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Healthy SubjectsPhase 1NCT02919319

A Single Ascending Dose Study of ACT-541468 in Healthy Male Subjects

A Phase 1 study testing ACT-541468 (Formulation A), ACT-541468 (Formulation B) and 14C-labeled ACT-541468 in people with Healthy Subjects, run by Idorsia Pharmaceuticals Ltd. at 1 site in Netherlands.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The main objectives of this first-into-man study were to investigate the safety, tolerability and the pharmacokinetic profile of single oral doses of ACT-541468 in healthy male adults. Pharmacodynamic effects (through a battery of Central Nervous System tests) were also assessed. Read more about this study

Who is it for?
Ages 18 to 45 years, men onlyHealthy volunteers can take part
Conditions the study is for
Healthy Subjects
What is being tested?
ACT-541468 (Formulation A), ACT-541468 (Formulation B) and 14C-labeled ACT-541468
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
40 participants
Where
1 siteNetherlands
Study dates
1 Feb 2015to 1 May 2015
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 45 years
  • Men only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Signed informed consent prior to any study-mandated procedure.
  • Males aged from 18 to 45 years (inclusive) at screening.
  • Body mass index (BMI) between 18.0 and 30.0 kg/m2 (inclusive) at screening.
  • Systolic blood pressure (SBP), diastolic blood pressure (DBP) and pulse rate (PR) between 100-145 mmHg, 50-90 mmHg and 45-90 bpm (all inclusive) at screening, respectively.
  • Healthy on the basis of physical examination,electrocardiogram and laboratory tests.

Who cannot join

  • Known hypersensitivity to any excipients of the drug formulations.
  • History or presence of any disease or condition or treatment, which may put the subject at risk of participation in the study or may interfere with the absorption, distribution, metabolism or excretion of the study drugs.
  • History of narcolepsy or cataplexy or modified Swiss narcolepsy scale total score < 0 at screening.
  • Any circumstances or conditions, which, in the opinion of the investigator, may affect the subject's full participation in the study or compliance with the protocol.

Trial locations and contacts

1 site in 1 country.

Netherlands1 site
  • Investigator Site

    Leiden, 2333 CL

Other trials in Netherlands

About this study

Official title: Double-blind, Placebo-controlled, Randomized, Single Ascending Dose Study to Investigate the Tolerability, Safety, Pharmacokinetics, Pharmacodynamics, Absolute Bioavailability, Mass Balance, and Metabolism of ACT-541468 in Healthy Male Subjects

The main objectives of this first-into-man study were to investigate the safety, tolerability and the pharmacokinetic profile of single oral doses of ACT-541468 in healthy male adults. Pharmacodynamic effects (through a battery of Central Nervous System tests) were also assessed.

Read the detailed description

The study consisted of ascending dose groups; each dose group was investigated in a new group of 8 healthy male subjects (6 on active drug and 2 on placebo). In addition, the study included a biocomparison part (dose group 2), an absolute bioavailability part (dose group 4), and a mass balance / metabolism part (dose group 3).

Being tested
ACT-541468 (Formulation A), ACT-541468 (Formulation B), Placebo (Formulation A), Placebo (Formulation B), 14C-labeled ACT-541468

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • ACT-541468 (Formulation A)Drug

    Hard gelatin capsules for oral administration formulated at strengths of 5 mg, 25 mg and 100 mg

  • ACT-541468 (Formulation B)Drug

    Soft gelatin capsules for oral administration formulated at the strength of 25 mg

  • Placebo (Formulation A)Drug

    Hard capsules matching ACT-541468 Formulation A

  • Placebo (Formulation B)Drug

    Soft capsules matching ACT-541468 Formulation B

  • 14C-labeled ACT-541468Drug

    Tracer at a nominal dose of 250 nCi (corresponding to 2.02 µg ACT-541468) administered either orally or intravenously

  • Placebo tracerDrug

    Sterile NaCl 0.9% was used as placebo matching the tracer for oral and i.v. administration.

