ClinicalTrials.gg
CompletedNCT05483998Updated May 20, 2024

A Study to Evaluate Single and Multiple Doses of TLC-2716 in Healthy Participants

A Phase 1 interventional study of TLC-2716 and Placebo in Healthy Subjects, sponsored by OrsoBio, Inc. Completed at 1 site in New Zealand. Open to participants aged 18 Years to 55 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2024-05-20.

Sponsored by OrsoBio, Inc · Phase 1, Interventional, and Treatment

Phase
Phase 1
Study type
Interventional
Enrollment
100
Allocation
Randomized
Ages
18 Years to 55 Years
Sex
All
01

Study summary

This phase 1 study is designed to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of TLC-2716 after single- and multiple-ascending doses in healthy subjects.

Read the detailed description

This study is a randomized, placebo-controlled, sponsor-unblinded, and comprised of three parts: Part A (single-ascending dose), Part B (multiple-ascending dose), and Part C (adaptive single- and/or multiple-ascending dose).

02

Conditions studied

  • Healthy Subjects
03

In context

Lead sponsor

OrsoBio, Inc is the lead sponsor of 5 studies on the registry; 2 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 55 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Non-smoking, healthy male or female subject between 18 and 55 years of age, inclusive
  • from 19 to 35 kg/m2, inclusive
  • Estimated ≥ 80 mL/min
  • Normal liver biochemistry tests
  • Screening laboratory evaluations (hematology, chemistry, and urinalysis) must fall within the normal range of the local laboratory's reference ranges unless the results have been determined by the investigator to have no clinical significance
  • Subject must have either a normal 12-lead (ECG) or one with abnormalities that are considered clinically insignificant by the investigator
  • Females of must have a negative pregnancy test at Screening and clinic admission
  • Male subjects and female subjects of childbearing potential who engage in heterosexual intercourse must agree to use protocol-specified method(s) of
  • Must, in the opinion of the investigator, be in good health based upon medical history and physical examination, including vital signs

Exclusion criteria

Exclusion Criteria:

  • Pregnant or lactating subjects
  • Subjects with triglycerides ≥ 500 mg/dL
  • Subjects with low-density lipoprotein ≥ 190 mg/dL
  • Subjects who have any serious or active medical or psychiatric illness (including depression) that, in the opinion of the investigator, would interfere with the subject's treatment, assessment, or compliance with the protocol
  • Subjects who have received any compound within 30 days or 5 half-lives, whichever is longer, prior to study drug dosing
  • Current alcohol abuse that is judged by the investigator to potentially interfere with the subject's compliance or safety
  • Current substance abuse that is judged by the investigator to potentially interfere with the subject's compliance or safety
  • A positive test result for (HIV-1) antibody, (HBV) surface antigen, or (HCV) antibody
  • Subjects who have taken any prescription medications or over-the-counter medications, including herbal products, within 28 days prior to start of study drug dosing, with the exception of vitamins, acetaminophen (paracetamol), ibuprofen, and/or hormonal medications
  • Subjects who have been treated with systemic , therapies, or chemotherapeutic agents within 3 months prior to Screening or expected to receive these agents during the study (e.g., corticosteroids, immunoglobulins, and other immune- or cytokine-based therapies)
  • Medical history of serious skin disease in the opinion of the investigator, such as but not limited to rash, food allergy, eczema, psoriasis, or urticaria
  • Medical history of drug sensitivity or drug allergy (such as anaphylaxis or hepatoxicity)
  • Presence or history of cardiovascular disease, including significant cardiovascular disease (including a history of myocardial infarction based on and/or clinical history), history of cardiac conduction abnormalities (including any history of ventricular tachycardia), congestive heart failure, cardiomyopathy with \< 40%, a family history of Long Syndrome, or unexplained death in an otherwise healthy individual between the ages of 1 and 30 years
  • Syncope, palpitations, or unexplained dizziness
  • Implanted defibrillator or pacemaker
  • Medical history of liver disease, including but not limited to alcoholic liver disease, disorders (e.g., primary biliary cholangitis, primary sclerosing cholangitis, autoimmune hepatitis), drug-induced hepatotoxicity, Wilson disease, iron overload, or alpha-1-antitrypsin deficiency)
  • Severe peptic ulcer disease, gastroesophageal reflux disease, or other gastric acid hypersecretory conditions
  • History of medical or surgical treatment that permanently alters intestinal absorption (e.g., gastric or intestinal surgery)
  • Subjects who have received vaccination for COVID-19 within 14 days of Admission

