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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT05502367
Registration number
NCT05502367
Ethics application status
Date submitted
7/08/2022
Date registered
16/08/2022
Titles & IDs
Public title
A Study of ABI-2280 Vaginal Tablet in Participants With Cervical Intraepithelial Neoplasia
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Scientific title
An Open-Label Single and Multiple-dose, Study to Evaluate Safety, Tolerability and Efficacy of ABI-2280 Vaginal Tablet in Participants With Cervical Squamous Intraepithelial Lesions
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Secondary ID [1]
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ABI-2280-303
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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:
Cervical Intraepithelial Neoplasia
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Condition category
Condition code
Cancer
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Cervical (cervix)
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Cancer
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Breast
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Renal and Urogenital
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Other renal and urogenital disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - ABI-2280
Experimental: ABI-2280 0.1mg - 0.1mg vaginal tablet
Experimental: ABI-2280 0.3mg - 0.3mg vaginal tablet
Experimental: ABI-2280 1.0mg - 1.0mg vaginal tablet
Treatment: Drugs: ABI-2280
Vaginal Tablet
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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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Incidence of Adverse Events (Safety and Tolerability)
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Assessment method [1]
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For Parts A and B, to assess the safety and tolerability of ABI-2280 Vaginal Tablet by the incidence and severity of Adverse events (AEs).
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Timepoint [1]
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From Baseline to Day 42 post dose administration
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Secondary outcome [1]
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Pharmacokinetics of ABI-2280 after single and multiple doses
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Assessment method [1]
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Time to maximum observed drug concentration (tmax)
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Timepoint [1]
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60 minutes prior to dosing on Day 1, and 1 hour (± 5 mins) and 6 hours (± 1 hour) post-dose on Day 1. For Part A, additional samples will be taken at 2 hours (± 5 mins) and 24 hours (± 2 hours) post dose on Day 1.
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Secondary outcome [2]
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Pharmacokinetics of ABI-2280 after single and multiple doses
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Assessment method [2]
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Maximum observed drug concentration (Cmax)
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Timepoint [2]
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60 minutes prior to dosing on Day 1, and 1 hour (± 5 mins) and 6 hours (± 1 hour) post-dose on Day 1. For Part A, additional samples will be taken at 2 hours (± 5 mins) and 24 hours (± 2 hours) post dose on Day 1.
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Secondary outcome [3]
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Pharmacokinetics of ABI-2280 after single and multiple doses
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Assessment method [3]
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Area under the curve (AUC) from time zero to last measurable concentration (AUC0-last)
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Timepoint [3]
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60 minutes prior to dosing on Day 1, and 1 hour (± 5 mins) and 6 hours (± 1 hour) post-dose on Day 1. For Part A, additional samples will be taken at 2 hours (± 5 mins) and 24 hours (± 2 hours) post dose on Day 1.
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Secondary outcome [4]
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Pharmacokinetics of ABI-2280 after single and multiple doses
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Assessment method [4]
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AUC from time zero to infinity (AUC8)
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Timepoint [4]
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60 minutes prior to dosing on Day 1, and 1 hour (± 5 mins) and 6 hours (± 1 hour) post-dose on Day 1. For Part A, additional samples will be taken at 2 hours (± 5 mins) and 24 hours (± 2 hours) post dose on Day 1.
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Secondary outcome [5]
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Pharmacokinetics of ABI-2280 after single and multiple doses
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Assessment method [5]
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Apparent elimination half-life (t½)
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Timepoint [5]
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60 minutes prior to dosing on Day 1, and 1 hour (± 5 mins) and 6 hours (± 1 hour) post-dose on Day 1. For Part A, additional samples will be taken at 2 hours (± 5 mins) and 24 hours (± 2 hours) post dose on Day 1.
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Secondary outcome [6]
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Pharmacokinetics of ABI-2280 after single and multiple doses
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Assessment method [6]
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Apparent terminal elimination rate constant (Kel)
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Timepoint [6]
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60 minutes prior to dosing on Day 1, and 1 hour (± 5 mins) and 6 hours (± 1 hour) post-dose on Day 1. For Part A, additional samples will be taken at 2 hours (± 5 mins) and 24 hours (± 2 hours) post dose on Day 1.
