SynthesisJNCI cancer spectrum2024
Systematic literature review and meta-analysis of HER2 amplification, overexpression, and positivity in colorectal cancer.
Synthesis in JNCI cancer spectrum, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled 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.
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.
Who cites it
14 citing papers in PubMed, 1 synthesis or guideline pooled it, 16 citations in OpenAlex.
- The Utility of HER2 Overexpression in Prognosis of Gastric Cancer: A Systematic Review and Meta-Analysis Study.Cancer reports (Hoboken, N.J.) · 2026Pooled it
- Tucatinib plus trastuzumab for chemotherapy-refractory, HER2 + , RAS wild-type metastatic colorectal cancer (MOUNTAINEER): final analysis.Nature communications · 2026Trial
- Trastuzumab Plus Pertuzumab Versus Cetuximab Plus Irinotecan in Patients WithJournal of clinical oncology : official journal of the American Society of Clinical Oncology · 2025Trial
- Clinical significance of WES-defined ERBB2 amplification in resectable colorectal cancer.International journal of clinical oncology · 2026Article
- Colorectal Cancer: Epidemiology, Risk Factors, Signaling Pathways, Clinical Features, Screening, Diagnosis, and Management.MedComm · 2026Review
- Swarm intelligence-guided ROI selection for deep learning assessment of HER2 in colorectal cancer.Scientific reports · 2026Article
- Prognostic and Treatment-Specific Predictive Implications of HER2 Expression in RAS Wild-Type Metastatic Colorectal Cancer: A Multicenter Retrospective Real-World Study.Journal of clinical medicine · 2026Article
- Article
- Molecularly targeted photoacoustic endoscopy with fiber-scanning side-view probe for in vivo staging of early mucosal tumors.Biosensors & bioelectronics · 2025Article
- Radical treatment for metastasis of HER2-positive rectal adenocarcinoma to the liver: A case report and literature review.Oncology letters · 2025Article
- Druggable Molecular Networks inBiology · 2025Review
- Hallmarks of cancer resistance.iScience · 2024Review
- RAS/RAF Comutation and ERBB2 Copy Number Modulates HER2 Heterogeneity and Responsiveness to HER2-directed Therapy in Colorectal Cancer.Clinical cancer research : an official journal of the American Association for Cancer Research · 2024Article
- Advances in Precision Medicine Approaches for Colorectal Cancer: From Molecular Profiling to Targeted Therapies.ACS pharmacology & translational science · 2024Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundColorectal cancer (CRC) is the second most common cause of cancer death globally. Recent clinical trials suggest an emerging role for HER2 as a potential clinically relevant biomarker in CRC. Testing for HER2 in CRC is not standard practice; consequently, the prevalence of HER2 positivity (HER2+) in patients with CRC remains uncertain.
methodsA systematic literature review and meta-analysis were conducted to generate estimates of proportions of patients with CRC with HER2 overexpression or HER2 amplification and HER2+ (either overexpression or amplification), overall and in patients with rat sarcoma virus (RAS) wild-type cancer. HER2+ was defined as 1) immunohistochemistry with a score of 3+, 2) immunohistochemistry with a score of 2+ and in situ hybridization+, or 3) next-generation sequencing positive.
resultsOf 224 studies identified with information on HER2 in CRC, 52 studies used a US Food and Drug Administration-approved assay and were selected for further analysis. Estimated HER2+ rate was 4.1% (95% confidence interval [CI] = 3.4% to 5.0%) overall (n = 17 589). HER2+ rates were statistically higher in RAS wild-type (6.1%, 95% CI = 5.4% to 6.9%) vs RAS mutant CRC (1.1%, 95% CI = 0.3% to 4.4%; P < .0001). Despite limited clinical information, we confirmed enrichment of HER2+ CRC in patients with microsatellite stable and left-sided CRC.
conclusionThis meta-analysis provides an estimate of HER2+ CRC and confirms enrichment of HER2 in microsatellite stable, left-sided, RAS wild-type CRC tumors. Our work is important given the recently described clinical efficacy of HER2-targeted therapies in HER2+ CRC and informs strategies for incorporation of HER2 testing into standard of care.
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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.