Sunitinib dose escalation after disease progression in metastatic renal cell carcinoma.

458 Background: Previous pharmacologic studies demonstrated that higher sunitinib ( S) exposure is associated with improved clinical outcomes in metastatic renal cell carcinoma (mRCC) patients. We aimed to assess the efficacy and toxicity of S dose escalation in mRCC patients progressing on the standard 50mg dose. Methods: A single institution retrospective review was conducted on mRCC patients, treated outside trials with a 50 mg S dose given on an individualized schedule between October 2009 and January 2016, who subsequently progressed on imaging. At progression, patients were dose escalated to 62.5 and 75mg on an individualized schedule if toxicity permitted. Median Progression and Overall Survival (PFS, OS) were analyzed using the Kaplan Meier method. PFS1 and 2 were defined as the time between the start of sunitinib and first progression and the time between dose escalation and second progression respectively. Results: Twenty-five eligible patients were identified, with a median follow-up of 40.3 months (11.1-66.6) and a mean age of 54 years (12.4). The majority of patients underwent cytoreductive surgery (92%) and were men (88%). Thirty two percent, 44%, and 24% had a good, intermediate, and poor prognostic Heng score respectively. At the 50 mg doses, 60% and 16% of patients had a partial response (PR) and stable disease (SD) respectively with a median time to progression (TTP) of 11.4 months (95% CI, 3-20.7). After progression, 36% and 28% had PR and SD on higher doses of S respectively with a TTP of 7.8 months (95% CI, 6.3-12.4). Three patients with progressive disease as best response on a 50 mg S dose achieved SD (2/3) or PR (1/3) after dose escalation. The median PFS1, PFS2, and OS were 6.1 months (95% CI, 2.3-19.4), 6.7 months (95% CI, 3.1-8.4), and 63.7 months (95% CI, 26-not reached) respectively. The most common adverse events after dose escalation were fatigue (56%), diarrhea (40%), and skin toxicity (28%). Conclusions: Patients with mRCC who progress on a 50 mg S dose, may derive a clinical benefit and prolonged survival from dose escalation with acceptable toxicity profiles. These results need to be confirmed in well-designed prospective studies with the aim to optimize the duration of benefit from S therapy.

Download Full-text

Experience of using 1st line combination immunotherapy in patients with metastatic renal cell carcinoma

Cancer Urology ◽

10.17650/1726-9776-2021-17-3-47-63 ◽

2021 ◽

Vol 17 (3) ◽

pp. 47-63

Author(s):

A. S. Kalpinskiy ◽

I. V. Myslevtsev ◽

A. N. Andrianov ◽

K. M. Nyushko ◽

M. P. Golovashchenko ◽

...

Keyword(s):