Note: Other protocol defined Inclusion/Exclusion criteria may apply.

Terms in these criteria, in plain language(15)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

BMI (body mass index)

Weight in kilograms divided by height in metres squared. Example: 70 kg and 1.75 m gives 70 ÷ (1.75 × 1.75) ≈ 22.9.

What counts as overweight or obesity differs between countries (some use lower cut-offs), so go by the range the study states.

GFR and eGFR (kidney filtering)

GFR (glomerular filtration rate) is how much blood the kidneys filter each minute. It is usually estimated from a blood test — eGFR, by formulas such as CKD-EPI or MDRD — and some studies ask for it to be measured directly instead. Usually given in mL/min/1.73 m².

Check the method, the units and the minimum the study states. A value of 90 or above is in the normal-or-high range, but kidney damage can show in other tests too.

ECG (electrocardiogram)

A recording of the heart’s electrical activity, taken with stickers on the chest, arms and legs. It takes a few minutes and does not hurt.

Childbearing potential

Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).

Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

HIV

The human immunodeficiency virus, which weakens the immune system.

Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.

Hepatitis B tests

Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.

Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.

Hepatitis C tests

Hepatitis C is a virus that infects the liver. An HCV antibody test can stay positive after an infection has cleared (and is occasionally positive without one); an HCV RNA test shows whether the virus is there now.

After treatment, hepatitis C counts as cured when HCV RNA is still undetectable 12 weeks or more after the treatment ended. Studies often accept people cured this way.

Corticosteroids (steroids)

Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.

Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.

Immunosuppression

A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.

Read whether the line is about a condition or about medicines, and which medicines and doses it means.

LVEF (left ventricular ejection fraction)

The share of blood the heart’s main pumping chamber (the left ventricle) pushes out with each beat, measured by an echocardiogram (heart ultrasound) or a MUGA scan. About 50–70% is normal.

QT and QTc

On an ECG, the QT interval is the time the heart’s lower chambers take to activate electrically and recover in each beat. QTc is that time adjusted for heart rate (QTcF by Fridericia’s formula, QTcB by Bazett’s). Some medicines lengthen it, and a long QTc can raise the risk of a dangerous heart rhythm.

The study may name a correction formula and a limit in milliseconds, often around 450–480.

Autoimmune disease

A condition in which the immune system attacks the body’s own tissues, such as rheumatoid arthritis, lupus, psoriasis, type 1 diabetes or inflammatory bowel disease.

Immunotherapy studies often leave out active autoimmune disease, and some name exceptions, such as thyroid disease on replacement hormone. Check the exceptions this study lists.

Clinically significant

Judged by the study doctor to matter for your health or for the study. It is a doctor’s decision, so ask the study team if you are unsure whether something counts.

05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Sequential assignment
Masking
Double (Participant, Investigator)
Enrollment
100 participants (actual)

Study arms

  • Experimental
    Part A: Single Ascending Dose (SAD)

    Part A will be comprised of up to 50 participants over 5 cohorts of 10. Each participant will receive a single oral dose of TLC-2716 or placebo at different dose levels (1 cohort per dose level).

    Drug: TLC-2716 · Other: Placebo

  • Experimental
    Part B: Multiple Ascending Dose (MAD)

    Part B will be comprised of up to 50 healthy participants over 5 cohorts of 10. Each participant will receive 14 oral doses of TLC-2716 or placebo over 14 days (given once daily) at different dose levels (1 cohort per dose level).

