Dataset Information

A phase II study of anlotinib combined with etoposide and platinum-based regimens in the first-line treatment of extensive-stage small cell lung cancer.

ABSTRACT:

Background

The aim of this prospective, pilot, single-arm phase II trial was to evaluate the safety and efficacy of anlotinib combined with etoposide and platinum-based regimens in the first-line treatment of extensive-stage small cell lung cancer (ES-SCLC).

Methods

This phase II study was conducted at Fudan University Shanghai Cancer Center between December 2018 and December 2020. All patients received standard chemotherapy (etoposide plus cisplatin/carboplatin) consisting of four courses and anlotinib at 12 mg once per day for 2 weeks followed by a one-week rest. Anlotinib administration was continued until disease progression, intolerable adverse events (AEs) or patient withdrawal from the study. The primary outcome measure was progression-free survival (PFS). The secondary outcome measures were overall survival (OS), objective control rate (ORR), disease control rate (DCR) and AEs.

Results

Thirty-seven patients were included in this study, and 30 patients were eligible for efficacy analysis. ORR and DCR were 90.0% and 96.7%, respectively. The estimated PFS and OS were 6.0 months (95% CI: 1.1-11.9 months) and 14.0 months (95% CI: 8.6-19.4 months), respectively. No unexpected adverse effects were reported. Hypertension (20/37, 54.1%), anemia (16/37, 43.2%), alopecia (15/37, 40.5%), elevated transaminases (9/37, 24.3%) and alkaline phosphatase (9/37, 24.3%) were the most commonly reported AEs. Thirteen patients (35.1%) reported grade 3-5 AEs. No treatment-related deaths occurred during this study.

Conclusion

The addition of anlotinib to standard etoposide/platinum chemotherapy achieved encouraging PFS and OS in previously untreated ES-SCLC patients, with an acceptable tolerability profile and no new safety signals observed.

SUBMITTER: Liu C

PROVIDER: S-EPMC9108065 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature

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Publications

A phase II study of anlotinib combined with etoposide and platinum-based regimens in the first-line treatment of extensive-stage small cell lung cancer.

Liu Chang C Liao Jiatao J Wu Xianghua X Zhao Xinmin X Sun Si S Wang Huijie H Hu Zhihuang Z Zhang Yao Y Yu Hui H Wang Jialei J

Thoracic cancer 20220407 10

<h4>Background</h4>The aim of this prospective, pilot, single-arm phase II trial was to evaluate the safety and efficacy of anlotinib combined with etoposide and platinum-based regimens in the first-line treatment of extensive-stage small cell lung cancer (ES-SCLC).<h4>Methods</h4>This phase II study was conducted at Fudan University Shanghai Cancer Center between December 2018 and December 2020. All patients received standard chemotherapy (etoposide plus cisplatin/carboplatin) consisting of fou ...[more]

PMID: 35388976

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Project description:BackgroundThe latest published CASPIAN trial demonstrated that adding durvalumab to etoposide and platinum (EP) improved survival dramatically for patients with extensive-stage small cell lung cancer (ES-SCLC). Considering the high cost of durvalumab, this study evaluated the cost-effectiveness of durvalumab plus EP (DEP) in the first-line setting for treatment-naïve patients with ES-SCLC from the U.S. payer perspective.Materials and methodsWe developed a three-state Markov model to simulate the disease course and source consumption of ES-SCLC over a lifetime horizon. Pseudo-individual patient-level data were generated from digitized Kaplan-Meier curves. Direct medical costs, including drug and administration costs, disease management and adverse events treatment fees, best supportive care and terminal care costs were obtained from sources including the Centers for Medicare and Medicaid Services, Healthcare Cost and Utilization Project, and relevant literature. Health state utility values were derived from published literature. Main outcomes considered were total costs, life-years (LYs), quality-adjusted LYs (QALYs), and incremental cost-effectiveness ratio (ICER). All costs were adjusted for inflation to reflect 2019 U.S. dollars. The willingness-to-pay threshold was set as $150,000/QALY. One-way and probabilistic sensitivity analyses were used to explore the uncertainty of model assumptions.ResultsCompared with EP, DEP was projected to increase life expectancy by 0.86 LYs (1.73 vs. 0.87) and 0.44 QALYs (0.93 vs. 0.49). The incremental treatment cost was $95,907, and the corresponding ICER was $216,953/QALY. The result was most sensitive to the variation of durvalumab acquisition cost. Probabilistic sensitivity analysis revealed that the probability of DEP over EP regimen to be cost-effective was 9.4% at a willingness-to-pay threshold of $150,000/QALY. In the case of reducing the price of durvalumab by 30.7%, DEP was more cost-effective than EP.ConclusionFrom the perspective of the U.S. payer, adding durvalumab to EP is estimated to be not cost-effective compared with EP alone for patients with untreated ES-SCLC.Implications for practiceThe information provided by this analysis serves as a reference for decision makers. Lowering the price of durvalumab would be a potential measure to improve the economics of durvalumab plus etoposide and platinum (DEP), and the inclusion of durvalumab in the Medicare pharmacopeia could make DEP more economically available. These results may also guide physicians and patients to choose the most economically feasible treatment.

