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JGH Open: An Open Access Journal of Gastroenterology and Hepatology logoLink to JGH Open: An Open Access Journal of Gastroenterology and Hepatology
. 2023 Dec 13;7(12):832–840. doi: 10.1002/jgh3.12999

Efficacy of lenvatinib versus sorafenib in the primary treatment of advanced hepatocellular carcinoma: A meta‐analysis

Vikash Jaiswal 1, Maha Hameed 2, Sidra Naz 3, Poulami Roy 4, Novonil Deb 4, Janta Ukrani 5, Gautham Varun Krishna Mohan 6, Amira M Taha 7, Helen Huang 8,, Vikash Kumar 9, Bhavyakumar Vachhani 9, Abdelrahman M Attia 10, Supti D Nath 11, Mostafa A Solimn 10, Dattatreya Mukherjee 12
PMCID: PMC10757498  PMID: 38162860

Abstract

Background and Aim

Molecular‐targeted agents such as lenvatinib and sorafenib have been approved to treat hepatocellular carcinoma (HCC). However, the choice between these two agents in the primary treatment for advanced HCC is still under debate with conflicting results. We sought to evaluate the efficacy of lenvatinib and sorafenib in patients with HCC.

Methods

We performed a systematic literature search using PubMed, Embase, and Scopus for relevant articles from inception until February 10, 2023. The primary outcome of this meta‐analysis was overall survival (OS). The secondary outcomes were progression‐free survival (PFS), time to progression, objective response rate (ORR), and disease control rate (DCR).

Results

A total of 13 studies with 3705 patients (1635 on lenvatinib and 2070 on sorafenib) were included in our analysis. The mean age of the patients in both groups was comparable (66.81 vs 65.9 years). Pooled analysis of primary outcomes showed that, compared with sorafenib, lenvatinib was associated with significantly better OS in patients treated with these drugs (HR 0.82, 95% CI: 0.69–0.97, P = 0.02). Pooled analysis also showed that PFS (HR 0.67, 95% CI: 0.57–0.78, P < 0.00001) and time to progression (HR 0.49, 95% CI: 0.31–0.79; P = 0.004) were significantly better in the lenvatinib group compared to the sorafenib group. It also showed that the lenvatinib group had significantly better ORR (odds ratio [OR] 5.43, 95% CI: 3.71–7.97; P < 0.00001) and DCR (OR 2.35, 95% CI: 1.75–3.16; P < 00001) than the sorafenib group.

Conclusion

Our study shows that lenvatinib is superior to sorafenib regarding OS and PFS in patients with advanced HCC.

Keywords: hepatocellular carcinoma, lenvatinib, mortality, sorafenib


Our study shows that lenvatinib was superior to sorafenib in overall survival and progression‐free survival in advanced hepatocellular carcinoma patients.

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Introduction

Hepatocellular carcinoma (HCC) is the most prevalent primary hepatic malignancy contributing substantially to global cancer‐related mortality. HCC cases have been on the rise, mainly because of their aggressive nature and limited treatment modalities. 1 HCC is the predominant subtype of hepatic malignancy globally, constituting approximately 75% of overall cases. 2 Irrespective of geographical location, HCC is usually associated with a poor prognosis. 3 As of 2018, the approximate annual incidence of HCC was 9.3 cases per 100 000 individuals, with a corresponding mortality rate of 8.5 cases per 100 000 person‐years. 4 These figures lend support to the notion that HCC is associated with an unfavorable prognosis.

Because of the asymptomatic presentation of HCC in the initial stages, a considerable proportion of HCC cases go unnoticed and diagnosed later in advanced or unresectable stages, which culminates in irreversible pathological states that defy any attempts at remediation. 5 In cases that do not present evidence of advanced liver fibrosis and portal hypertension, surgical resection of the tumor is regarded as the optimal course of treatment. However, it is noteworthy that liver surgery in patients with chronic liver disease is associated with an elevated risk of hepatic failure, particularly in the case of extended resections. 6 Implementing efficient therapeutic interventions is imperative to impede the disease's swift progression, thus ultimately reducing fatality.

