interventions
Epipen 0.3mg, Emerade 300mcg, Emerade 500mcg
First posted
2017-12-08
Last updated
2022-09-07
Other registries' IDs
eudract:2017-003239-13
Results first posted
2021-04-05

Source ClinicalTrials.gov

Registered outcomes14

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryPlasma Catecholamine Levels (Maximum Concentration, Cmax)3 hoursPharmacokinetics (plasma catecholamine levels: Cmax) following intramuscular self-injection of 300mcg and 500mcg adrenaline using an auto-injector device, in food-allergic teenagers over 40kg.
PrimaryPlasma Catecholamine Levels (Time to Maximum Concentration, Tmax)3 hoursPharmacokinetics (plasma catecholamine levels: Tmax) following intramuscular self-injection of 300mcg and 500mcg adrenaline using an auto-injector device, in food-allergic teenagers over 40kg.
PrimaryPlasma Catecholamine Levels (Maximum Concentration, Area-under-curve (AUC))At at the following timepoints following injection: 5, 10, 15, 20, 30, 45, 60, 80, 100, 120 and 180 minutes
Pharmacokinetics (plasma catecholamine levels: AUC) following intramuscular self-injection of 300mcg and 500mcg adrenaline using an auto-injector device, in food-allergic teenagers over 40kg. Baseline corrected.
SecondaryChange in Heart Rate Following Self-injection of Adrenaline (300mcg, 500mcg) on Separate Occasions.3 hoursPharmacodynamics (heart rate) following intramuscular self-injection of 300mcg and 500mcg adrenaline using an auto-injector device, in food-allergic teenagers over 40kg.
SecondaryChange in Blood Pressure Following Self-injection of Adrenaline (300mcg, 500mcg) on Separate Occasions.3 hoursPharmacodynamics (blood pressure) following intramuscular self-injection of 300mcg and 500mcg adrenaline using an auto-injector device, in food-allergic teenagers over 40kg.
SecondaryChange in Stroke Volume Following Self-injection of Adrenaline (300mcg, 500mcg) on Separate Occasions.3 hoursPharmacodynamics (stroke volume) following intramuscular self-injection of 300mcg and 500mcg adrenaline using an auto-injector device, in food-allergic teenagers over 40kg.
SecondaryImpact of Needle Length on Pharmacokinetics (Plasma Catecholamine Levels: Cmax)3 hours
Pharmacokinetics (plasma catecholamine levels: Cmax) following intramuscular self-injection of 300mcg adrenaline using two auto-injector devices with different needle lengths (15mm vs 23mm), in food-allergic teenagers over 40kg.
SecondaryImpact of Needle Length on Pharmacokinetics (Plasma Catecholamine Levels: Tmax)3 hours
Pharmacokinetics (plasma catecholamine levels: Tmax) following intramuscular self-injection of 300mcg adrenaline using two auto-injector devices with different needle lengths (15mm vs 23mm), in food-allergic teenagers over 40kg.
SecondaryImpact of Needle Length on Pharmacokinetics (Plasma Catecholamine Levels: AUC)3 hours
Pharmacokinetics (plasma catecholamine levels: AUC) following intramuscular self-injection of 300mcg adrenaline using two auto-injector devices with different needle lengths (15mm vs 23mm), in food-allergic teenagers over 40kg.
SecondaryImpact of Needle Length on Pharmacodynamics (Cardiovascular Parameters: Heart Rate)3 hours
The pharmacodynamics (cardiovascular parameters: heart rate) following intramuscular self-injection of 300mcg adrenaline using two auto-injector devices with different needle lengths (15mm vs 23mm), in food-allergic teenagers over 40kg.

Outcomes14

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYPlasma Catecholamine Levels (Maximum Concentration, Cmax)3 hourspg/mlMEAN
PRIMARYPlasma Catecholamine Levels (Time to Maximum Concentration, Tmax)3 hoursminutesMEAN
PRIMARYPlasma Catecholamine Levels (Maximum Concentration, Area-under-curve (AUC))At at the following timepoints following injection: 5, 10, 15, 20, 30, 45, 60, 80, 100, 120 and 180 minuteshr*pg/mlMEAN
SECONDARYChange in Heart Rate Following Self-injection of Adrenaline (300mcg, 500mcg) on Separate Occasions.3 hours
SECONDARYChange in Blood Pressure Following Self-injection of Adrenaline (300mcg, 500mcg) on Separate Occasions.3 hours
SECONDARYChange in Stroke Volume Following Self-injection of Adrenaline (300mcg, 500mcg) on Separate Occasions.3 hours
SECONDARYImpact of Needle Length on Pharmacokinetics (Plasma Catecholamine Levels: Cmax)3 hours
SECONDARYImpact of Needle Length on Pharmacokinetics (Plasma Catecholamine Levels: Tmax)3 hours
SECONDARYImpact of Needle Length on Pharmacokinetics (Plasma Catecholamine Levels: AUC)3 hours
SECONDARYImpact of Needle Length on Pharmacodynamics (Cardiovascular Parameters: Heart Rate)3 hours

