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HealthyPhase 1NCT05070702

First in Human Study of CT-1500 in Healthy Participants

A Phase 1 study testing CT-1500 in people with Healthy, run by Circadian Therapeutics Ltd at 1 site in Australia.

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

This study is a single center, randomized, placebo-controlled, double-blind study of CT-1500 in healthy volunteers. The study will evaluate the safety, tolerability and pharmacokinetics of single ascending doses and multiple ascending doses of orally administered CT-1500 compared to placebo. Read more about this study

Who is it for?
Ages 18 to 60 yearsHealthy volunteers can take part
Conditions the study is for
Healthy
What is being tested?
CT-1500
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
64 participants
Where
1 siteAustralia
Study dates
8 Nov 2021to 7 Jul 2022
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 60 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Generally healthy with the exception of those medical conditions allowed per the study criteria
  • Able to provide voluntary, written informed consent with comprehension of all aspects of the protocol, prior to any study procedures
  • Body Mass Index (BMI) of 18.5 to 32 kg/m2 and weight >48 kg
  • Systolic Blood Pressure (BP) of 90-140 mmHg, Diastolic BP of 40-90 mmHg and Heart Rate between 40 and 100 bpm
  • Forced Expiratory Volume in one second (FEV1) > 85% predicted
  • Clinical laboratory results at screening and Day -1 to be within normal limits unless deemed as not clinically significant by the investigator
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  • Willing to consume bovine containing products (investigational product capsules are bovine gelatin in origin);
  • Agree not to donate blood or plasma products for at least 30 days after the end of study (EOS) visit
  • Women of childbearing potential must have a negative serum pregnancy test at screening and a negative urine pregnancy test at Day -1, must not be breastfeeding, lactating or planning a pregnancy and must use an acceptable form of contraception during the treatment period and for 32 days after the last dose
  • Male participants with a female partner of childbearing potential must agree to use an acceptable form of contraception during the treatment period and for 92 days after the last dose

Who cannot join

  • Significant current or historical disease, including intercurrent illness in the 4 weeks prior to screening
  • Current or historical diagnosis of sleep disorders
  • Hepatic disorders other than benign unconjugated hyperbilirubinaemia
  • History of moderate or severe psychiatric illness
  • History of severe allergy or anaphylaxis to any drug, food, toxin or other exposure
  • Heavy caffeine drinker in the last 3 months. If subjects are willing to reduce their caffeine intake for 14 days prior to first dose and for the duration of the study, they can participate
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  • Hypersensitivity to CT-1500 or any of the inert excipients in the capsule formulation
  • Positive hepatitis B surface antigen (HBsAg), positive hepatitis C antibody (HCV) or positive human immunodeficiency virus (HIV) test
  • Treatment with an investigational drug within 30 days or less than 5 half-lives (whichever is longer) prior to screening
  • Use of prescription medication within 14 days prior to investigational product administration until the end of study visit, with the exception of oral contraceptives.
  • Use of over-the-counter medication and supplements for 7 days prior to investigation product administration until the end of study visit. Exceptions at the discretion of the investigator.
  • Receipt of a Coronavirus disease 2019 (COVID-19) vaccine within 14 days prior to investigational product administration or a planned second dose of a COVID-19 vaccine during study participation
  • Use of tobacco or nicotine-containing products in excess of 2 cigarettes per day within 1 month prior to screening
  • Major surgery in the 6 months preceeding screening or planned surgery during the study
  • Donated blood or blood products or had a substantial loss of blood with 3 months prior to screening
  • A history of drug abuse or addiction
  • A history of alcoholism or consumption of more than 3 alcoholic drinks per day or consumption of alcohol within 48 hours prior to first dose
  • Unable to abstain from grapefruit-containing foods or beverages or Seville orange-containing foods or beverages from 48 hours prior to investigational product administration until completion of the confinement period;
  • Unable to avoid heavy exercise (eg, marathon runners, weight-lifters) from 48 hours prior to investigational product administration until completion of the confinement period

Trial locations and contacts

1 site in 1 country.

Australia1 site
  • Nucleus Network

    Melbourne, Victoria, 3004

Other trials in Australia

About this study

Official title: First in Human Study in Healthy Subjects to Investigate the Safety, Tolerability and Pharmacokinetics of Single Ascending and Repeat Doses of CT-1500

This study is a single center, randomized, placebo-controlled, double-blind study of CT-1500 in healthy volunteers. The study will evaluate the safety, tolerability and pharmacokinetics of single ascending doses and multiple ascending doses of orally administered CT-1500 compared to placebo.

Read the detailed description

This study is a single center, randomized, placebo-controlled, double-blind study of CT-1500 in healthy volunteers. The study will evaluate the safety, tolerability and pharmacokinetics of single ascending doses and multiple ascending doses of orally administered CT-1500 compared to placebo. It is planned for 5 dose levels to be investigated in the single ascending dose (SAD) part (Part 1) of the study, between 5 mg to 120 mg. Three dose levels are proposed for investigation in the multiple ascending dose (MAD) part (Part 2) of the study.

