PANKU-Breast01 Meets PFS Endpoint in HR+/HER2- Breast Cancer — verbatim KOL quotes + sources.">
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KOL Pulse

What's Hot in Hematology/Oncology

Daily DigestFriday, August 28, 2026

Leading today's oncology KOL conversation on X: HARMONi trial data for ivonescimab in EGFR+ NSCLC. The KOL Pulse Daily Digest: what verified physician voices are discussing on X across the major tumor types, ranked by engagement over the last 48 hours.

FDA Approval FDA Approves Rasonque (daraxonrasib), First RAS-Targeted Pill for Metastatic Pancreatic Cancer ↗
The FDA approved daraxonrasib, sold as Rasonque, on August 26 for adults with metastatic pancreatic adenocarcinoma previously treated with chemotherapy. In the RASolute 302 trial, median overall survival was 13.2 months versus 6.7 months with chemotherapy.

🫁Lung Cancer
HARMONi trial data for ivonescimab in EGFR+ NSCLC

The phase III HARMONi trial, published in Lancet Oncology, showed the investigational PD-1xVEGF bispecific antibody ivonescimab plus chemotherapy improved progression-free survival (6.8 vs 4.4 months; HR 0.52) and overall survival (16.8 vs 14.0 months; HR 0.79) in patients with EGFR-mutant NSCLC after progression on an EGFR TKI. Other research identified four distinct molecular groups in lung neuroendocrine neoplasms, including a highly aggressive 'supra-carcinoid' subtype. An upcoming WCLC26 presentation will show that in resectable NSCLC patients with a pCR after neoadjuvant immunochemotherapy, dissecting 3–6 nodal stations predicted better DFS.

ivonescimabHARMONiEGFRNSCLClung neuroendocrine neoplasmsWCLC26
@LeXiuning

“Progression-free survival: 6.8 vs 4.4 months, HR 0.52”

— @LeXiuning · HARMONi trial · View post ↗
📌 Amplified by @KolPulseAI
@OncoThor

“There arefour strikingly different molecular groups that vary in patient characteristics, genomic and transcriptomic profiles, microenvironment, and morphology.”

— @OncoThor · Lung NEN profiling · View post ↗
📌 Amplified by @KolPulseAI
@HHorinouchi

“In pCR pts: 3–6 dissected nodal stations (not LN count) predicted better DFS vs <3 or >6 stations”

— @HHorinouchi · Nodal assessment in NSCLC · View post ↗
🎗️Breast Cancer
PANKU-Breast01 Meets PFS Endpoint in HR+/HER2- Breast Cancer

The phase III PANKU-Breast01 trial of the investigational agent iza-bren (Yizekang®) met its primary endpoint of progression-free survival (PFS) in a pre-specified interim analysis for patients with HR+/HER2- breast cancer. Separately, the breast oncology community is discussing the updated ASCO guideline for HR+/HER2- early breast cancer, with questions remaining about the optimal timing, treatments, and tools for risk estimation.

Iza-brenPANKU-Breast01ASCO guidelinesKRAS
@raffcolo

“Iza-bren (Yizekang®) met primary endpoint (PFS) in a pre-specified interim analysis of the PANKU-Breast01 (aka BL-B01D1-306) trial for patients with HR+/HER2- breast cancer.”

— @raffcolo · PANKU-Breast01 Trial · View post ↗
📌 Amplified by @KolPulseAI
@dr_yakupergun

“I’ve spent two days reviewing @ASCO ’s updated HR+/HER2− eBC guideline, yet key questions remain: when, under which treatments, and with which tool should risk be estimated?”

— @dr_yakupergun · ASCO HR+/HER2- eBC Guideline · View post ↗
📌 Amplified by @KolPulseAI
@DrYukselUrun

“Better treatments have pushed progression further away for many patients with HER2-positive breast cancer.”

