Solid TumorPhase 1NCT04800822
PF-07284892 in Participants With Advanced Solid Tumors
A Phase 1 study testing PF-07284892, lorlatinib and binimetinib in people with Solid Tumor, run by Pfizer at 11 sites in United States.
Trial summary
The purpose of this first-in-patient, open label study is to determine the maximum tolerated dose and/or recommended dose for further study of PF-07284892 as a single agent and in combination with lorlatinib, encorafenib and cetuximab, or binimetinib and evaluate the pharmacokinetics, safety, and preliminary clinical… Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Solid Tumor
- What is being tested?
- PF-07284892, lorlatinib and binimetinib
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 53 participants
- Where
- 11 sitesUnited States
- Study dates
- 17 Mar 2021to 19 Jun 2024
- 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 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Age ≥18 years at the time of informed consent
- Histological or cytological diagnosis of ALK-positive advanced NSCLC, CRC with BRAF V600E mutation, or RAS- mutant, NF1-mutant or BRAF class 3 mutant solid tumor. Participants with ROS-positive NSCLC are also eligible for Part 1 and 2 (Other ROS1-positive solid tumors may be considered after discussion with the sponsor).
- Documentation evidence of biomarker mutation status
- Part 3:
- ALK-positive NSCLC with prior lorlatinib and no prior platinum-based chemotherapy (Cohort 1); with prior lorlatinib and prior platinum-based chemotherapy (Cohort 2); or with no prior lorlatinib (Cohort 3).
- BRAF V600E mutant CRC participants resistant to BRAFi plus EGFRi (Cohort 4 ); refractory to BRAFi plus EGFRi (Cohort 5); or BRAFi plus EGFRi naïve (Cohort 6).
- RAS- mutant, NF1-mutant or BRAF class 3 mutant solid tumors who have received prior SOC (Cohort 7).
Who cannot join
- Brain metastasis larger than 4 cm
- Active malignancy within 3 years
- Systemic anti-cancer therapy or small molecule therapeutics within 2 weeks prior to start of study treatment. Antibody based agents within 4 weeks prior to start of study treatment. Mitomycin C or nitrosoureas within 6 weeks prior to start of study treatment.
- For participants who may get lorlatinib or encorafenib on study, history of interstitial lung disease
- For participants who may get binimetinib on study, history or current evidence of retinal vein occlusion (RVO) or concurrent neuromuscular disorder associated with elevated creatine kinase (CK)
Trial locations and contacts
11 sites in 1 country.
11 sites in 1 country
United States11 sites
Brigitte Harris Cancer Pavilion
Detroit, Michigan, 48202
Henry Ford Hospital
Detroit, Michigan, 48202
Tennessee Oncology PLLC
Franklin, Tennessee, 37067
START Midwest
Grand Rapids, Michigan, 49546
The University of Texas MD Anderson Cancer Center
Houston, Texas, 77030
SCRI Oncology Partners
Nashville, Tennessee, 37203
Memorial Sloan Kettering Cancer Center David H Koch Center for Cancer Care
New York, New York, 10021
Memorial Sloan Kettering Cancer Center Rockefeller Outpatient Pavilion
New York, New York, 10022
Henry Ford Medical Center - Columbus
Novi, Michigan, 48377
Mayo Clinic in Arizona - Phoenix
Phoenix, Arizona, 85054
Mayo Clinic
Scottsdale, Arizona, 85259
About this study
Official title: A PHASE 1, OPEN-LABEL, MULTI-CENTER, DOSE ESCALATION AND DOSE EXPANSION STUDY TO EVALUATE THE SAFETY, TOLERABILITY, PHARMACOKINETICS, AND PRELIMINARY EVIDENCE OF ANTI-TUMOR ACTIVITY OF PF-07284892 (ARRY-558) AS A SINGLE AGENT AND IN COMBINATION THERAPY IN PARTICIPANTS WITH ADVANCED SOLID TUMORS
The purpose of this first-in-patient, open label study is to determine the maximum tolerated dose and/or recommended dose for further study of PF-07284892 as a single agent and in combination with lorlatinib, encorafenib and cetuximab, or binimetinib and evaluate the pharmacokinetics, safety, and preliminary clinical activity of single agent and each combination therapy.
