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A retrospective study of low-dose apatinib combined with S-1 in patients with advanced non-small cell lung cancer
Tong Zhou1, Changling Wu1, Changsong Zhang1
1Department of Medical Oncology, Changzhou Cancer Hospital of Soochow University, Changzhou 213000, China.
Background:
The current regimens for advanced non-small cell lung cancer (NSCLC) patients are deficient due to failings in standard treatments. This retrospective study aimed to assess the efficacy and safety of low-dose apatinib in combination with S-1 therapy in a NSCLC setting.
Methods:
In this retrospective study, advanced NSCLC patients who failed standard treatment in Changzhou Cancer Hospital of Soochow University were screened for eligibility. Progression-free survival (PFS) was set as the primary endpoint. Overall response rate (ORR), disease control rate (DCR), overall survival (OS), and the safety profile were considered to be the secondary endpoints.
Results:
A total of 31 eligible patients were included. The median PFS (mPFS) was 102 days (95% CI: 57-147 days). ORR was achieved in 7 patients (22.6%; 95% CI: 11.1-38.2%) and DCR was maintained in 23 patients (74.2%; 95% CI: 58.2-86.5%). The median OS (mOS) was 422 days (95% CI: 148-696 days). Patients with a history of smoking tended to have a shorter OS without significant differences (HR =4.105, 95% CI: 0.874-19.288, P=0.074). Treatment-related grade III toxicity was observed in 5 patients (16%) and common grade I or II adverse events (AEs) were fatigue (42%), hypertension (32%), and hand-foot-skin reaction (23%).
Conclusions:
Combination of low-dose apatinib and S-1 could be an effective and tolerable choice for advanced NSCLC patients who are unable to benefit from standard treatment; however, further exploration in larger clinical trials is needed.
Insights
Low-dose apatinib combined with S-1 shows promise for advanced non-small cell lung cancer (NSCLC) patients resistant to standard treatments. This combination therapy offers an effective and tolerable option, warranting further investigation in larger trials.
Area of Science:
- Oncology
- Pharmacology
Background:
- Advanced non-small cell lung cancer (NSCLC) presents treatment challenges with current standard regimens.
- Limited efficacy of existing therapies necessitates exploration of novel treatment combinations.
Purpose of the Study:
- To evaluate the efficacy and safety of low-dose apatinib in combination with S-1 therapy.
- To assess this combination in advanced NSCLC patients who have failed standard treatments.
Main Methods:
- Retrospective study design involving 31 eligible advanced NSCLC patients.
- Primary endpoint: Progression-Free Survival (PFS).
- Secondary endpoints: Overall Response Rate (ORR), Disease Control Rate (DCR), Overall Survival (OS), and safety profile.
Main Results:
- Median PFS was 102 days; ORR was 22.6%; DCR was 74.2%.
- Median OS was 422 days.
- Grade III toxicity observed in 16% of patients; common adverse events included fatigue, hypertension, and hand-foot-skin reaction.
Conclusions:
- Combination of low-dose apatinib and S-1 is a potentially effective and tolerable treatment for advanced NSCLC patients.
- Further validation in larger clinical trials is recommended to confirm these findings.
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