Lenalidomide Oral Monotherapy Produces a 53% Response Rate in Patients with Relapsed/Refractory Mantle-Cell Non-Hodgkin’s Lymphoma.

Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 2563-2563 ◽  
Author(s):  
Joseph M. Tuscano ◽  
Izidore S. Lossos ◽  
Glen Justice ◽  
Julie M. Vose ◽  
Kenichi Takeshita ◽  
...  

Abstract Background: Mantle cell lymphoma (MCL) is a distinct type of non-Hodgkin’s Lymphoma characterized by being incurable with a low response rate and short progression free survival when treated with conventional chemotherapy agents. Lenalidomide (Revlimid®), an immunomodulatory drug, is approved for the treatment of relapsed/refractory multiple myeloma and myelodysplastic syndromes associated with a del(q5) cytogenetic abnormality. Lenalidomide has also shown activity in chronic lymphocytic leukemia and cutaneous T-cell lymphoma. Aim: To determine the activity and safety of lenalidomide in relapsed/refractory MCL. Methods: Patients with relapsed/refractory MCL and measurable disease ≥ 2 cm after at least 1 prior treatment regimen were eligible. Patients received 25 mg lenalidomide orally once daily on Days 1–21 every 28 days and continued therapy for 52 weeks as tolerated or until disease progression. Response and progression were evaluated using the IWLRC methodology. Results: Fifteen patients with MCL were enrolled. Median age was 67 (45–84) and 7 were female. Median time from diagnosis to lenalidomide was 5.1 (0.7–12.7) years and median number of prior treatment regimens was 4 (2–6). Eight patients (53%) exhibited an objective response (1 complete response (CR), 1 complete response unconfirmed (CRu) and 6 partial responses (PR)), 2 had stable disease (SD) and 5 had progressive disease (PD). All eight responses were in eleven patients having a tumor burden < 50 cm2 and a time since last rituximab therapy of ≥ 230 days. No responses were achieved in four patients having a tumor burden ≥ 50 cm2 or a time since last rituximab therapy of < 230 days. Four of 5 patients (80%) with a prior stem cell transplant responded. Progression free survival [PFS] is 5.7 months and ongoing. Seven patients (47%) required at least one dose reduction with a median time to first dose reduction of 2.3 months (1.2–4.9). Grade 4 adverse events were neutropenia (13%), thrombocytopenia (13%), and thromboembolism (13%). Most common Grade 3 adverse events were neutropenia (33%) and leukopenia (20%). Conclusion: Lenalidomide oral monotherapy produced a 53% response rate in relapsed/refractory MCL with manageable side effects.

Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 2570-2570 ◽  
Author(s):  
Julie M. Vose ◽  
Joseph M. Tuscano ◽  
Glen Justice ◽  
Izidore S. Lossos ◽  
Annette Ervin-Haynes ◽  
...  

Abstract Background: High dose chemotherapy with stem cell transplant is currently employed in relapsed/refractory aggressive Non-Hodgkin’s Lymphoma (NHL). Lenalidomide (Revlimid®), an immunomodulatory drug, has shown activity in hematological malignancies including relapsed/refractory multiple myeloma, chronic lymphocytic leukemia and cutaneous T-cell lymphoma. Aim: To determine the activity and safety of lenalidomide monotherapy in relapsed/refractory aggressive NHL following stem cell transplant (SCT). Methods: Patients with relapsed/refractory aggressive NHL with measurable disease ≥ 2 cm after at least 1 prior treatment regimen were eligible. Patients received 25 mg lenalidomide orally once daily on Days 1–21 every 28 days and continued therapy for 52 weeks as tolerated or until disease progression. Response and progression were evaluated using the IWLRC methodology. Results: Fourteen (29%) of the 49 patients enrolled into the study had a prior SCT. Median age was 61 (23–76) and 5 were female. Histology was diffuse large B-cell lymphoma [DLBCL] (n=5), follicular center lymphoma grade 3 [FL] (n=2), mantle cell lymphoma [MCL] (n=5) and transformed [TSF] (n=2). Median time from diagnosis to lenalidomide was 3.9 (1.1–31.4) years and median time from SCT to study entry was 1.9 (0.5–11.7) years. The median number of prior treatment regimens was 5 (2–8). Seven patients (50%) exhibited an objective response (1 complete response unconfirmed (CRu), and 6 partial responses (PR)), 5 had stable disease (SD) and 2 patients had progressive disease (PD). Six responses were in eight patients having a tumor burden < 50 cm2 and a time since last rituximab therapy of ≥ 230 days. One response was achieved in six patients having a tumor burden ≥ 50 cm2 or a time since last rituximab therapy of < 230 days. Four of 6 (67%) patients who had SCT as their last treatment prior to lenalidomide [median time from SCT to lenalidomide = 0.8 (0.5–4.8) years] responded. Progression free survival [PFS] is 4.5 months and ongoing. Six patients (43%) required at least one dose reduction with a median time to first dose reduction of 1.6 months (0.4–4.9). Two patients each (14%) had Grade 4 adverse events of neutropenia and thrombocytopenia. The most common Grade 3 adverse events were neutropenia (36%), thrombocytopenia (21%), and leukopenia (14%). Conclusion: Lenalidomide produced a 50% response rate with manageable side effects in relapsed/refractory aggressive NHL following stem cell transplant.


Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 2564-2564 ◽  
Author(s):  
Izidore S. Lossos ◽  
Peter H. Wiernik ◽  
Glen Justice ◽  
Joseph M. Tuscano ◽  
Craig E. Cole ◽  
...  

Abstract Background: Patients with diffuse large B-cell lymphoma (DLBCL) not cured by first line R-CHOP chemotherapy or second line high-dose chemotherapy with autologous stem cell rescue have a poor prognosis and represent a clear unmet medical need. Lenalidomide (Revlimid®), an immunomodulatory drug, has activity in hematological malignancies including relapsed/refractory multiple myeloma, chronic lymphocytic leukemia and cutaneous T-cell lymphoma. Aim: To determine the activity and safety of lenalidomide monotherapy in relapsed/refractory DLBCL. Methods: Patients with relapsed/refractory DLBCL with measurable disease after at least 1 prior treatment regimen were eligible. Patients received 25 mg lenalidomide orally once daily on Days 1–21 every 28 days and continued therapy for 52 weeks as tolerated or until disease progression. Response and progression were evaluated using the IWLRC methodology. Univariate analyses using Fisher’s exact test was conducted to investigate and characterize associations of prognostic variables with response. Results: Twenty-six patients with DLBCL lymphoma were enrolled. The median age was 66 (45–86) and 13 were female. Median time from diagnosis to lenalidomide was 2.4 (0.5–12) years and median number of prior treatment regimens was 3 (1–6). Three patients (12%) exhibited an objective complete response (1 complete response (CR) and 2 complete responses unconfirmed (CRu)). Two patients had a partial response (PR) for an overall response rate of 19% and 7 had stable disease (SD). Response to lenalidomide was associated with low disease burden (33% for < 50 cm2v 0% for ≥ 50 cm2, P=0.06) and longer time from rituximab to lenalidomide treatment (33% for ≥ 230 days v 0% for < 230 days, P=0.05). Patients with favorable values for both these prognostic factors (N = 10) had a 50% response rate [RR] (30% CR/CRu RR) compared with a 0% RR for patients with unfavorable values (N = 16; P < 0.004) and a progression free survival (ongoing) of 7.4 months v 1.9 months. Although there were no responses in the poor prognosis group, 4 patients exhibited stable disease with an ongoing median PFS of > 4.2 months (> 3.6 - > 6.2). Eight patients (31%) required at least one dose reduction with a median time to first dose reduction of 1.8 months (0.4–2.9). One patient each (4%) had Grade 4 anemia, cauda equinine syndrome, febrile neutropenia, intermittent rash, lymphopenia, neutropenia, pneumonitis and thrombocytopenia. Most common Grade 3 adverse events were neutropenia (19%), thrombocytopenia (15%) and leukopenia (12%). Conclusion: The prognostic factors of tumor burden and time from last dose of rituximab appear to identify relapsed/refractory DLBCL patients with a high likelihood of response to lenalidomide oral monotherapy.


2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Keshu Zhou ◽  
Dehui Zou ◽  
Jianfeng Zhou ◽  
Jianda Hu ◽  
Haiyan Yang ◽  
...  