Over the past few decades, drug development endeavors for HCC have experienced major setbacks, characterized by four global Phase III trials (namely sunitinib, brivanib, linifanib, and erlotinib plus sorafenib) that yielded unsatisfactory results. 7 , 8 , 9 , 10 Specifically, these trials failed to demonstrate non‐inferiority or superiority compared to sorafenib regarding overall survival (OS) as a first‐line treatment for HCC. Sorafenib and lenvatinib are the widely adopted first‐line systemic treatments for advanced HCC. 11 However, there is a shortage of literature pertaining to the potential benefits that lenvatinib may offer over sorafenib in terms of efficacy, depending on the specific needs of the patient cohort. Through synthesis and analysis of available clinical data, our systematic review and meta‐analysis aims to provide an objective and evidence‐based evaluation of these two chemotherapeutic agents' relative merits and demerits, which could aid in clinical decision making and improve disease outcomes.

Materials and methods

This meta‐analysis was conducted and reported following the Cochrane and PRISMA (Preferred Reporting Items for Systematic review and Meta‐Analysis) 2020 guidelines and performed according to established methods, as described previously. 7 , 8 , 9 The prespecified study protocol has been registered in PROSPERO (CRD42023400480).

Search strategy

We conducted a systematic literature search in PubMed, Embase, and Scopus using predefined MESH terms by using “AND” and “OR.” The following search terms were used: “Hepatocellular Carcinoma” OR “HCC” OR “Liver Cancer” AND “Lenvatinib” AND “Sorafenib.” We queried databases from their search inception until February 10, 2023 without any restrictions on the language of publication. The search strategies are listed in Table S1.

All the studies were carefully screened and exported to the Mendeley Reference Manager used to handle searched citations. A manual cross‐checking was carried out to remove any duplicates. Two reviewers (V.J. and S.N.) reviewed the papers based on their titles and abstracts. Any disputes regarding the inclusion of studies were arbitrated by another author (A.J.).

Eligibility criteria

We included studies with adult patients aged ≥18 years. There was no restrictions on the language of publication. All randomized controlled trials (RCTs) as well as prospective and retrospective cohort studies were considered eligible for inclusion. It was decided to include studies with two arms so a that comparison could be made, with one arm consisting of patients on lenvatinib and the other consisting of patients on sorafenib. Those studies that compare patients with varying baseline characteristics and pathologies along with a head‐on comparison with data for efficacy outcomes were also eligible.

Studies performed on animals, reviews, case reports, case series, studies on patients <18 years, studies with a single arm or without HCC, and studies without outcomes of interest were excluded from the review.

Clinical outcomes

The primary outcome of this meta‐analysis was OS. The secondary outcomes were progression‐free survival (PFS), time to progression, objective response rate (ORR), and disease control rate (DCR).

Data extraction and quality assessment

Two authors (V.A. and D.M.) extracted the following data: study type, author, study location, study follow‐up duration, patient characteristics (number, age, gender, and comorbidities), and primary and secondary outcomes. We used the reported estimates when reported in the form of hazard ratios (HRs). If different estimates were available, we opted for HR with the most adjusted effect measure or propensity‐score‐matched data where available. Two investigators (V.J. and S.N.) independently appraised the potential risk of bias using the Newcastle‐Ottawa scale (NOS) for observational studies 12 and Robbin's risk‐of‐bias tools for RCTs. 13 We then classified studies as of low, moderate, or high quality based on the scores after evaluation.

