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Healthy VolunteersPhase 1NCT06435039

A Study of APL-1501 Extended Release Capsules Compared to APL-1202 Immediate Release Tablets in Healthy Volunteers

A Phase 1 study testing APL-1202 and APL-1501 in people with Healthy Volunteers, run by Syneos Health at 1 site in Australia.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

The primary objective of the study is to assess safety and tolerability following administration of single doses of APL-1202 (immediate release) IR tablets and APL-1501 extended release (ER) capsules in healthy participants. Read more about this study

Who is it for?
Ages 18 to 65 years, men onlyHealthy volunteers can take part
Conditions the study is for
Healthy Volunteers
What is being tested?
APL-1202 and APL-1501
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
12 participants
Where
1 siteAustralia
Study dates
21 Jun 2024to 16 Jul 2024
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 65 years
  • Men only
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Participants must meet all of the following criteria to be included in the study:
  • Male, >=18 and less than or equal to (<=) 65 years of age, with body mass index (BMI) greater than (>) 18.5 and less than (<) 32.0 kilogram per square meter (kg/m^2) and body weight >=50.0 kilogram (kg).
  • Non-smoker (no use of tobacco or nicotine products, example, snuff, chewing tobacco, cigars, cigarettes, pipes, e-cigarettes [vaping] etc. within 3 months prior to screening).
  • Healthy as defined by:
  • the absence of clinically significant illness and surgery within 4 weeks prior to study drug administration.
  • the absence of clinically significant history of neurological, endocrine, cardiovascular, respiratory, hematological, immunological, psychiatric, gastrointestinal, renal, hepatic, and metabolic disease.
  • Sexually active non-sterile males must be willing to use an acceptable contraceptive method throughout the study.
  • Able to understand the study procedures and provide signed informed consent to participate in the study.

Who cannot join

  • Participants to whom any of the following applies will be excluded from the study:
  • Any clinically significant abnormal finding at physical examination.
  • Clinically significant abnormal laboratory test results or positive serology test results for hepatitis B surface antigen (HBsAg), hepatitis C antibody (HCV) antibody, or Human immunodeficiency virus (HIV) antigen and antibody.
  • Positive urine drug screen, cotinine test, or alcohol breath test.
  • History of significant allergic reactions (example, anaphylactic reaction, hypersensitivity, angioedema) to any drug.
  • Clinically significant Electrocardiograms (ECG) abnormalities or vital signs abnormalities (systolic blood pressure [BP] lower than 90 or over 140 millimeters of mercury [mmHg], diastolic BP lower than 50 or over 90 mmHg, heart rate [HR] less than 40 or over 100 beats per minute [bpm], or RR less than 10 or over 25 bpm) at screening.
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  • History of drug abuse within 1 year prior to screening or recreational use of marijuana within 1 month or other illegal drugs such as cocaine, phencyclidine [PCP], crack, opioid derivatives including heroin, and amphetamine derivatives within 3 months prior to screening.
  • History of alcohol abuse within 1 year prior to screening or regular use of alcohol within 6 months prior to screening that exceeds 10 units of alcohol per week (1 unit = 375 milliliter [mL] of beer 3.5 percent (%), or 100 mL of wine 13.5%, or 30 mL of distilled alcohol 40%).
  • Use of medications within the timeframes specified in section.
  • Participation in a clinical research study involving the administration of an investigational or marketed drug or device within 30 days prior to the first dosing, administration of a biological product in the context of a clinical research study within 90 days prior to the first dosing, or concomitant participation in an investigational study involving no drug or device administration.
  • Donation of plasma within 7 days prior to dosing or donation or loss of 500 mL or more of whole blood within 8 weeks prior to dosing.
  • Optic nerve disease, cataracts, or a history of related conditions.
  • Any reason which, in the opinion of the Investigator, would prevent the participant from participating in the study.

Trial locations and contacts

1 site in 1 country.

