September 2026


Issue No. 31

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SPOTLIGHT

On August 25, 2026 the FDA approved zanidatamab‑hrii (Ziihera) with or without tislelizumab‑jsgr (Tevimbra) plus chemotherapy for metastatic HER2+ gastric, GEJ, or esophageal adenocarcinoma, regardless of PD‑L1 status. This new 1L standard of care achieved the longest survival to date in this setting (HERIZON‑GEA‑01). N Engl J Med. 2026;394(20):2002-2014.

  • OS: 26.4 vs 19.2 mo (triplet vs trastuzumab‑based) 
  • PFS: 12.4 vs 8.1 mo (triplet vs trastuzumab‑based)

OncoPulse Letter

If you missed our Special Edition OncoPulse Letter Newsletter, on “Acute Myeloid Leukemia in Community Oncology: FLT3 Testing and Treatment Insights” by Pankit Vachhani, MD, Associate Professor of Medicine at the University of Alabama at Birmingham featuring practical treatment insights for real‑world practice, you can still access it Click here​

 

CORNERSTONE HAPPENINGS

Our Integrated Nursing and Advanced Practice Provider (IN & APP) symposium was held virtually on August 20th, 2026, led by Dr. Edith A. Perez (CSN CMO), and our cochairs Meredith Angele, PA (Advocate Health Care) and Zach Krueger, PA, MSPA (Northwest Cancer Centers). The evening highlighted practice-changing clinical trial data, strategies for managing treatment-related side effects, and discussions on emerging topics shaping the future of oncology care. Through engaging presentations and interactive live polling, participants gained practical insights to help improve patient outcomes and further support high-quality care in the community setting.


We appreciate over 65 community-based oncology IN & APPs who joined us for the evening! Click here​

 

CLINICAL INVESTIGATION

We are pleased to share the successful completion of patient enrollment for the Daiichi Sankyo autonomous sponsored CSNDSI02 assessment: Retrospective Chart Review to Characterize Real-World Use, Clinical Outcomes, and Safety of Datopotamab Deruxtecan (Dato-DXd) in EGFR-Mutated NSCLC Following FDA Approval (June 23, 2025). 

✅ 16 participating sites 

✅ 100 patients enrolled 

BeOne Clinical Assessment: Advancing Real-World Evidence in CLL 

Cornerstone Clinical Investigations Alliance (CCIA) is launching a new real-world clinical assessment in collaboration with BeOne focused on patients with chronic lymphocytic leukemia (CLL). The study will enroll approximately 150 patients across 15 community oncology practices, providing important insights into real-world treatment patterns and outcomes in the community setting. We look forward to partnering with participating practices and contributing to meaningful real-world evidence to support patient care in the coming months. 

Interested in participating in our clinical investigations? Please contact Rachel M. Condjella, Ph.D. — Senior Director of Clinical Investigations & Market Insights rcondjella@cornerstoneonc.com 

2026 UPCOMING EVENTS

The inaugural Women Advancing Medicine (WAM) Symposium will be held on September 24th, bringing together leaders in community oncology to discuss issues affecting women in the field. The program will feature Marlo Blazer, PharmD (Columbus Oncology & Hematology) on the business of oncology, followed by a leadership panel with Edith A. Perez, MD, and a discussion led by Shruti Singh, MD (Northwest Cancer Centers) and Priya Rudolph, MD, PhD (Georgia Cancer Specialists) on advancing clinical practice and supporting future women leaders. 

Pre-register for UPCOMING EVENTS

Our upcoming virtual Business of Oncology will occur on October 1st. Click below to join the waitlist.

Our upcoming virtual ESMO Symposium will occur on December 3rd with our cochairs Dr. Edith A. Perez, Dr. Eric Schaefer, and Dr. Sujith Kalmadi highlighting key data presented at the 2026 ESMO Annual Meeting in Madrid, Spain from October 23rd-27th. Click below to join the waitlist.

2026 FALL SUMMIT

Cornerstone Specialty Network's National Fall Summit will be held on October 9-10, 2026 at the JW Marriott Miami, Turnberry, FL. The two-day live event will provide a focused forum to explore initiatives that strengthen the long-term viability of community oncology, foster meaningful engagement with key pharmaceutical industry partners, and promote high-value peer-to-peer collaboration.

CLINICAL UPDATES

New FDA Approvals



September 9, 2026

sevabertinib (Hyrnuo, Bayer Healthcare Pharmaceuticals Inc.)

locally advanced or metastatic non-squamous non-small cell lung cancer (NSCLC) whose tumors have HER2 (ERBB2) tyrosine kinase domain (TKD) activating mutations from SOHO-01. 


September 4, 2026  

camizestrant (Etcamah, AstraZeneca)

in combination with a CDK4/6 inhibitor for HR+, HER2- locally advanced or metastatic breast cancer upon detection of estrogen receptor-1 (ESR1) mutation during aromatase inhibitor and CDK4/6 inhibitor therapy from SERENA-6 trial. 


August 26, 2026

daraxonrasib (RASONQUE, Revolution Medicines, Inc.)

metastatic pancreatic adenocarcinoma after at least one prior systemic therapy or not eligible for multiagent systemic therapy from RASolute 302. 


August 25, 2026

zanidatamab-hrii (Ziihera, Jazz Pharmaceuticals)

in combination with fluoropyrimidine- and platinum-containing chemotherapy and tislelizumab-jsgr (Tevimbra, BeOne Medicines USA, Inc.) and in combination with fluoropyrimidine-, and platinum-containing chemotherapy, as first-line treatment for HER2+ (IHC 3+) unresectable locally advanced or metastatic gastric, gastroesophageal junction, or esophageal adenocarcinoma from HERIZON-GEA-01 trial. 


August 13, 2026

iberdomide (Zenbexus, Bristol-Myers Squibb Company)

in combination with daratumumab and hyaluronidase-fihj and dexamethasone for multiple myeloma after at least one prior line of therapy including a proteasome inhibitor and an immunomodulatory agent from EXCALIBER-RRMM. 


August 6, 2026

vusolimogene oderparepvec-wtpg (Tudriqev, Replimune, Inc.)

in combination with nivolumab for unresectable advanced cutaneous melanoma with disease progression on a programmed death receptor-1 (PD-1)-blocking antibody-based regimen from IGNYTE trial.  

Your News, Our Newsletter!

We want to hear from you! Share your exciting projects, upcoming events, or personal milestones with the Cornerstone Specialty Network community.

Follow us on LinkedIn to stay up to date with the latest happenings at Cornerstone! 

LinkedIn is much more than a platform for jobseekers and career development or building business relationships. Community oncologists can benefit enormously from being active on LinkedIn: it’s a low‑lift way to stay visible in a rapidly evolving field, connect with peers facing similar operational and clinical challenges, and access real‑time updates on trials, guidelines, and policy changes that directly affect community practice.  

Thank You

Cornerstone would like to take this opportunity to thank our select pharma partners for their support of our programs enabling us to provide unique opportunities to connect with our network, deliver key educational programs, and ultimately benefit patient care. 

 

Cornerstone Specialty Network LLC  •  P.O. Box 173, New Hope, PA


www.cornerstoneoncology.com