Statistical analyses were performed by calculating the HR for time‐to‐event outcomes, using the random effects model, with a test for overall effect reported as the Z‐value, 95% confidence interval (CI), and the probability value (P‐value). Statistical significance was met if 95% CI did not cross “1” and P < 0.05. The heterogeneity among studies was assessed by Higgins's statistical model with I 2 values. As a guide, I 2 < 25% indicated low heterogeneity, 25–50% moderate heterogeneity, and >50% high heterogeneity. 14 Publication bias was assessed for primary outcomes with at least five studies using the graphical presentation of funnel plot asymmetry. 15 All statistical analyses were performed using Review Manager software (RevMan) Version 5.4.

Results

Baseline characteristics of patients in included studies

The initial search yielded 1332 articles, from which 253 duplicates were removed and 1034 were excluded after title and abstract screening. The full‐text review was performed on the remaining 45 studies, of which 32 studies were excluded from the final review and analysis for the following reasons: lack of appropriate comparison arm, wrong population, overlapped population, non‐HCC patients, or lack of outcome of interest. Finally, a total of 13 studies met the eligibility criteria and were included in the meta‐analysis. 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 The Preferred Reporting Items for Systematic Reviews and Meta‐Analyses (PRISMA) flow diagram is shown in Figure S1.

In summary, 13 studies with 3705 patients were included in the final analysis, of which 1635 patients were on lenvatinib and 2070 patients were on sorafenib. The mean age of the patients in both groups was comparable (66.81 ± 13.6 vs 65.9 ± 14.9 years). The number of males in the lenvatinib and sorafenib groups was 43.5% and 56.5%, respectively. Most of the patients had Barcelona Clinic liver cancer (BCLC) stage C, and most patients were in Child–Pugh stage A rather than stage B (Table 1). Besides, the the NOS score ranged from 7 to 9, indicating a high quality of all 12 included cohort studies, while the risk of bias for the only RCT was low (Tables S1 and S2).

Table 1.

Baseline demographics, comorbidities, and characteristics of studies included in the meta‐analysis

Author Sample Design Age Male ECOG 0/1 Hepatitis C/B BCLC stage B/C Child–Pugh class A/B
Kudo et al. 478/476 RCT 61.3/61.2 405/401 304:174/301:175 91:251/126:228 104:374/92:384 475:3/471:5
Kuzuya et al. 13/28 Cohort 70/67 11/21 12:1/18:10 2:2/8:8 0:13/0:28 13:0/28/0
Nakano et al. 146/146 Cohort 72/72 125/121 77:25/81:24 79:67/81:65 134:12/137:9
Tomonari et al. 52/52 Cohort 70/71 36/35 38:14/37:15 18:15/19:10 27:25/29:23 52:0/52/0
Choi et al. 44/88 Cohort 58/58 40/80 32:12/55:33 4:39/8:77 29:13/63:19
Burgio et al. 144/144 Cohort 111/119 114:30/114:30 67:22/70:31 36:108/36:108 137:7/134:10
Rimini et al. 92/92 Cohort 75/81 70:22/65:27 38:18/41:15 36:56/36:56 87:5/85:7
Lee et al. 22/44 Cohort 63.95/63.77 18/36 6:12/13:24 0:22/0:44 22:0/44:0
Kuo et al. 70/140 Cohort 65/65.7 50/100 22:36/34:75 14:56/25:115 68:2/138:2
Casadei et al. 385/555 Cohort 72.1/62.6 303/485 −/175:483 339:46/512:43
Park et al. 34/60 Cohort 62/65 29/52 170:52/169:236 1:29/4:52 30/56
Fukushima et al 110/110 Cohort 73/72 91/94 36:28/44:27 59:49/86:24 86:24/85:25
Terashima et al. 45/135 Cohort 70/69 33/96 36:8/106:22 22:11/59:34 39:6/11421

All data are arranged in the order lenvatinib/sorafenib.

Meta‐analysis of primary and secondary outcomes

Pooled analysis of the primary outcome showed that compared with the patients in the sorafenib group, those in the lenvatinib group were associated with significantly improved OS (HR 0.82, 95% CI: 0.69–0.97; P = 0.02, I 2 = 56%) (Fig. 1).

