[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"her2--negative-breast-cancer\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:her2--negative-breast-cancer":30},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,2,0,[8,48],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":22,"briefSummary":24,"conditions":25,"keywords":4,"overallStatus":35,"whyStopped":4,"lastUpdateSubmitDate":36,"lastUpdatePostDateStruct":37,"startDateStruct":40,"completionDateStruct":42,"leadSponsor":44,"locationsCount":47},"100633256","phase-1-study-of-rgt-490-in-patients-with-pik3ca-mutated-advanced-solid-tumors-100633256",false,"NCT07524322","Study of RGT-490 in Patients With PIK3CA-Mutated Advanced Solid Tumors","A Phase 1\u002F1b Open-Label, Multicenter, First-in-Human Study Evaluating Safety, Tolerability, Pharmacokinetics, and Antitumor Activity of RGT-490 as a Single Agent in Adult Subjects With Locally Advanced or Metastatic PIK3CA-Mutated Solid Tumors Including HR+\u002FHER2- Breast Cancers","Inclusion Criteria:\n\n* Adults with metastatic or locally advanced, unresectable solid tumors that have progressed on or after at least one available therapy.\n* Presence of one or more documented activating PIK3CA mutation in tumor tissue and\u002For blood.\n* At least 1 measurable lesion or evaluable disease per RECIST v1.1.\n* An ECOG performance status of 0 or 1.\n* Adequate organ function\n\nExclusion Criteria:\n\n* Diabetes mellitus requiring anti-hyperglycemic medication.\n* Prior treatment with PI3Kα inhibitors\n* Symptomatic, untreated, or uncontrolled central nervous system metastases.\n* Receipt of any local or systemic anticancer therapy or investigational anticancer agent within a protocol-defined washout period prior to study treatment.\n* Unresolved clinically significant toxicities from prior anticancer therapy\n* History of a another malignancy within 2 years prior to screening (exception adequately treated cancers).","ALL","18 Years",{"count":19,"type":20},63,"ESTIMATED","INTERVENTIONAL",[23],"PHASE1","This is a phase 1\u002F1b, open-label, multicenter study consisting of sequential parts designed to evaluate the safety, tolerability, and effects pharmacokinetic (PK) profile, and antitumor activity of RGT-490, an investigational oral therapy, in adults with locally advanced or metastatic solid tumors including breast cancer.\n\nParticipants enrolled in the study have advanced disease that is not amendable to curative treatment and whose tumors harbor alterations in the PI3KCA gene.",[26,27,28,29,30,31,32,33,34],"Breast Cancer","Ovarian Cancer","Endometrial Cancer","PIK3CA Mutation","HER2- Negative Breast Cancer","Advanced Breast Cancer","Unresectable Solid Tumor","Hormone Receptor Positive Tumor","Cervical Cancer","RECRUITING","2026-06-30",{"date":38,"type":39},"2026-07-02","ACTUAL",{"date":41,"type":20},"2026-06",{"date":43,"type":20},"2028-10",{"name":45,"class":46},"Regor Pharmaceuticals Inc.","INDUSTRY",5,{"id":49,"slug":50,"hasResults":11,"nctId":51,"briefTitle":52,"officialTitle":53,"acronym":54,"eligibilityCriteria":55,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":56,"targetDuration":4,"studyType":21,"phases":58,"briefSummary":60,"conditions":61,"keywords":4,"overallStatus":35,"whyStopped":4,"lastUpdateSubmitDate":63,"lastUpdatePostDateStruct":64,"startDateStruct":66,"completionDateStruct":68,"leadSponsor":70,"locationsCount":72},"100591599","phase-3-phase-3-study-of-rly-2608--fulvestrant-vs-capivasertib--fulvestrant-as-treatment-for-locally-advanced-or-metastatic-pik3ca-mutant-hrher2--breast-cancer-100591599","NCT06982521","Phase 3 Study of RLY-2608 + Fulvestrant vs Capivasertib + Fulvestrant as Treatment for Locally Advanced or Metastatic PIK3CA-mutant HR+\u002FHER2- Breast Cancer","A Phase 3 Open-Label Randomized Study Assessing the Efficacy and Safety of RLY-2608 + Fulvestrant Versus Capivasertib + Fulvestrant as Treatment for PIK3CA-mutant