Project description:BackgroundCurrently, immune checkpoint inhibitors (ICIs) combined with platinum-etoposide (EP) are gradually becoming the first-line standard treatment for extensive-stage small cell lung cancer (ES-SCLC). This meta-analysis aims to compare the efficacy and safety of ICIs combined with EP vs. EP alone in the first-line treatment of ES-SCLC.MethodsWe searched PubMed, Embase, and Cochrane Library databases for phase II/III randomized controlled trials (RCTs) that met inclusion criteria from January 2016 to November 2023. Outcome measures included progression-free survival (PFS), overall survival (OS), objective response rate (ORR), treatment-related adverse events (TRAEs), treatment-related serious adverse events (TRSAEs), and immune-related adverse events (IRAEs). The effect analysis statistics of the outcome indicators were expressed with hazard ratio (HR) and odds ratio (OR) and their 95% confidence interval (CI).ResultsThis study included nine RCTs with a total of 4,711 patients. Compared to EP, ICIs plus EP improved patients' PFS (HR =0.71; 95% CI: 0.64-0.79; P<0.001), OS (HR =0.79; 95% CI: 0.74-0.84; P<0.001), and ORR (OR =1.27; 95% CI: 1.12-1.44; P=0.001), but increased the incidence of adverse events (AEs): TRAEs (OR =1.45; 95% CI: 1.20-1.76; P<0.001), IRAEs (OR =3.97; 95% CI: 2.49-6.32; P<0.001), and grade 3-4 IRAEs (OR =6.17; 95% CI: 2.36-16.15; P<0.001). However, there was no significant difference in the incidence of grade 3-4 TRAEs (OR =1.05; P=0.54), TRSAEs (OR =1.40; P=0.13), and grade 3-4 TRSAEs (OR =1.17; P=0.72). Subgroup analysis found that patients with brain metastasis did not benefit from ICIs combined with EP therapy, and patients with programmed cell death ligand 1 (PD-L1) expression ≥1% had poorer survival benefits compared to patients with PD-L1 expression <1%.ConclusionsIn the first-line treatment of ES-SCLC, compared to EP chemotherapy, ICIs with EP can benefit patients in terms of PFS, OS, and ORR, but it will increase the occurrence of AEs.

Project description:IntroductionIn the phase 3 study involving the use of durvalumab with or without tremelimumab in combination with platinum-based chemotherapy in untreated extensive-stage SCLC (CASPIAN study), first-line durvalumab plus platinum-etoposide (EP) significantly improved overall survival (OS) versus EP alone (p = 0.0047). We report exploratory subgroup analyses of treatment patterns and outcomes according to the presence of baseline brain or central nervous system metastases.MethodsPatients (WHO performance status 0 or 1), including those with asymptomatic or treated-and-stable brain metastases, were randomized to four cycles of durvalumab plus EP followed by maintenance durvalumab until progression or up to six cycles of EP and optional prophylactic cranial irradiation. Prespecified analyses of OS and progression-free survival (PFS) in subgroups with or without brain metastases used unstratified-Cox proportional hazards models. The data cutoff was on January 27, 2020.ResultsAt baseline, 28 out of 268 patients (10.4%) in the durvalumab plus EP arm and 27 out of 269 patients (10.0%) in the EP arm had known brain metastases, of whom 3 of 28 (10.7%) and 4 of 27 (14.8%) had previous brain radiotherapy, respectively. Durvalumab plus EP (versus EP alone) prolonged OS (hazard ratio, 95% confidence interval) in patients with (0.79, 0.44-1.41) or without (0.76, 0.62-0.92) brain metastases, with similar PFS results (0.73, 0.42-1.29 and 0.80, 0.66-0.97, respectively). Among patients without brain metastases, similar proportions in each arm developed new brain lesions as part of their first progression (8.8% and 9.5%), although 8.3% in the EP arm received prophylactic cranial irradiation. Similar proportions in each arm received subsequent brain radiotherapy (20.5% and 21.2%), although more common in patients with than without baseline brain metastases (45.5% and 18.0%).ConclusionsThe OS and PFS benefit with first-line durvalumab plus EP were maintained irrespective of the presence of brain metastases, further supporting its standard-of-care use.

Dataset Information

A phase II study of anlotinib combined with etoposide and platinum-based regimens in the first-line treatment of extensive-stage small cell lung cancer.

Background

Methods

Results

Conclusion

Publications

A phase II study of anlotinib combined with etoposide and platinum-based regimens in the first-line treatment of extensive-stage small cell lung cancer.

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