A Study Of PD-0332991 (Cyclin Dependent Kinase 4/6 Inhibitor) In Japanese Patients With Advanced Solid Tumors

This study is currently recruiting participants.
Verified June 2013 by Pfizer
Sponsor:
Information provided by (Responsible Party):
Pfizer
ClinicalTrials.gov Identifier:
NCT01684215
First received: September 10, 2012
Last updated: June 17, 2013
Last verified: June 2013
  Purpose

This is a non-randomized, single country, open label, Phase 1 clinical trial which will evaluate the tolerability, safety and PK profile of PD-0332991 in Japanese patients with advanced solid tumors.


Condition Intervention Phase
Neoplasms
Breast Neoplasms
Drug: PD-0332991
Drug: PD-0332991 plus letrozole
Phase 1

Study Type: Interventional
Study Design: Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: A Phase 1 Study Of The Safety And Pharmacokinetics Of Oral PD-0332991, A Cyclin-Dependent Kinase 4 And 6 (CDK4/6) Inhibitor, In Japanese Patients With Advanced Solid Tumors

Resource links provided by NLM:


Further study details as provided by Pfizer:

Primary Outcome Measures:
  • First cycle Dose Limiting Toxicities [ Time Frame: 28 days after first dose ] [ Designated as safety issue: Yes ]

Secondary Outcome Measures:
  • Area under the plasma concentration versus time curve (AUC) of PD-0332991 [ Time Frame: Cycle 1 Day -7; Cycle 1 Day 8 ] [ Designated as safety issue: No ]
  • Peak Plasma Concentration of PD-0332991 [ Time Frame: Cycle 1 Day -7; Cycle 1 Day 8 ] [ Designated as safety issue: No ]
  • Time for Cmax of PD-0332991 [ Time Frame: Cycle 1 Day -7;Cycle 1 Day 8 ] [ Designated as safety issue: No ]
  • Terminal Elimination Half-life of PD-0332991 [ Time Frame: Cycle 1 Day -7 ] [ Designated as safety issue: No ]
  • Ctrouth of PD-0332991 [ Time Frame: Day 15 of Cycle 1 and Cycle 2 ] [ Designated as safety issue: No ]
  • Ctrough of letrozole [ Time Frame: Day 15 of Cycle 1 and 2, and Day 1 of Cycle 2 and Cycle 3 ] [ Designated as safety issue: No ]
  • Objective tumor response [ Time Frame: Baseline and every 8 weeks ] [ Designated as safety issue: No ]
  • Time to event endpoints: Duration of Response (DR) [ Time Frame: Baseline and every 8 weeks ] [ Designated as safety issue: No ]
  • Time to event endpoints: Progression free survival (PFS) [ Time Frame: Baseline and every 12 weeks ] [ Designated as safety issue: No ]

Estimated Enrollment: 18
Study Start Date: October 2012
Estimated Study Completion Date: September 2015
Estimated Primary Completion Date: September 2015 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: PD-0332991 Drug: PD-0332991
Formulation: PD-0332991 capsules Strength: 25 mg and 100 mg PD-0332991 will be orally administered once a day for 3 weeks followed by 1 week off treatment, in the morning on an empty stomach.
Drug: PD-0332991 plus letrozole

Formulation: PD-0332991 capsules Strength: 25 mg and 100 mg PD-0332991 will be orally administered once a day for 3 weeks followed by 1 week off treatment, in the morning on an empty stomach. PD-0332991 will be administered once a day together with letrozole.

Formulation: letrozole tablets Strength: 2.5 mg Letrozole will be orally administered once a day in continuous daily dosing.


  Eligibility

Ages Eligible for Study:   20 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • In Part 1, advanced solid tumor (except SCLC or retinoblastoma) proven histologically or cytologically at original diagnosis, that is refractory to standard therapy or for whom no standard of care therapy is available.
  • In Part 2, post menopausal women with proven diagnosis of ER-positive, HER2-negative adenocarcinoma of the breast with evidence of locoregionally recurrent or metastatic disease (including bone only disease) not amenable to resection or radiation therapy with curative intent and for whom chemotherapy is not clinically indicated.
  • Adequate blood cell counts, kidney function and liver function and and Eastern Cooperative Oncology Group [ECOG] score of 0 or 1.
  • Resolved acute effects of any prior therapy to baseline severity or Grade ≤1

Exclusion Criteria:

  • Active uncontrolled or symptomatic CNS metastases.
  • Uncontrolled infection, unstable or sever intercurrent medical condition, or current drug or alcohol abuse
  • Active or unstable cardiac disease or history of heart attack within 6 months
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT01684215

Contacts
Contact: Pfizer CT.gov Call Center 1-800-718-1021

Locations
Japan
Pfizer Investigational Site Recruiting
Kashiwa, Chiba, Japan
Pfizer Investigational Site Recruiting
Chuo-Ku, Tokyo, Japan
Sponsors and Collaborators
Pfizer
Investigators
Study Director: Pfizer CT.gov Call Center Pfizer
  More Information

Additional Information:
No publications provided

Responsible Party: Pfizer
ClinicalTrials.gov Identifier: NCT01684215     History of Changes
Other Study ID Numbers: A5481010
Study First Received: September 10, 2012
Last Updated: June 17, 2013
Health Authority: Japan: Pharmaceuticals and Medical Devices Agency

Keywords provided by Pfizer:
Phase 1 study
PD-0332991
Cyclin Dependant Kinase 4/6 inhibitor
Japanese
solid tumors
breast cancer

Additional relevant MeSH terms:
Breast Neoplasms
Neoplasms
Neoplasms by Site
Breast Diseases
Skin Diseases
Letrozole
Antineoplastic Agents
Therapeutic Uses
Pharmacologic Actions
Aromatase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action

ClinicalTrials.gov processed this record on June 18, 2013