Results by group21

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Plasma Catecholamine Levels (Maximum Concentration, Cmax)Emerade 300mcg Injection21895% Confidence Interval 132 to 359pg/ml
Plasma Catecholamine Levels (Maximum Concentration, Cmax)Emerade 500mcg Injection39495% Confidence Interval 310 to 500pg/ml
Plasma Catecholamine Levels (Maximum Concentration, Cmax)Epipen 0.3mg29095% Confidence Interval 200 to 421pg/ml
Plasma Catecholamine Levels (Time to Maximum Concentration, Tmax)Emerade 300mcg Injection9.695% Confidence Interval 5.3 to 17.4minutes
Plasma Catecholamine Levels (Time to Maximum Concentration, Tmax)Emerade 500mcg Injection8.595% Confidence Interval 6.1 to 11.8minutes
Plasma Catecholamine Levels (Time to Maximum Concentration, Tmax)Epipen 0.3mg5.995% Confidence Interval 4.9 to 7.3minutes
Plasma Catecholamine Levels (Maximum Concentration, Area-under-curve (AUC))Emerade 300mcg Injection17495% Confidence Interval 86 to 354hr*pg/ml
Plasma Catecholamine Levels (Maximum Concentration, Area-under-curve (AUC))Emerade 500mcg Injection38795% Confidence Interval 263 to 570hr*pg/ml
Plasma Catecholamine Levels (Maximum Concentration, Area-under-curve (AUC))Epipen 0.3mg20395% Confidence Interval 142 to 292hr*pg/ml
Adverse Events Following Self-administration of Adrenaline Via Autoinjector DeviceEmerade 300mcg InjectionPain at injection site8Participants

Participant flow12

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDEmerade 300 / Epipen 0.3mg / Emerade 5003
Overall StudySTARTEDEpipen 0.3mg / Emerade 300 / Emerade 5003
Overall StudySTARTEDEmerade 500 / Emerade 300 / Epipen 0.3mg3
Overall StudySTARTEDEmerade 500 / Epipen 0.3mg / Emerade 3003
Overall StudyCOMPLETEDEmerade 300 / Epipen 0.3mg / Emerade 5003
Overall StudyCOMPLETEDEpipen 0.3mg / Emerade 300 / Emerade 5003
Overall StudyCOMPLETEDEmerade 500 / Emerade 300 / Epipen 0.3mg3
Overall StudyCOMPLETEDEmerade 500 / Epipen 0.3mg / Emerade 3003
Overall StudyNOT COMPLETEDEmerade 300 / Epipen 0.3mg / Emerade 5000
Overall StudyNOT COMPLETEDEpipen 0.3mg / Emerade 300 / Emerade 5000

Adverse events6

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherPalpitationsCardiac disordersEmerade 300mcg Injection3123
otherPalpitationsCardiac disordersEmerade 500mcg Injection4124
otherPalpitationsCardiac disordersEpipen 0.3mg3123
otherTremorNervous system disordersEmerade 300mcg Injection3123
otherTremorNervous system disordersEmerade 500mcg Injection7127
otherTremorNervous system disordersEpipen 0.3mg8128

Adverse event totals9

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityEmerade 300mcg Injection012
Total, all-cause mortalityEmerade 500mcg Injection012
Total, all-cause mortalityEpipen 0.3mg012
Total, other adverse eventsEmerade 300mcg Injection412
Total, other adverse eventsEmerade 500mcg Injection912
Total, other adverse eventsEpipen 0.3mg812
Total, serious adverse eventsEmerade 300mcg Injection012
Total, serious adverse eventsEmerade 500mcg Injection012
Total, serious adverse eventsEpipen 0.3mg012

Papers1

The papers the trial lists on ClinicalTrials.gov.

PMIDListed as
36794963DERIVED

Source PubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT03366298

GET https://conductscience.org/api/trials/v1/NCT03366298/results?page=2