Renal Cell Carcinoma ◽

Cell Carcinoma ◽

Metastatic Renal Cell Carcinoma ◽

Renal Cell ◽

Progression Free Survival ◽

Combination Immunotherapy ◽

Free Survival ◽

Recist 1.1 ◽

Best Response

The study objective is to evaluate effectiveness and tolerability of 1st line combination immuno-oncological therapy with nivolumab and ipilimumab in patients with metastatic renal cell carcinoma (mRCC) in clinical practice.Materials and methods. The study included 38 patients with mRCC who received combination immunotherapy between July of 2019 and September of 2021. Median follow-up duration was 8 (2-25) months. Mean age of the patients was 58.3 (20-85) years. Previously 22 (57.9 %) patients underwent surgical treatment. Unfavorable physical status 2-3 per the ECOG scale was observed in 10 (26.3 %) patients. Clear-cell type of renal cell carcinoma was diagnosed in 34 (89.6 %) patients, non-clear-cell types in 4 (10.4 %). Sarcomatoid component in the tumor was detected in 8 (21.0 %) patients. G3-4 mRCC variant was verified in 16 (42.1 %) patients. Poor prognosis per the IMDC (International Metastatic Renal Cell Carcinoma Database Consortium) scale was identified in 16 (42.1 %) patients, intermediate -in 20 (52.6 %) patients. All 4 administrations of combination immunotherapy were received by 29 (76.3 %) patients.Results. For median follow-up duration of 8 (2-25) months, 23 (60.5 %) patients continue treatment, 15 (39.5 %) completed therapy with nivolumab and ipilimumab due to various reasons including progression in 11 (28.9 %), death in 2 (5.3 %), intolerable toxicity in 2 (5.3 %) cases. Median duration of combination immunotherapy was 9 (2-24) months. Subsequent antitumor therapy was administered to 3 (7.9 %) patients. During induction course immune-mediated adverse event (grade III-IV hepatitis) developed in 3 (7.9 %) patients. Adverse events were observed in 81.6 % of patients, including grade III-IV in 23.7 % of patients. Objective response was observed in 44.8 % of cases, complete response in 5.3 % of cases, partial response in 39.5 % of cases; controlled disease was achieved in 84.3 % of patients. Median progression-free survival and overall survival were 8 months.Conclusion. In our study despite large number of patients with poor prognosis and poorly differentiated tumors, 64.0 % of patients are alive and 60.5 % of patients continue treatment without disease progression after 18 months of combination immunotherapy. Progression-free survival was significantly affected by sarcomatoid component in the tumor, number of unfavorable factors per the IMDC scale, best response per RECIST 1.1; overall survival was significantly affected by sarcomatoid component in the tumor, sum of measurable lesions, number of unfavorable factors per the IMDC scale, best response per RECIST 1.1, and presence of symptomatic metastases in the brain.

Download Full-text

191 Association of immune related adverse events with the efficacy of immune checkpoint inhibitors in metastatic renal cell carcinoma

Journal for ImmunoTherapy of Cancer ◽

10.1136/jitc-2020-sitc2020.0191 ◽

2020 ◽

Vol 8 (Suppl 3) ◽

pp. A205-A206

Author(s):

Vasilii Bushunow ◽

Leonard Appleman ◽

Roby Thomas

Keyword(s):

Renal Cell Carcinoma ◽

Adverse Events ◽

Cell Carcinoma ◽

Metastatic Renal Cell Carcinoma ◽

Renal Cell ◽

Checkpoint Inhibitors ◽

First Line ◽

First Line Therapy ◽

Line Therapy ◽

Kaplan Meier

BackgroundImmune checkpoint inhibitors (ICI) are first-line therapy for tumors including metastatic renal cell carcinoma (mRCC). Use of ICI is complicated by diverse immune-related adverse events (irAEs), which can add significant morbidity but are also associated with improved efficacy of therapy.1 2 Risk factors for development of irAE are still poorly understood. We hypothesized that patients with mRCC treated with ICI as first-line therapy have higher rates of developing irAE’s than patients previously treated with other therapies.MethodsWe conducted a single-institution, retrospective medical record review of patients with mRCC treated with immune-checkpoint inhibitors from March 2011 through April 15, 2020. We identified therapy duration, and presence, severity, and treatment of adverse events. We defined overall survival as time elapsed from date of diagnosis until death or until completion of study. We classified severity of adverse events according to CTCAE guidelines. Statistical methods included univariate Cox proportional hazards and logistic regression models, and Kaplan-Meier curves were plotted for subgroups.ResultsA total of 64 unique charts were reviewed. 18 patients (28%) of patients were treated with ICI as first-line therapy. 28 patients (44%) experienced immune-related adverse events with a total of 40 irAE’s identified. Most irAE were grade I-II (78%), with 7 (17%) grade III and 1 (2.4%) grade IV irAE’s. Most common sites were skin (29%), thyroid (20%) and gastrointestinal (15%). Patients with irAE had increased survival compared to those who did not have irAE (median survival not reached, vs 139 weeks, p=0.0004) (figure 1). This finding remained after excluding patients who had only experienced dermatologic irAE (median survival not reached in non-derm irAE subgroup, vs 144 weeks for dermatologic or no irAE, p=0.01) (figure 2). Patients treated with ICI as first line therapy had greater rates of developing irAE (72%) than those who had prior therapies (32%) (OR 5.4; p = 0.006). There was no association between histology type and rate of irAE.Abstract 191 Figure 1Kaplan-Meier survival plot of OS between patients with any irAE and those without any irAEAbstract 191 Figure 2Kaplan-Meier survival plot of OS between patients with non-dermatologic irAE and those without any irAE or only dermatologic irAEConclusionsThe development of irAE’s in patients with mRCC treated with ICI is associated with longer survival. This study joins the growing body of evidence showing that presence of irAE’s is associated with increased treatment efficacy. Use of ICI as first-line therapy is associated with higher risk of irAE. Given growing use of ICI as first-line therapy, further study to predict onset and severity of irAE’s is required.AcknowledgementsHong Wang, PhD, for statistical support.Ethics ApprovalThis study was approved by the University of Pittsburgh Institutional Review Board. Approval number STUDY19100386.ReferencesElias R, Yan N, Singla N, Levonyack N, Formella J, Christie A, et al. Immune-related adverse events are associated with improved outcomes in ICI-treated renal cell carcinoma patients. J Clin Oncol 2019;37(7):S645.Verzoni E, Cartenì G, Cortesi E, et al. Real-world efficacy and safety of nivolumab in previously-treated metastatic renal cell carcinoma, and association between immune-related adverse events and survival: the Italian expanded access program. J Immunother Cancer 2019;7(1):99.

