ABEMA Alone or in COMBO With MK-6482

  • End date
    Feb 2, 2023
  • participants needed
  • sponsor
    Dana-Farber Cancer Institute
Updated on 8 April 2021


This research study will assess whether abemaciclib alone or in combination with MK-6482 are safe and effective in slowing down the growth of clear cell renal cell carcinoma (ccRCC).

The names of the study drugs in this investigational combination are:

  • Abemaciclib
  • MK-6482


This a two-arm, non-randomized phase 1/1B trial aiming at assessing the safety and activity of abemaciclib alone (arm 1), and abemaciclib plus MK-6482 (arm 2) in patients with advanced refractory clear-cell renal cell carcinoma (croc).

A Phase I clinical trial tests the safety of an investigational drug or drug combination and also tries to define the appropriate dose of the investigational drug or drug combination to use for further studies. "Investigational" means that the drug is being studied.The U.S. Food and Drug Administration (FDA) has not approved either abemaciclib or MK-6482 for renal (kidney) cancer but abemaciclib has been approved to treat other forms of cancer.

Abemaciclib is in a class of drugs known as CDK4 & 6 inhibitors. These proteins control how fast cells grow and divide and are found on both normal and cancer cells. They become overactive in cancer cells causing cells to grow and divide uncontrollably. Abemaciclib blocks these proteins just as the cells start to grow and divide and in other cancers has been shown to slow down cancer cell growth and division, causing cancer cells to become inactive or even die.

MK-6482 is an oral, first-in-class selective small-molecule inhibitor that targets hypoxia-inducible factor (HIF)-2a, which promotes the growth of new vessels that fuel kidney cancer.

This study is looking at two different treatments:

  • Arm 1 - abemaciclib alone:
  • To determine the response rate of abemaciclib alone in patients with advanced ccRCC
  • Arm 2 - combination therapy of abemaciclib and MK-6482
  • To determine the maximum dose of abemaciclib and MK-6482 in combination.
  • To determine the response rate of abemaciclib and MK-6482 in patients with advanced ccRCC.

The research study procedures include screening for eligibility, study treatment, participant evaluations and safety follow-up visits, in addition to general health status follow-up after study treatment. It is estimated that participants will receive 12 to 18 months of study treatment and 3 months of safety follow-up, totaling about 15 to 21 months from the start of study treatment. After the safety follow-up visits, the study doctor may request that participants return to clinic for additional tumor assessments or his/her staff will contact participants about every 6 months to follow their health status and find out about any anticancer treatments participants may have begun after study treatment.

It is expected that about 40 people will take part in this research study.

The pharmaceutical company Eli Lilly is supporting this research study by providing funding for the research study, tests required for research purposes only, and the study drugs. The pharmaceutical company Merck is supporting this research study by providing study drug.

Condition Adenocarcinoma, Malignant Adenoma, Adenocarcinoma, Malignant neoplasm of kidney, Kidney Cancer, Renal Cancer, Renal Cell Carcinoma, Renal Cell Carcinoma, Renal Cell Cancer, Kidney Cancer, Malignant Adenoma, Renal Cell Cancer, Renal Cancer, clear cell renal cell carcinoma
Treatment Abemaciclib, MK-6482
Clinical Study IdentifierNCT04627064
SponsorDana-Farber Cancer Institute
Last Modified on8 April 2021


Yes No Not Sure

Inclusion Criteria

Histologically or cytologically confirmed unresectable advanced or metastatic renal cell carcinoma with clear cell component. Patient with extensive sarcomatoid histology are accepted
Participants must have failed at least 1 prior anti-VEGFR systemic therapy and 1 immune checkpoint inhibitor for metastatic RCC. No limit on the number of prior lines of therapies
Measurable disease as per RECIST 1.1. See section 12 for the evaluation of measurable disease
Age 18 years
ECOG performance status 2 (Karnofsky 60%, see Appendix A)
Participants must undergo fresh tumor biopsy unless medically unsafe or not feasible
Normal organ and marrow function as defined below
Absolute neutrophil count 1,500/mcL
Platelets 100,000/mcL
Hemoglobin 10g/dL (transfusions allowed)
Total bilirubin 2.0 x institutional upper limit of normal with the following exception: patients with known Gilbert disease should have a serum bilirubin 3 x ULN
AST(SGOT)/ALT(SGPT)3.0 institutional upper limit of normal with the following exception: patients with known liver metastases should have AST and ALT
Creatinine clearance 30 mL/min/1.73 m2 according to the Cockcroft-Gault equation. (APPENDIX F)
Urine protein/creatinine ratio (UPC ratio) 2
Women of child-bearing potential and men must agree to use adequate contraception (intrauterine device or barrier method of birth control; abstinence) prior to study entry, for the duration of study participation and 6 months after completion abemaciclib plus MK- 6482 and at least 3 weeks after the completion of abemaciclib administration. If condoms are used as a barrier method, a spermicidal agent should be added as a double barrier protection. A negative pregnancy serum test should be obtained within 7 days of therapy initiation. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she must discontinue treatment immediately. Data on fetal outcome and breast-feeding are to be collected for regulatory reporting and drug safety evaluation.. Men treated or enrolled on this protocol must also agree to use adequate contraception prior to the study, for the duration of study participation, and 6 months after completion abemaciclib plus MK-6482 and at least 3 weeks after the completion of abemaciclib administration
Ability to swallow oral medications
Ability to understand and willingness to sign a written informed consent document