Figure 1.

Figure 1

Meta‐analysis showing the forest plot of primary outcome: Overall survival.

Pooled analysis of secondary outcomes showed that patients in the lenvatinib group were associated with significantly better PFS (HR 0.67, 95% CI: 0.57–0.78; P < 00001, I 2 = 62%) and time to progression (HR 0.49, 95% CI: 0.31–0.79; P = 0.004, I 2 = 61%) compared with those in the sorafenib group (Fig. 2a,b).

Figure 2.

Figure 2

Forest plot of secondary outcomes: (a) progression‐free survival, and (b) time to progression.

ORR and DCR were used to evaluate tumor treatment response. Pooled analysis showed that the lenvatinib group had significantly better ORR (OR 5.43, 95% CI: 3.71–7.97; P < 0.00001, I 2 = 59) and DCR (OR 2.35, 95% CI: 1.75–3.16; P < 00001, I 2 = 58%) than the sorafenib group (Fig. 3a,b).

Figure 3.

Figure 3

Forest plot of secondary outcomes: (a) objective response rate, and (b) disease control rate.

Subgroup analysis

Studies with a sample size >200 showed a significant difference between the groups, favoring lenvatinib over sorafenib in OS (HR 0.83, 95% CI: 0.71–0.95], P = 0.009, I 2 = 34%), whereas studies with a sample size <200 did not show any significant difference (HR 0.81, 95% CI: 0.51–1.30; P = 0.38, I 2 = 72%) (Fig. S2). However, there was no statistically significant difference in effect between the two subgroups (P = 0.95) (Fig. S2).

Regarding PFS, the lenvatinib group experienced significantly better outcomes in studies with sample sizes <200 (HR 0.65, 95% CI: 0.54–0.77; P < 00001, I 2 = 0%) and >200 (HR 0.68, 95% CI: 0.54–0.85, P = 0.0007, I 2 = 76%). There was no significant difference in effect between the subgroups (P = 0.74) (Fig. S3).

In terms of time to progression, subgroup analysis showed that studies with both sample sizes (<200 [HR 0.33, 95% CI: 0.12–0.93]; P = 0.04, I 2 = 61%) and >200) showed a significant difference, favoring lenvatinib over sorafenib (HR 0.63, 95% CI: 0.53–0.74; P < 00001). There was no statistically significant difference in effect between the two subgroups (P = 0.23) (Fig. S4).

For ORR, patients in studies with both sample sizes ([<200 (HR 6.49, 95% CI: 4.02–10.48; P < 00001, I 2 = 17%] and >200 [HR 4.86, 95% CI: 2.80–8.44; P < 00001, I 2 = 74%]) experienced a significant difference, favoring lenvatinib over sorafenib, with no statistically significant difference in effect between the subgroups (P = 0.44). In terms of DCR, subgroup analysis showed better outcomes in the lenvatinib group for both sample sizes (<200 [HR 3.33; 95% CI: 1.70–6.54, P = 0.0005, I 2 = 71%] and >200 [HR 1.99, 95% CI: 1.64–2.41, P < 00001, I 2 = 0%]). There was no significant difference between the two subgroups (P = 0.15) (Figs. S5 and S6).

To detect publication bias, we used a funnel plot, which appeared symmetrical with no evidence of bias (Fig. S7).

Discussion

The findings of this meta‐analysis show significant improvement in OS in advanced HCC patients treated with lenvatinib. PFS, ORR, and DCR were significantly higher in the lenvatinib group than the sorafenib group, thus demonstrating the beneficial effects of therapy with lenvatinib (Fig. 4).

Figure 4.

Figure 4

Central illustration showing the clinical findings among hepatocellular carcinoma patients on lenvatinib and sorafenib.