- Conditions
- Solid Tumor
- Being tested
- PF-07284892, lorlatinib, binimetinib, cetuximab, encorafenib
- Keywords
- colorectal cancer, non-small cell lung cancer, B-type Raf proto-oncogene (BRAF) mutation, Ras mutation, anaplastic lymphoma kinase (ALK)-positive, neurofibromatosis type 1 (NF1), ROS1
- Medical subject headings
- Colorectal Neoplasms, Carcinoma, Non-Small-Cell Lung, Hereditary Sensory and Autonomic Neuropathies, Neurofibromatosis 1
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
PF-07284892Drug
Also called ARRY-558
PF-07284892
lorlatinibDrug
Also called Lorbrena; PF-06463922, Lorviqua
lorlatinib
binimetinibDrug
Also called Mektovi, PF-06811462, MEK162
binimetinib
cetuximabBiological
Also called Erbitux
cetuximab
encorafenibDrug
Also called Braftovi, PF-07263896, LGX818
encorafenib
| Study group | Role | What they receive |
|---|---|---|
| PF-07284892 monotherapy | Experimental | Monotherapy dose escalation of PF-07284892 in participants with ALK- or ROS1-positive non-small cell lung cancer (NSCLC), B-type Raf proto-oncogene V600E mutation colorectal cancer (CRC), or RAS- mutant, NF1-mutant or BRAF class 3-mutant solid tumors Receives: Drug: PF-07284892 |
| PF-07284892 in combination with lorlatinib (Part 2) | Experimental | Combination dose escalation of PF-07284892 in combination with lorlatinib in participants with ALK- or ROS1-positive NSCLC Receives: Drug: PF-07284892; Drug: lorlatinib |
| Expansion Phase (Cohort 1) | Experimental | PF-07284892 + lorlatinib in participants with ALK+ NSCLC with prior lorlatinib Receives: Drug: PF-07284892; Drug: lorlatinib |
| Expansion Phase (Cohort 2) | Experimental | PF-07284892 + lorlatinib in participants with ALK+ NSCLC with no prior lorlatinib Receives: Drug: PF-07284892; Drug: lorlatinib |
| Expansion Phase (Cohort 3) | Experimental | PF-07284892 + encorafenib + cetuximab in participants with BRAF V600E mutant CRC with prior BRAF inhibitor (BRAFi) plus epidermal growth factor receptor inhibitor (EGFRi) Receives: Drug: PF-07284892; Biological: cetuximab; Drug: encorafenib |
| Expansion Phase (Cohort 4) | Experimental | PF-07284892 + encorafenib + cetuximab in participants with BRAF V600E mutant CRC with no prior BRAFi plus EGFRi Receives: Drug: PF-07284892; Biological: cetuximab; Drug: encorafenib |
| Expansion Phase (Cohort 5) | Experimental | PF-07284892 + binimetinib in participants with RAS- mutant, NF1-mutant or BRAF class 3 mutant solid tumors who have received prior standard of care (SOC) Receives: Drug: PF-07284892; Drug: binimetinib |
| PF-07284892 in combination with encorafenib and cetuximab (Part 2) | Experimental | Combination dose escalation of PF-07284892 in combination with encorafenib and cetuximab in participants with BRAF V600E mutant CRC Receives: Drug: PF-07284892; Biological: cetuximab; Drug: encorafenib |
| PF-07284892 in combination with binimetinib (Part 2) | Experimental | Combination dose escalation of PF-07284892 in combination with binimetinib in participants with Ras-mutant, NF-1 mutant or BRAF class 3 -mutant solid tumors Receives: Drug: PF-07284892; Drug: binimetinib |
What is being measured
The primary outcome is the main question the study is designed to answer.
