ArticleMedComm2025
Combined pyrotinib and fulvestrant for hormone receptor-positive and HER2-positive metastatic breast cancer: A multicenter, single-arm, phase II trial.
Article in MedComm, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04034589 (Phase II Study of Pyrotinib in Combination With Fulvestrant in Patients With Human Epidermal Growth Factor Receptor 2), which is not on this map. Cited by 5 papers.
What it found
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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.
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.
Phase II Study of Pyrotinib in Combination With Fulvestrant in Patients With Human Epidermal Growth Factor Receptor 2 (HER2) Positive，Hormone Receptor（HR）-Positive Metastatic Breast Cancer
Who cites it
5 citing papers in PubMed.
- Liensinine-loaded extracellular vesicles mitigate osteoporosis through inhibition of NF-κB signaling and calcium oscillations in osteoclasts.Molecular and cellular biochemistry · 2026Article
- Advances in the study of pyrotinib for the treatment of HER2-positive breast cancer.Breast cancer research : BCR · 2026Review
- Exploring the optimal cutoff point and genomic characteristics for PARP inhibitor maintenance therapy in early recurrence of ovarian cancer.Journal of ovarian research · 2026Article
- Article
- Application status and research progress of targeted therapy drugs for hormone receptor-positive breast cancer.Frontiers in medicine · 2025Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
21 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This multicenter, single-arm, phase II clinical trial (NCT04034589) evaluated the efficacy and safety of pyrotinib combined with fulvestrant in patients with HR-positive/HER2-positive metastatic breast cancer who had experienced trastuzumab treatment failure. A total of 46 patients were enrolled, receiving pyrotinib orally once daily and fulvestrant intramuscularly on days 1 and 15 of cycle 1, followed by monthly doses on day 1. The primary endpoint was progression-free survival (PFS), while secondary endpoints included overall survival (OS), objective response rate (ORR), disease control rate (DCR), and safety. The median PFS was 18.2 months (95% CI, 11.9-31.1) overall, 19.5 months (95% CI, 10.6-NA) for those receiving the combination as first-line therapy, and 18.4 months (95% CI, 16.7-NA) for patients with brain metastases. Median OS was not reached, with a 3-year OS rate of 75.2% (95% CI, 62.8-90.2%). The ORR was 32.5%, and the DCR was 97.5%. Responses were observed in patients with low tumor mutation burden and
Identifiers
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Registered trials
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.