Evidence map›Paper›PMID 42576445›Full record

ArticleCancer medicine2026

Comparison of Thrombocytopenia and Splenomegaly in Locally Advanced Rectal Cancer Patients Receiving Total Neoadjuvant Therapy With and Without Immunotherapy.

Shuwen Li, Mingxu Yan, Qiong Ma, Yiqun Sun, Zhen Zhang, Lijun Shen, Juefeng Wan, Hui Zhang, Ruiyan Wu, Fan Xia and 1 more

Abstract readComparative Study
In one paragraph

Article in Cancer medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

11 authors.

Shuwen LiDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.ORCID https://orcid.org/0009-0009-9373-3767
Mingxu YanDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.ORCID https://orcid.org/0009-0001-2275-8774
Qiong MaDepartment of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
Yiqun SunDepartment of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
Zhen ZhangDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.ORCID https://orcid.org/0000-0001-7825-2679
Lijun ShenDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.
Juefeng WanDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.
Hui ZhangDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.
Ruiyan WuDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.
Fan XiaDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.
Yaqi WangDepartment of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.

Funding

National Natural Science Foundation of China 82473237
6 · The paper itself

Abstract

backgroundThrombocytopenia is a common toxicity of oxaliplatin-based chemotherapy and may be linked to hepatic sinusoidal obstruction and splenic enlargement. In the TORCH trial, adding PD-1 blockade to an oxaliplatin-containing total neoadjuvant therapy (TNT) regimen improved tumor response in patients with locally advanced rectal cancer (LARC), but thrombocytopenia appeared more frequent and more severe. Here, we evaluated whether adding PD-1 blockade to TNT increased thrombocytopenia risk and explored its association with hepatic injury and splenomegaly.

methodsWe retrospectively reviewed 181 LARC patients treated at Fudan University Shanghai Cancer Center. The cohort included 44 patients who received long-course chemoradiotherapy (LCRT) followed by oxaliplatin-containing chemotherapy (Ox-TNT), 41 who received LCRT followed by irinotecan-based chemotherapy (Iri-TNT), and 96 who received short-course radiotherapy plus six cycles of CAPOX and toripalimab (iTNT). We collected serial blood test results and measured liver and spleen volumes before and after treatment. Thrombocytopenia was graded according to CTCAE v5.0.

resultsAmong 181 patients, thrombocytopenia occurred in 118 (65.2%), and splenomegaly in 69 (38.1%). Both events were most frequent in iTNT group, with incidences of 83.3% and 61.5%, respectively. Rates were lower in Ox-based TNT group (50.0% and 13.6%) and in Iri-based TNT group (39.0% and 9.8%), respectively. Platelet count showed an inverse correlation with both increased AST level (p < 0.001) and splenic volume (p < 0.001). In multivariate analysis, iTNT (p = 0.002), splenomegaly (p = 0.003), and older age (p = 0.004) were independently associated with G2-4 thrombocytopenia. Factors that independently predicted splenomegaly included iTNT (p < 0.001), direct bilirubin (p = 0.031), hepatomegaly (p = 0.032), and AST (p = 0.032). In the iTNT group, splenomegaly (p = 0.009) and older age (p = 0.033) remained associated with G2-4 thrombocytopenia. Lower CD8

conclusionsPD-1 blockade added to TNT was associated with more severe thrombocytopenia than conventional TNT in LARC patients, possibly through greater hepatic injury and splenomegaly.

Indexed as

Antineoplastic Combined Chemotherapy ProtocolsNeoadjuvant TherapyRectal NeoplasmsSplenomegalyThrombocytopeniaAdultAgedFemaleHumansIrinotecanMaleMiddle AgedOxaliplatinRetrospective StudiesIrinotecanOxaliplatinimmunotherapylocally advanced rectal cancersplenomegalythrombocytopeniatotal neoadjuvant therapy

Identifiers

PMID42576445
PMCPMC13458283

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.