Evaluating Oral Probiotic Supplements as Complementary Treatment in Advanced Lung Cancer Patients Receiving ICIs: A Prospective Real-World Study

Cancer Control. 2024 Jan-Dec:31:10732748241253959. doi: 10.1177/10732748241253959.

Abstract

Objective: To evaluate the effectiveness of oral probiotic supplements in patients undergoing immune checkpoint inhibitors (ICIs) for the treatment of advanced lung cancer.

Methods: This prospective real-world study enrolled patients with advanced lung cancer who were receiving ICIs as part of their treatment. The patients were divided into 2 groups: Group OPS received oral probiotic supplements along with ICIs, while Group C did not. The primary endpoint was progression-free survival (PFS). The secondary outcome measure was the objective response rate (ORR).

Results: A total of 253 patients were included in the study, with 71 patients in Group OPS and 182 patients in the control group (Group C). No significant differences were observed in the median PFS between the 2 groups for all patients. However, for small cell lung cancer (SCLC) patients, the median PFS was significantly better in the Group OPS compared to the Group C (11.1 months vs 7.0 months, P = .049). No significant differences were observed in median PFS for the non-small cell lung cancer (NSCLC) cohort between the 2 groups, but a trend towards better median PFS in Group OPS was noticed (16.5 months vs 12.3 months, P = .56). The ORR for the entire cohort was 58.0%.

Conclusion: Oral probiotics supplements in combination with ICIs included regimen may improve the outcome in patients with advanced SCLC. The above points should be proved by further study.

Keywords: advanced lung cancer; immune checkpoint inhibitors; oral probiotics; real-world study.

Plain language summary

This study examined whether the addition of oral probiotic supplements to ICIs could enhance the treatment of advanced lung cancer. A total of 253 patients with advanced lung cancer were involved in the study, with some receiving probiotics in combination with ICIs and others not. The findings revealed that patients with SCLC who took probiotics had significantly better PFS compared to those who did not. Additionally, there was a tendency towards enhanced PFS in NSCLC patients who received probiotics. In conclusion, the study indicates that incorporating oral probiotics with ICIs may lead to better outcomes for patients with advanced SCLC, although further research is necessary to validate these results.This real world study explores whether oral probiotic supplements along with immune checkpoint inhibitors (ICIs) can help treat advanced lung cancer. The study included 253 patients with advanced lung cancer receiving ICIs treatment, part of them taking probiotics along with ICIs. The results showed that patients with small cell lung cancer (SCLC) who took probiotics had better progression-free survival (PFS) compared to those who didn't. There was also a trend towards better PFS in non-small cell lung cancer (NSCLC) patients who took probiotics. Overall, the study suggests that taking oral probiotics along with ICIs may improve outcomes for patients with advanced SCLC, but more research is needed to confirm these findings.

MeSH terms

  • Administration, Oral
  • Adult
  • Aged
  • Carcinoma, Non-Small-Cell Lung / drug therapy
  • Carcinoma, Non-Small-Cell Lung / mortality
  • Carcinoma, Non-Small-Cell Lung / pathology
  • Carcinoma, Non-Small-Cell Lung / therapy
  • Complementary Therapies / methods
  • Dietary Supplements
  • Female
  • Humans
  • Immune Checkpoint Inhibitors* / administration & dosage
  • Immune Checkpoint Inhibitors* / therapeutic use
  • Lung Neoplasms* / drug therapy
  • Lung Neoplasms* / mortality
  • Lung Neoplasms* / pathology
  • Lung Neoplasms* / therapy
  • Male
  • Middle Aged
  • Probiotics* / administration & dosage
  • Probiotics* / therapeutic use
  • Progression-Free Survival
  • Prospective Studies
  • Small Cell Lung Carcinoma / drug therapy
  • Small Cell Lung Carcinoma / mortality
  • Small Cell Lung Carcinoma / pathology
  • Small Cell Lung Carcinoma / therapy

Substances

  • Immune Checkpoint Inhibitors