Conditions
Healthy
Being tested
CT-1500, Placebo

What participants receive

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

  • CT-1500Drug

    Hard Capsule

  • PlaceboDrug

    Hard Capsule

Study groups in NCT05070702
Study groupRoleWhat they receive
CT-1500 Active (SAD)Experimental6 out of 8 participants per cohort (up to 5 cohorts) will be randomized to receive a single oral dose of CT-1500 between 5 mg and 120 mg
Receives: Drug: CT-1500
Placebo (SAD)Placebo comparator2 out of 8 participants per cohort (up to 5 cohorts) will be randomized to receive a single oral dose of matching placebo
Receives: Drug: Placebo
CT-1500 Active (MAD)Experimental6 out of 8 participants per cohort (up to 3 cohorts) will be randomized to receive 7 daily oral doses of CT-1500 between 5 and 45 mg
Receives: Drug: CT-1500
Placebo (MAD)Placebo comparator2 out of 8 participants per cohort (up to 3 cohorts) will be randomized to receive 7 daily oral doses of matching placebo
Receives: Drug: Placebo

What is being measured

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

  1. Adverse Events (AEs) and Serious Adverse Events (SAEs) during the SAD part of the study

    Incidence and severity of AEs and SAEs

    Measured: Initiation of dosing through 7 days post dose

  2. Adverse Events and Serious Adverse Events during the MAD part of the study

    Incidence and severity of AEs and SAEs

    Measured: Initiation of dosing through 14 days post dose

  3. Tolerability of CT-1500 as defined by change from baseline in Heart Rate (SAD)

    Measured: Initiation of dosing through 7 days post dose

  4. Tolerability of CT-1500 as defined by change from baseline in Heart Rate (MAD)

    Measured: Initiation of dosing through 14 days post dose

  5. Tolerability of CT-1500 as defined by change from baseline in Respiratory Rate (SAD)

    Measured: Initiation of dosing through 7 days post dose

  6. Tolerability of CT-1500 as defined by change from baseline in Respiratory Rate (MAD)

    Measured: Initiation of dosing through 14 days post dose

  7. Tolerability of CT-1500 as defined by change from baseline in Electrocardiogram Assessment (SAD)

    Change in QT interval from baseline

    Measured: Initiation of dosing through 7 days post dose

  8. Tolerability of CT-1500 as defined by change from baseline in Electrocardiogram assessment (MAD)

    Change in QT interval from baseline

    Measured: Initiation of dosing through 14 days post dose

  9. Tolerability of CT-1500 as defined by change from baseline in Spirometry assessment (SAD)

    Change from baseline in Forced Expiratory Volume in 1 second (FEV1)

    Measured: Initiation of dosing through 7 days post dose

  10. Tolerability of CT-1500 as defined by change from baseline in Spirometry assessment (MAD)

    Change from baseline in Forced Expiratory Volume in 1 second (FEV1)

    Measured: Initiation of dosing through 14 days post dose

  11. Change in Renal function from baseline (SAD)

    Renal Function as assessed by change in estimated Glomerular Filtration Rate from baseline

    Measured: Initiation of dosing through 24 hours post dose

  12. Change in Renal function from baseline (MAD)

    Renal Function as assessed by change in estimated Glomerular Filtration Rate from baseline

    Measured: Initiation of dosing on Day 1 through 24 hours and initiation of dosing on Day 7 through 24 hours

Secondary outcomes (20)
  1. Pharmacokinetic parameter: AUC-last (SAD)

    Area under the plasma concentration time curve (AUC) from time zero until the last measurable concentration of CT-1500 is observed during the SAD part of the study

    Measured: Baseline (predose) through 48 hours post dose

  2. Pharmacokinetic parameter: AUC-last (SAD)

    Area under the plasma concentration time curve from time zero until the last measurable concentration of metabolite CT-1517 is observed during the SAD part of the study

    Measured: Baseline (predose) through 48 hours post dose

  3. Pharmacokinetic parameter: AUC-last (SAD)

    Area under the plasma concentration time curve from time zero until the last measurable concentration of metabolite CT-1518 is observed during the SAD part of the study

    Measured: Baseline (predose) through 48 hours post dose

  4. Pharmacokinetic parameter: AUC-last (MAD)

    Area under the plasma concentration time curve from time zero until the last measurable concentration of CT-1500 is observed during the MAD part of the study

    Measured: Baseline (predose) on Day 1 through 24 hours post dose and Baseline (predose) on Day 7 through 24 hours

  5. Pharmacokinetic parameter: AUC-last (MAD)

    Area under the plasma concentration time curve from time zero until the last measurable concentration of metabolite CT-1517 is observed during the MAD part of the study

    Measured: Baseline (predose) on Day 1 through 24 hours post dose and Baseline (predose) on Day 7 through 24 hours