Australia1 site
  • Scientia Clinical Research Ltd

    Randwick, New South Wales, 2031

Other trials in Australia

About this study

Official title: A Phase 1, Open-Label, Randomized, Crossover Study to Evaluate the Safety, Tolerability and Pharmacokinetics of Single Ascending Doses of APL-1501 ER Capsules Compared to APL-1202 IR Tablets in Healthy Volunteers

The primary objective of the study is to assess safety and tolerability following administration of single doses of APL-1202 (immediate release) IR tablets and APL-1501 extended release (ER) capsules in healthy participants.

Being tested
APL-1202, APL-1501
Keywords
Bladder Cancer
Medical subject headings
Urinary Bladder Neoplasms

What participants receive

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

  • APL-1202Drug

    APL-1202 IR tablets.

  • APL-1501Drug

    APL-1501 ER capsules.

Study groups in NCT06435039
Study groupRoleWhat they receive
Cohort 1, Sequence 1, R1T1: APL-1202 IR 375 mg + APL-1501 ER 764 mgExperimentalParticipants will receive APL-1202 375 milligram (mg) IR tablets, orally, once on Day 1 of Period 1 (Treatment R1), followed by T1 APL-1501 764 mg ER capsules, orally, once, on Day 4 of Period 2 (Treatment T1). A washout period of more than or equal to (>=) 72 hours will be maintained in between Period 1 and 2.
Receives: Drug: APL-1202; Drug: APL-1501
Cohort 1, Sequence 2, T1R1: APL-1501 ER 764 mg + APL-1202 IR 375 mgExperimentalParticipants will receive APL-1501 764 mg ER capsules, orally, once on Day 1 of Period 1 (Treatment T1), followed by APL-1202 375 mg IR tablets, orally, once, on Day 4 of Period 2 (Treatment R1). A washout period of >=72 hours will be maintained in between Period 1 and 2.
Receives: Drug: APL-1202; Drug: APL-1501
Cohort 2, Sequence 1, R1T2: APL-1202 IR 375 mg + APL-1501 ER 1146 mgExperimentalParticipants will receive APL-1202 375 mg IR tablets, orally, once on Day 1 of Period 1 (Treatment R1), followed by APL-1501 1146 mg ER capsules, orally, once, on Day 4 of Period 2 (Treatment T2). A washout period of >=72 hours will be maintained in between Period 1 and 2.
Receives: Drug: APL-1202; Drug: APL-1501
Cohort 2, Sequence 2, T2R1: APL-1501 ER 1146 mg + APL-1202 IR 375 mgExperimentalParticipants will receive APL-1501 1146 mg ER capsules, orally, once on Day 1 of Period 1 (Treatment T2), followed by APL-1202 375 mg IR tablets, orally, once, on Day 4 of Period 2 (Treatment R1). A washout period of >=72 hours will be maintained in between Period 1 and 2.
Receives: Drug: APL-1202; Drug: APL-1501
Cohort 3: APL-1501 ER 1528 mgExperimentalParticipants will receive APL-1501 1528 mg ER capsules, orally, once on Day 1.
Receives: Drug: APL-1501

What is being measured

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

  1. Number of Participants With Adverse Events (AEs)

    Measured: From Baseline up to Day 9

  2. Number of Participants With Abnormal Vital Sign Measurements

    Measured: From Baseline up to Day 9

  3. Number of Participants With Abnormal 12-Lead Electrocardiogram (ECGs) Recordings

    Measured: From Baseline up to Day 9

  4. Number of Participants With Abnormal Physical Examinations

    Measured: From Baseline up to Day 9

  5. Number of Participants With Abnormal Clinical Laboratory Values

    Measured: From Baseline up to Day 9

Secondary outcomes (19)
  1. AUC0-t: Area Under the Concentration-time Curve From Time Zero Until the Last Observed Concentration of APL-1202, and ASN-1651 (Metabolite) Following APL-1501 ER Capsules