Download Full-text

Long term follow up of 50 patients with metastatic renal cell carcinoma treated with high dose i.v. interleukin. 2

European Journal of Cancer ◽

10.1016/s0959-8049(99)81866-8 ◽

1999 ◽

Vol 35 ◽

pp. S358

Author(s):

M. Libra ◽

A. Buonadonna ◽

A. Freschi ◽

A. Bearz ◽

M. Berretta ◽

...

Keyword(s):

Renal Cell Carcinoma ◽

Cell Carcinoma ◽

Metastatic Renal Cell Carcinoma ◽

Renal Cell ◽

Interleukin 2 ◽

High Dose ◽

Long Term Follow Up

Download Full-text

Dose escalation of axitinib on disease progression as a strategy in the treatment of metastatic renal cell carcinoma

ESMO Open ◽

10.1136/esmoopen-2018-000445 ◽

2018 ◽

Vol 3 (7) ◽

pp. e000445 ◽

Cited By ~ 2

Author(s):

Gary Joseph Doherty ◽

Deirdre Lynskey ◽

Athena Matakidou ◽

Kate Fife ◽

Tim Eisen

Keyword(s):

Renal Cell Carcinoma ◽

Disease Control ◽

Cell Carcinoma ◽

Disease Progression ◽

Metastatic Renal Cell Carcinoma ◽

Dose Escalation ◽

Renal Cell ◽

Kinase Inhibitor ◽

Drug Label ◽

Entire Cohort

IntroductionThe AXIS trial established axitinib as a standard of care treatment for patients with metastatic renal cell carcinoma (mRCC) after failure of a prior tyrosine kinase inhibitor. Axitinib dosing begins at 5 mg twice daily, with escalation of doses to 7 and 10 mg after consecutive 2-week intervals if tolerated (as per the drug label). Given clinical concerns about drug-related toxicity, we have used a pragmatic strategy where dose escalations were made only after disease progression or where rapid responses were clinically required.MethodsWe performed a retrospective review of electronic health records and radiology of all patients with mRCC treated with axitinib for >2 weeks at Addenbrooke’s Hospital, Cambridge, UK, over a 37 -month period to determine the clinical and radiological effects of dose escalations made according to the above strategy.Results42 patients fitting these criteria were identified, 29 having ≥1 dose escalation event (DEE). 60 DEEs were identified (median of two per patient), and the objective radiological consequences of 53 DEEs could be evaluated. The disease control rate (partial response or stable disease) after the first DEE instituted for disease progression was similar to that after the second DEE (68.8% vs 70%). 56.6 % of all DEEs and 63.6 % of DEEs made as a result of disease progression resulted in disease control. The median OS from the commencement of axitinib for all dose-escalated patients was 19.9 months, and 16.5 months for the entire cohort. The mean dose (for all patients) at 90 days after starting axitinib was 5.92 mg.ConclusionThese data suggest that dose escalation of axitinib after disease progression may be an effective dosing strategy for patients with mRCC, and this may be a preferred option in patients in whom there are particular concerns about drug-related toxicity, quality of life optimisation or healthcare-associated costs.

Download Full-text