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CYP3A4*22Phase 4NCT05691400

Phase IV Multi-arm Study of CDK4/6 Pharmacokinetics in Healthy Volunteers With Known CYP3A4*22 Genotype

A Phase 4 study testing Palbociclib 125Mg Tab, Ribociclib 200Mg Oral Tablet and Abemaciclib 150 MG Oral Tablet in people with CYP3A4*22, run by University of Michigan Rogel Cancer Center.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

The objective of this study is to estimate the effect of CYP3A4*22 on the clearance and area under the plasma concentration-time curve of Palbociclib, Ribociclib, and Abemaciclib Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
CYP3A4*22
What is being tested?
Palbociclib 125Mg Tab, Ribociclib 200Mg Oral Tablet and Abemaciclib 150 MG Oral Tablet
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
0 participants
Where
No sites listed yet
Study dates
Mar 2024to Mar 2027
Phase
Phase 4
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 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • MGI participant with genotype of interest (e.g., CYP3A4*1/*1, CYP3A4*1/*22, or CYP3A4*22/*22) and consented to recontact for future research
  • Age≥18
  • Ability to understand and the willingness to sign a written informed consent.

Who cannot join

  • Concurrent use of a moderate or strong inhibitor or inducer of CYP3A4, based on the current version of the Drug Interactions Flockhart Table™, available at this link or by google search: https://drug-interactions.medicine.iu.edu/MainTable.aspx
  • Carriers another variant known to affect CYP3A4 activity, particularly CYP3A4*20.
  • Active malignancy or other disease state that would affect the pharmacokinetics of CDK4/6 inhibitors or place the participant at particular risk of toxicity from a single dose of a CDK4/6 inhibitor, in the opinion of the study team
  • History of allergic reaction to CDK4/6 inhibitor
  • Pregnancy or nursing female

About this study

The objective of this study is to estimate the effect of CYP3A4*22 on the clearance and area under the plasma concentration-time curve of Palbociclib, Ribociclib, and Abemaciclib

Conditions
CYP3A4*22
Being tested
Palbociclib 125Mg Tab, Ribociclib 200Mg Oral Tablet, Abemaciclib 150 MG Oral Tablet

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Palbociclib 125Mg TabDrug

    Also called ibrance

    125 mg single dose

  • Ribociclib 200Mg Oral TabletDrug

    Also called kisqali

    200 mg single dose

  • Abemaciclib 150 MG Oral TabletDrug

    Also called verzenio

    150 mg single dose

Study groups in NCT05691400
Study groupRoleWhat they receive
CYP3A4*1/*1ExperimentalThis arm will include subjects with CYP3A4*1/*1 genotype. They will receive a single oral dose of each CDK4/6 inhibitor on separate days, with at least 6 days and no more than 30 days between each medication. All participants will receive the medications in the same order: Palbociclib, Ribociclib, Abemaciclib Ribociclib- 200 mg tablet Abemaciclib- 150 mg tablet Palbociclib-125 mg tablet PK sampling will be done at the time of drug administration and at different time points until 48 hours post administration.
Receives: Drug: Palbociclib 125Mg Tab; Drug: Ribociclib 200Mg Oral Tablet; Drug: Abemaciclib 150 MG Oral Tablet
CYP3A4*1/*22ExperimentalThis arm will include subjects with CYP3A4*1/*22 genotype. They will receive a single oral dose of each CDK4/6 inhibitor on separate days, with at least 6 days and no more than 30 days between each medication. All participants will receive the medications in the same order: Palbociclib, Ribociclib, Abemaciclib Ribociclib- 200 mg tablet Abemaciclib- 150 mg tablet Palbociclib-125 mg tablet PK sampling will be done at the time of drug administration and at different time points until 48 hours post administration.
Receives: Drug: Palbociclib 125Mg Tab; Drug: Ribociclib 200Mg Oral Tablet; Drug: Abemaciclib 150 MG Oral Tablet
CYP3A4*22/*22ExperimentalThis arm will include subjects with CYP3A4*22/*22 genotype. They will receive a single oral dose of each CDK4/6 inhibitor on separate days, with at least 6 days and no more than 30 days between each medication. All participants will receive the medications in the same order: Palbociclib, Ribociclib, Abemaciclib Ribociclib- 200 mg tablet Abemaciclib- 150 mg tablet Palbociclib-125 mg tablet PK sampling will be done at the time of drug administration and at different time points until 48 hours post administration.
Receives: Drug: Palbociclib 125Mg Tab; Drug: Ribociclib 200Mg Oral Tablet; Drug: Abemaciclib 150 MG Oral Tablet

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Effect of CYP3A4*22 on the Clearance of Palbociclib

    To determine the effect of CYP3A4*22 on the Clearance of Palbociclib when administered as a single dose to healthy volunteers.

    Measured: 2 days after initiation of Palbocicblib treatment

  2. Effect of CYP3A4*22 on the Clearance of Ribociclib

    To determine the effect of CYP3A4*22 on the Clearance of Ribociclib when administered as a single dose to healthy volunteers.

    Measured: up to 32 days after initiation of Study drug

  3. Effect of CYP3A4*22 on the CL of Abemaciclib

    To determine the effect of CYP3A4*22 on the Clearance of Abemaciclib when administered as a single dose to healthy volunteers.

    Measured: up to 62 days after initiation of Study drug

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted20 Jan 2023
  2. Study startMar 2024 (estimated)
  3. Primary completionMar 2027 (estimated)
  4. Study completionMar 2027 (estimated)

Why it stopped: funding was not secured

Resources

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 4
Primary purpose
Basic science
Allocation
Non-randomised
Intervention model
Single group
Model description
arms are designated based off of genotype; however, treatment is the same for each arm
Masking
None (open label)
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05691400
Sponsor's protocol ID
UMCC 2022.106
Other IDs
HUM00220623
Status last verified
Feb 2024
First submitted
10 Jan 2023
Last updated
2 Feb 2024
Results posted
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No: will be sharing individual participant data with collaborators at Rochester for analysis only

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Palbociclib 125Mg Tab, Ribociclib 200Mg Oral Tablet and Abemaciclib 150 MG Oral Tablet in people with CYP3A4*22, run by University of Michigan Rogel Cancer Center.

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 3 inclusion and 5 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: withdrawn, as of the sponsor's last update on 2 Feb 2024. Status can change between updates, so confirm with the study contact before making plans.

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 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

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 was withdrawn before enrolling participants, so there are no results.

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?

Effect of CYP3A4*22 on the Clearance of Palbociclib (time frame: 2 days after initiation of Palbocicblib treatment). The study lists 3 primary outcomes in all. 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 2 Feb 2024.

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