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Bioavailability of Nasal Epinephrine

Bioavailability Comparison of Epinephrine Following a Single Nasal Dose of Microspheres Powder With Epinephrine Intramuscular Injection in Adults With Seasonal Allergic Rhinitis With and Without Nasal Allergen Challenge

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04696822
Enrollment
12
Registered
2021-01-06
Start date
2020-11-01
Completion date
2021-09-28
Last updated
2024-01-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anaphylaxis

Brief summary

A Study to Compare the Bioavailability of Epinephrine following a Single Nasal Dose of FMXIN002 Microspheres Powder with Epinephrine 0.3 mg Intramuscular Injection in Adult Subjects with Seasonal Allergic Rhinitis with and without Nasal Allergen Challenge

Detailed description

Study Design: Open-label, single-dose, two-period, three-treatment, fixed-sequence, comparative bioavailability study Study Population: Non-smoking, male and female subjects, from 18 to 55 years of age with known history of hay fever, seasonal allergies, or rhinitis during the last year.

Interventions

DRUGEpinephrine Nasal Product, 1.6 mg

Single dose Nasal powder spray without allergen challenge

DRUGEpinephrine nasal product, 1.6 mg + allergen

Single dose Nasal powder spray with allergen challenge

DRUGEpinephrine Injection 0.3 mg

Intramuscular injection

DRUGEpinephrine Nasal Product, 3.2 mg

Twice dose Nasal powder spray without allergen challenge

DRUGEpinephrine Nasal Product, 3.2 mg + allergen

Twice dose Nasal powder spray with allergen challenge

Sponsors

Nasus Pharma
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Open-label, single-dose, two-period, three-treatment, fixed-sequence, comparative bioavailability study

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

The following inclusion criteria will be assessed at screening (within 28 days prior to the first drug administration): 1. Non-smoking, male and female subjects from 18 to 55 years of age. 2. Documented Positive skin allergy test during the last year. 3. History of hay fever, seasonal allergies, or rhinitis. 4. BMI ≥18 and \<=30 kg/m2. 5. Females may be of childbearing or non-childbearing potential: * Childbearing potential: o Physically capable of becoming pregnant * Non-childbearing potential: * Surgically sterile (i.e., both ovaries removed, uterus removed, or bilateral tubal ligation); and/or * Postmenopausal (no menstrual period for at least 12 consecutive months without any other medical cause. 6. Willing to use acceptable, effective methods of contraception. 7. Able to tolerate venipuncture. 8. Be informed of the nature of the study and give written consent prior to any study procedure. 9. Willing and being able to remain in the clinic for the entire duration of the confinement period. 10. Have good intravenous access on both arms and hands. \-