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Secondary outcome [7]
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Pharmacokinetics of ABI-2280 after single and multiple doses
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Assessment method [7]
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Apparent clearance (CL/F)
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Timepoint [7]
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60 minutes prior to dosing on Day 1, and 1 hour (± 5 mins) and 6 hours (± 1 hour) post-dose on Day 1. For Part A, additional samples will be taken at 2 hours (± 5 mins) and 24 hours (± 2 hours) post dose on Day 1.
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Secondary outcome [8]
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Pharmacokinetics of ABI-2280 after single and multiple doses
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Assessment method [8]
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Apparent volume of distribution at the terminal phase (Vz/F)
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Timepoint [8]
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60 minutes prior to dosing on Day 1, and 1 hour (± 5 mins) and 6 hours (± 1 hour) post-dose on Day 1. For Part A, additional samples will be taken at 2 hours (± 5 mins) and 24 hours (± 2 hours) post dose on Day 1.
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Secondary outcome [9]
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Histopathologic changes in cHSIL by large loop excision of the transformation zone (LLETZ) specimen
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Assessment method [9]
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To assess histopathologic changes in cHSIL by LLETZ
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Timepoint [9]
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12 weeks after the first dose of ABI-2280 Vaginal Tablet
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Eligibility
Key inclusion criteria
* Women, 25 to 55 years old.
* For Part A, participants with biopsy-confirmed CIN (with visible lesions) regardless of p16 positivity may be enrolled upon consultation with PI and medical Monitor. These participants will not be required to get large loop excision of the transformation zone (LLETZ) if not medically necessary, as determined by the PI in consultation with the Medical Monitor.
* For Part B, biopsy-confirmed cervical HSIL that is p16+ (p16INK4a expressed) within 60 days of enrollment (dosing) with no evidence of invasive cancer in any specimen. If biopsy was performed more than 60 days before planned enrollment, participants must agree to have another biopsy performed at the Screening visit, unless approved by the Medical Monitor.
* No prior treatment for Cervical intraepithelial neoplasia (CIN).
* Generally, in good health with no clinically significant pulmonary, cardiac, gastro-enterologic, neurologic, renal, musculoskeletal, rheumatologic, metabolic, neoplastic, or endocrine disease.
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Minimum age
25
Years
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Maximum age
55
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Women who are pregnant, plan to become pregnant in the next 4 months, or lactating females.
* Unwilling to use stringent methods of contraception (including barrier method, as well as another acceptable method) throughout the course of the study.
* History of cancer, except basal cell or squamous cell carcinoma of the skin.
* History of genital herpes with outbreak within prior 12 months.
* Have an active pelvic or non-HPV (Human papillomavirus) vaginal infection (e.g., that was detected by a positive urine screen for gonorrhea or chlamydial infection, bimanual exam consistent with pelvic inflammatory disease, positive bedside testing criteria for bacterial vaginosis, candida vaginitis or trichomonal vaginitis, etc).
* Current or recent abnormal vaginal discharge and /or abnormal vaginal bleeding.
* Had a therapeutic abortion or miscarriage less than 3 months prior.
* Any clinically significant immune suppressing condition.
* Participants with a significant acute condition or any other condition that in the opinion of the Investigator might interfere with the evaluation of the study objectives.
* Women who, in the PI's judgment, would be harmed by the delay in undergoing definitive treatment as a result of study participation and the ABI-2280 Vaginal Tablet dosing schedule.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Non-randomised 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
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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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
10/09/2022
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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
31/05/2024
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Actual
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Sample size
Target
29
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW,QLD
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Recruitment hospital [1]
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East Sydney Doctors - Darlinghurst
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Recruitment hospital [2]
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Gold Coast University Hospital - Southport
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Recruitment postcode(s) [1]
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2010 - Darlinghurst
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Recruitment postcode(s) [2]
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4215 - Southport
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Recruitment outside Australia
Country [1]
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South Africa
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State/province [1]
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Free State
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Antiva Biosciences
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
This is an open-label study to evaluate the safety, tolerability, and efficacy of ABI-2280 in participants with cervical squamous intraepithelial lesions. This study is divided into 2 parts - Part A and Part B. Part A consists of 3 dose escalating cohorts. Part B is a dose expansion cohort. Participants will self-administer ABI-2280.
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Trial website
https://clinicaltrials.gov/study/NCT05502367
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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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Oranee Daniels, MD
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Address
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Country
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Phone
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650-822-1400
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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
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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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/NCT05502367