Study groups in NCT02919319
Study groupRoleWhat they receive
Dose group 1ExperimentalSix subjects received 5 mg of ACT-541468 (formulation A) as a single oral dose and two subjects received the matching placebo.
Receives: Drug: ACT-541468 (Formulation A); Drug: Placebo (Formulation A)
Dose group 2ExperimentalThree subjects received a single oral dose (25 mg) of ACT-541468 formulation A during Period 1 and a single oral dose (25 mg) of ACT-541468 formulation B during Period 2. Three other subjects Subjects received ACT-541468 formulation B during Period 1 and ACT-541468 formulation A during Period 2. Two additional subjects received the matching placebos in both treatment periods.
Receives: Drug: ACT-541468 (Formulation A); Drug: ACT-541468 (Formulation B); Drug: Placebo (Formulation A); Drug: Placebo (Formulation B)
Dose group 3ExperimentalSix subjects received 50 mg of ACT-541468 (formulation A) as a single oral dose in combination with a [14C]-ACT-541468 oral tracer for the mass balance and metabolism analyses. Two other subjects received the matching placebos.
Receives: Drug: ACT-541468 (Formulation A); Drug: Placebo (Formulation A); Drug: 14C-labeled ACT-541468; Drug: Placebo tracer
Dose group 4ExperimentalSix subjects received 100 mg of ACT-541468 (formulation A) as a single oral dose in combination with a [14C]-ACT-541468 intravenous tracer for the absolute bioavailability assessment. Two other subjects received the matching placebos.
Receives: Drug: ACT-541468 (Formulation A); Drug: Placebo (Formulation A); Drug: 14C-labeled ACT-541468; Drug: Placebo tracer
Dose group 5ExperimentalSix subjects received 200 mg of ACT-541468 (formulation A) as a single oral dose and two subjects received the matching placebo.
Receives: Drug: ACT-541468 (Formulation A); Drug: Placebo (Formulation A)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of subjects with treatment-emergent adverse events and serious adverse events

    Collection of any adverse event at each dose level

    Measured: Day 8

Secondary outcomes (6)
  1. Maximum plasma concentration (Cmax) of ACT-541468

    Cmax was directly derived from the observed plasma concentrations of ACT-541468 for each dose level

    Measured: From pre-dose up to 168 hours post-dose

  2. Time to reach Cmax (tmax) of ACT-541468

    tmax was directly derived from the observed plasma concentrations of ACT-541468 for each dose level

    Measured: From pre-dose up to 168 hours post-dose

  3. Terminal half-life (t1/2) of ACT-541468

    t1/2 was calculated from the terminal rate constant obtained from the plasma concentrations-time curves of ACT-541468, at each dose level

    Measured: From pre-dose up to 168 hours post-dose

  4. Area under the plasma concentration-time curves [AUC(0-inf)] of ACT-541468

    AUC(0-inf) is the area under the plasma concentration-time curves of ACT-541468, calculated from time 0 (pre-dose) to extrapolated infinite time, at each dose level

    Measured: From pre-dose up to 168 hours post-dose

  5. Percentage of dose excreted in feces and urine

    Percentage of oral dose of 14C-labeled ACT-541468 excreted in feces (FPE), urine (UPE) and both, as determined in the dose group 3

    Measured: From pre-dose up to 168 hours post-dose

  6. Absolute bioavailability (F) of ACT-541468

    Absolute bioavailability was determined for dose group 4 and defined as the ratio of AUC(0-inf) after oral administration of ACT-541468 and after intravenous infusion of 14C-labeled ACT-541468 (tracer)

    Measured: Up to 96 hours post-dose

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted29 Sep 2016 (estimated)
  2. Study start1 Feb 2015
  3. Primary completion1 May 2015
  4. Study completion1 May 2015

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Other
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Care provider, Investigator
Enrolment
40 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02919319
Sponsor's protocol ID
AC-078-101
Other IDs
2014-003129-16, 2014
Status last verified
Jul 2018
First submitted
28 Sep 2016
Last updated
10 Jul 2018
Results posted
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing ACT-541468 (Formulation A), ACT-541468 (Formulation B) and 14C-labeled ACT-541468 in people with Healthy Subjects, run by Idorsia Pharmaceuticals Ltd. at 1 site in Netherlands.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 10 Jul 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Netherlands. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of subjects with treatment-emergent adverse events and serious adverse events (time frame: Day 8). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 Jul 2018.

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