AbstractMantle cell lymphoma (MCL) is a mature B-cell neoplasm with a high initial response rate followed almost invariably by relapse. Here we report the pooled data from 2 studies, BGB-3111-AU-003 and BGB-3111-206, to explore the efficacy of zanubrutinib monotherapy in relapsed/refractory (R/R) MCL. A total of 112 patients were included. Median follow-up durations were 24.7 and 24.9 months for BGB-3111-AU-003 and BGB-3111-206, respectively. Overall response rate (ORR) and complete response (CR) rate were 84.8% and 62.5%, and median duration of response, progression-free survival (PFS) and overall survival (OS) were 24.9, 25.8 and 38.2 months, respectively. After weighting, the PFS (median: NE vs. 21.1 months, P = 0.235) and OS (median: NE vs. 38.2 months, P = 0.057) were similar but numerically better in the second-line than later-line group. Zanubrutinib was well-tolerated with treatment discontinuation and dose reduction for adverse events in 12.5% and 2.7% of patients, respectively. Hypertension, major hemorrhage and atrial fibrillation/flutter rates were 11.6%, 5.4% and 1.8%, respectively. Zanubrutinib is efficacious in R/R MCL, with a favorable safety profile.


Blood ◽  
2019 ◽  
Vol 134 (Supplement_1) ◽  
pp. 4072-4072
Author(s):  
Qian Mei ◽  
Wenying Zhang ◽  
Yang Liu ◽  
Qingming Yang ◽  
John E.J. Rasko ◽  
...  

Introduction Since primary mediastinal B-cell lymphoma (PMBCL) is a rare cancer, a prospective clinical trial is challenging and optimal therapy for relapsed/refractory PMBCL (rrPMBCL) has not been defined. The current clinical standard-of-care has been extrapolated from retrospective series or from subgroup analyses of prospective trials designed for diffuse large B-cell lymphoma. Novel salvage strategies are therefore urgently required in rrPMBCL. Methods This single-arm, open-label, phase II trial enrolled patients with heavily pre-treated, rrPMLBCL who have bulky disease (the longest diameter ≥5 cm) and have relapsed or refractory disease after ≥ 2 lines of prior therapy. All enrolled patients received combining PD-1 blockade using Camrelizumab with GVD chemotherapy (gemcitabine, vinorelbine and pegylated liposomal doxorubicin)every 3 weeks until the patients achieved second assessable complete response or up to 12 cycles, followed by maintenance camrelizumab monotherapy up to 1 year. Safety was assessed by CTCAE v5.0 in the population consisted of all patients who received ≥ 1 dose of study drug. Clinical response was evaluated by computed tomography (CT) every 2 cycles and by positron emission tomography-computed tomography (PET-CT) every 4 cycles according to the Lugano Response Criteria for Non-Hodgkin's Lymphoma. Peripheral blood samples were collected before every cycle and tumors were biopsied prior to initiation of therapy for relevant biomarker analysis. The primary end points were objective response rate (ORR) and safety/tolerability. Key secondary end points were complete response rate (CRR), progression-free survival (PFS) and overall survival (OS). Results At the analysis cutoff date (March 31, 2019), 27 rrPMLBCL patients were enrolled: median age 30 years (range: 18-45), 52% female (14/27), median 3 lines of prior therapy (range: 2-6), median 6 cycles of rituximab-containing regimens (range: 2-10). In all 27 response-evaluable patients with heavily pretreated rrPMBCL, Camrelizumab plus GVD achieved unprecedented OR (74.1% [95% CI 55.3-86.8]) and CR rates (55.6% [95% CI 37.3-72.4]), with rapid and lasting responses. The median time to response of 20 patients achieving response was 1.7 months (95% CI 1.6-1.8), while 21 (78.0% [95% CI 59.2-89.4]) patients had a decrease in target lesions at the first tumor scan assessment. With a median follow-up of 12.5 months (range, 3.2-20.6), the median duration of response (DOR) and progression-free survival (PFS) were not reached. Censored at 1-year, the DOR and PFS was 80.0% (95% CI 55.1-92·0) and 59·0% (95% CI 38·3-74·9), respectively. Sixteen of 20 (80%) responders, including all 15 patients achieving complete response, had an ongoing response at data cutoff. The addition of Camrelizumab to the GVD regimen did not appear to exacerbate treatment-related adverse events. Any-grade and grade 3 treatment-related adverse events was occurred in 25 (93%) and 9 (33%) patients, respectively. No grade 4 or 5 adverse events were reported. The most common treatment-related adverse events were neutropenia (70%), leukocytopenia (52%), pruritus (30%) and anaemia (26%). An exploratory analysis undertaken to identify potential biomarkers of response indicated a role for serum levels of IFN-γ, IL-10 and sFas to predict the clinical outcome. Conclusions Patients with rrPMBCL represent a particularly challenging population to treat, with few effective treatment options in the context of a dismal prognosis. Aside from palliation, new salvage therapeutic strategies are urgently needed. Camrelizumab plus GVD chemotherapy should be considered as a compelling new standard of salvage therapy with promising efficacy and manageable safety profile for patients with rrPMBCL. Figure Disclosures Rasko: Cure The Future Foundation: Membership on an entity's Board of Directors or advisory committees; Genea: Equity Ownership; Takeda: Honoraria; Rarecyte: Consultancy, Equity Ownership; Gene Technology Technical Advisory, Australian Government: Other: Advisory committee; GSK: Honoraria.