Mechanism of action

Lenvatinib is an FDA‐approved, multitargeted tyrosine kinase inhibitor (TKI) that is administered orally either as monotherapy for unresectable or advanced HCC), or in conjunction with additional treatments for other malignancies because of its potent anti‐angiogenic and antitumor properties. 23 , 24 Lenvatinib exhibits a pharmacokinetic profile characterized by peak plasma concentrations occurring 2–4 h after dosing, a large volume of distribution, and hepatic metabolism via the cytochrome P450 (CYP)3A4 enzyme system. The drug's half‐life is relatively long at 28 h. 25 Fecal excretion accounts for about two‐thirds of total elimination, while approximately one‐fourth is eliminated via urine. 26 These pharmacokinetic properties highlight the drug's potential for sustained therapeutic effects and suggest a need for close monitoring of hepatic function and drug interactions during therapeutic usage, which exerts its specific action through various receptors such as VEGF receptors (VEGFR), fibroblast growth factor receptors (FGFRs), platelet‐derived growth factor receptor‐alpha (PDGFR‐α), KIT, and RET, by binding to them, thereby preventing phosphorylation of their downstream targets and concomitantly suppressing the reaction cascade of aberrant cell proliferation. 25 VEGF and FGF signaling play crucial roles in sustained angiogenesis, invasion, and metastasis, which are hallmarks of carcinogenesis. Notably, lenvatinib's inhibition of VEGF and FGF signaling has anti‐angiogenic and immunomodulatory effects (Fig. 5). Lenvatinib leads to a conversion of the inherently immunosuppressive milieu of the tumor microenvironment into a state that actively stimulates the immune response. 27 , 28 , 29 , 30

Figure 5.

Figure 5

Mechanism of action for lenvatinib and sorafenib on tumor angiogenesis, cell proliferation, and survival in hepatocellular carcinoma.

Sorafenib exerts its pro‐apoptotic, anti‐angiogenic, and antitumor properties mainly through VEGFR. 31 It has no effect against FGFR1‐4, like lenvatinib.

Interpretation of findings

Our study showed benefits in terms of OS among patients in the lenvatinib group compared to those in the sorafenib group. The result obtained agrees with the OS outcomes in a study by Rimini et al. 19 In contrast, comparable outcomes in terms of OS were obtained in some studies. 12 , 13 , 22 , 32 , 33 Facciorusso et al. 34 conducted a previous meta‐analysis including five studies with a total of 1481 patients, which revealed no significant variation in OS between the two groups. However, unlike this study, Facciorusso et al.'s analysis considered only a limited number of studies with relatively small sample sizes, which may have resulted in uneven outcomes. 34 According to Sasaki et al. patients who received lenvatinib at a higher relative dose intensity (RDI) (>67%) at 8 weeks had substantially higher OS than those who had a lower RDI (<67%). 35

PFS is the period between the initiation of therapy or Phase III randomization to the onset of disease or death. 36 Although PFS and ORR have been proposed as potential alternatives to OS for emerging therapies in cancer studies, OS remains an objective primary endpoint to gauge these therapies. Before the introduction of more effective medications, both PFS and ORR might have been evaluated to see whether survival advantages were being consistently reflected. 37 This meta‐analysis demonstrated a significantly improved PFS with the use of lenvatinib compared to sorafenib in HCC patients. These findings are consistent with previous studies conducted by Rimini et al. 19 Burgio et al. 10 Tomonari et al. 22 and Kim et al. 33 Llovet et al. found that PFS is closely associated with OS at the trial level and that PFS with an HR threshold of ≤0.6 is a strong predictor of a noteworthy enhancement in OS. 38 Hatanaka et al. reported that PFS was shorter in patients with extrahepatic spread than those without extrahepatic spread. 36 Another retrospective investigation found that the pretreatment variables CP‐5A and a tumor size of 40 mm were relevant and that the prevalence of thyroid dysfunction and appetite loss was linked to a poorer PFS. 39 In addition, this study also highlights a remarkable improvement in DCR with lenvatinib in comparison to sorafenib, similar to the results obtained by Kuo et al. (62.3% vs 48.6%, P = 0.029), 18 Lee et al. 12 Rimini et al. (P = 0.002), 19 Nakano et al. (69% vs 46%; P < 0.0001), 14 and Kuzuya et al. (92.3% vs 35.7%; P = 0.0008). 21 All the results obtained thus far provide a better therapeutic advantage to lenvatinib than sorafenib regarding efficacy. The study conducted by Kim et al. was not incorporated into our meta‐analysis because of the absence of HRs for the key endpoints such as OS and PFS. 20 Similarly, the study by Lee et al. in 2022 was excluded from our analysis because it provided only median OS data presented in months, without accompanying HRs. Furthermore, their study did not furnish relevant information pertaining to PFS, ORR, and DCR. 12 These exclusions were made to maintain the robustness and accuracy of our analysis according to stringent scientific standards.