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  2. AUC0-inf: Area Under the Concentration-time Curve From Time Zero to Infinity of APL-1202, and ASN-1651 (Metabolite) Following APL-1501 ER Capsules

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  3. Cmax: Maximal Observed Concentration of APL-1202, and ASN-1651 (Metabolite) Following APL-1501 ER Capsules

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  4. Tlast: Time When the Last Concentration is Observed of APL-1202, and ASN-1651 (Metabolite) Following APL-1501 ER Capsules

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  5. Tmax: Time When the Cmax is Observed of APL-1202, and ASN-1651 (Metabolite) Following APL-1501 ER Capsules

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  6. Residual Area of APL-1202, and ASN-1651 (Metabolite) Following APL-1501 ER Capsules

    Residual area is defined as percentage of AUC0-inf due to extrapolation from the time of the last observed concentration to infinity and is calculated as, [1-(AUC0-t/AUC0-inf)]*100.

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  7. T½ el: Terminal Elimination Half-life of APL-1202, and ASN-1651 (Metabolite) Following APL-1501 ER Capsules

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  8. Kel: Terminal Elimination Rate Constant of APL-1202, and ASN-1651 (Metabolite) Following APL-1501 ER Capsules

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  9. Cl/F: Apparent Clearance of APL-1202, and ASN-1651 (Metabolite) Following APL-1501 ER Capsules

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  10. Vz/F: Apparent Volume of Distribution of APL-1202, and ASN-1651 (Metabolite) Following APL-1501 ER Capsules

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  11. DNAUC0-inf: Dose Normalized AUC0-inf of APL-1202, and ASN-1651 (Metabolite) Following APL-1501 ER Capsules

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  12. DNCmax: Dose Normalized Cmax of APL-1202, and ASN-1651 (Metabolite) Following APL-1501 ER Capsules

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  13. Geometric Mean Ratio of Cmax of APL-1501 ER Capsules in Reference to APL-1202 IR Tablets

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  14. Geometric Mean Ratio of AUC0-t of APL-1501 ER Capsules in Reference to APL-1202 IR Tablets

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  15. Geometric Mean Ratio of AUC0-inf of APL-1501 ER Capsules in Reference to APL-1202 IR Tablets

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  16. Frel: Relative Bioavailability of APL-1501 ER Capsules and APL-1202 IR Tablets

    The relative bioavailability of APL-1501 versus APL-1202 will be assessed through linear mixed modelling.

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  17. Dose Proportionality of Cmax

    Dose proportionality will be assessed by visual inspection of dose normalised Cmax values versus dose.

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  18. Dose Proportionality of AUC0-t

    Dose proportionality will be assessed by visual inspection of dose normalised AUC0-t values versus dose.

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 hours post-dose

  19. Dose Proportionality of AUC0-inf

    Dose proportionality will be assessed by visual inspection of dose normalised AUC0-inf values versus dose.

    Measured: Cohorts 1 and 2 - Days 1 and 4: Pre-dose and up to 24 hours post-dose; Cohort 3 - Day 1: Pre-dose and up to 24 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 posted30 May 2024
  2. Study start21 Jun 2024
  3. Primary completion16 Jul 2024
  4. Study completion16 Jul 2024

Why it stopped: Study terminated by sponsor due a business decision and development strategy.

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
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
None (open label)
Enrolment
12 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06435039
Sponsor's protocol ID
YHGT-APL1501-NHS-103
Status last verified
Jan 2025
First submitted
22 May 2024
Last updated
31 Jan 2025
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing APL-1202 and APL-1501 in people with Healthy Volunteers, run by Syneos Health 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 8 inclusion and 13 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: stopped early, as of the sponsor's last update on 31 Jan 2025. 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. 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 was stopped early (reason given: Study terminated by sponsor due a business decision and development strategy.). Results are not available in the source record.

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 Participants With Adverse Events (AEs) (time frame: From Baseline up to Day 9). The study lists 5 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 31 Jan 2025.

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