1995 ◽  
Vol 13 (11) ◽  
pp. 2819-2826 ◽  
Author(s):  
I Teodorovic ◽  
S Pittaluga ◽  
J C Kluin-Nelemans ◽  
J H Meerwaldt ◽  
A Hagenbeek ◽  
...  

PURPOSE Before recognizing mantle-cell lymphoma (MCL) as a distinct entity, these patients were grouped into low-grade (LG) or intermediate-/high-grade categories (IGHG) according to the Working Formulation and received various therapies. This was a unique opportunity to evaluate characteristics, behavior, response to treatment, and outcome of patients with MCL from two phase III trials conducted by the European Organization for the Research and Treatment of Cancer (EORTC): EORTC 20855 IGHG and EORTC 20856 LG. PATIENTS AND METHODS After histologic review, 64 diagnosed MCL patients (29 IGHG and 35 LG) were compared with other patients in their respective trials. In the IGHG group, patients received cyclophosphamide, doxorubicin, teniposide (VM26), prednisone, vincristine, and bleomycin (CHVmP-VB) or modified doxorubicin, cyclophosphamide, etoposide (VP 16), mechlorethamine, vincristine, procarbazine, and prednisone (ProMACE-MOPP). In the LG group, after receiving cyclophosphamide, vincristine, and prednisone (CVP) induction, patients were randomized between maintenance treatment with interferon alfa-2a (IFN) or no further treatment. RESULTS MCL patients compared with IGHG subtypes showed a similar overall survival and response rate, but shorter duration of response and progression-free survival. Comparing with LG patients, their response rate, duration of response, and progression-free survival showed no difference, while their overall survival was nearly twice shorter. MCL patients treated with CHVmP-VB had the longest survival. No treatment showed any significant improvement in terms of progression-free survival. CONCLUSION These data confirm that MCL represents a clinicopathologic entity. In terms of survival, it behaves like IGHG subtypes, while in terms of progression-free survival, it behaves like LG lymphoma. It is still not clear which first-line treatment offers patients with MCL the best chance to obtain both a complete response (CR) and a long-term survival.


Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 4474-4474
Author(s):  
Michael Herold ◽  
Antje Haas ◽  
Stephanie Srock ◽  
Sabine Neser ◽  
Kathrin H. Al Ali ◽  
...  

Abstract Introduction: Rituximab plus chemotherapy has been proved to be the standard in treating advanced follicular lymphoma. However in mantle cell lymphoma (MCL) the results are still controversial. Methods: In a prospective randomised trial (OSHO#39) we compared the efficacy and toxicity of MCP chemotherapy(mitoxantrone 8 mg/m2 d 1+2, chlormabucil 3x3 mg/m2 d 1–5 and prednisolone 25 mg/m2 d q 4 weeks)versus MCP plus rituximab (375 mg/m2 d -1) in advanced indolent lymphoma and mantle cell lymphoma. Here we present the results of the MCL subgroup (n=90) among the 358 randomised patients (FL, MCL, LPL). Study endpoints included overall and complete response rate (RR + CR), progression free survival (PFS), event free survival (EFS), overall survival (OS) and toxicities. Results: with a median follow-up of 43 months for the MCL subgroup we can provide relatively mature data. Concerning toxicities there was no striking difference between the treatment groups. The treatment results for the MCL patients are as follows: Conclusions: Concerning all end-points R-MCP is not superior to MCP chemotherapy alone in advanced mantle cell lymphoma. Immunochemotherapy is obviously not the solution for this poor prognosis lymphoma entity. Results R-MCP n=44 MCP n=46 p-value Response Rate 70,5% 63% .5074 Complete Responses 31,8% 15,2% .0822 PFS median 20,5 months 19 months .2482 PFS 42 months 31% 14% EFS median 19 months 14 months .1369 EFS 42 months 27% 11,5% OS median 56 months 50 months .4862 OS 42 months 60% 61%


Blood ◽  
2012 ◽  
Vol 120 (21) ◽  
pp. 3675-3675 ◽  
Author(s):  
Stephen E Spurgeon ◽  
Kamal Sharma ◽  
David F. Claxton ◽  
Christopher W. Ehmann ◽  
Carla Gallagher ◽  
...  

