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

Registration Number
NCT05691400
Lead Sponsor
University of Michigan Rogel Cancer Center
Brief 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

Detailed Description

Not available

Recruitment & Eligibility

Status
WITHDRAWN
Sex
All
Target Recruitment
Not specified
Inclusion Criteria
  1. 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
  2. Age≥18
  3. Ability to understand and the willingness to sign a written informed consent.
Exclusion Criteria
  1. 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
  2. Carriers another variant known to affect CYP3A4 activity, particularly CYP3A4*20.
  3. 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
  4. History of allergic reaction to CDK4/6 inhibitor
  5. Pregnancy or nursing female

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
CYP3A4*1/*1Abemaciclib 150 MG Oral TabletThis 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.
CYP3A4*1/*22Palbociclib 125Mg TabThis 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.
CYP3A4*1/*22Abemaciclib 150 MG Oral TabletThis 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.
CYP3A4*22/*22Abemaciclib 150 MG Oral TabletThis 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.
CYP3A4*1/*22Ribociclib 200Mg Oral TabletThis 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.
CYP3A4*1/*1Palbociclib 125Mg TabThis 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.
CYP3A4*22/*22Palbociclib 125Mg TabThis 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.
CYP3A4*22/*22Ribociclib 200Mg Oral TabletThis 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.
CYP3A4*1/*1Ribociclib 200Mg Oral TabletThis 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.
Primary Outcome Measures
NameTimeMethod
Effect of CYP3A4*22 on the Clearance of Palbociclib2 days after initiation of Palbocicblib treatment

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

Effect of CYP3A4*22 on the Clearance of Ribociclibup to 32 days after initiation of Study drug

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

Effect of CYP3A4*22 on the CL of Abemaciclibup to 62 days after initiation of Study drug

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

Secondary Outcome Measures
NameTimeMethod
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