Part 1 and Part 2- Number of participants with dose limiting toxicities (DLTs)
DLTs will be evaluated during the first cycle (21 days) as both a single agent or in combination with lorlatinib, encorafenib + cetuximab, or binimetinib. The number of DLTs will be used to determine the maximum tolerated dose (MTD)/recommended dose for further study
Measured: Cycle 1 (21 days)
Part 1 and Part 2- Number of participants with treatment-emergent adverse events (AEs)
AEs as characterized by type, frequency, severity, timing, seriousness, and relationship to study therapy
Measured: Baseline up to 30 days after last dose of study medication
Part 1 and Part 2 - Number of participants with clinically significant change from baseline in laboratory abnormalities
Laboratory abnormalities as characterized by type, frequency, severity, and timing
Measured: Baseline up to 30 days after last dose of study treatment
Part 1 and Part 2 - Number of dose interruptions, dose modifications, and discontinuations due to AEs
Incidence of dose interruptions, dose modifications, and discontinuations due to AEs
Measured: Baseline up to 30 days after the last dose of study medication
Part 3- Overall response
Response will be evaluated via radiographical tumor assessments by Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1)
Measured: Baseline to up to 2 years
Secondary outcomes (8)
Part 1 and Part 2- Maximum plasma concentration (Cmax) of PF-07284892 and metabolite
single dose (Cmax) and multiple dose (assuming steady state is achieved; Css,max) pharmacokinetic (PK) parameters
Measured: Cycle 1 Day 1 (predose, 1, 2, 4, 6, 8 hours postdose); Cycle 1 Day 18 (predose, 1, 2, 4, 6, 8, 24, and 48 hours postdose); Cycle 2-6 Day 1 (predose and 2 hours postdose); Cycle 7-12 Day 1 predose; end of treatment (EOT)
Part 1 and Part 2- Time to reach maximum plasma concentration (Tmax) of PF-07284892 and metabolite
Single dose (Tmax) and multiple dose (assuming steady state is achieved; Tss,max) pharmacokinetic parameters
Measured: Cycle 1 Day 1 (predose, 1, 2, 4, 6, 8 hours postdose); Cycle 1 Day 18 (predose, 1, 2, 4, 6, 8, 24, and 48 hours postdose); Cycle 2-6 Day 1 (predose and 2 hours postdose); Cycle 7-12 Day 1 predose; EOT
Part 1 and Part 2- Area under the plasma concentration-time curve from time 0 to the last time point of quantifiable concentration (AUClast) of PF-07284892 and metabolite
Single dose PK parameter
Measured: Cycle 1 Day 1 (predose, 1, 2, 4, 6, 8 hours postdose); Cycle 1 Day 18 (predose, 1, 2, 4, 6, 8, 24, and 48 hours postdose); Cycle 2-6 Day 1 (predose and 2 hours postdose); Cycle 7-12 Day 1 predose; EOT
Part 1 and Part 2- Area under the plasma concentration-time curve from time 0 to extrapolated to infinity (AUCinf) of PF-07284892 and metabolite
Single dose and multiple dose (assuming steady state is achieved) PK parameter
Measured: Cycle 1 Day 1 (predose, 1, 2, 4, 6, 8 hours postdose); Cycle 1 Day 18 (predose, 1, 2, 4, 6, 8, 24, and 48 hours postdose); Cycle 2-6 Day 1 (predose and 2 hours postdose); Cycle 7-12 Day 1 predose; EOT
Part 1 and Part 2- Metabolite ratio of PF-07284892 and metabolite
Single dose PK parameter
Measured: Cycle 1 Day 1 (predose, 1, 2, 4, 6, 8 hours postdose); Cycle 1 Day 18 (predose, 1, 2, 4, 6, 8, 24, and 48 hours postdose); Cycle 2-6 Day 1 (predose and 2 hours postdose); Cycle 7-12 Day 1 predose; EOT
Part 1 and Part 2- Area under the plasma concentration-time curve from 0 to 24 (AUC24) or 48 hours (AUC48) of PF-07284892 and metabolite
Multiple dose (assuming steady state is achieved) PK parameter
Measured: Cycle 1 Day 1 (predose, 1, 2, 4, 6, 8 hours postdose); Cycle 1 Day 18 (predose, 1, 2, 4, 6, 8, 24, and 48 hours postdose); Cycle 2-6 Day 1 (predose and 2 hours postdose); Cycle 7-12 Day 1 predose; EOT
Part 1 and Part 2- Overall response
Response will be evaluated via radiographical tumor assessments by RECIST v1.1
Measured: Baseline to up to 2 years
Part 2- Duration of Response (DOR)
Time from the first documentation of objective response to the first documentation of objective progressive disease, relapse or to death due to any cause
Measured: Baseline to up to 2 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted16 Mar 2021
- Study start17 Mar 2021
- Primary completion19 Jun 2024
- Study completion19 Jun 2024
Why it stopped: The study was prematurely discontinued due to strategic reasons. The PF-07284892 program will continue
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Solid TumorStudies of the same condition, open and under way.