Abstract Abstract 3675 Background: Mantle cell lymphoma (MCL) remains incurable and little consensus exists on the best standard initial therapy. However, improved understanding of disease biology has the potential to lead to novel treatment approaches including new perspectives on older drugs. For example, epigenetic modifications including altered DNA methylation and histone acetylation previously identified in MCL has provided the rationale for using the combination of a hypomethylating agent and a histone deactylase inhibitor. Here we show that agents with differing mechanisms have significant activity in previously untreated MCL. In addition to its cytotoxic effects in lymphoid malignancies, cladribine has hypomethylating properties. Vorinostat (SAHA) is a histone deacetylase inhibitor (HDACi) FDA approved in cutaneous T cell lymphoma with modest single agent activity in MCL. Preclinically, the combination of these agents has been shown to activate silenced genes. Since cladribine inhibits DNA methylation via a unique mechanism, it could also potentially inhibit histone methylation. We previously reported initial results of our Phase I/II trial combining SAHA, cladribine, and rituximab (SCR) for the treatment of B-cell non-Hodgkin's Lymphoma (NHL) [Spurgeon et al, ASH, 2012]. Here we present the updated results from the Phase II portion of the trial in the untreated MCL cohort including response rate, overall and progression free survival, and correlative studies. Methods: The achieved phase II starting dose was vorinostat 400 mg po (days 1–14) combined with cladribine 5mg/m2 IV (days 1–5), and Rituximab 375 mg/m2 IV (weekly × 4 for cycle 1 and 1x/month) every 28 days for up to 6 cycles. Response evaluation occurs after 2 cycles and at the completion of therapy. Responding patients are eligible to receive maintenance rituximab. Phase II eligibility includes relapsed NHL as well as previously untreated MCL. The primary outcome is response rate (ORR); secondary endpoints include progression-free survival (PFS) and overall survival (OS). Scientific correlatives include analysis of CD20 expression, histone acetylation, gene microarray, qRT-PCR and HELP methylation analysis. To evaluate the possible effects of SAHA metabolism on toxicity and response, UDP-glucuronosyltransferase 2B17 (UGT2B17) genotyping is also performed. This study continues to enroll patients. Results: 28 previously untreated MCL patients have been enrolled on the phase II portion of the study. 7 have not yet completed the planned 6 cycles; however, 26 patients have completed ≥ 2 cycles and are evaluable for response. The majority of responding patients have received maintenance rituximab. The overall response rate (ORR) is 100% (26/26) with 69% (18/26) achieving CR. Of those patients not attaining CR, 2 had blastic MCL and died, 3 have not yet completed active treatment, and 1 withdrew consent after two cycles. At a median follow up of 14.7 months (.07 – 25 months) 4 patients have relapsed and 3 have died. Of the relapsing patients, two had blastic MCL. None of the patients achieving a CR has relapsed. The estimated PFS curve (shown in the Kaplan-Meier curve below) did not reach the 0.5 level and therefore, median PFS could not be estimated. Toxicities were defined using CTCAE 4 and primarily include neutropenia, thrombocytopenia, fatigue, anorexia, and dehydration. We found that cladribine hypomethylates DNA in vivo (8/8 pts) and inhibits histone methylation in vitro. There were no upregulated genes common to untreated leukemic MCL patients; however, a number of changes in gene expression were observed. For example, upregulated genes after treatment included DUSP2 (3 patients), FOXO3 (2 patients), NOXA1 (2 patients), CEBPb (2 patients) and p53 (3 patients). Conclusions: The SCR regimen has significant activity and shows epigenetic activity in previously untreated MCL. Initial follow up results are promising, especially in patients without blastic MCL who continue with maintenance rituximab. The SCR regimen should be studied further in NHL. Disclosures: Spurgeon: Merck : Research Funding. Off Label Use: vorinostat: off label use mantle cell lymphoma. Epner:Merck: Research Funding, Speakers Bureau.


Blood ◽  
2004 ◽  
Vol 104 (8) ◽  
pp. 2269-2271 ◽  
Author(s):  
Hannes Kaufmann ◽  
Markus Raderer ◽  
Stefan Wöhrer ◽  
Andreas Püspök ◽  
Alexander Bankier ◽  
...  

