Phase II Trial of Vemurafenib and Sorafenib in Pancreatic Cancer
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|ClinicalTrials.gov Identifier: NCT05068752|
Recruitment Status : Recruiting
First Posted : October 6, 2021
Last Update Posted : November 3, 2021
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|Condition or disease||Intervention/treatment||Phase|
|Pancreas Cancer||Drug: Vemurafenib Drug: Sorafenib||Phase 2|
|Study Type :||Interventional (Clinical Trial)|
|Estimated Enrollment :||12 participants|
|Intervention Model:||Single Group Assignment|
|Masking:||None (Open Label)|
|Official Title:||A Phase II Trial of Vemurafenib in Combination With Sorafenib to Treat Patients With Advanced KRAS G12D Mutated Pancreatic Cancer: Targeting RAF Dimers to Suppress Oncogenic RAS Signaling (The Dr. Nate Nieto Study)|
|Actual Study Start Date :||October 28, 2021|
|Estimated Primary Completion Date :||September 30, 2022|
|Estimated Study Completion Date :||September 30, 2023|
|Experimental: Vemurafenib in Combination with Sorafenib||
Vemurafenib 720 mg PO BID daily given with Sorafenib 400 mg PO AM and 200 mg PO PM
Sorafenib 400 mg PO AM and 200 mg PO PM Vemurafenib 720 mg PO BID daily
- Disease Control Rate of Vemurafenib in Combination with Sorafenib [ Time Frame: initiation of study treatment until 16 weeks ]To determine the efficacy by the disease control rate (Complete response plus Partial Response plus Stable Disease at 16 weeks) of Vemurafenib in Combination with Sorafenib in patients with KRAS G12D mutated pancreatic cancer.
- Confirm the Incidences of Adverse Events of Vemurafenib in Combination with Sorafenib [ Time Frame: initiation of study treatment up to 30 days post treatment ]To confirm the incidence of adverse events of Vemurafenib in Combination with Sorafenib in patients with KRAS G12D mutated pancreatic cancer
- Clinical Activity of Vemurafenib in Combination with Sorafenib [ Time Frame: initiation of study treatment up to study completion, up to 2 years ]To determine the progression free survival of Vemurafenib + Sorafenib in patients with KRAS G12D mutated pancreatic cancer. Progression free survival is defined as first dose treated until the date of progression
- Measure circulating ctDNA [ Time Frame: initiation of study treatment up to study completion, up to 2 years ]To utilize circulating tumor DNA (ct DNA) in plasma to give qualitative (mutations) and to some extent quantitative (amount of ct DNA) information regarding BRAF and KRAS
- Measure phospho ERK and phospho AKT in plasma [ Time Frame: initiation of study treatment up to study completion, up to 2 years ]To measure the changes in plasma free DNA in regards to mutated KRAS, phospho ERK and phospho AKT
- Clinical Activity of Vemurafenib in Combination with Sorafenib [ Time Frame: initiation of study treatment up to study completion, up to 2 years ]To determine the overall survival of Vemurafenib + Sorafenib in patients with KRAS G12D mutated pancreatic cancer. Overall survival is defined as first dose treated until the date of death.
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|Ages Eligible for Study:||18 Years to 100 Years (Adult, Older Adult)|
|Sexes Eligible for Study:||All|
|Accepts Healthy Volunteers:||No|
- Be able to understand and be willing to sign the written informed consent for the trial. A signed informed consent form must be appropriately obtained prior to the conduct of any trial-specific procedure.
- Be ≥ 18 years of age on day of signing informed consent.
- Histologically confirmed cancer of the pancreas (KRAS G12D mutated) with metastases and progression on at least ≥ 2 prior treatment regimens for their disease.
- Known mutation status of KRAS and BRAF kinases. For those patients in which this has not previously been determined, the patient must have an archival tumor specimen (primary or metastatic site) available to submit to confirm KRAS and BRAF status.
- Have a performance status of 0 or 1 on the ECOG performance scale.
- Demonstrate adequate organ function
- Female participants of childbearing potential must have a negative serum pregnancy test performed within 24 hours prior to receiving first dose of trial medication. Post-menopausal women (defined as no menses for at least 1 year) and surgically sterilized women are not required to undergo a pregnancy test.
A female participant is eligible to participate if she is not pregnant, not breastfeeding, and at least one of the following conditions applies:
- Not a woman of childbearing potential (WOCBP) OR
- A WOCBP who agrees to follow the contraceptive guidance during the treatment period and for at least 30 days after the last dose of trial treatment.
- Male participants must agree to use contraception during the treatment period and for at least 30 days after the last dose of trial treatment and refrain from donating sperm during this period.
- Patient must have QTC of ≤500ms.