- More trials run by PfizerThe sponsor's other registered studies.
- 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
- Non-randomised
- Intervention model
- Sequential
- Masking
- None (open label)
- Enrolment
- 53 participants (actual)
Sponsor and investigators
- Lead sponsor
- Pfizer
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Pfizer CT.gov Call Center, Study director, Pfizer
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04800822
- Sponsor's protocol ID
- C4481001
- Other IDs
- SHP2, 2022-502431-18-00
- Status last verified
- May 2025
- First submitted
- 9 Mar 2021
- Last updated
- 4 Jun 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- No: Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical\_trials/trial\_data\_and\_results/data\_requests.
Study at a glance
From the registry record, last updated by the sponsor on 4 Jun 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A PHASE 1, OPEN-LABEL, MULTI-CENTER, DOSE ESCALATION AND DOSE EXPANSION STUDY TO EVALUATE THE SAFETY, TOLERABILITY, PHARMACOKINETICS, AND PRELIMINARY EVIDENCE OF ANTI-TUMOR ACTIVITY OF PF-07284892 (ARRY-558) AS A SINGLE AGENT AND IN COMBINATION THERAPY IN PARTICIPANTS WITH ADVANCED SOLID TUMORS
- ClinicalTrials.gov ID
- NCT04800822
- Acronym / sponsor ID
- C4481001
- Conditions
- Solid Tumor
- Keywords
- colorectal cancer, non-small cell lung cancer, B-type Raf proto-oncogene (BRAF) mutation, Ras mutation, anaplastic lymphoma kinase (ALK)-positive, neurofibromatosis type 1 (NF1), ROS1
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- TerminatedReason stopped: The study was prematurely discontinued due to strategic reasons. The PF-07284892 program will continue
- Enrolment
- 53 participants (actual)
- Lead sponsor
- PfizerIndustry (pharma, biotech, devices)
- Study start
- 17 Mar 2021 (actual)
- Primary completion
- 19 Jun 2024 (actual)
- Study completion
- 19 Jun 2024 (actual)
- First posted
- 16 Mar 2021 (actual)
- 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 purpose of this first-in-patient, open label study is to determine the maximum tolerated dose and/or recommended dose for further study of PF-07284892 as a single agent and in combination with lorlatinib, encorafenib and cetuximab, or binimetinib and evaluate the pharmacokinetics, safety, and preliminary clinical activity of single agent and each combination therapy.
Study design
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Sequential
- Masking
- None (open label)
- Number of arms
- 9
| Arm | Type | Receives |
|---|---|---|
| PF-07284892 monotherapy | Experimental | Drug: PF-07284892Monotherapy dose escalation of PF-07284892 in participants with ALK- or ROS1-positive non-small cell lung cancer (NSCLC), B-type Raf proto-oncogene V600E mutation colorectal cancer (CRC), or RAS- mutant, NF1-mutant or BRAF class 3-mutant solid tumors |
| PF-07284892 in combination with lorlatinib (Part 2) | Experimental | Drug: PF-07284892, Drug: lorlatinibCombination dose escalation of PF-07284892 in combination with lorlatinib in participants with ALK- or ROS1-positive NSCLC |
| Expansion Phase (Cohort 1) | Experimental | Drug: PF-07284892, Drug: lorlatinibPF-07284892 + lorlatinib in participants with ALK+ NSCLC with prior lorlatinib |
| Expansion Phase (Cohort 2) | Experimental | Drug: PF-07284892, Drug: lorlatinibPF-07284892 + lorlatinib in participants with ALK+ NSCLC with no prior lorlatinib |
| Expansion Phase (Cohort 3) | Experimental | Drug: PF-07284892, Biological: cetuximab, Drug: encorafenibPF-07284892 + encorafenib + cetuximab in participants with BRAF V600E mutant CRC with prior BRAF inhibitor (BRAFi) plus epidermal growth factor receptor inhibitor (EGFRi) |
| Expansion Phase (Cohort 4) | Experimental | Drug: PF-07284892, Biological: cetuximab, Drug: encorafenibPF-07284892 + encorafenib + cetuximab in participants with BRAF V600E mutant CRC with no prior BRAFi plus EGFRi |
| Expansion Phase (Cohort 5) | Experimental | Drug: PF-07284892, Drug: binimetinibPF-07284892 + binimetinib in participants with RAS- mutant, NF1-mutant or BRAF class 3 mutant solid tumors who have received prior standard of care (SOC) |
| PF-07284892 in combination with encorafenib and cetuximab (Part 2) | Experimental | Drug: PF-07284892, Biological: cetuximab, Drug: encorafenibCombination dose escalation of PF-07284892 in combination with encorafenib and cetuximab in participants with BRAF V600E mutant CRC |
| PF-07284892 in combination with binimetinib (Part 2) | Experimental | Drug: PF-07284892, Drug: binimetinibCombination dose escalation of PF-07284892 in combination with binimetinib in participants with Ras-mutant, NF-1 mutant or BRAF class 3 -mutant solid tumors |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (7 listed)
- Age ≥18 years at the time of informed consent
- Histological or cytological diagnosis of ALK-positive advanced NSCLC, CRC with BRAF V600E mutation, or RAS- mutant, NF1-mutant or BRAF class 3 mutant solid tumor. Participants with ROS-positive NSCLC are also eligible for Part 1 and 2 (Other ROS1-positive solid tumors may be considered after discussion with the sponsor).
