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Trial registered on ANZCTR

Registration number
Ethics application status
Date submitted
Date registered
Date last updated
Date data sharing statement initially provided
Date results information initially provided
Type of registration
Prospectively registered

Titles & IDs
Public title
Comparative assessment of the absorption of a generic formulation of bexarotene capsule against the innovator bexarotene capsule conducted under fed conditions in healthy male volunteers
Scientific title
A single dose, randomized, blinded, two treatment, three period, three sequence, partial replicate, reference scaled bioequivalence study of a test formulation of bexarotene capsule in a 3 way crossover comparison against the innovator bexarotene capsule conducted under fed conditions in healthy male volunteers
Secondary ID [1] 288781 0
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Bioequivalence study conducted in healthy volunteers comparing two formulations of bexarotene with no health condition or problem studied.

Although this study is being conducted in healthy volunteers who are not being treated for the condition to which the medicine is used, bexarotene is a member of a subclass of retinoids. Bexarotene is indicated for the treatment of cutaneous manifestations of cutaneous T-cell lymphoma (CTCL).
298047 0
Condition category
Condition code
Cancer 298205 298205 0 0
Lymphoma (non Hodgkin's lymphoma) - Low grade lymphoma

Study type
Description of intervention(s) / exposure
Single dose, two-treatment, three-period, three-sequence, partial replicate, reference scaled, crossover, bioequivalence design whereby each participant receives the test formulation of bexarotene (1 x 75 mg) on one occasion and the innovator formulation of bexarotene (1 x 75 mg) on two occasions with each dose seperated by a one week washout period. The intervention for this trial is the test formulation of bexarotene.

No water is allowed for 1 hour prior to dosing until 1 hour after dosing (except for the water consumed with the dose).

Participants are required not to eat for 10 hours prior to receiving breakfast. Subjects will be provided with a standardised high fat breakfast which they must start eating 30 minutes prior to dosing. Subjects are required to fast for approximately 4 hours after receiving each dose. Bathroom visits will be supervised to ensure no unauthorised water or food intake and for personal safety. Participants will be confined at the Clinical Site for 10 hours prior to dosing to ensure compliance and will be monitored for 24 hours including vital signs for 2 hours after dosing.

Standard meals will be consumed at the Clinical Site with no additional food intake allowed. Alcohol breath testing will be performed upon each participant reporting to the Clinical Site 10 hours prior to dosing.

Pre and post study laboratory tests will be completed to assess the health of participants.

Each dose will be taken orally with 240 ml of water at ambient temperature. Medication must be swallowed whole and a mouth check will be conducted to ensure the medication has been taken as directed.
Intervention code [1] 294225 0
Treatment: Drugs
Comparator / control treatment
Single dose, two treatment, three period, three sequence, partial replicate reference scaled crossover study design whereby each participant receives the test formulation of bexarotene (1 x 75 mg) on one occasion and the innovator formulation of bexarotene (1 x 75 mg) on two occasion with each dose separated by a one week washout period. The comparator/control for this trial is the innovator formulation of bexarotene.
Control group

Primary outcome [1] 297712 0
To compare the bioavailability of bexarotene (as summarised by Cmax and AUC) for both formulations. All plasma samples will be assayed for bexarotene using one fully validated LC/MS/MS method. Validation will be conducted to comply with EU and FDA guidelines.
Timepoint [1] 297712 0
0, 0.5, 1, 1.5, 2, 2.33, 2.67, 3, 3.33, 3.67, 4, 4.5, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 32 and 48 hours post dosing
Secondary outcome [1] 321967 0
Time to maximum peak concentration (Tmax) will be determined by plasma sample analysis. Tmax will be the time where the maximum concentration occurred in the sample points.
Timepoint [1] 321967 0
0, 0.5, 1, 1.5, 2, 2.33, 2.67, 3, 3.33, 3.67, 4, 4.5, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 32 and 48 hours post dosing

