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The Evaluation of PC14586 in Patients With Advanced Solid Tumors Harboring a TP53 Y220C Mutation (PYNNACLE)

RecruitingPhase 1, Phase 2

Sponsor: PMV Pharmaceuticals, Inc

Conditions: Advanced Solid Tumor, Advanced Malignant Neoplasm, Metastatic Cancer, Metastatic Solid Tumor, Lung Cancer

Interventions: rezatapopt, pembrolizumab

Countries: United States, Australia, France, Germany, Italy, Singapore, South Korea, Spain

The Phase 2 monotherapy portion of this study is currently enrolling and will evaluate the efficacy and safety of PC14586 (INN rezatapopt) in participants with locally advanced or metastatic solid tumors harboring a TP53 Y220C mutation. The Phase 1 portion of the study will assess the safety, tolerability and preliminary efficacy of multiple dose levels of rezatapopt as monotherapy and in Phase 1b in combination with pembrolizumab.

Eligibility overview

Sex: ALL

Age: 12 Years to —

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria:

* At least 18 years of age or 12 to 17 years of age after Safety Review Committee approval.
* Locally advanced or metastatic solid malignancy with a TP53 Y220C mutation
* Eastern Cooperative Oncology Group (ECOG) status of 0 or 1
* Previously treated with one or more lines of anticancer therapy and progressive disease
* Adequate organ function
* Measurable disease per RECIST v1.1 (Phase 2)

Additional Criteria for Inclusion in Phase 1b (rezatapopt) + pembrolizumab combination)

* Anti-PD-1/PD-L1 naive or must have progressed on treatment
* Measurable disease

Exclusion Criteria:

* Anti-cancer therapy within 21 days (or 5 half-lives) of receiving the study drug
* Radiotherapy within 14 days of receiving the study drug
* Primary CNS tumor
* History of leptomeningeal disease or spinal cord compression
* Brain metastases, unless neurologically stable and do not require steroids to treat associated neurological symptoms
* Stroke or transient ischemic attack within 6 months prior to screening
* Heart conditions such as unstable angina within 6 months prior to screening, uncontrolled hypertension, a heart attack within 6 months prior to screening, congestive heart failure, prolongation of QT interval, or other rhythm abnormalities
* Strong CYP3A4 inducers and strong CYP2C9 inhibitors/inducers within 14 days of first dose of rezatapopt
* History of gastrointestinal (GI) disease that may interfere with absorption of study drug or patients unable to take oral medication
* History of prior organ transplant
* Known, active malignancy, except for treated cervical intraepithelial neoplasia, or non-melanoma skin cancer
* Known, active uncontrolled Hepatitis B, Hepatitis C, or human immunodeficiency virus infection

Additional Criteria for Exclusion from Phase 2 (rezatapopt monotherapy)

* Known KRAS mutation, defined as a single nucleotide variant (SNV) (Phase 2)

Additional Criteria for Exclusion from Phase 1b (rezatapopt) + pembrolizumab combination)

* Received prior therapy with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent or with an agent directed to another stimulatory or co-inhibitory T-cell receptor and discontinued from that treatment due to a Grade 3 or higher immune-related AE (irAE)
* Received a live or live-attenuated vaccine within 30 days prior to the first dose of study intervention
* Diagnosis of immunodeficiency or receiving chronic systemic steroid therapy within 7 days prior to the first dose of study drug
* Hypersensitivity (≥ Grade 3) to pembrolizumab and/or any of its excipients
* Active autoimmune disease that has required systemic treatment in past 2 years
* History of radiation pneumonitis
* History of (non-infectious) or active pneumonitis / interstitial lung disease that required steroids
* Active infection requiring systemic therapy
* Known history of HIV infection
* Has previously received rezatapopt

Locations (77)

Irvine, California, United States
La Jolla, California, United States
Los Angeles, California, United States
Los Angeles, California, United States
Denver, Colorado, United States
New Haven, Connecticut, United States
Newark, Delaware, United States
Miami, Florida, United States
Orlando, Florida, United States
Port Charlotte, Florida, United States
Boston, Massachusetts, United States
Boston, Massachusetts, United States
Detroit, Michigan, United States
Omaha, Nebraska, United States
New York, New York, United States
New York, New York, United States
Durham, North Carolina, United States
Cleveland, Ohio, United States
Oklahoma City, Oklahoma, United States
Portland, Oregon, United States
Philadelphia, Pennsylvania, United States
Pittsburgh, Pennsylvania, United States
York, Pennsylvania, United States
Charleston, South Carolina, United States
Nashville, Tennessee, United States
Austin, Texas, United States
Bedford, Texas, United States
Dallas, Texas, United States
Houston, Texas, United States
San Antonio, Texas, United States
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