Observational studyJournal of surgical oncology2026
Outcomes After Intratumoral Delivery of Immunotherapy in Breast Cancer.
Observational study in Journal of surgical oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 5 registered trials, which are not on this map. Not yet cited in PubMed.
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.
I-SPY Trial (Investigation of Serial Studies to Predict Your Therapeutic Response With Imaging And moLecular Analysis 2)
A Phase 1/2 Study of Talimogene Laherparepvec in Combination With Neoadjuvant Chemotherapy in Triple Negative Breast Cancer
A Pilot Study Utilizing a HER2 Directed Dendritic Cell Vaccine During Neoadjuvant Therapy of HER2+ Breast Cancer
A Phase II Study of Human Epidermal Growth Factor Receptor 2 (HER-2) Directed Dendritic Cell (DC1) Vaccine Plus Weekly Paclitaxel, Trastuzumab and Pertuzumab in Patients With HER-2 Positive Breast Cancer
Phase 1 Dose-Escalation, Dose-Expansion Trial of Intratumoral HER2- and HER3-Primed Dendritic Cells Injections for the Treatment of Early-Stage TNBC and ER Low Positive Breast Cancer (DecipHER)
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundImmunotherapy is a growing treatment option for challenging breast cancer (BC) subtypes. Systemic administration can have significant adverse events (AEs), prompting interest in intratumoral injection. We evaluated the safety and feasibility of intratumoral injections at our institution.
methodsThis is an IRB-approved retrospective review of neoadjuvant patients who received intratumoral talimogene laherparepvec (TVEC) (NCT02779855) for triple negative breast cancer (TNBC), dendritic cells (DC1) for HER2+ (NCT05325632), HER2 + /ER- (NCT03387553), or TNBC (NCT05504707), or Voyager V1 virus (VV1) (NCT01042379) for high-risk lesions on ISPY2. This study outlines the safety and feasibility of intratumoral injections assessed by AEs, adherence to therapy, and ultrasound guidance.
resultsThe study included 111 female patients (mean age 51; range 26-80). Forty-seven (42.3%) received TVEC, 62 (55.9%) received DC1, and 2 (1.8%) received VV1. Three patients missed one injection; 110 patients had ultrasound-guided injections. Mean neoadjuvant therapy length was 172 days (range 127-244). Local AEs included pain (20.7%), injection site reaction (27.9%), and hematoma (5.4%). Systemic AEs were reported more frequently, most commonly chills (52.3%), headache (39.6%), and fever (36.8%). DISCUSSION: Intratumoral IT injection is a viable treatment option that may minimize systemic exposure while maintaining therapeutic efficacy. Breast surgeons can play a role in intratumoral IT in BC.
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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.