Charles E Geyer
NRG Oncology
Built from public records under this name as ClinicalTrials.gov spells it. A name can belong to more than one person, so each section says how its rows were tied to this name. No contact details are shown.
Trials
Studies that name Charles E Geyer as principal investigator, study chair or study director, newest first. Live from ClinicalTrials.gov, fetched 2026-11-12 12:00 UTC. Open this list on ClinicalTrials.gov
- Ph3NCT03199885 · Testing the Drug Atezolizumab or Placebo With Usual Therapy in First-Line HER2-Positive Metastatic Breast CancerNational Cancer Institute (NCI) · terminated · Metastatic Breast Adenocarcinoma, Metastatic HER2-Positive Breast Carcinoma, Recurrent Breast Adenocarcinoma · principal investigator
Grants
NIH projects from RePORTER, fetched 2026-11-12 12:00 UTC. A project is listed only when its grant number is on one of the trials above, or when the awardee institution matches an affiliation the registry gives for this name. 1 other NIH projects list an investigator with the same name at a different institution and are left out. Coverage is US federal funding only; UK and EU funders are not searched yet.
No NIH project could be tied to this name by a shared trial or a matching institution.
NIH grants that fund their trials
These grant numbers are on the registry records of the trials above. They fund the trial, often through a cooperative group or network, and their principal investigator is usually someone else.
- NRG Oncology Network Group Operations CenterU10CA180868 · NCI · NRG ONCOLOGY FOUNDATION, INC. · PI Quynh-Thu Xuan Le, ROBERT S. MANNEL, NORMAN WOLMARK · fiscal years 2014 to 2026Named on NCT03199885
Most cited trial papers
Clinical-trial papers with this author name in breast cancer, ranked by citations from NIH iCite, fetched 2026-11-12 12:00 UTC. The ranking covers the 200 most relevant of 80 PubMed records, and a shared surname and initials can bring in a namesake. All 80 on PubMed
- 4,157 citationsRCR 88.8
- Lapatinib plus capecitabine for HER2-positive advanced breast cancer.N Engl J Med · 20062,596 citationsRCR 55.2
- Trastuzumab Emtansine for Residual Invasive HER2-Positive Breast Cancer.N Engl J Med · 20192,077 citationsRCR 85.1
- Adjuvant Chemotherapy Guided by a 21-Gene Expression Assay in Breast Cancer.N Engl J Med · 20181,861 citationsRCR 66.8
- Adjuvant Olaparib for Patients with BRCA1- or BRCA2-Mutated Breast Cancer.N Engl J Med · 20211,410 citationsRCR 78.5
- Preoperative chemotherapy: updates of National Surgical Adjuvant Breast and Bowel Project Protocols B-18 and B-27.J Clin Oncol · 20081,382 citationsRCR 32.4
- Prospective Validation of a 21-Gene Expression Assay in Breast Cancer.N Engl J Med · 20151,025 citationsRCR 31.5
- 759 citationsRCR 21.2
- 732 citationsRCR 16.9
- 633 citationsRCR 20.6