NCT04963855

Brief Summary

Descriptive safety and pharmacokinetics of GT300, exploratory biomarker effects for the evaluation of the effect of GT300 on the autophagy-lysosomal pathway (ALP), food effect on PK and fasting effect on biomarkers.

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
56

participants targeted

Target at P50-P75 for phase_1

Timeline
Completed

Started Aug 2021

Shorter than P25 for phase_1

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 28, 2021

Completed
17 days until next milestone

First Posted

Study publicly available on registry

July 15, 2021

Completed
1 month until next milestone

Study Start

First participant enrolled

August 23, 2021

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 15, 2022

Completed
28 days until next milestone

Study Completion

Last participant's last visit for all outcomes

March 15, 2022

Completed
Last Updated

July 15, 2021

Status Verified

June 1, 2021

Enrollment Period

6 months

First QC Date

June 28, 2021

Last Update Submit

July 6, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Pharmacokinetic

    Cmax

    8 days

Study Arms (2)

CT300

ACTIVE COMPARATOR

GT300 capsule given once daily

Drug: GT300

Placebo

PLACEBO COMPARATOR

Microcrystalline cellulose capsule given once daily

Drug: Microcrystalline cellulose

Interventions

GT300DRUG

SIngle oral dose

CT300

placebo

Placebo

Eligibility Criteria

Age18 Years - 55 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy, adult, male or female (non-lactating) subjects age 18 to 55 inclusive.
  • Good general health, with no significant medical history. Subjects must have no clinically significant abnormalities on physical examination at screening, and/or before administration of the initial dose of study drug.
  • Body weight ≥ 50 kg at the screening visit.
  • Body Mass Index (BMI) between 18 and 32 kg/m2 inclusive.
  • Has laboratory values (clinical chemistry, hematology and coagulation) within the normal reference range. Deviations from this range may be acceptable if they are considered 'not clinically significant' (NCS) by the PI.
  • Women of childbearing potential may be enrolled if one of the following criteria applies:
  • Must be using an effective form of contraception (e.g., oral contraceptives, vaginal ring, IUD, injected or implanted hormonal contraception) for at least one month prior to study entry, must have maintained a normal menstrual pattern for the three months prior to study entry and have a negative pregnancy test (urine) at the time of admission to the unit. Women must be willing to continue this contraception for 90 days following administration of study drug. Their male partner should use a condom.
  • Is sexually abstinent (Investigator judgement)
  • Is monogamous with a vasectomized (by history; see section 4.2) months prior)
  • Is postmenopausal (i.e., amenorrheic for at least 12 months prior to dosing and demonstrating FSH (follicle-stimulating hormone) consistent with post-menopausal state
  • negative pregnancy test (urine) both at Screening (serum) and Day -1(urine)
  • Is surgically sterilized (confirmed by medical record review)
  • Has had a total hysterectomy a minimum of 3 months prior to dosing on Day 1 (confirmed by medical record review)
  • Males who are sexually abstinent may be enrolled or, if sexually active, may be enrolled if one of the following criteria applies:
  • Has had a vasectomy (\>3 months prior to dosing, by history; see section 4.2)
  • +2 more criteria

You may not qualify if:

  • Blood donation or recipient of blood transfusion in previous 12 weeks.
  • History of clinically significant endocrine, neurological, gastrointestinal, cardiovascular, hematological, hepatic, immunological, renal, respiratory, or genitourinary abnormalities or diseases. Cardiovascular history should include assessment of risk factors for Torsades de Pointes Risk (e.g., heart failure, pulmonary edema, cardiomyopathy, hypokalemia, hypomagnesemia, or hypocalcemia, or family history of Long QT Syndrome, syncope or sudden death).
  • History of neoplastic disease (with the exception of adequately treated non-melanomatous skin carcinoma).
  • Mentally or legally incapacitated (e.g., has significant emotional problems at the time of Screening Visit or expected during the conduct of the study, or has a history of a clinically significant psychiatric disorder within the last 5 years).
  • Fever (body temperature \>38C) or symptomatic viral/bacterial infection or use of antibi-otics within 2 weeks prior to Screening.
  • Resting blood pressure (semi-recumbent) (BP) \>140/90 mmHg or heart rate (HR) outside the range 40 to 100 beats per minute at Screening and at Day -1.
  • Clinically significant abnormality on ECG performed at the Screening Visit or prior to administration of the initial dose of study drug. (Sick sinus syndrome, second or third degree atrioventricular block, myocardial infarction, symptomatic or significant cardiac arrhythmia, prolonged QTcF interval, or bundle branch block.
  • Clinically significant laboratory abnormalities including: Impaired renal function (estimated creatinine clearance (CrCl) of \<80 mL/minute based on Creatinine Clearance Value as determined by the clinical chemistry laboratory. Additionally, subjects with elevated unconjugated bilirubin consistent with Gilbert's Syndrome are excluded.
  • Positive test for hepatitis C antibody, hepatitis B surface antigen, or human immunodefi-ciency virus (HIV) antibody at Screening.
  • Participants with a positive toxicology screening panel (urine test including qualitative identi¬fication of barbiturates, tetrahydrocannabinol, amphetamines, benzodiazepines, opiates, cocaine and cotinine).
  • Participants with a history of substance abuse or dependency or history of recreational IV drug use (by self-declaration).
  • Alcohol consumption \>21 alcohol units per week. (One unit of alcohol is 10 ml, information on calculation the content of drinks is provided at: the "alcohol.gov.au" website.
  • Unable to refrain from or anticipates the use of any medications, including prescription and non-prescription drugs and herbal remedies (such as St. John's Wort \[Hypericum perforatum\]), beginning 14 days (or 5 half-lives, whichever is longer) before administration of the initial dose of study drug and continuing throughout the study until the follow-up visit. There may be certain medications that are permitted at the discretion of the Investigator and Sponsor (including paracetamol/acetaminophen, multi-vitamin preparations, medications for the treatment of AEs following administration of study drug and immunizations, in particular any one of the COVID-19 vaccines currently in use in AU).
  • Subjects who are unlikely to comply with the study protocol or, in the opinion of the inves-tigator, would not be a suitable candidate for participation in the study.
  • Have participated in any other investigational drug trial within 30 days of dosing in the present study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Lewy Body Disease

Interventions

microcrystalline cellulose

Condition Hierarchy (Ancestors)

Parkinsonian DisordersBasal Ganglia DiseasesBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesDementiaMovement DisordersSynucleinopathiesNeurodegenerative DiseasesNeurocognitive DisordersMental Disorders

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 28, 2021

First Posted

July 15, 2021

Study Start

August 23, 2021

Primary Completion

February 15, 2022

Study Completion

March 15, 2022

Last Updated

July 15, 2021

Record last verified: 2021-06

Data Sharing

IPD Sharing
Will not share