- Documentation evidence of biomarker mutation status
- Part 3:
- ALK-positive NSCLC with prior lorlatinib and no prior platinum-based chemotherapy (Cohort 1); with prior lorlatinib and prior platinum-based chemotherapy (Cohort 2); or with no prior lorlatinib (Cohort 3).
Key exclusion criteria (5 listed)
- Brain metastasis larger than 4 cm
- Active malignancy within 3 years
- Systemic anti-cancer therapy or small molecule therapeutics within 2 weeks prior to start of study treatment. Antibody based agents within 4 weeks prior to start of study treatment. Mitomycin C or nitrosoureas within 6 weeks prior to start of study treatment.
- For participants who may get lorlatinib or encorafenib on study, history of interstitial lung disease
- For participants who may get binimetinib on study, history or current evidence of retinal vein occlusion (RVO) or concurrent neuromuscular disorder associated with elevated creatine kinase (CK)
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 |
|---|---|---|
| PF-07284892Also: ARRY-558PF-07284892 | Drug | Expansion Phase (Cohort 1), Expansion Phase (Cohort 2), Expansion Phase (Cohort 3), Expansion Phase (Cohort 4), Expansion Phase (Cohort 5), PF-07284892 in combination with binimetinib (Part 2), PF-07284892 in combination with encorafenib and cetuximab (Part 2), PF-07284892 in combination with lorlatinib (Part 2), PF-07284892 monotherapy |
| lorlatinibAlso: Lorbrena; PF-06463922, Lorviqualorlatinib | Drug | Expansion Phase (Cohort 1), Expansion Phase (Cohort 2), PF-07284892 in combination with lorlatinib (Part 2) |
| binimetinibAlso: Mektovi, PF-06811462, MEK162binimetinib | Drug | Expansion Phase (Cohort 5), PF-07284892 in combination with binimetinib (Part 2) |
| cetuximabAlso: Erbituxcetuximab | Biological | Expansion Phase (Cohort 3), Expansion Phase (Cohort 4), PF-07284892 in combination with encorafenib and cetuximab (Part 2) |
| encorafenibAlso: Braftovi, PF-07263896, LGX818encorafenib | Drug | Expansion Phase (Cohort 3), Expansion Phase (Cohort 4), PF-07284892 in combination with encorafenib and cetuximab (Part 2) |
Primary outcome
Part 1 and Part 2- Number of participants with dose limiting toxicities (DLTs)
Time frame: Cycle 1 (21 days)
DLTs will be evaluated during the first cycle (21 days) as both a single agent or in combination with lorlatinib, encorafenib + cetuximab, or binimetinib. The number of DLTs will be used to determine the maximum tolerated dose (MTD)/recommended dose for further study
Part 1 and Part 2- Number of participants with treatment-emergent adverse events (AEs)
Time frame: Baseline up to 30 days after last dose of study medication
AEs as characterized by type, frequency, severity, timing, seriousness, and relationship to study therapy
Part 1 and Part 2 - Number of participants with clinically significant change from baseline in laboratory abnormalities
Time frame: Baseline up to 30 days after last dose of study treatment
Laboratory abnormalities as characterized by type, frequency, severity, and timing
Part 1 and Part 2 - Number of dose interruptions, dose modifications, and discontinuations due to AEs
Time frame: Baseline up to 30 days after the last dose of study medication
Incidence of dose interruptions, dose modifications, and discontinuations due to AEs
Part 3- Overall response
Time frame: Baseline to up to 2 years
Response will be evaluated via radiographical tumor assessments by Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1)
8 secondary outcomes
Part 1 and Part 2- Maximum plasma concentration (Cmax) of PF-07284892 and metabolite