Exclusion criteria

Known history or presence of clinically significant neurologic, hematologic, endocrine, oncologic, pulmonary, immunologic, genitourinary, psychiatric, or cardiovascular disease or any other condition which, in the opinion of the Investigator, would jeopardize the safety of the subject or impact the validity of the study results. Known or suspected carcinoma. Known history or presence of hypersensitivity or idiosyncratic reaction to epinephrine, sulfite, other excipients of epinephrine auto-injector, or any other drug substances with similar activity. Known history or presence of clinically significant lactose, galactose, or fructose intolerance. Known history or presence of cardiac arrythmias, coronary artery disease or organic heart disease. Known history or presence of hyperthyroidism. Known history or presence of diabetes. Known history or presence of Parkinson's disease. Known history or presence of any food allergy. Presence of hepatic or renal dysfunction. Presence of nostril or septum piercing. Presence of abnormal nasal anatomy (e.g., polyps, unilateral or bilateral abnormalities of the nares, nasal turbinates, or septum including deviated septum). History of nasal surgery. Presence of a medical condition requiring regular medication (prescription and/or over-the-counter) with systemic absorption. History of drug or alcohol addiction requiring treatment or positive alcohol breath test at check-in. Any acute illness (e.g. cold, acute infection) which is considered significant by the Investigator and that has not resolved within 7 days before the first drug administration. Positive test result for HIV, Hepatitis B surface antigen, or Hepatitis C antibody. Positive test result for urine drugs of abuse (amphetamines, barbiturates, benzodiazepines, cannabinoids, cocaine, methadone, opiates, phencyclidine, and tricyclic antidepressants) or urine cotinine. Difficulty fasting or consuming standard meals. Inability to communicate well with the Investigators and staff (e.g., language problem, poor mental development or impaired cerebral function). Non-cooperative or unwilling to sign consent form or unwilling to attend scheduled clinic visits and/or comply with the study protocol. Use of tobacco or nicotine-containing products within 6 months prior to drug administration. Females who: * Have discontinued or changed the use of implanted, intrauterine, intravaginal, or injected hormonal contraceptives within 6 months prior to drug administration; * Have discontinued or changed the use of oral or patch hormonal contraceptives within 1 month prior to drug administration; * Are pregnant (serum hCG consistent with pregnancy); or * Are lactating. Donation or loss of whole blood (including clinical trials): * ≥50 mL and \<500 mL within 30 days prior to drug administration; * ≥500 mL within 56 days prior to drug administration. Participation in a clinical trial that involved administration of an investigational medicinal product within 30 days prior to drug administration, or recent participation in a clinical investigation that, in the opinion of the Investigator, would jeopardize subject safety or the integrity of the study results. On a special diet within 30 days prior to drug administration (e.g., liquid, protein, raw food diet). Have had a tattoo or body piercing within 30 days prior to drug administration. Have clinically significant findings in vital signs measurements at screening. Systolic blood pressure increase or decrease in value by more than 20 mmHg and/or diastolic blood pressure decrease in value by more than 10 mmHg, from supine or sitting to standing position during orthostatic blood pressure measurement taken at screening. Have clinically significant findings in a 12-lead ECG. Have clinically significant abnormal laboratory values and hemoglobin \<135 g/L for males or \<120 g/L for females at screening. Have significant diseases at the screening. Have clinically significant findings from a physical examination. Use of the following drugs within 14 days prior to drug administration: * Alpha-adrenergic blocking drugs (e.g., phentolamine); * Anti-arrhythmics; * Beta-adrenergic blocking drugs (e.g., propranolol); * Cardiac glycosides; * Diuretics; * Drugs having an effect on cytochrome P450 (CYP450); * Enzyme-altering drugs (e.g., barbiturates, phenothiazines, cimetidine, carbamazepine, etc.); * Enzyme-modifying drugs known to induce/inhibit hepatic drug metabolism; * Ergot alkaloids; * Levothyroxine sodium; * Monoamine oxidase inhibitors; * Oral or topical corticosteroids; * Phenylephrine; * Reserpine-type or clonidine-type antihypertensives; * Sodium cromoglycate; or * Tricyclic antidepressants. Use of the following drugs within 7 days prior to drug administration: * Nasal decongestants; * Nonsteroidal anti-inflammatory drugs (NSAIDs); or * Oral or topical antihistamines.

Design outcomes

Primary

MeasureTime frameDescription
Epinephrine in blood - Cmax-1 hour to 8 hours post-dosepharmacokinetic analysis
Epinephrine in blood- Tmax-1 hour to 8 hours post-dosepharmacokinetic analysis
Epinephrine in blood- AUC-1 hour to 8 hours post-dosepharmacokinetic analysis
Epinephrine in blood- T half-1 hour to 8 hours post-dosepharmacokinetic analysis

Secondary

MeasureTime frameDescription
PulsePrior to drug administrationVital signs
body temperaturemorningSafety Monitoring
electrocardiogram3 hours prior to drug administrationSafety Monitoring
Hemoglobin level in bloodat check-in morningSafety Monitoring, blood test
blood hematocritcheck-in morningSafety Monitoring: the ratio of the volume of red blood cells to the total volume of blood
Blood pressurePrior to drug administrationVital signs

Countries

Israel

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026