- Subject must be able to swallow and retain oral medication
- Is currently participating and receiving trial therapy or has participated in a trial of an investigational agent and received trial therapy or used an investigational device within 2 weeks of the first dose of this trials' treatment.
- Has had prior chemotherapy, targeted small molecule therapy, or radiation therapy within 2 weeks prior to Cycle 1/Day 1 or who has not recovered (i.e. NCI-CTC AE Version 5.0 ≤ Grade 1 at the time of signing informed consent) from adverse events due to a previously administered agent(s).
- Previous BRAF inhibitor use such as vemurafenib, GSK2118436 or sorafenib.
- If patient received major surgery, and has not yet recovered adequately from the toxicity and/or complications from the intervention prior to starting therapy.
- Previously untreated or concurrent cancer that is distinct in primary site or histology from breast cancer except cervical cancer in-situ, treated basal cell carcinoma, or superficial bladder tumor. Subjects surviving a cancer that was curatively treated and without evidence of disease for more than 3 years before study entry. All cancer treatments must be completed at least 3 years prior to study entry (i.e., signature date of the informed consent form).
- Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis. Patients with previously treated brain metastases may participate provided they are stable (without evidence of progression by imaging for at least four weeks prior to the first dose of trial treatment and any neurologic symptoms have returned to baseline), have no evidence of new or enlarging brain metastases, and are not using steroids for at least 7 days prior to trial treatment. This exception does not include carcinomatous meningitis, which is excluded regardless of clinical stability.
- Uncontrolled hypertension (systolic pressure >140 mm Hg or diastolic pressure > 90 mm Hg [NCI-CTCAE v5.0] on repeated measurement) despite optimal medical management.
- Active of clinically significant cardiac disease
- Has history of (non-infectious) pneumonitis that required steroids or current pneumonitis.
- Has an active infection requiring systemic therapy.
- Evidence or history of bleeding diathesis or coagulopathy
- Patient with any pulmonary hemorrhage/bleeding event of NCI-CTCAE v5.0 ≥ Grade 2 within 4 weeks before initiating study treatment; any other hemorrhage/bleeding event of NCI-CTCAE v5.0 ≥ Grade 3 within 4 weeks before initiating study treatment.
- Patient with thrombotic, embolic, venous, or arterial events, such as cerebrovascular accident (including transient ischemic attacks) within 6 months of informed consent.
- Presence of a non-healing wound, non-healing ulcer, or bone fracture
- History of organ allograft (including corneal transplant).
- Known or suspected allergy or hypersensitivity to any of the study drugs (sorafenib, and or vemurafenib) study drug classes, or excipients of the formulations given during the course of this trial.
- All patients with known diagnosis of Neurofibromatosis Type 1 or other known RAS-opathies
- Patients with uncontrolled seizures
- Treatment with medications that have known risk of QTc interval prolongation or Torsades de Pointe (TdP) within 14 days before dose of either drug is given in this study and for the duration of the study. Refer to Appendix F.
- Treatment with a strong or moderate CYP3A inducers (e.g, phenytoin, carbamazepine, phenobarbital, St. John's Wort [hypericum perforatum], dexamethasone at a dose of greater than 16 mg daily, or rifampin [rifampicin], and/or rifabutin) or inhibitors within 28 days before dose of either drug is given in this study and for the duration of the study. Refer to Appendix G.
- Treatment with medications that are major CYP1A2 substrates within 14 days before dose of either drug is given in this study and for the duration of the study. Refer to Appendix H.
- Malabsorption or other significant bowel or stomach resections
- Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the patient's participation for the full duration of the trial, or is not in the best interest of the patient to participate, in the opinion of the treating investigator.
- Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
- Inability to comply with the protocol and/or not willing or not available for follow-up assessments required to assess toxicity
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05068752
|Contact: Erkut Borazanci, MD, MSfirstname.lastname@example.org|
|United States, Arizona|
|HonorHealth Research Institute||Recruiting|
|Scottsdale, Arizona, United States, 85258|
|Contact: Joyce Schaffer 480-323-1350 Joschaffer@HonorHealth.com|
|Contact: Andrea House 480-323-1350 email@example.com|
|Principal Investigator:||Erkut Borazanci, MD, MS||HonorHealth Research Institute|
|Responsible Party:||HonorHealth Research Institute|
|Other Study ID Numbers:||
|First Posted:||October 6, 2021 Key Record Dates|
|Last Update Posted:||November 3, 2021|
|Last Verified:||October 2021|
|Individual Participant Data (IPD) Sharing Statement:|
|Plan to Share IPD:||No|
|Studies a U.S. FDA-regulated Drug Product:||Yes|
|Studies a U.S. FDA-regulated Device Product:||No|
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