Advanced Urothelial Carcinoma Clinical Trial
Official title:
A Phase 1, First-in-Human, Dose-Escalation and Expansion Study of FX-909 in Patients With Advanced Solid Malignancies, Including Advanced Urothelial Carcinoma
The goal of this clinical trial is to study the safety and tolerability in all advanced solid tumors, including advanced urothelial carcinoma. The main question[s] it aims to answer are: - Is FX-909 safe and tolerable - What is the right dose level for patients Participants will be asked to take FX-909 daily , in tablet form and record any outcomes from taking the drug. Participants will also be asked to return for multiple site visits for various blood tests and to collect blood and tumor samples as well as have regular CT/MRI scans
Status | Recruiting |
Enrollment | 75 |
Est. completion date | January 30, 2027 |
Est. primary completion date | September 30, 2026 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | 1. Able to understand and willing to sign an informed consent. 2. Age = 18 years 3. Eastern Cooperative Oncology Group (ECOG) performance status 0, 1, or 2 4. Part A (Dose Escalation): Histologically or cytologically diagnosed, locally advanced (unresectable) or metastatic solid malignancies that have progressed after all available standard therapy for the specific tumor type, or for which no standard therapy exists. Patients for whom standard therapies are intolerable or considered inappropriate by the Investigator are eligible. Part B (Expansion): Histologically or cytologically diagnosed, locally advanced (unresectable) or metastatic urothelial carcinoma with defined genetic alterations. Patients in Part B must have progressed after all available standard therapy (eg, anti- programmed cell death (ligand) 1 [PD(L)1], antibody-drug conjugate[s], and platinum-based doublet chemotherapy), been unable to tolerate standard therapy, or be considered inappropriate for standard therapy by the Investigator. 5. Part A (Dose Escalation): Patients with or without measurable disease (as defined by RECIST version 1.1) will be eligible for enrollment. Part B (Expansion): Patients must have measurable disease per RECIST version 1.1 with = 1 site of measurable disease that has not been previously irradiated or has progressed after radiation therapy. 6. An archival, paraffin-embedded, formalin-fixed, tumor sample (see Laboratory Manual for details) that is no more than 30 months old at the time of screening. If an archival tumor sample is not available or is older than 30 months, then the patient must consent to provide a fresh biopsy during screening. 7. Screening laboratory values meet the criteria outlined in the protocol. Hematologic criteria may be met with transfusion of blood products or administration of G-CSF, provided they are not given within 7 days of C1D1. Exclusion Criteria: 1. Female patients who are pregnant (confirmed with a positive pregnancy test) or breastfeeding. 2. Prior anticancer chemotherapy or small molecule targeted therapy, either investigational or commercially approved and available, within 2 weeks or 5 half-lives (whichever is shorter) prior to the start of study drug administration. When the most recent therapy was a biological therapy (including antibody-drug conjugates), an immune-checkpoint inhibitor (eg, anti-PD(L)1 or anti-CTLA4), or immune agonist, patients should wait 4 weeks before starting therapy with FX-909. 3. Prior therapy directly inhibiting PPARG or RXRA. 4. Adverse events from prior therapy that have not returned to baseline or stabilized at Grade 1 (except alopecia, hearing loss, vitiligo, endocrinopathy managed with replacement therapy, and Grade = 2 neuropathy) prior to study drug administration. 5. Prior major surgery (excluding placement of vascular access) within 4 weeks before study drug administration. 6. Prior radiation therapy with an inadequate washout between the last dose and the start of study drug, defined as follows: 1) at least 2 weeks for palliative radiation to the extremities for osseous bone metastases is required; and 2) at least 4 weeks for radiation to non-extremity sites is required. 7. History of another malignancy in the previous 2 years, unless cured by surgery alone and continuously disease free. Exceptions include appropriately treated carcinoma in situ of the cervix, non-melanoma skin carcinoma, melanoma in situ status-post full-thickness resection without recurrence, Stage 1 uterine cancer, localized prostate cancer that has been treated surgically with curative intent and presumed cured, or other malignancies with an expected curative outcome. 