Key inclusion criteria
Healthy males
Aged between 18 and 55
BMI between 19 and 30 inclusive
Normal, healthy individuals as determined by medical history, physical examination, ECG, blood pressure and laboratory tests
Able to provide written informed consent
Minimum age
18 Years
Maximum age
55 Years
Can healthy volunteers participate?
Key exclusion criteria
Any history of recent recurrent attacks of bronchitis, asthma, migraine headaches
Concomitant drug therapy of any kind
Sensitivity to bexarotene or any other similar class of medicines, or the excipients of bexarotene
History of any conditions that might interfere with the absorption, distribution, metabolism or excretion of the drug
Smoker (anyone who has smoked in the last 6 months)
History of alcohol or drug abuse or dependency
Participation in a drug study within 60 days of the start of the study or donated blood in the 60 days preceding the study.
Volunteers for whom the Clinical Investigator believes, for any reason, that participation would not be an acceptable risk

Study design
Purpose of the study
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
All formulations will be labelled as Formulation A, B and C. The identification of each treatment will only be known to the Managing Director and the Section Head - Trials and Regulatory Affairs.

Each participant will be identified by a 3 digit screening number and a 2 digit subject number. The screening number will be issued once the participant has given written consent to participate in the study and the two digit subject number (randomisation number) after acceptance into the study
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Randomisation list will be prepared using a computer program for a three-way partial replicate crossover design.
Masking / blinding
Blinded (masking used)
Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
Intervention assignment
Other design features
Phase 1
Type of endpoint(s)
Statistical methods / analysis

Recruitment status
Date of first participant enrolment
Date of last participant enrolment
Date of last data collection
Sample size
Accrual to date
Recruitment outside Australia
Country [1] 7710 0
New Zealand
State/province [1] 7710 0

Funding & Sponsors
Funding source category [1] 293147 0
Commercial sector/Industry
Name [1] 293147 0
Douglas Pharmaceuticals America Ltd
Address [1] 293147 0
Central Park Drive
PO Box 45-027
Auckland 0610
Country [1] 293147 0
New Zealand
Primary sponsor type
Commercial sector/Industry
Zenith Technology Corp Ltd
156 Frederick St
Dunedin 9016
New Zealand
Secondary sponsor category [1] 291949 0
Name [1] 291949 0
Address [1] 291949 0
Country [1] 291949 0

Ethics approval
Ethics application status
Ethics committee name [1] 294643 0
Southern Health and Disability Ethics Committee
Ethics committee address [1] 294643 0
Ministry of Health
Freyberg Building
20 Aitken Street
PO Box 5013
Wellington 6011
Ethics committee country [1] 294643 0
New Zealand
Date submitted for ethics approval [1] 294643 0
Approval date [1] 294643 0
Ethics approval number [1] 294643 0

Brief summary
The objective of this study is to evaluate the bioequivalence of the test (new) formulation of 1 x 75 mg against the reference formulation (innovator brand of 1 x 75 mg bexarotene capsule) following oral administration of a single dose of 75 mg in healthy male subjects under fed conditions.
Trial website
Trial related presentations / publications
Public notes

Principal investigator
Name 64462 0
Dr Noelyn Hung
Address 64462 0
Zenith Technology Corporation Limited
156 Frederick Street (PO Box 1777)
Dunedin 9016
Country 64462 0
New Zealand
Phone 64462 0
Fax 64462 0
Email 64462 0
Contact person for public queries
Name 64463 0
Mrs Linda Folland
Address 64463 0
Zenith Technology Corporation Limited
156 Frederick Street (PO Box 1777)
Dunedin 9016
Country 64463 0
New Zealand
Phone 64463 0
Fax 64463 0
Email 64463 0
Contact person for scientific queries
Name 64464 0
Dr Tak Hung
Address 64464 0
Zenith Technology Corporation Limited
156 Frederick Street (PO Box 1777)
Dunedin 9016
Country 64464 0
New Zealand
Phone 64464 0
Fax 64464 0
Email 64464 0

Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No/undecided IPD sharing reason/comment
All data will be compiled into a final report that is the property of the sponsor company. All participant data will be provided in summary format and result of the study only will be reported
What supporting documents are/will be available?
No other documents available
Summary results
Have study results been published in a peer-reviewed journal?
Other publications
Have study results been made publicly available in another format?
Results – basic reporting
Results – plain English summary