Trifluridine/tipiracil plus bevacizumab (FTD/TPI + BEV) and trifluridine/tipiracil (FTD/TPI) monotherapy in metastatic colorectal cancer (mCRC): Results of a meta-analysis.

Authors

null

Takayuki Yoshino

Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan

Takayuki Yoshino , Julien Taieb , Thierry Andre , Yasutoshi Kuboki , Per Pfeiffer , Amit Kumar , Howard S. Hochster

Organizations

Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan, Hôpital Européen Georges Pompidou, Paris Descartes University, Paris, France, Hôpital Saint-Antoine, Paris, France, National Cancer Center Hospital East, Kashiwa, Japan, Odense University Hospital, Odense, Denmark, SmartAnalyst India Pvt Ltd, Gurugram, Haryan, India, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ

Research Funding

Pharmaceutical/Biotech Company

Background: FTD/TPI is approved for patients (pts) with refractory mCRC. FTD/TPI + BEV has been evaluated in refractory mCRC in phase 1 and 2 trials and shown efficacy and tolerability, but few head-to-head studies compare FTD/TPI + BEV with FTD/TPI. We therefore conducted this meta-analysis to evaluate outcomes with FTD/TPI + BEV and FTD/TPI monotherapy in mCRC. Methods: We searched MEDLINE, Embase, and Cochrane Library databases; ASCO, ESMO, and AACR proceedings (past 3 years); Clinicaltrials.gov and UMIN registries; systematic review bibliographies; gray literature; and guidelines through June 2021 for studies involving pts with mCRC treated with FTD/TPI + BEV or FTD/TPI. Only randomized controlled trials (RCTs), non-RCTs, and prospective observational studies of previously treated pts with mCRC were evaluated. Outcomes included objective response rate (ORR), disease control rate (DCR), progression-free survival (PFS), overall survival (OS), adverse event (AE) rates, and AE-related discontinuation rates. Fixed and random effects models based on inverse-variance weighting were used to estimate relative effects and pooled absolute outcomes for ORR, DCR, AE rates, and AE-related discontinuation rates. PFS and OS were estimated from pooled Kaplan–Meier curves using Guyot’s algorithm. Results: Twenty-nine of 875 screened publications were selected, which included a total of 10,285 pts and reported on 5 RCTs, 11 non-RCTs, and 10 prospective observational studies. In an RCT (n = 93; Pfeiffer et al. Lancet Oncol. 2020), FTD/TPI + BEV was associated with significant reductions in risks for progression and death versus FTD/TPI. Pooled efficacy outcomes were higher with FTD/TPI + BEV than FTD/TPI (Table). Pooled rates for grade ≥3 febrile neutropenia, asthenia/fatigue, diarrhea, nausea, and vomiting were similar with FTD/TPI + BEV and FTD/TPI, although grade ≥3 neutropenia occurred more frequently with FTD/TPI + BEV than FTD/TPI (43% vs 29%). AE-related discontinuation rates were similar (Table). Conclusions: This meta-analysis suggests that FTD/TPI + BEV provides benefits over FTD/TPI in pts with refractory mCRC and has a similar safety profile, but it is associated with a higher rate of grade ≥3 neutropenia. Limitations of the analysis include study design heterogeneity. Data from RCTs (eg, phase 3 SUNLIGHT trial [NCT04737187]) are required to confirm these findings.

Pooled absolute outcome
FTD/TPI + BEV
FTD/TPI
ORR, % (no. of studies; sample size)
4 (6; 289)
2 (9; 2784)
DCR, % (no. of studies; sample size)
64 (6; 289)
43 (10; 2809)
Median PFS, mo (no. of studies; sample size)
4.2 (5; 244)
2.6 (6; 1781)
12-mo PFS, % (95% CI)
9 (6–14)
3 (2–4)
Median OS, mo (no. of studies; sample size)
9.8 (5; 244)
8.1 (6; 1814)
12-mo OS, % (95% CI)
38 (32–45)
32 (30–34)
AE-related discontinuations, % (no. of studies; sample size)
8 (5; 244)
7 (10; 3724)

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Abstract Details

Meeting

2022 ASCO Annual Meeting

Session Type

Poster Session

Session Title

Gastrointestinal Cancer—Colorectal and Anal

Track

Gastrointestinal Cancer—Colorectal and Anal

Sub Track

Colorectal Cancer–Advanced Disease

Citation

J Clin Oncol 40, 2022 (suppl 16; abstr 3568)

DOI

10.1200/JCO.2022.40.16_suppl.3568

Abstract #

3568

Poster Bd #

362

Abstract Disclosures