Hormone Receptor Positive, Human Epidermal Growth Factor Receptor 2 Negative (HR+\u002FHER2-) Locally Advanced or Metastatic Breast Cancer Following Recurrence or Progression On or After Treatment With a CDK4\u002F6 Inhibitor","ReDiscover-2","Inclusion Criteria:\n\n* Patient has ECOG performance status of 0-1\n* One or more known primary oncogenic PIK3CA mutation(s)\n* Adult females, pre- and\u002For post-menopausal, and adult males. Pre-menopausal (and peri-menopausal) women can be enrolled if amenable to treatment with a gonadotropin-releasing hormone (GnRH) agonist. Patients are to have commenced treatment with a GnRH agonist at least 4 weeks prior to randomization and must be willing to continue on it for the duration of the study.\n* Histologically or cytologically confirmed diagnosis of HR+\u002FHER2- locally advanced or metastatic breast cancer (ABC) with radiological or objective evidence of recurrence or progression; locally advanced disease must not be amenable to resection with curative intent\n* Measurable disease per RECIST v1.1 or evaluable bone-only disease.\n* Must have radiological evidence of progression on or after previous treatment for HR+\u002FHER2- ABC with:\n\n  1. At least 1 and no more than 2 lines of endocrine therapy (ET) in the (neo)adjuvant setting with recurrence on or within 12 months of completion or in the ABC setting\n  2. 1 prior line of CDK4\u002F6 inhibitor therapy in one of the following settings:\n\n     1. CDK4\u002F6 inhibitor + ET in the ABC setting\n     2. CDK4\u002F6 inhibitor therapy in the adjuvant setting if progression occurred during or within 12 months of completion of adjuvant CDK4\u002F6 inhibitor with ET\n     3. Patients who progressed during or within 12 months of completion of adjuvant CDK4\u002F6 inhibitor and after receiving CDK4\u002F6 inhibitor therapy in the advanced setting are considered to have had \\>1 prior line of CDK4\u002F6 inhibitor and are not eligible\n\nExclusion Criteria:\n\n* Prior treatment with any of the following:\n\n  1. CDK2 or selective CDK4 inhibitors or any investigational therapies targeting cyclin dependent kinases\n  2. PIK3, AKT, or mTOR inhibitors or any agent whose mechanism of action is the inhibit the PIK3\u002FAKT\u002FmTOR pathway\n  3. Immunotherapy\n  4. Antibody drug conjugates\n* Type 1 diabetes, or Type 2 diabetes requiring antihyperglycemic medication, or fasting plasma glucose ≥ 140 mg\u002FdL, or glycosylated hemoglobin (HbA1c) ≥7.0% (≥ 53 mmol\u002Fmol).\n* Clinically significant, uncontrolled cardiovascular disease\n* Any factors that increase the risk of QTc prolongation or risk of arrhythmic events\n* Known active uncontrolled or symptomatic CNS metastases associated with progressive neurological symptoms or requiring ongoing corticosteroids or anticonvulsants for symptomatic control\n* Past medical history of interstitial lung disease, drug-induced interstitial lung disease, radiation pneumonitis which required steroid treatment, or any evidence of clinically active interstitial lung disease\n* History of hypersensitivity to fulvestrant or drugs in a similar class as fulvestrant, RLY-2608, or capivasertib, including their excipients\n* Known activating AKT mutations, loss-of-function PTEN mutations, or loss of PTEN expression resulting in oncogenic pathway activation downstream of PI3K",{"count":57,"type":20},540,[59],"PHASE3","This is a global, multicenter, open-label, randomized Phase 3 study comparing the efficacy and safety of RLY-2608 + fulvestrant to capivasertib + fulvestrant for the treatment of patients with HR+\u002FHER2- ABC with PIK3CA mutation following recurrence or progression on or after treatment with a CDK4\u002F6 inhibitor.",[29,30,33,26,62,31],"Metastatic Breast Cancer","2026-06-10",{"date":65,"type":39},"2026-06-11",{"date":67,"type":39},"2025-08-26",{"date":69,"type":20},"2031-12-31",{"name":71,"class":46},"Relay Therapeutics, Inc.",192]