Exclusion Criteria

A patient will be excluded from the study if he or she meets any of the
following criteria
Patients receiving any other investigational agents
Patients who received prior CDK4/6 inhibitors
For Arm 2 only, patients who have received prior HIF-2 inhibitor
Participants who have received any continuous or intermittent small molecule therapeutics (excluding monoclonal antibodies) 4 effective half-lives prior to starting study drug or who have not recovered from side effects of such therapy to grade 1 or less (except for non-clinically significant laboratory abnormalities)
Patients must have discontinued all biologic therapy including therapeutic antibodies at least 28 days before C1D1
Participants who have received wide field radiotherapy 4 weeks or limited field radiation for palliation 2 weeks prior to starting study drug or who have not recovered from side effects of such therapy to at least grade 1
Participants with untreated brain metastases are excluded. However, participants with metastatic ccRCC to the brain may participate in this trial, if the participant is 4 weeks from therapy completion (incl. radiation and/or surgery), is clinically stable at the time of study entry and is not receiving corticosteroid therapy >10 mg/day prednisone or equivalent. A repeat MRI or CT Brain to show stability is required
O2 saturation <92% by arterial blood gas analysis or pulse oximetry on room air
Untreated deep vein thrombosis or pulmonary embolism, or event of deep vein thrombosis or pulmonary embolism within 2 weeks of treatment start. Patient should be on at least 1 week of anticoagulation before C1D1
The patient has serious and/or uncontrolled preexisting medical condition(s) that, in the judgment of the investigator, would preclude participation in this study (for example, interstitial lung disease, severe dyspnea at rest or requiring oxygen therapy, severe renal impairment [e.g. estimated creatinine clearance <30ml/min], history of major surgical resection involving the stomach or small bowel, or preexisting Crohn's disease or ulcerative colitis or a preexisting chronic condition resulting in baseline Grade 2 or higher diarrhea)
Patient with active systemic bacterial infection (requiring IV antibiotics at the time of initiating study treatment), fungal infection, or detectable viral infection. Patients with known viral infection (such as HIV) are excluded given the potential for interactions between antiretroviral agents and abemaciclib, and the potential for increased risk of lifethreatening infection with therapy that is myelosuppressive. If you are not known to have HIV, a HIV test is required
Patients with known Hepatitis B or Hepatitis C infection are excluded only if there is evidence of active infection (detectable Hepatitis B surface antigen, detectable Hepatitis C RNA)
Prior allogenic stem cell or solid organ transplant
Impairment of gastrointestinal function or gastrointestinal disease that may significantly alter the absorption of oral drugs (e.g., ulcerative diseases, uncontrolled nausea, vomiting, diarrhea, malabsorption syndrome, or small bowel resection)
Participants who have undergone major surgery 4 weeks (28 days) prior to starting study drug(s) or who have not recovered from side effects of such therapy
Participants who are currently taking therapeutic doses of warfarin sodium or any other coumadin-derivative anticoagulant
Other malignancy diagnosed within 2 years of first study treatment unless negligible risk of metastases or death according to the investigator (included but not limited to carcinoma in situ of the cervix, basal or squamous cell skin cancer, localized prostate cancer, ductal carcinoma in situ of the breast, non-muscle invasive urothelial carcinoma, or other malignancy not deemed to impact patients 5-year life expectancy)
Has a personal history of any of the following conditions: syncope of cardiovascular etiology, ventricular arrhythmia of pathological origin (including, but not limited to, ventricular tachycardia and ventricular fibrillation), sudden cardiac arrest
Has had any major cardiovascular event within 6 months prior to study drug administration iincluding but not limited to: myocardial infarction, unstable angina, cerebrovascular accident, transient ischemic event or New York Heart Association Class III or IV heart failure. Patients with history of DVT or PE are eligible provided DVT or PE occurred at least 2 weeks prior to C1D1 and anticoagulation has been initiated at least 1 week before C1D1
History of symptomatic respiratory condition considered clinically significant by the investigator. History of asymptomatic radiation pneumonitis within a previous radiation field is permitted
Participants with a known hypersensitivity to the study compounds or to its excipients
Participant is unable or unwilling to abide by the study protocol or cooperate fully with the investigator
Females that are pregnant or lactating
Participants who have taken herbal medications and certain fruits within 7 days prior to starting study drug. Herbal medications include, but are not limited to St. John's wort, Kava, ephedra (ma huang), gingko biloba, dehydroepiandrosterone (DHEA), yohimbe, saw palmetto, and ginseng. Fruits include the CYP3A inhibitors Seville oranges, grapefruit, pommelos
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