Time frame: Cycle 1 Day 1 (predose, 1, 2, 4, 6, 8 hours postdose); Cycle 1 Day 18 (predose, 1, 2, 4, 6, 8, 24, and 48 hours postdose); Cycle 2-6 Day 1 (predose and 2 hours postdose); Cycle 7-12 Day 1 predose; end of treatment (EOT)
Part 1 and Part 2- Time to reach maximum plasma concentration (Tmax) of PF-07284892 and metabolite
Time frame: Cycle 1 Day 1 (predose, 1, 2, 4, 6, 8 hours postdose); Cycle 1 Day 18 (predose, 1, 2, 4, 6, 8, 24, and 48 hours postdose); Cycle 2-6 Day 1 (predose and 2 hours postdose); Cycle 7-12 Day 1 predose; EOT
Part 1 and Part 2- Area under the plasma concentration-time curve from time 0 to the last time point of quantifiable concentration (AUClast) of PF-07284892 and metabolite
Time frame: Cycle 1 Day 1 (predose, 1, 2, 4, 6, 8 hours postdose); Cycle 1 Day 18 (predose, 1, 2, 4, 6, 8, 24, and 48 hours postdose); Cycle 2-6 Day 1 (predose and 2 hours postdose); Cycle 7-12 Day 1 predose; EOT
Part 1 and Part 2- Area under the plasma concentration-time curve from time 0 to extrapolated to infinity (AUCinf) of PF-07284892 and metabolite
Time frame: Cycle 1 Day 1 (predose, 1, 2, 4, 6, 8 hours postdose); Cycle 1 Day 18 (predose, 1, 2, 4, 6, 8, 24, and 48 hours postdose); Cycle 2-6 Day 1 (predose and 2 hours postdose); Cycle 7-12 Day 1 predose; EOT
Part 1 and Part 2- Metabolite ratio of PF-07284892 and metabolite
Time frame: Cycle 1 Day 1 (predose, 1, 2, 4, 6, 8 hours postdose); Cycle 1 Day 18 (predose, 1, 2, 4, 6, 8, 24, and 48 hours postdose); Cycle 2-6 Day 1 (predose and 2 hours postdose); Cycle 7-12 Day 1 predose; EOT
Part 1 and Part 2- Area under the plasma concentration-time curve from 0 to 24 (AUC24) or 48 hours (AUC48) of PF-07284892 and metabolite
Time frame: Cycle 1 Day 1 (predose, 1, 2, 4, 6, 8 hours postdose); Cycle 1 Day 18 (predose, 1, 2, 4, 6, 8, 24, and 48 hours postdose); Cycle 2-6 Day 1 (predose and 2 hours postdose); Cycle 7-12 Day 1 predose; EOT
Part 1 and Part 2- Overall response
Time frame: Baseline to up to 2 years
Part 2- Duration of Response (DOR)
Time frame: Baseline to up to 2 years
Results and safety
The study was stopped early (reason given: The study was prematurely discontinued due to strategic reasons. The PF-07284892 program will continue). Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 4 Jun 2026.
- To obtain contact information for a study center near you, click here.Link provided by the sponsor.
- Individual participant dataSharing planned: No. Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical_trials/trial_data_and_results/data_requests.
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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.
Pfizer CT.gov Call Center study director
Pfizer
11 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1 study testing PF-07284892, lorlatinib and binimetinib in people with Solid Tumor, run by Pfizer at 11 sites 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 7 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: stopped early, as of the sponsor's last update on 4 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 11 sites 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 was stopped early (reason given: The study was prematurely discontinued due to strategic reasons. The PF-07284892 program will continue). Results are not available in the source record.
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?
Part 1 and Part 2- Number of participants with dose limiting toxicities (DLTs) (time frame: Cycle 1 (21 days)). The study lists 5 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 4 Jun 2026.