Clinical trial Recruiting at 1 site Phase 1 Interventional Ages 18 to 55

A single-dose tablet of TRTL-729 tested in healthy adults

Official title: An Open-Label Phase 1 Study to Assess the Safety, Tolerability, and Pharmacokinetics of a Single Dose of a New Tablet Formulation of TRTL-729 in Healthy Adults

Run by Tortugas Neuroscience, Inc. · NCT07811063 · Data updated 2026-11-12

A single-dose tablet form of TRTL-729 is being tested in healthy adults to see if it is safe, tolerated, and how the body processes it.

More Healthy Adult Male and Female Volunteers trials

Quick facts

PhasePhase 1
Study typeInterventional
Ages18 Years to 55 Years
SexAll
Enrollment10 (estimated)
SponsorTortugas Neuroscience, Inc.
Industry-sponsored
Locations1 site (Auckland)
StatusRecruiting
StartedSeptember 28, 2026
Main results expectedJanuary 2027
Study endsJanuary 2027
Registry record updatedOctober 23, 2026
Trial IDNCT07811063 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Healthy adults aged 18 to 55 who are non-smokers or light smokers, with BMI 18.0–32.0, and no disqualifying medical history.

Probably not a fit

Participants with significant medical conditions, abnormal ECGs, or contraindications to study procedures may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This early-phase study administers a one-time tablet dose of TRTL-729 to healthy volunteers. The goal is to characterize safety, tolerability, and pharmacokinetics in adults aged 18 to 55. Participants will undergo medical screening, receive the tablet under supervision, and be monitored for adverse effects and blood-level measurements. The study includes strict inclusion/exclusion criteria and confinement during the dosing period. Data will inform dosing and safety for future trials.

Why it matters

Potential benefit: If successful, the study could help determine a safe dose and how TRTL-729 behaves in the body, guiding future research.

How similar studies have gone: Early-phase trials of similar tablet formulations have shown tolerability and predictable pharmacokinetics, though this specific formulation is novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Generally healthy, ambulatory male or female adults aged 18 to 55 years, as determined by the investigator.
2. Able and willing to provide written informed consent and comply with all study procedures and the visit schedule.
3. Body Mass Index (BMI) 18.0 to 32.0 kilograms per meter square kg/m\^2 and body weight greater than (\>)50 kilograms (kg).
4. Clinically acceptable medical history, physical examination, vital signs, clinical laboratory tests, and 12-lead electrocardiogram (ECG), as determined by the investigator.
5. QT interval Corrected using Fridericia's Formula (QTcF) lesser than or equal to (≤)450 milliseconds (msec) for males or ≤470 msec for females.
6. Nonsmokers or light smokers (less than \[\<\]10 cigarettes/week or equivalent vaping) for at least 3 months before dosing and willing to abstain during confinement.
7. Females must be of nonchildbearing potential or, if of childbearing potential, must have a negative pregnancy test and agree to use highly effective contraception throughout the required study period.
8. Male participants must agree to use appropriate contraception and refrain from sperm donation for the required study period.

Exclusion Criteria:

1. Any clinically significant acute or chronic medical condition that, in the investigator's opinion, could affect participant safety or study assessments.
2. History of seizures, epilepsy, significant head injury associated with loss of consciousness, family history of seizures or epilepsy, or other conditions or medications that increase seizure risk.
3. Clinically significant cardiovascular, cerebrovascular, or peripheral vascular disease, clinically significant ECG abnormalities, torsade de pointes, or a family history of long QT syndrome or sudden cardiac death.
4. Active infection or clinically significant recent illness before screening or dosing.
5. Positive test for Human Immunodeficiency Virus (HIV), hepatitis B, or hepatitis C.
6. Clinically significant hepatic or renal impairment or clinically significant laboratory abnormalities.
7. History of malignancy within the past 10 years (except adequately treated nonmetastatic basal cell or squamous cell skin cancer or cervical carcinoma in situ).
8. Current or recent substance or alcohol use disorder, or positive drug or alcohol screening.
9. Current or history of clinically significant psychiatric illness, or suicidal ideation or behavior
10. Pregnant, breastfeeding, or planning pregnancy during the study.

Where it's running

  • Clinical Trial Site
    Auckland, New Zealand
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.