    Drug: TLC-2716 · Other: Placebo

  • Experimental
    Part C: Adaptive SAD and/or MAD

    Part C is an adaptive style where the dosing level is a single- or multiple-ascending dose design. Based on safety and pharmacokinetic data from Parts A and B, doses for Part C will be chosen. Part C will be comprised of up to 50 participants over 5 cohorts of 10. Each participant will receive an oral dose of TLC-2716 or placebo at different dose levels (1 cohort per dose level).

    Drug: TLC-2716 · Other: Placebo

Interventions

  • DrugTLC-2716

    TLC-2716

  • OtherPlacebo

    Placebo to match

06

What researchers measure

Primary outcomes

  1. Number of subjects with treatment-emergent adverse events (TEAEs) in single ascending dose (SAD) compared to placebo

    TEAEs are AEs that occur following the start of treatment or AEs increasing in severity during treatment.

    Time frame: Up to Day 15

  2. Number of subjects with clinically significant change from Baseline in vital signs in SAD

    Vital signs include blood pressure, heart rate, respiratory rate, and temperature.

    Time frame: Day 1-Day 4, and Follow-up (after 11 days)

  3. Number of subjects with laboratory abnormalities in SAD

    Hematology and serum chemistry.

    Time frame: Up to 15 days

  4. Number of subjects with electrocardiogram (ECG) abnormalities in SAD

    12-lead ECG.

    Time frame: Up to 15 days

  5. Number of subjects with TEAEs in multiple ascending dose (MAD) compared to placebo

    TEAEs are AEs that occur following the start of treatment or AEs increasing in severity during treatment.

    Time frame: Up to Day 28

  6. Number of subjects with clinically significant change from Baseline in vital signs in MAD

    Vital signs include blood pressure, heart rate, respiratory rate, and temperature.

    Time frame: Day 1 - Day 3, Day 5, Day 7, Day 10, Day 14, Day 17, and Follow-up (after 11 days)

  7. Number of subjects with laboratory abnormalities in MAD

    Hematology and serum chemistry.

    Time frame: Up to 28 days

  8. Number of subjects with ECG abnormalities in MAD

    12-lead ECG

    Time frame: Up to 28 days

Secondary outcomes

  1. Plasma concentration of each dose of study drug to determine AUClast in SAD

    AUClast is defined as the concentration of drug from time zero to the last observable concentration.

    Time frame: Day 1: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 12, 24, 48, and 72 hours post-dose

  2. Plasma concentration of each dose of study drug to determine AUCinf in SAD

    AUCinf is defined as the concentration of drug extrapolated to infinite time.

    Time frame: Day 1: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 12, 24, 48, and 72 hours post-dose

  3. Plasma concentration of each dose of study drug to determine %AUCexp in SAD

    %AUCexp is defined as the percentage of AUC extrapolated between AUClast and AUCinf.

    Time frame: Day 1: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 12, 24, 48, and 72 hours post-dose

  4. Plasma concentration of each dose of study drug to determine CL/F in SAD

    CL/F is defined as the apparent oral clearance following administration of the drug.

    Time frame: Day 1: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 12, 24, 48, and 72 hours post-dose

  5. Plasma concentration of each dose of study drug to determine Cmax in SAD

    Cmax is defined as the maximum concentration of drug.

    Time frame: Day 1: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 12, 24, 48, and 72 hours post-dose

  6. Plasma concentration of each dose of study drug to determine Tmax in SAD

    Tmax is defined as the time (observed time point) of Cmax.

    Time frame: Day 1: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 12, 24, 48, and 72 hours post-dose

  7. Plasma concentration of each dose of study drug to determine Clast in SAD

    Clast is defined as the last observable concentration of drug.

