A Clinical Study to Examine the Drug-drug Interactions Between ACT-541468 and Citalopram in Healthy Male and Female Subjects

NCT ID: NCT03907215

Last Updated: 2019-10-31

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

24 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-04-09

Study Completion Date

2019-06-26

Brief Summary

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A clinical study to examine the drug-drug interactions between ACT-541468 and citalopram in healthy male and female subjects

Detailed Description

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Conditions

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Healthy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Single-center, single-blind, randomized, placebo-controlled, sequential design Phase 1 study with the inclusion of two double-blind nested crossover parts
Primary Study Purpose

OTHER

Blinding Strategy

DOUBLE

Participants Investigators
Double-blind to the administration of ACT-541468 (participant). Single- and double-blind to the administration of ACT-541468 (Investigator, single-/double blind is dependent on treatment arm team). Single-blind study with the inclusion of two double-blind nested crossover parts, i.e., subjects will remain blinded to all administrations of ACT-541468.

Study Groups

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Treatment A and B

On Day 1 and Day 2, subjects will EITHER receive:

* a single dose of 50 mg ACT-541468 (Treatment A) on Day 1 and a single dose of ACT- 541468 placebo (Treatment B) on Day 2 OR
* a single dose of ACT-541468 placebo (Treatment B) on Day 1 and a single dose of 50 mg ACT-541468 (Treatment A) on Day 2.

Group Type OTHER

ACT541468

Intervention Type DRUG

50 mg; film-coated tablet for oral use

ACT541468 placebo

Intervention Type DRUG

film-coated tablet for oral use

Treatment C, D, E, and F

From Day 3 to Day 10, subjects will on each day receive:

• a single dose of 20 mg citalopram and EITHER a single dose of ACT-541468 placebo OR a single dose of 50 mg ACT-541468.

Group Type OTHER

ACT541468

Intervention Type DRUG

50 mg; film-coated tablet for oral use

ACT541468 placebo

Intervention Type DRUG

film-coated tablet for oral use

Citalopram

Intervention Type DRUG

20 mg; tablet tor oral use; for single- or repeated dosing

Interventions

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ACT541468

50 mg; film-coated tablet for oral use

Intervention Type DRUG

ACT541468 placebo

film-coated tablet for oral use

Intervention Type DRUG

Citalopram

20 mg; tablet tor oral use; for single- or repeated dosing

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Signed informed consent prior to any study-mandated procedure.
* Healthy male and female subjects aged between 24 and 55 years (inclusive) at Screening.
* Body mass index of 18.5 to 29.9 kg/m2 (inclusive) at Screening.
* Women of childbearing potential must have a negative serum pregnancy test at Screening and a negative urine pregnancy test on Day -1. They must consistently and correctly use a highly effective method of contraception, be sexually inactive, or have a vasectomized partner.
* Women of non-childbearing potential (i.e., postmenopausal, with previous bilateral salpingectomy, bilateral salpingo oophorectomy or hysterectomy, or with premature ovarian failure, XY genotype, Turner syndrome, uterine agenesis).
* Healthy on the basis of physical examination, cardiovascular assessments, and clinical laboratory tests.

Exclusion Criteria

* Pregnant or lactating women.
* Any circumstances or conditions, which, in the opinion of the investigator, may affect full participation in the study or compliance with the protocol.
* Modified Swiss Narcolepsy Scale total score \< 0 at Screening or history of narcolepsy or cataplexy.
* Any contraindication to citalopram or any other selective serotonin reuptake inhibitor.
* History of cardiovascular disease (e.g., congenital long QT syndrome, arrhythmia).
* Relevant history of a suicide attempt or suicidal behavior.
* Personal or family history of psychiatric disorder(s).
* Individuals of Asian descent.
* History or clinical evidence of alcoholism or drug abuse within the 3-year period prior to Screening.
* Excessive caffeine consumption, defined as ≥ 800 mg per day at screening.
* Previous treatment with any prescribed medications (including vaccines) or over-the-counter (OTC) medications (including herbal medicines such as St John's Wort, homeopathic preparations, vitamins, and minerals) within 2 weeks or 5 terminal half-lives (t½; whichever is longer) prior to first study treatment administration.
* Ongoing, recurrent, or chronic hypokalemia or hypomagnesemia.
Minimum Eligible Age

24 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Idorsia Pharmaceuticals Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Clinical Trials

Role: STUDY_DIRECTOR

Idorsia Pharmaceuticals Ltd.

Locations

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Parexel International GmbH

Berlin, , Germany

Site Status

Countries

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Germany

Other Identifiers

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ID-078-114

Identifier Type: -

Identifier Source: org_study_id