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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT05938946
Registration number
NCT05938946
Ethics application status
Date submitted
9/06/2023
Date registered
11/07/2023
Date last updated
28/02/2024
Titles & IDs
Public title
Safety, Tolerability and Pharmacokinetics of L608 in Healthy Adults
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Scientific title
A Phase I, Randomized, Double-blinded, Placebo-controlled Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of Single Ascending Doses of L608 for Inhalation in Healthy Subjects
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Secondary ID [1]
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PBI L608p1
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Pulmonary Arterial Hypertension
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Condition category
Condition code
Respiratory
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Other respiratory disorders / diseases
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - L608 Inhalation Solution
Treatment: Drugs - Placebo solution
Experimental: L608 Liposomal inhalation solution - Eight subjects will be enrolled in each cohort and be randomized to receive assigned dose of L608 or placebo (6:2).
Experimental: Placebo - Eight subjects will be enrolled in each cohort and be randomized to receive assigned dose of L608 or placebo (6:2).
Treatment: Drugs: L608 Inhalation Solution
subjects will be randomized at a ratio of 1:1 (for Sentinel dosing) followed by 5:1 for rest of the cohort to receive the assigned dose of L608 or placebo
Treatment: Drugs: Placebo solution
subjects will be randomized at a ratio of 1:1 (for Sentinel dosing) followed by 5:1 for rest of the cohort to receive the assigned dose of L608 or placebo
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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The incidence of dose limiting toxicity (DLT)
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Assessment method [1]
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The percentage of subjects with dose limiting toxicity (DLT) within 14 days after dosing
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Timepoint [1]
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Baseline to Day 14
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Primary outcome [2]
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The incidence of treatment emergent adverse events (TEAEs) and serious adverse events (SAEs)
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Assessment method [2]
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The percentage of subjects with treatment emergent adverse events (TEAEs) and serious adverse events (SAEs) within 21 days after dosing.
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Timepoint [2]
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Baseline to Day 21
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Primary outcome [3]
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Frequency and severity of treatment emergent adverse events (TEAEs) and serious adverse events (SAEs)
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Assessment method [3]
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The frequency and severity of treatment emergent adverse events (TEAEs) and serious adverse events (SAEs) within 21 days after dosing.
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Timepoint [3]
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Baseline to Day 21
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Secondary outcome [1]
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AUC0-t
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Assessment method [1]
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Area under the plasma concentration-time curve from time 0 to the last quantifiable concentration
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Timepoint [1]
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Baseline to 24 hours
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Secondary outcome [2]
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AUC0-8
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Assessment method [2]
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Area under the plasma concentration-time curve from time 0 to infinity
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Timepoint [2]
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Baseline to 24 hours
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Secondary outcome [3]
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%AUCextrap
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Assessment method [3]
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AUC extrapolated from the last measurable concentration to infinity as a percentage of total AUC
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Timepoint [3]
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Baseline to 24 hours
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Secondary outcome [4]
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Cmax
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Assessment method [4]
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Maximum observed plasma concentration
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Timepoint [4]
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Baseline to 24 hours
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Secondary outcome [5]
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Tmax
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Assessment method [5]
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Time to reach the maximum observed plasma concentration
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Timepoint [5]
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Baseline to 24 hours
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Secondary outcome [6]
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T1/2
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Assessment method [6]
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Apparent plasma terminal elimination half-life
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Timepoint [6]
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Baseline to 24 hours
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Secondary outcome [7]
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CL/F
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Assessment method [7]
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Apparent total plasma clearance
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Timepoint [7]
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Baseline to 24 hours
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Secondary outcome [8]
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Vz/F
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Assessment method [8]
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Apparent volume of distribution during the terminal phase
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Timepoint [8]
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Baseline to 24 hours
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Secondary outcome [9]
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kel
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Assessment method [9]
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Terminal elimination rate constant
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Timepoint [9]
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Baseline to 24 hours
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Eligibility
Key inclusion criteria
Key
1. Men and women aged between 18 and 65 (inclusive) at the time of Screening visit. Females must not be pregnant or lactating.
2. Body Mass Index (BMI) of =18.5 and =30.0 kg/m2
3. Non-smokers or former smokers who have smoked = 100 cigarettes in their lifetime and have not consumed any tobacco or tobacco-containing products for at least 3 months prior to Screening.
4. Females must not be pregnant or lactating and must use acceptable, highly effective double contraception from Screening until 3 months after the last dose of the Investigational product.
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Minimum age
18
Years
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Maximum age
65
Years
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
1. Subjects with contraindications or sensitivity to any components of the study treatment.
2. Subjects with medical histories (within 3 months prior to Screening) or ongoing conditions of any clinically significant and/or any other medical conditions which may jeopardize the safety of the subjects and/or effect the results of the study at the Investigator's discretion.
3. Subjects with histories or active conditions of unexplained bleeding events, hemoptysis, abnormal bleeding tendencies, and/or coagulation disorders.
4. Subjects who voluntarily participate in this study and sign the informed consent form prior to any study procedures.
5. Subjects with histories or active conditions of asthma, sleep apnea, chronic obstructive pulmonary disease (COPD), pulmonary fibrosis, bronchiectasis, bronchospasm, and/or reactive airway. Subjects who have had childhood asthma which have resolved as deemed by the PI can be considered.
6. Subjects with histories or active conditions of myocardial infarction (MI), cerebrovascular accident (CVA), coronary artery disease (CAD), unstable angina, heart failure, significant cardiac arrhythmias, congenital or acquired valvular heart disease with clinically insignificant symptom, suspected lung congestion, and/or pulmonary arterial hypertension (PAH) causing by venous thromboembolism.
7. Subjects with systolic blood pressure < 90 mmHg or > 160 mmHg and/or diastolic blood pressure < 50 mmHg or > 95 mmHg at Screening or check-in visit.
8. Subjects with FEV1 less than 80% predicted, FVC ?80% predicted, or resting oxygen saturation less than 95% at Screening or check-in visit.
9. Subjects with histories of drug or alcohol abuse within 1 year prior to subject check-in (Day -1). Regular alcohol consumption defined as > 10 standard drinks per week.
10. Consumption of products containing caffeine/methylxanthines, poppy seeds and/or alcohol within 48 hours before dosing and products containing grapefruit and/or pomelo (shown to inhibit cytochrome P450 [CYP] 3A4 activity) within 10 days prior to drug administration.
11. Positive results of human immunodeficiency virus (HIV), hepatitis B virus (HBV), hepatitis C virus (HCV), and pregnancy test.
12. Blood donation or significant blood loss (>480 ml) within 3 months prior to Screening.
13. Subjects are pregnant or breast feeding.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people analysing the results/data
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Intervention assignment
Single group
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Other design features
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Phase
Phase 1
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
30/08/2023
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
30/06/2024
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Actual
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Sample size
Target
64
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
SA
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Recruitment hospital [1]
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CMAX Clinical Research Pty Ltd - Adelaide
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Recruitment postcode(s) [1]
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SA 5000 - Adelaide
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Pharmosa Biopharm Inc.
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Address
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Other collaborator category [1]
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Commercial sector/industry
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Name [1]
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Novotech (Australia) Pty Limited
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
This is a Phase I, randomized, double-blinded, placebo-controlled single ascending dose, sequential-group study to evaluate the safety, tolerability, and PK of single ascending doses of L608 inhalation in healthy volunteers.
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Trial website
https://clinicaltrials.gov/study/NCT05938946
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Pei Kan, PhD
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Address
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Country
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Phone
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886-2782-7561
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Fax
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Email
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[email protected]
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT05938946
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