Safety and Pharmacokinetic Study of Inhaled Esketamine in Healthy Volunteers

Phase 1

Completed

• Conditions: Healthy Volunteers
• Interventions: Drug: Esketamine DPI; Drug: Placebo DPI

• Registration Number: NCT03407872
• Lead Sponsor: Celon Pharma SA

Brief Summary

The planned study is to determine the pharmacokinetic properties of Esketamine and safety assessment with inhaled Esketamine after different number of inhalations and different dosing sequences within three parts of the study.

Detailed Description

This is to be one-centre, single ascending dose and double-blind placebo controlled multiple dose three part study of Esketamine DPI (dry powder inhaler) in healthy volunteers.

PART A is a single dose, open-label part with Esketamine DPI inhalations administered with dose escalation between cohorts.

PART B is a single dose, open-label part with Esketamine DPI inhalations administered in different dosing sequences with dose escalation between cohorts.

PART C is a multiple dose, double-blind, placebo-controlled part with Esketamine DPI inhalations administered in different cycles of treatment (with four dosing sequences within two weeks) with dose escalation between cohorts. Participants in this part will be randomized to receive Esketamine DPI or placebo in 3:1 ratio.

Pharmacokinetic properties and safety of Esketamine DPI will be determined following different number of inhalations in PART A, different dosing sequences in PART B and different cycles of treatment in PART C.

Study Timeline

• Study Start: 2017-12-09
• Study First Submitted: 2018-01-08
• Study First Submitted QC: 2018-01-16
• Study First Posted: 2018-01-23
• Primary Completion: 2018-05-20
• Study Completion: 2018-06-19
• Status Verified: 2018-07
• Last Update Submitted: 2018-07-11
• Last Update Posted: 2018-07-12

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 63

Inclusion Criteria

• Caucasian female or male,
• Age: 18-55 years old, inclusive,
• Body-mass index (BMI): ≥18.5 kg/m^2 and <29.9 kg/m^2
• Non-smoker and nonuser of tobacco products for at least 1 year before screening,
• Physical examination without any clinically relevant abnormality,
• Laboratory values not clinically significant,
• Volunteer (or his/her partner) of childbearing potential willingness to use acceptable forms of contraception.

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Exclusion Criteria

• Known allergy or hypersensitivity to ketamine or its derivates and/or to any study product excipients,
• Any known significant current or past acute or chronic disease or condition,
• Participation in other clinical trial within 90 days preceding the screening,
• Blood drawn within 30 days prior to inclusion to the study (more or equal to 300mL),
• Positive results from pregnancy test for female participants,
• Lactation in women participants,
• Hypotension or hypertension in medical history,
• Narcotic, alcohol addiction or abuse,
• Participant who adhere to a special diet (e.g. low calories, vegetarian).

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SEQUENTIAL

Arm && Interventions

Group	Intervention	Description
PART B	Esketamine DPI	4 cohorts will receive single dose of Esketamine DPI administered with dose escalation between cohorts.
PART C	Esketamine DPI	4 cohorts will receive multiple dose of Esketamine DPI in two weeks' time administered with dose escalation between cohorts.
PART A	Esketamine DPI	6 cohorts will receive single dose of Esketamine DPI administered with dose escalation between cohorts.
PART C placebo	Placebo DPI	4 cohorts will receive multiple dose of matching placebo in two weeks' time.

Primary Outcome Measures

Name	Time	Method
Number of inhalations needed to achieve the assumed Esketamine antidepressive plasma concentration.	up to 24 hours after study drug administration in PART A
Number of inhalations within dosing sequence needed to maintain the assumed Esketamine antidepressive plasma concentration.	up to 24 hours after study drug administration in PART B
Cmax - maximum Esketamine plasma concentration	up to 24 hours after each study drug administration in PART A, B and C of the study.	The maximum concentration of the Esketamine in plasma after drug administration, obtained directly from the measured concentrations.
AUC (0-24) - area under the Esketamine plasma concentration-time curve from time 0 to 24 hours after study drug administration	up to 24 hours after each study drug administration in PART A, B and C of the study.	The AUC(0-24) is a measure of total plasma exposure to the drug from time point zero to 24 hours after study drug administration.

Secondary Outcome Measures

Name	Time	Method
Kel -elimination rate constant	up to 24 hours after each study drug administration in PART A, B and C of the study.	Kel will be estimated via linear regression of time versus log of concentration.
Cmax - maximum Esnorketamine plasma concentration	up to 24 hours after each study drug administration in PART A, B and C of the study.	The maximum concentration of the Esnorketamine in plasma after drug administration, obtained directly from the measured concentrations. Esnorketamine is Esketamine's main metabolite.
Tmax - time to reach maximum Esketamine plasma concentration	up to 24 hours after each study drug administration in PART A, B and C of the study.	The Tmax is time to reach the maximum plasma concentration (Cmax), obtained directly from the actual sampling times.
AUC (0-24) - area under the Esnorketamine plasma concentration-time curve from time 0 to 24 hours after study drug administration.	up to 24 hours after each study drug administration in PART A, B and C of the study.	The AUC(0-24) is a measure of total Esnorketamine plasma exposure to the metabolite from time point zero to 24 hours after study drug administration. Esnorketamine is Esketamine's main metabolite.
Tmax - time to reach maximum Esnorketamine plasma concentration.	up to 24 hours after each study drug administration in PART A, B and C of the study.	The Tmax is time to reach the maximum Esnorketamine plasma concentration (Cmax), obtained directly from the actual sampling times. Esnorketamine is Esketamine's main metabolite.
AUC (0-inf) - area under the Esketamine plasma concentration-time curve from time 0 to infinity time	up to 24 hours after each study drug administration in PART A, B and C of the study.	The AUC(0-inf) is a measure of total plasma exposure to the drug from time point zero extrapolated to infinity.
T1/2 - plasma elimination half-life for Esketamine	up to 24 hours after each study drug administration in PART A, B and C of the study.	T1/2 will be calculated as 0.693/Kel.
Number of participants with adverse events (AEs) and Serious Adverse Events (SAEs).	up to 7 days in PART A and PART B of the study and up to 25 days in PART C of the study.	Participants during hospitalization will be closely observed to assure maximal safety and to collect occurrence of all adverse event. To follow-up on all study participants telephone calls with a request for information regarding their health condition will be made. All adverse events will be collected with special attention to occurrence of psychotomimetic and dissociative effects after study drug administration.

Trial Locations

Locations (1)

BioResearch Group Sp. z o.o.; 🇵🇱 Kajetany, Poland