8. QT Interval Corrected Using Fridericia's Formula (QTcF) > 470 msec in screening, congenital long QT syndrome, family history of long QT syndrome, or unexplained sudden death under 40 years of age in first degree relatives. 9. Known active diagnosis of lipodystrophy/lipoatrophy, or an ongoing need to receive medications known to cause lipodystrophy/lipoatrophy 10. Any active uncontrolled systemic bacterial, viral, or fungal infection requiring treatment. 11. Known history of human immunodeficiency virus (HIV) seropositivity. Those who have no detectable viral load on highly active antiretroviral therapy (HAART) are permitted. 12. Patients with chronic hepatitis B virus (HBV) infection (indicated by a positive HBV surface antigen and/or hepatitis B core antibody). Patietns are permitted with either universal prophylaxis or a pre-emptive treatment approach consistent with regional or national guidelines for patients who receive anticancer therapies. 13. Active hepatitis C virus (HCV) infection. Those who have completed curative therapy for HCV and have no detectable viral load are permitted. 14. Prior diagnosis of chronic or recurrent (> 1 episode) pancreatitis at any time or a diagnosis of acute pancreatitis within the 6 months prior to screening 15. Significant impairment of lung function indicated by resting oxygen saturations below 92% on room air or requiring chronic use of ambulatory supplemental oxygen. 16. Uncontrolled or symptomatic central nervous system (CNS) metastases, leptomeningeal disease, or carcinomatous meningitis. Asymptomatic brain metastasis is allowed if they have been stable after appropriate radiotherapy for 1 month. 17. Need for treatment with high doses of oral or intravenous steroids (> 10 mg/day prednisone or equivalent). Physiologic doses of corticosteroids for treatment of endocrinopathies may be continued if the patient is on a stable dose for at least 1 month. 18. Need or anticipated need for treatment with a prohibited therapy described in the protocol during the treatment phase of this study 19. Concurrent participation in any other investigational therapeutic study 20. History of any of the following cardiovascular diseases: - Recent history (within the 6 months prior to screening) of serious uncontrolled cardiac arrhythmia (including atrial fibrillation without adequate rate control) or clinically significant ECG abnormalities including second-degree (Type II) or third-degree atrioventricular node block - Documented cerebrovascular event (stroke or transient ischemic attack), cardiomyopathy, myocardial infarction, acute coronary syndromes (including unstable angina pectoris), coronary angioplasty, stenting, or bypass grafting within the 6 months prior to enrollment - Congestive heart failure (Class III or IV) as defined by the New York Heart Association functional classification system - Recent history (within the past 6 months) of symptomatic pericarditis 21. Thromboembolic events and/or bleeding disorders = 28 days (eg, deep vein thrombosis or pulmonary embolism) prior to the first dose of study drug 22. Any evidence of severe or uncontrolled systemic diseases, including uncontrolled hypertension and active bleeding diatheses, which, in the Investigator's opinion, makes it undesirable for the patient to participate in the study or would jeopardize compliance with the protocol. 23. Patients with type 1 diabetes mellitus, or type 2 diabetes mellitus that is not adequately controlled with diet, exercise, or oral hypoglycemic agents and/or injectable agents other than insulin (as defined by HbA1c and fasting plasma glucose criteria in Table 6. Patients taking insulin are excluded from the study. Medication for type 2 diabetes mellitus should have remained stable for the past 14 days prior to screening). 24. Known hypersensitivity to FX-909 or any of its excipients (see Table 7 for the list of excipients) 25. Patients with gastrointestinal disorders that may interfere with the ability to swallow tablets or absorb study medication 26. Patient is or has an immediate family member (eg, spouse, parent/legal guardian, sibling, or child) who is a member of the study site or Sponsor staff directly involved with this study, unless prospective Institutional Review Board (IRB) or Ethics Committee (EC) approval (by chair or designee) is given allowing exception to this criterion for a specific patient. 27. Patients with any psychological, familial, sociological, or geographical condition potentially hampering compliance with the study protocol and follow-up schedule; those conditions should be discussed with the patient before study entry. 28. Any condition that, in the opinion of the Investigator, would interfere with evaluation of the investigational product or interpretation of the patient's safety or study results. |