Abstract We evaluated a treatment strategy targeting both lymphoma cells (by rituximab) and the microenvironment (by thalidomide) in 16 patients with relapsed/refractory mantle cell lymphoma (MCL). Rituximab was administered at 375 mg/m2 for 4 weekly doses concomitantly with thalidomide (200 mg daily, with a dose increment to 400 mg on day 15), which was continued as maintenance therapy until progression/relapse. Thirteen patients (81%) experienced an objective response, with 5 complete responders (31%). Median progression-free survival (PFS) was 20.4 months (95% confidence interval [CI], 17.3-23.6 months), and estimated 3-year survival was 75%. In patients achieving a complete response, PFS after rituximab plus thalidomide was longer than PFS after the preceding chemotherapy. Severe adverse events included 2 thromboembolic events and 1 grade IV neutropenia associated with thalidomide. Our results suggest that rituximab plus thalidomide has marked antitumor activity in relapsed/refractory MCL and a low toxicity profile, which warrants further evaluation in MCL.


2004 ◽  
Vol 22 (12) ◽  
pp. 2313-2320 ◽  
Author(s):  
Bent Ejlertsen ◽  
Henning T. Mouridsen ◽  
Sven T. Langkjer ◽  
Jorn Andersen ◽  
Johanna Sjöström ◽  
...  

Purpose To determine whether the addition of intravenous (IV) vinorelbine to epirubicin increased the progression-free survival in first-line treatment of metastatic breast cancer. Patients and Methods A total of 387 patients were randomly assigned to receive IV epirubicin 90 mg/m2 on day 1 and vinorelbine 25 mg/m2 on days 1 and 8, or epirubicin 90 mg/m2 IV on day 1. Both regimens were given every 3 weeks for a maximum of 1 year but discontinued prematurely in the event of progressive disease or severe toxicity. In addition, epirubicin was discontinued at a cumulative dose of 1,000 mg/m2 (950 mg/m2 from June 1999). Prior anthracycline-based adjuvant chemotherapy and prior chemotherapy for metastatic breast cancer was not allowed. Reported results were all based on intent-to-treat analyses. Results Overall response rates to vinorelbine and epirubicin, and epirubicin alone, were 50% and 42%, respectively (P = .15). The complete response rate was significantly superior in the combination arm (17% v 10%; P = .048) as was median duration of progression-free survival (10.1 months v 8.2 months; P = .019). Median survival was similar in the two arms (19.1 months v 18.0 months; P = .50). Leukopenia related complications, stomatitis, and peripheral neuropathy were more common in the combination arm. The incidences of cardiotoxicity and constipation were similar in both arms. Conclusion Addition of vinorelbine to epirubicin conferred a significant advantage in terms of complete response rate and progression-free survival, but not in terms of survival.


2021 ◽  
Author(s):  
Hanqing Li ◽  
Yang Li ◽  
Lei Song ◽  
Qiuchi Ai ◽  
shuai zhang

Abstract To study and observe the safety and efficacy of anlotinib in the treatment of advanced osteosarcoma with metastases. We retrospectively studied patients with advanced osteosarcoma and metastases who received anlotinib treatment in our hospital from June 2018 to April 2020. All patients had received standard multimodal therapies, before taking anlotinib. Therapeutic doses of anlotinib were 12 mg for adults and 10 mg for children and adolescents once a day for 2 consecutive weeks, followed by a week of withdrawal. This 3-week cycle of treatment was continued until the tumor progressed rapidly or the patients failed to tolerate the side effects. Adverse drug reactions were recorded, and therapeutic efficacy was evaluated based on progression free survival (PFS), disease control rate (DCR), overall survival (OS), and objective response rate (ORR). The median PFS was 9.81 ± 0.9 months, and the 6-month and 10-month PFS rates were 73.3% and 33.3%, respectively. The median OS was 11.43 ± 0.58 months. No patients achieved complete response. After 6 months of treatment, the DCR and ORR were 80% and 13.3%, respectively. No drug-related deaths or Grade 4 adverse events occurred in the patients. Five patients (33.3%) had Grade 3 adverse events. The most common drug-related adverse events were hand-food syndrome, fatigue, high blood pressure, anorexia, and pneumothorax. Anlotinib had a certain curative effect on patients with advanced osteosarcoma and metastases after failure of standard treatment. The adverse events were mostly tolerable or relieved after treatment.


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