Description:
This study is designed to investigate belzutifan as a treatment for VHL disease associated
RCC.
Title
- Brief Title: A Phase 2 Study of Belzutifan (PT2977, MK-6482) for the Treatment of Von Hippel Lindau (VHL) Disease-Associated Renal Cell Carcinoma (RCC) (MK-6482-004)
- Official Title: An Open-Label Phase 2 Study to Evaluate PT2977 for the Treatment of Von Hippel Lindau Disease-Associated Renal Cell Carcinoma
Clinical Trial IDs
- ORG STUDY ID:
6482-004
- SECONDARY ID:
PT2977-202
- SECONDARY ID:
2018-000125-30
- SECONDARY ID:
MK-6482-004
- NCT ID:
NCT03401788
Conditions
- VHL - Von Hippel-Lindau Syndrome
- VHL Gene Mutation
- VHL Syndrome
- VHL Gene Inactivation
- VHL-Associated Renal Cell Carcinoma
- VHL-Associated Clear Cell Renal Cell Carcinoma
Interventions
| Drug | Synonyms | Arms |
|---|
| Belzutifan | PT2977 | Open Label Belzutifan |
Purpose
This study is designed to investigate belzutifan as a treatment for VHL disease associated
RCC.
Detailed Description
This open-label Phase 2 study will evaluate the efficacy and safety of belzutifan in
participants with VHL disease who have at least 1 measurable RCC tumor. Belzutifan will be
administered orally and treatment will be continuous. Participants will be evaluated
radiologically approximately 12 weeks after initiation of treatment and every 12 weeks
thereafter while continuing in the study. Changes in VHL disease-associated non-RCC tumors
will also be evaluated.
Trial Arms
| Name | Type | Description | Interventions |
|---|
| Open Label Belzutifan | Experimental | Participants receive 120 mg belzutifan orally once daily. Participants may continue to receive belzutifan in the absence of unacceptable treatment related toxicity or unequivocal disease progression. | |
Eligibility Criteria
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-2α 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
| Maximum Eligible Age: | N/A |
| Minimum Eligible Age: | 18 Years |
| Eligible Gender: | All |
| Healthy Volunteers: | No |
Primary Outcome Measures
| Measure: | Objective Response Rate (ORR) in VHL Disease-Associated RCC Tumors |
| Time Frame: | Up to approximately 4 years |
| Safety Issue: | |
| Description: | 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. |
Secondary Outcome Measures
| Measure: | Duration of Response (DOR) in VHL Disease-Associated RCC Tumors |
| Time Frame: | Up to approximately 4 years |
| Safety Issue: | |
| Description: | 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. |
| Measure: | Time to Response (TTR) in VHL Disease-Associated RCC Tumors |
| Time Frame: | Up to approximately 4 years |
| Safety Issue: | |
| Description: | 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). |
| Measure: | Progression-free Survival (PFS) in VHL Disease-Associated RCC Tumors |
| Time Frame: | Up to approximately 4 years |
| Safety Issue: | |
| Description: | 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. |
| Measure: | Time to Surgery (TTS) in VHL Disease-Associated RCC Tumors |
| Time Frame: | Up to approximately 4 years |
| Safety Issue: | |
| Description: | TTS was defined as the interval from the start of study treatment to the date of surgery. |
| Measure: | ORR in VHL Disease-Associated Non-RCC Tumors |
| Time Frame: | Up to approximately 4 years |
| Safety Issue: | |
| Description: | 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. |
| Measure: | DOR in VHL Disease-Associated Non-RCC Tumors |
| Time Frame: | Up to approximately 4 years |
| Safety Issue: | |
| Description: | 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. |
| Measure: | TTR in VHL Disease-Associated Non-RCC Tumors |
| Time Frame: | Up to approximately 4 years |
| Safety Issue: | |
| Description: | 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). |
| Measure: | PFS in VHL Disease-Associated Non-RCC Tumors |
| Time Frame: | Up to approximately 4 years |
| Safety Issue: | |
| Description: | 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. |
| Measure: | TTS in VHL Disease-Associated Non-RCC Tumors |
| Time Frame: | Up to approximately 4 years |
| Safety Issue: | |
| Description: | TTS was defined as the interval from the start of study treatment to the date of surgery. |
| Measure: | Number of Participants Experiencing an Adverse Event (AE) |
| Time Frame: | Up to approximately 4 years |
| Safety Issue: | |
| Description: | 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. |
| Measure: | Number of Participants Experiencing a Serious Adverse Event (SAE) |
| Time Frame: | Up to approximately 4 years |
| Safety Issue: | |
| Description: | 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. |
| Measure: | Belzutifan Plasma Concentration |
| Time Frame: | Weeks 1 and 3: pre-dose, 2 and 5 hours post-dose, Week 5, 9, and 13: post-dose. |
| Safety Issue: | |
| Description: | Blood samples for the determination of belzutifan concentration will be collected at pre-specified timepoints before and after treatment administration. |
| Measure: | Belzutifan Metabolite Plasma Concentration |
| Time Frame: | Weeks 1 and 3: pre-dose, 2 and 5 hours post-dose, Week 5, 9, and 13: post-dose. |
| Safety Issue: | |
| Description: | Blood samples for the determination of belzutifan metabolite concentration will be collected at pre-specified timepoints before and after treatment administration. |
Details
| Phase: | Phase 2 |
| Primary Purpose: | Interventional |
| Overall Status: | Active, not recruiting |
| Lead Sponsor: | Peloton Therapeutics, Inc. |
Trial Keywords
Last Updated
August 23, 2021