Limitation

The results of this meta‐analysis should be interpreted in the context of the following limitations. First, the majority of studies were observational, with just one RCT included; therefore, the risk of confounding bias cannot be ruled out. We could not perform regression and subgroup analyses because of the lack of data on the patient's baseline characteristics. Studies with a single arm or studies without outcomes of interest have not been considered to enable us to follow the inclusion criteria strictly.

Conclusion

Our study shows that lenvatinib is superior to sorafenib in regard to OS and PFS in patients with advanced HCC.

Supporting information

Table S1. Newcastle–Ottawa scale for quality and bias assessment of observational studies.

Figure S1. The Preferred Reporting Items for Systematic Reviews and Meta‐Analyses (PRISMA) flow diagram.

Figure S2. Subgroup analysis based on sample size for overall survival.

Figure S3. Subgroup analysis based on sample size for progression‐free survival.

Figure S4. Subgroup analysis based on sample size for time to progression.

Figure S5. Subgroup analysis based on sample size for objective response rate.

Figure S6. Subgroup analysis based on sample size for disease control rate.

Figure S7. Funnel plot for primary outcome.

Acknowledgment

Open access funding provided by IReL.

Disclosure of conflict of interest: Vikash Jaiswal serves as an Associate Editor in the European Journal of Medical Research, the European Heart Journal IMP, and Frontiers in Cardiology (Cardio‐Oncology). The other authors declare no conflict of interest.

Author contribution: Vikash Jaiswal contributed to the conception or design of the work. Vikash Jaiswal and Amira Mohamed Taha contributed to the acquisition, analysis, or interpretation of data. Vikash Jaiswal, Maha Hameed, Novonil Deb, Poulami Roy, Gautham Varun Krishna Mohan, Helen Huang, Vikash Kumar, Bhavyakumar Vachhani, Abdelrahman M Attia, and Sidra Naz drafted the manuscript. Vikash Jaiswal, Novonil Deb, Amira M Taha, Dattatreya Mukherjee, and Mostafa A Solimn critically revised the manuscript, gave final approval, and agreed to be accountable for all aspects of work, ensuring integrity and accuracy.

Financial support: None.

Statement of previous publication: The abstract of initial data was accepted for the ASCO conference and published in the Journal of Clinical Oncology (https://ascopubs.org/doi/abs/10.1200/JCO.2023.41.16_suppl.e16183).

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Associated Data

This section collects any data citations, data availability statements, or supplementary materials included in this article.

Supplementary Materials

Table S1. Newcastle–Ottawa scale for quality and bias assessment of observational studies.

Figure S1. The Preferred Reporting Items for Systematic Reviews and Meta‐Analyses (PRISMA) flow diagram.

Figure S2. Subgroup analysis based on sample size for overall survival.

Figure S3. Subgroup analysis based on sample size for progression‐free survival.

Figure S4. Subgroup analysis based on sample size for time to progression.

Figure S5. Subgroup analysis based on sample size for objective response rate.

Figure S6. Subgroup analysis based on sample size for disease control rate.

Figure S7. Funnel plot for primary outcome.


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