Evidence map›Paper›PMID 32704531›Full record

ArticleNPJ breast cancer2020

Immunostimulatory and anti-tumor metronomic cyclophosphamide regimens assessed in primary orthotopic and metastatic murine breast cancer.

Kabir A Khan, José L Ponce de Léon, Madeleine Benguigui, Ping Xu, Annabelle Chow, William Cruz-Muñoz, Shan Man, Yuval Shaked, Robert S Kerbel

Open access · goldAbstract read
In one paragraph

Article in NPJ breast cancer, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
2.3field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

29 citing papers in PubMed, 39 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 2 institutions in 2 countries.

Kabir A KhanBiological Sciences Platform, Sunnybrook Research Institute, Toronto, Canada.ORCID 0000-0001-8453-3485
José L Ponce de LéonBiological Sciences Platform, Sunnybrook Research Institute, Toronto, Canada.ORCID 0000-0003-3688-586X
Madeleine BenguiguiCell Biology and Cancer Science, Rappaport Faculty of Medicine, Technion, Haifa Israel.
Ping XuBiological Sciences Platform, Sunnybrook Research Institute, Toronto, Canada.
Annabelle ChowBiological Sciences Platform, Sunnybrook Research Institute, Toronto, Canada.
William Cruz-MuñozBiological Sciences Platform, Sunnybrook Research Institute, Toronto, Canada.
Shan ManBiological Sciences Platform, Sunnybrook Research Institute, Toronto, Canada.
Yuval ShakedCell Biology and Cancer Science, Rappaport Faculty of Medicine, Technion, Haifa Israel.
Robert S KerbelBiological Sciences Platform, Sunnybrook Research Institute, Toronto, Canada.
Sunnybrook Health Science Centre · CARappaport Family Institute for Research in the Medical Sciences · IL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The impressive successes of immune checkpoint blockade antibodies to treat various types of cancer are limited to minor subsets of patients. Combination therapy strategies, including with chemotherapy, are being explored to possibly improve the efficacy of immunotherapies. Here we report results regarding the use of an immunostimulatory regimen of metronomic cyclophosphamide (CTX). We show that in orthotopic models of syngeneic murine triple-negative breast cancer (EMT6), CTX administered at 140 mg/kg every 6 days (CTX140 1q6d) is superior at inhibiting primary tumor growth when compared to maximum tolerated dose or daily oral (continuous) low-dose CTX. In SCID or SCID beige mice, anti-tumor effects of CTX140 1q6d are reduced, reinforcing the therapeutic contribution of the adaptive and innate immune systems. In a second breast cancer model (SP1-AC2M2), CTX140 1q6d again showed clear superiority in anti-tumor effects, causing complete tumor regressions; however, these mice were not protected from subsequent tumor re-challenge, suggesting absence of immune memory. We also show that in an aggressive and metastatic cisplatin-resistant variant (EMT6-CDDP), CTX140 1q6d is superior and invokes an influx of intra-tumoral CD4

Indexed as

Breast cancerCancer immunotherapyCancer modelsChemotherapy

Identifiers

PMID32704531
PMCPMC7371860
OpenAlexW3043321283

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.