  6. Pharmacokinetic parameter: AUC-last (MAD)

    Area under the plasma concentration time curve from time zero until the last measurable concentration of metabolite CT-1518 is observed during the MAD part of the study

    Measured: Baseline (predose) on Day 1 through 24 hours post dose and Baseline (predose) on Day 7 through 24 hours

  7. Pharmacokinetic parameter: AUC-inf (SAD)

    Area under the plasma concentration time curve from time zero to infinity of CT-1500 is observed during the SAD part of the study

    Measured: Baseline (predose) through 48 hours post dose

  8. Pharmacokinetic parameter: AUC-inf (MAD)

    Area under the plasma concentration time curve from time zero to infinity of CT-1500 is observed during the MAD part of the study

    Measured: Baseline (predose) on Day 1 through 24 hours post dose and Baseline (predose) on Day 7 through 24 hours

  9. Pharmacokinetic parameter: Cmax (SAD)

    Maximal measured plasma concentration (Cmax) of CT-1500 during the SAD part of the study

    Measured: Baseline (predose) through 48 hours post dose

  10. Pharmacokinetic parameter: Cmax (SAD)

    Maximal measured plasma concentration of metabolite CT-1517 during the SAD part of the study

    Measured: Baseline (predose) through 48 hours post dose

  11. Pharmacokinetic parameter: Cmax (SAD)

    Maximal measured plasma concentration of metabolite CT-1518 during the SAD part of the study

    Measured: Baseline (predose) through 48 hours post dose

  12. Pharmacokinetic parameter: Cmax (MAD)

    Maximal measured plasma concentration of CT-1500 during the MAD part of the study

    Measured: Baseline (predose) on Day 1 through 24 hours post dose and Baseline (predose) on Day 7 through 24 hours

  13. Pharmacokinetic parameter: Cmax (MAD)

    Maximal measured plasma concentration of metabolite CT-1517 during the MAD part of the study

    Measured: Baseline (predose) on Day 1 through 24 hours post dose and Baseline (predose) on Day 7 through 24 hours

  14. Pharmacokinetic parameter: Cmax (MAD)

    Maximal measured plasma concentration of metabolite CT-1518 during the MAD part of the study

    Measured: Baseline (predose) on Day 1 through 24 hours post dose and Baseline (predose) on Day 7 through 24 hours

  15. Pharmacokinetic parameter: Tmax (SAD)

    Time when Maximal measured plasma concentration is observed (Tmax) of CT-1500 during the SAD part of the study

    Measured: Baseline (predose) through 48 hours post dose

  16. Pharmacokinetic parameter: Tmax (SAD)

    Time when Maximal measured plasma concentration is observed of metabolite CT-1517 during the SAD part of the study

    Measured: Baseline (predose) through 48 hours post dose

  17. Pharmacokinetic parameter: Tmax (SAD)

    Time when Maximal measured plasma concentration is observed of metabolite CT-1518 during the SAD part of the study

    Measured: Baseline (predose) through 48 hours post dose

  18. Pharmacokinetic parameter: Tmax (MAD)

    Time when Maximal measured plasma concentration is observed of CT-1500 during the MAD part of the study

    Measured: Baseline (predose) on Day 1 through 24 hours post dose and Baseline (predose) on Day 7 through 24 hours

  19. Pharmacokinetic parameter: Tmax (MAD)

    Time when Maximal measured plasma concentration is observed of metabolite CT-1517 during the MAD part of the study

    Measured: Baseline (predose) on Day 1 through 24 hours post dose and Baseline (predose) on Day 7 through 24 hours

  20. Pharmacokinetic parameter: Tmax (MAD)

    Time when Maximal measured plasma concentration is observed of metabolite CT-1518 during the MAD part of the study

    Measured: Baseline (predose) on Day 1 through 24 hours post dose and Baseline (predose) on Day 7 through 24 hours

Timeline

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

  1. First posted7 Oct 2021
  2. Study start8 Nov 2021
  3. Primary completion7 Jul 2022
  4. Study completion7 Jul 2022

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
Sequential
Model description
Ascending Single Doses followed by Ascending Multiple Doses of Study Intervention
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
64 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05070702
Sponsor's protocol ID
CT-1500-01
Status last verified
Jul 2022
First submitted
13 Sep 2021
Last updated
15 Jul 2022
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: The Sponsor will consider requests from appropriately qualified researchers for study information and participant data upon a formal request to contact@circadiantherapeutics.com.

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing CT-1500 in people with Healthy, run by Circadian Therapeutics Ltd at 1 site in Australia.

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 10 inclusion and 19 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 15 Jul 2022. 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 Australia. 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. Some participants in this study may receive a placebo. 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?

Adverse Events (AEs) and Serious Adverse Events (SAEs) during the SAD part of the study (time frame: Initiation of dosing through 7 days post dose). The study lists 12 primary outcomes in all. 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 15 Jul 2022.

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