Breast CancerPhase 1NCT01367652
Bioequivalency Study of Letrozole 2.5 mg Tablets Under Fasted Conditions
A Phase 1 study testing Letrozole in people with Breast Cancer, run by Roxane Laboratories at 1 site in United States.
Trial summary
The objective of this study was to prove the bioequivalence of Letrozole Tablet under fasted conditions. Read more about this study
- Who is it for?
- Ages 18 to 45 years, men onlyHealthy volunteers can take part
- Conditions the study is for
- Breast Cancer
- What is being tested?
- Letrozole
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 28 participants
- Where
- 1 siteUnited States
- Study dates
- Mar 2008to Apr 2008
- Phase
- Phase 1
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 45 years
- Men only
- Healthy volunteers accepted
- Adult
Who may be able to join
- No clinically significant abnormal findings on the physical examination, medical history, or clinical laboratory results during screening
Who cannot join
- Positive test for HIV, Hepatitis B, or Hepatitis C.
- Treatment with known enzyme altering drugs.
- History of allergic or adverse response to letrozole or any comparable or similar product.
Trial locations and contacts
1 site in 1 country.
About this study
Official title: A Single Dose, 2-Period, 2-Treatment 2-Way Crossover Bioequivalency Study of Letrozole Tablets Under Fasted Conditions
The objective of this study was to prove the bioequivalence of Letrozole Tablet under fasted conditions.
- Conditions
- Breast Cancer
- Being tested
- Letrozole
- Medical subject headings
- Breast Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| Letrozole | Active comparator | 2.5 mg tablet Receives: Drug: Letrozole |
| Femara | Active comparator | 2.5 mg tablet Receives: Drug: Letrozole |
What is being measured
The primary outcome is the main question the study is designed to answer.
bioequivalence determined by statistical comparison Cmax
Measured: 31 days
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted7 Jun 2011 (estimated)
- Study startMar 2008
- Primary completionApr 2008
- Study completionApr 2008
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Breast CancerStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 1
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- None (open label)
- Enrolment
- 28 participants (actual)
Sponsor and investigators
- Lead sponsor
- Roxane Laboratories
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Alan Copa, PharmD, Principal investigator, PRACS Institute, Ltd.
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01367652
- Sponsor's protocol ID
- LETR-T25-PVFS-1
- Status last verified
- Jan 2018
- First submitted
- 3 Jun 2011
- Last updated
- 23 Jan 2018
- Results posted
- No
- Data monitoring committee
- No
Study at a glance
From the registry record, last updated by the sponsor on 23 Jan 2018. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Single Dose, 2-Period, 2-Treatment 2-Way Crossover Bioequivalency Study of Letrozole Tablets Under Fasted Conditions
- ClinicalTrials.gov ID
- NCT01367652
- Acronym / sponsor ID
- LETR-T25-PVFS-1
- Conditions
- Breast Cancer
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 28 participants (actual)
- Lead sponsor
- Roxane LaboratoriesIndustry (pharma, biotech, devices)
- Study start
- Mar 2008
- Primary completion
- Apr 2008 (actual)
- Study completion
- Apr 2008 (actual)
- First posted
- 7 Jun 2011 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The objective of this study was to prove the bioequivalence of Letrozole Tablet under fasted conditions.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Letrozole | Active comparator | Drug: Letrozole2.5 mg tablet |
| Femara | Active comparator | Drug: Letrozole2.5 mg tablet |
Who may qualify
- Ages
- 18 to 45 years
- Sex
- Male only
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (1 listed)
- No clinically significant abnormal findings on the physical examination, medical history, or clinical laboratory results during screening
Key exclusion criteria (3 listed)
- Positive test for HIV, Hepatitis B, or Hepatitis C.
- Treatment with known enzyme altering drugs.
- History of allergic or adverse response to letrozole or any comparable or similar product.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| LetrozoleAlso: Femara2.5 mg tablet | Drug | Femara |
| LetrozoleAlso: Femara2.5 mg Tablet | Drug | Letrozole |
Primary outcome
bioequivalence determined by statistical comparison Cmax
Time frame: 31 days
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 23 Jan 2018.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Alan Copa, PharmD principal investigator
PRACS Institute, Ltd.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1 study testing Letrozole in people with Breast Cancer, run by Roxane Laboratories at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 23 Jan 2018. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
bioequivalence determined by statistical comparison Cmax (time frame: 31 days). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 Jan 2018.