    Time frame: Day 1: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 12, 24, 48, and 72 hours post-dose

  8. Plasma concentration of each dose of study drug to determine Tlast in SAD

    Tlast is defined as the time (observed time point) of Clast.

    Time frame: Day 1: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 12, 24, 48, and 72 hours post-dose

  9. Plasma concentration of each dose of study drug to determine t1/2 in SAD

    t1/2 is defined as the estimate of the terminal elimination half-life of the drug.

    Time frame: Day 1: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 12, 24, 48, and 72 hours post-dose

  10. Plasma concentration of each dose of study drug to determine λz in SAD

    λz is defined as the terminal elimination rate constant, estimated by linear regression of the terminal elimination phase of the log plasma concentration of drug versus time curve of the drug.

    Time frame: Day 1: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 12, 24, 48, and 72 hours post-dose

  11. Plasma concentration of each dose of study drug to determine AUClast in MAD

    AUClast is defined as the concentration of drug from time zero to the last observable concentration.

    Time frame: Day 1, Day 3, Day 7, Day 14

  12. Plasma concentration of each dose of study drug to determine AUCtau in MAD

    AUCtau is the concentration of drug over time (area under the plasma concentration versus time curve over the dosing interval).

    Time frame: Day 1, Day 3, Day 7, Day 14

  13. Plasma concentration of each dose of study drug to determine Ctau in MAD

    Ctau is defined as the observed drug concentration at the end of the dosing interval.

    Time frame: Day 1, Day 3, Day 7, Day 14

  14. Plasma concentration of each dose of study drug to determine CLss/F in MAD

    CLss/F is the total body clearance for extravascular administration divided by the fraction of dose absorbed.

    Time frame: Day 1, Day 3, Day 7, Day 14

  15. Plasma concentration of each dose of study drug to determine Cmax in MAD

    Cmax is defined as the maximum concentration of drug.

    Time frame: Day 1, Day 3, Day 7, Day 14

  16. Plasma concentration of each dose of study drug to determine Tmax in MAD

    Tmax is defined as the time (observed time point) of Cmax.

    Time frame: Day 1, Day 3, Day 7, Day 14

  17. Plasma concentration of each dose of study drug to determine Clast in MAD

    Clast is defined as the last observable concentration of drug.

    Time frame: Day 1, Day 3, Day 7, Day 14

  18. Plasma concentration of each dose of study drug to determine Tlast in MAD

    Tlast is defined as the time (observed time point) of Clast.

    Time frame: Day 1, Day 3, Day 7, Day 14

  19. Plasma concentration of each dose of study drug to determine t1/2 in MAD

    t1/2 is defined as the estimate of the terminal elimination half-life of the drug.

    Time frame: Day 1, Day 3, Day 7, Day 14

  20. Plasma concentration of each dose of study drug to determine λz in MAD

    λz is defined as the terminal elimination rate constant, estimated by linear regression of the terminal elimination phase of the log plasma concentration of drug versus time curve of the drug.

    Time frame: Day 1, Day 3, Day 7, Day 14

07

Study locations

1 site
  • OrsoBio Research Site
    Auckland, New Zealand
08

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Ran from Sep 2022 to primary completion in Apr 2023, 7 months.

How these figures are worked out, and which studies are left out of them.

Registered
Jul 27, 2022
First posted
Aug 2, 2022
StartActual
Sep 9, 2022
Primary completionActual
Apr 13, 2023
CompletionActual
Jun 18, 2023
Last update
May 20, 2024
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on May 20, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT05483998
Lead sponsor
OrsoBio, Inc
Responsible party
Sponsor
First posted
Aug 2, 2022
Start date
Sep 9, 2022
Primary completion
Apr 13, 2023
Completion
Jun 18, 2023
Last update
May 20, 2024

Study contacts

OrsoBio Study Director
study director · OrsoBio, Inc

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in May 2024. You cannot join it, but the record below documents what was studied.

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