VHL Syndrome Clinical Trial
Official title:
An Open-Label Phase 2 Study to Evaluate PT2977 for the Treatment of Von Hippel Lindau Disease-Associated Renal Cell Carcinoma
This study is designed to investigate belzutifan as a treatment for VHL disease associated RCC.
Status | Active, not recruiting |
Enrollment | 50 |
Est. completion date | March 29, 2026 |
Est. primary completion date | March 29, 2026 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Has a diagnosis of von Hippel Lindau disease, based on a germline VHL alteration - Has at least 1 measurable solid RCC tumor and no RCC tumor that requires immediate surgical intervention. The diagnosis of RCC can be radiologic (histologic diagnosis not required). Participants may have VHL disease-associated tumors in other organ systems Exclusion Criteria: - Has received prior treatment with belzutifan or another HIF-2a inhibitor - Has had any systemic anti-cancer therapy (includes anti-vascular endothelial growth factor [VEGF] therapy or any systemic investigational anti-cancer agent) - Has an immediate need for surgical intervention for tumor treatment - Has evidence of metastatic disease on screening imaging |
Country | Name | City | State |
---|---|---|---|
Denmark | Aarhus University Hospital | Aarhus | |
France | Hospital Georges Pompidou | Paris | |
United Kingdom | Cambridge University Hospital | Cambridge | |
United States | University of Michigan | Ann Arbor | Michigan |
United States | National Institutes of Health Clinical Center | Bethesda | Maryland |
United States | Massachusetts General Hospital | Boston | Massachusetts |
United States | MD Anderson Cancer Center | Houston | Texas |
United States | Vanderbilt Medical Center | Nashville | Tennessee |
United States | University of Pennsylvania Medical Center | Philadelphia | Pennsylvania |
United States | University of Pittsburgh Medical Center | Pittsburgh | Pennsylvania |
United States | Huntsman Cancer Institute | Salt Lake City | Utah |
Lead Sponsor | Collaborator |
---|---|
Peloton Therapeutics, Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) |
United States, Denmark, France, United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Objective Response Rate (ORR) in VHL Disease-Associated RCC Tumors | ORR is defined as the percentage of participants in the analysis population who have a best confirmed response of Complete Response (CR: Disappearance of all target lesions) or a Partial Response (PR: At least a 30% decrease in the sum of diameters of target lesions) per Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST 1.1). ORR will be assessed by independent review committee (ICR) for the primary analysis. | Up to approximately 4 years | |
Secondary | Duration of Response (DOR) in VHL Disease-Associated RCC Tumors | DOR is defined as the interval from the first documented evidence of a CR (disappearance of all target lesions) or a PR (at least a 30% decrease in the sum of diameters of target lesions) per RECIST 1.1 until Progressive Disease (PD) or death due to any cause, whichever occurs first, in participants demonstrating a best confirmed response of CR or PR. Per RECIST 1.1, PD is defined as at least a 20% increase in the sum of diameters of target lesions. In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions is also considered PD. | Up to approximately 4 years | |
Secondary | Time to Response (TTR) in VHL Disease-Associated RCC Tumors | TTR is defined as the interval from the start of study treatment to the first documentation of a response per RECIST 1.1, and calculated for participants with a best confirmed response of CR (disappearance of all target lesions) or PR (at least a 30% decrease in the sum of diameters of target lesions). | Up to approximately 4 years | |
Secondary | Progression-free Survival (PFS) in VHL Disease-Associated RCC Tumors | PFS is defined as the interval from the start of study treatment to the first documented PD or death from any cause, whichever occurs first. Per RECIST 1.1, PD is defined as at least a 20% increase in the sum of diameters of target lesions. In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions is also considered PD. | Up to approximately 4 years | |
Secondary | Time to Surgery (TTS) in VHL Disease-Associated RCC Tumors | TTS was defined as the interval from the start of study treatment to the date of surgery. | Up to approximately 4 years | |
Secondary | ORR in VHL Disease-Associated Non-RCC Tumors | ORR is defined as the percentage of participants in the analysis population who have a best confirmed response of CR (disappearance of all target lesions) or PR (at least a 30% decrease in the sum of diameters of target lesions) per RECIST 1.1. | Up to approximately 4 years | |
Secondary | DOR in VHL Disease-Associated Non-RCC Tumors | DOR is defined as the interval from the first documented evidence of a CR (disappearance of all target lesions) or a PR (at least a 30% decrease in the sum of diameters of target lesions) per RECIST 1.1 until PD or death due to any cause, whichever occurs first, in participants demonstrating a best confirmed response of CR or PR. Per RECIST 1.1, PD is defined as at least a 20% increase in the sum of diameters of target lesions. In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions is also considered PD. | Up to approximately 4 years | |
Secondary | TTR in VHL Disease-Associated Non-RCC Tumors | TTR is defined as the interval from the start of study treatment to the first documentation of a response per RECIST 1.1, and calculated for participants with a best confirmed response of CR (disappearance of all target lesions) or PR (at least a 30% decrease in the sum of diameters of target lesions). | Up to approximately 4 years | |
Secondary | PFS in VHL Disease-Associated Non-RCC Tumors | PFS is defined as the interval from the start of study treatment to the first documented PD or death from any cause, whichever occurs first. Per RECIST 1.1, PD is defined as at least a 20% increase in the sum of diameters of target lesions. In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions is also considered PD. | Up to approximately 4 years | |
Secondary | TTS in VHL Disease-Associated Non-RCC Tumors | TTS was defined as the interval from the start of study treatment to the date of surgery. | Up to approximately 4 years | |
Secondary | Number of Participants Experiencing an Adverse Event (AE) | An AE is any untoward medical occurrence in a participant regardless of its causal relationship to study treatment. An AE can be any unfavorable and unintended sign (including any clinically significant abnormal laboratory test result), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered to be study drug related. | Up to approximately 4 years | |
Secondary | Number of Participants Experiencing a Serious Adverse Event (SAE) | An SAE is any AE occurring at any dose and regardless of causality that meets any of the following criteria: results in death, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent or significant incapacity or substantial disruption of the ability to conduct normal life functions, is a congenital anomaly or birth defect in an offspring of a participant taking study drug, or is an important medical event. | Up to approximately 4 years | |
Secondary | Belzutifan Plasma Concentration | Blood samples for the determination of belzutifan concentration will be collected at pre-specified timepoints before and after treatment administration. | Weeks 1 and 3: pre-dose, 2 and 5 hours post-dose, Week 5, 9, and 13: post-dose. | |
Secondary | Belzutifan Metabolite Plasma Concentration | Blood samples for the determination of belzutifan metabolite concentration will be collected at pre-specified timepoints before and after treatment administration. | Weeks 1 and 3: pre-dose, 2 and 5 hours post-dose, Week 5, 9, and 13: post-dose. |
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