PF-07220060 for Solid Cancers

(CDK4i Trial)

Recruiting at 45 trial locations

Overseen By Pfizer CT.gov Call Center

Age: 18+

Sex: Any

Trial Phase: Phase 1

Sponsor: Pfizer

Must be taking: Endocrine therapy

Must not be taking: CDK inhibitors, PI3K-mTOR inhibitors

Disqualifiers: CNS metastases, other active malignancy, others

No Placebo Group All trial participants will receive the active study treatment (no placebo)

Compensation: Varies

Number of Visits: 3

337 Participants Needed

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial tests a new drug, PF-07220060, in patients with metastatic breast cancer. It aims to find the best dose and see if the drug helps stop cancer growth when used alone or with other treatments.

Do I need to stop my current medications to join the trial?

The trial protocol does not specify if you need to stop taking your current medications. However, you must be refractory (not responding) to or intolerant of existing therapies known to provide clinical benefit for your condition.

Who Is on the Research Team?

Pfizer CT.gov Call Center

Principal Investigator

Pfizer

Are You a Good Fit for This Trial?

This trial is for adults with advanced solid tumors, including specific breast and prostate cancers, who have not responded to existing therapies. Participants must have a certain level of physical fitness (ECOG PS 0 or 1) and adequate organ function. They should not have received cancer treatment within the last 2 weeks or be pregnant/breastfeeding.

Inclusion Criteria

My breast cancer is HR+ and HER2- and does not respond to hormone therapy.

My breast cancer is resistant to treatment and is both HR and HER2 positive.

My kidney, liver, and bone marrow are functioning well.

Exclusion Criteria

I do not have active brain metastases or related conditions.

I haven't had cancer treatment in the last 2 weeks.

My cancer returned while on or soon after aromatase inhibitor treatment. I've also had CDK4/6 inhibitor therapy.

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Dose Escalation

Part 1A involves single escalating doses of PF-07220060 to determine the maximum tolerated dose (MTD) and select the recommended dose for expansion.

28 days per cycle, up to 24 months

Weekly during Cycle 1 and 2, then every 28 days

Combination Therapy

Part 1B and Part 1C involve PF-07220060 administered in combination with endocrine therapies (letrozole and fulvestrant).

28 days per cycle, up to 24 months

Weekly during Cycle 1 and 2, then every 28 days

Dose Expansion

Part 2 includes dose expansion cohorts evaluating PF-07220060 in combination with endocrine therapy or enzalutamide.

28 days per cycle, up to 24 months

Weekly during Cycle 1 and 2, then every 28 days

Follow-up

Participants are monitored for safety and effectiveness after treatment.

4 weeks

What Are the Treatments Tested in This Trial?

Interventions

• PF-07220060

Trial Overview The study tests PF-07220060's safety and effects both alone and with endocrine therapy in multiple doses. It includes patients with various cancers such as lung adenocarcinoma, colorectal cancer, liposarcoma, prostate cancer, and breast cancer.

How Is the Trial Designed?

Group I: 2E Combination Dose Expansion Experimental Treatment 2 Interventions

PF-07220060 Monotherapy OR PF-07220060 plus fulvestrant combination therapy

Group II: 2D Combination Dose Expansion Experimental Treatment 2 Interventions

PF-07220060 with enzalutamide Combination Expansion

Group III: 2C Combination Dose Expansion Experimental Treatment 2 Interventions

PF-07220060 with fulvestrant Combination Expansion

Group IV: 2B Combination Dose Expansion Experimental Treatment 2 Interventions

PF-07220060 with Letrozole Combination Expansion

Group V: 2A Combination Dose Expansion Experimental Treatment 2 Interventions

PF-07220060 with fulvestrant combination dose expansion

Group VI: 1F Combination Dose Finding Experimental Treatment 2 Interventions

PF-07220060 with Enzalutamide Escalation

Group VII: 1E DDI Cohort Experimental Treatment 2 Interventions

PF-07220060 DDI with Midazolam

Group VIII: 1D Monotherapy Food Effect Experimental Treatment 1 Intervention

PF-07220060 Monotherapy Food Effect

Group IX: 1C Combination Dose Finding Arm 2 Experimental Treatment 2 Interventions

PF-07220060 with Fulvestrant Combination Escalation

Group X: 1C Combination Dose Finding Arm 1 Experimental Treatment 2 Interventions

PF-07220060 with Fulvestrant Combination Escalation

Group XI: 1B Combination Dose Finding Arm 2 Experimental Treatment 2 Interventions

PF-07220060 with Letrozole Combination Escalation

Group XII: 1B Combination Dose Finding Arm 1 Experimental Treatment 2 Interventions

PF-07220060 with Letrozole combination Escalation

Group XIII: 1A Monotherapy Escalation Arm 5 Experimental Treatment 1 Intervention

PF-07220060 Monotherapy Escalation

Group XIV: 1A Monotherapy Escalation Arm 4 Experimental Treatment 1 Intervention

PF-07220060 Monotherapy Escalation

Group XV: 1A Monotherapy Escalation Arm 3 Experimental Treatment 1 Intervention

PF-07220060 Monotherapy Escalation

Group XVI: 1A Monotherapy Escalation Arm 2 Experimental Treatment 1 Intervention

PF-07220060 Monotherapy Escalation

Group XVII: 1A Monotherapy Escalation Arm 1 Experimental Treatment 1 Intervention

PF-07220060 Monotherapy Escalation

Who Is Running the Clinical Trial?

Pfizer

Lead Sponsor

Trials

4,712

Recruited

50,980,000+

Known For

Vaccine Innovations

Top Products

Viagra, Zoloft, Lipitor, Prevnar 13

Albert Bourla

Pfizer

Chief Executive Officer since 2019

PhD in Biotechnology of Reproduction, Aristotle University of Thessaloniki

Patrizia Cavazzoni

Pfizer

Chief Medical Officer

MD from McGill University