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New treatment option for Breast Cancer
Official title First-in-Human Study of Tersolisib (STX-478) as Monotherapy and in Combination With Other Antineoplastic Agents in Participants With Advanced Solid Tumors
ClinicalTrials.gov ID: NCT05768139
What this study is testing
What is STX-478?
STX-478 is an investigational medicine, being studied as a potential treatment for breast cancer.
Also referred to as LY4064809, Tersolisib.
Plain-language explanation of the investigational treatment - it is being studied and is not an approved or proven therapy. The study team can confirm the details.
- What it's testing
- Study STX-478-101 (LY4064809) is a multipart, open-label, phase 1/2 study evaluating the safety, tolerability, pharmacokinetics (PK), and preliminary antitumor activity of STX-478 (LY4064809) in participants with advanced solid tumors with P13Ka mutations. Part 1 will evaluate STX-478 as monotherapy in participants with advanced solid tumors.
- Phase 2: a mid-size study of how well it works
A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.
Who can take part
Ages 18 and older
You may be able to join if
- Has an advanced or refractory solid tumor malignancy that is metastatic or locally advanced and unresectable (as specified by Cohort)
- Has a new or recent tumor biopsy (collected at screening, if feasible) or will provide an adequate tissue sample prior to screening
- Has a tumor that harbors a documented PI3Kα mutation (cohort specific criterion for cohort-specific mutation types)
- Is ≥18 years of age at the time of signing the ICF
- Has an ECOG performance status score of 0 or 1 at screening
You likely can't join if
- Has history (within ≤2 years before screening) of a solid tumor or hematological malignancy that is histologically distinct from the cancers being...
- Has symptomatic brain or spinal metastases
- Has an established diagnosis of uncontrolled diabetes mellitus (defined as HbA1c ≥8% and/or FBG ≥140 mg/dL [7.7 mmol/L] and/or requiring or required...
- Has had prior treatment with PI3K/AKT/mTOR inhibitor(s), except in certain circumstances
- Has had treatment with any local or systemic antineoplastic therapy or investigational anticancer agent within 14 days or 4 half-lives, whichever is...
- Has toxicities from previous anticancer therapies that have not resolved to baseline levels or CTCAE grade ≤1, with the exception of alopecia and...
See the full eligibility criteria
- Has an advanced or refractory solid tumor malignancy that is metastatic or locally advanced and unresectable (as specified by Cohort)
- Has a new or recent tumor biopsy (collected at screening, if feasible) or will provide an adequate tissue sample prior to screening
- Has a tumor that harbors a documented PI3Kα mutation (cohort specific criterion for cohort-specific mutation types)
- Is ≥18 years of age at the time of signing the ICF
- Has an ECOG performance status score of 0 or 1 at screening
- Has adequate organ function as defined per protocol Key
- Has history (within ≤2 years before screening) of a solid tumor or hematological malignancy that is histologically distinct from the cancers being studied
- Has symptomatic brain or spinal metastases
- Has an established diagnosis of uncontrolled diabetes mellitus (defined as HbA1c ≥8% and/or FBG ≥140 mg/dL [7.7 mmol/L] and/or requiring or required insulin).
- Has had prior treatment with PI3K/AKT/mTOR inhibitor(s), except in certain circumstances
- Has had treatment with any local or systemic antineoplastic therapy or investigational anticancer agent within 14 days or 4 half-lives, whichever is longer, prior to the initiation of study treatment up to a maximum...
- Has toxicities from previous anticancer therapies that have not resolved to baseline levels or CTCAE grade ≤1, with the exception of alopecia and peripheral neuropathy.
- Has had radiotherapy within 14 days before the initiation of study treatment
The study team makes the final eligibility decision.
Where it's taking place
- Los Angeles, California, United States
- San Francisco, California, United States
- Aurora, Colorado, United States
- New Haven, Connecticut, United States
- Lake Mary, Florida, United States
- Tampa, Florida, United States
- Atlanta, Georgia, United States
- Iowa City, Iowa, United States
- New Orleans, Louisiana, United States
- Boston, Massachusetts, United States
- Detroit, Michigan, United States
- Grand Rapids, Michigan, United States
- Kansas City, Missouri, United States
- St Louis, Missouri, United States
- New York, New York, United States
- Cleveland, Ohio, United States
- Columbus, Ohio, United States
- Portland, Oregon, United States
- Germantown, Tennessee, United States
- Nashville, Tennessee, United States
+ 35 more site(s).
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18 years and older. The study team makes the final eligibility decision.
Where is this trial taking place?
Study sites include Los Angeles, California, United States; San Francisco, California, United States; Aurora, Colorado, United States; New Haven, Connecticut, United States; Lake Mary, Florida, United States; Tampa, Florida, United States and 49 more location(s). Enter your location above to see the nearest site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from ClinicalTrials.gov; the study team decides eligibility.