Country | Name | City | State |
---|---|---|---|
United States | Dana Farber Cancer Institute | Boston | Massachusetts |
United States | Mass General Cancer Center | Boston | Massachusetts |
United States | UNC Lineberger Comprehensive Cancer Center | Chapel Hill | North Carolina |
United States | The Cleveland Clinic Foundation | Cleveland | Ohio |
United States | Sarah Cannon Research Institute | Nashville | Tennessee |
United States | Yale Cancer Center | New Haven | Connecticut |
United States | Icahn School of Medicine at Mount Sinai | New York | New York |
United States | Memorial Slone Kettering Cancer Center | New York | New York |
United States | New Experimental Therapeutics of San Antonio (NEXT) | San Antonio | Texas |
United States | South Texas Accelerated Research Therapeutics (START) | San Antonio | Texas |
United States | HonorHealth | Scottsdale | Arizona |
Lead Sponsor | Collaborator |
---|---|
Flare Therapeutics Inc. |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | To assess dose-limiting toxicities, the incidence and severity of adverse events and serious adverse events associated with FX-909 (Safety and Tolerability) | Incidence of dose-limiting toxicities (DLTs); Incidence and severity of adverse events (AEs) and serious adverse events (SAEs) | through study completion, an average of 3 years | |
Secondary | To define the preliminary recommended phase 2 dose of FX-909, and/or maximum tolerated dose (MTD) | Assess patients' safety measures (AEs/SAEs) in comparison with patients' objective response rates | through study completion, an average of 3 years | |
Secondary | To characterize the pharmacokinetic profile of FX-909 in patients with advanced solid malignancies | Plasma pharmacokinetic parameters of FX-909 via AUC | through study completion, an average of 3 years | |
Secondary | To characterize the pharmacokinetic profile of FX 909 in patients with advanced solid malignancies | Plasma pharmacokinetic parameters of FX-909, via Cmax | through study completion, an average of 3 years | |
Secondary | To characterize the pharmacokinetic profile of FX 909 in patients with advanced solid malignancies | Plasma pharmacokinetic parameters of FX-909, via Tmax | through study completion, an average of 3 years | |
Secondary | To characterize the pharmacokinetic profile of FX 909 in patients with advanced solid malignancies | Plasma pharmacokinetic parameters of FX-909 via T½ | through study completion, an average of 3 years | |
Secondary | To characterize the pharmacokinetic profile of FX 909 in patients with advanced solid malignancies | Plasma pharmacokinetic parameters of FX-909 via renal clearance in urine | through study completion, an average of 3 years | |
Secondary | To characterize the pharmacokinetic profile of FX 909 in patients with advanced solid malignancies | Plasma pharmacokinetic parameters of FX-909 via percentage of FX-909 in urine | through study completion, an average of 3 years | |
Secondary | To evaluate preliminary antitumor activity of FX 909 in patients with advanced solid malignancies | Objective response rate (ORR) | through study completion, an average of 3 years | |
Secondary | To evaluate preliminary antitumor activity of FX 909 in patients with advanced solid malignancies | Duration of Response (DoR) | through study completion, an average of 3 years | |
Secondary | To evaluate preliminary antitumor activity of FX 909 in patients with advanced solid malignancies | Time to response | through study completion, an average of 3 years | |
Secondary | To evaluate preliminary antitumor activity of FX 909 in patients with advanced solid malignancies | Disease Control Rate (DCR) | through study completion, an average of 3 years | |
Secondary | To evaluate preliminary antitumor activity of FX 909 in patients with advanced solid malignancies | Progression-Free Survival (PFS) based on Investigator assessment using Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 criteria | through study completion, an average of 3 years | |
Secondary | To evaluate preliminary antitumor activity of FX 909 in patients with advanced solid malignancies | Overall survival (OS) | through study completion, an average of 3 years |
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