— @DrYukselUrun · HER2+ Breast Cancer Progress · View post ↗
🔵GI Cancers
FDA approves daraxonrasib for metastatic pancreatic cancer

The U.S. FDA approved daraxonrasib for adults with metastatic pancreatic adenocarcinoma who have received at least one prior systemic therapy or are not candidates for multiagent systemic therapy. Discussion in the GI oncology community is focused on the label's breadth, particularly the 'not candidates for multi-agent systemic therapy' clause, which may extend its use into the first-line setting for certain patients unfit for chemotherapy. Separately, BioNTech has ended a Phase 2 clinical trial in colorectal cancer.

daraxonrasibpancreatic cancerRASRASolute 302
@dr_yakupergun

“The label includes patients who received ≥1 prior systemic therapy, consistent with RASolute 302, but also patients who are “not candidates for multi-agent systemic therapy.” Does this effectively extend the approval into the first-line setting for patients considered unfit for multi-agent chemotherapy?”

— @dr_yakupergun · Daraxonrasib approval label · View post ↗
📌 Amplified by @KolPulseAI
@VivekSubbiah

“⭐️Really loving the wording in the daraxonrasib FDA approval. Clear autonomy for physicians, centered on patient needs. 👉🏼“The approval is for the treatment of adults with metastatic pancreatic adenocarcinoma who have received at least one prior systemic therapy or are not candidates for multiagent systemic therapy””

— @VivekSubbiah · Daraxonrasib FDA approval · View post ↗
@mukundiyngr

“The only downside here is the price.. At ~$40k/mo supply, that's $480k/year.”

— @mukundiyngr · Daraxonrasib cost · View post ↗
📌 Amplified by @KolPulseAI
@ilyassahinMD

“One day after daraxonrasib’s FDA approval, a new study suggests another way to block RAS signaling, a major cancer driver.”

— @ilyassahinMD · RAS signaling research · View post ↗
📌 Amplified by @KolPulseAI
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🔷GU Cancers
Prostate RT Regimen Shortened; KEYNOTE-564 OS Data Matures

A Korean phase 3 trial in post-prostatectomy salvage radiotherapy showed moderate hypofractionation (65 Gy/26 fx) provides comparable 4-year biochemical progression-free survival to conventional fractionation (80.1% vs 78.1%). Newly published 5-year follow-up data from the KEYNOTE-564 trial also continues to show an overall survival benefit for adjuvant pembrolizumab in kidney cancer.

salvage radiotherapyhypofractionationKEYNOTE-564pembrolizumabLU-EBRT¹⁷⁷Lu-PSMA
@Adam_Weiner535

“🚨 Salvage RT after prostatectomy in 26 visits instead of 33: same cancer control 🚨”

— @Adam_Weiner535 · Prostate Cancer Radiotherapy · View post ↗
@DrChoueiri

“The 5-year follow-up from KY-564 now published in @Annals_Oncology --the first ever adjuvant trial in Kidney cancer continues to show a survival benefit now with OS at 5+years and in key subgroups!”

— @DrChoueiri · Adjuvant Kidney Cancer · View post ↗
📌 Amplified by @KolPulseAI
@GenevieveLOOS12

“On the agenda: the LU-EBRT trial — neoadjuvant ¹⁷⁷Lu-PSMA + EBRT in high-risk prostate cancer.”

— @GenevieveLOOS12 · Prostate Cancer Theranostics · View post ↗
🟣Multiple Myeloma & Plasma Cell Disorders
Serum Free Light Chain Assays Not Interchangeable

A new publication in Clinical Lymphoma, Myeloma & Leukemia analyzing 2,117 paired samples found that the Binding Site Freelite and Siemens N Latex FLC serum free light chain assays are not interchangeable for individual patients at IMWG thresholds. Despite a strong correlation, the platforms differ in antibody design, calibration, and detection methods, which can influence reported values.

Serum Free Light Chain AssaysCAR-TBispecificsADCNewly Diagnosed Multiple Myeloma
@Abdallah81MD

“The clinical message: strong correlation between assays does not mean they are interchangeable for individual patients.”

— @Abdallah81MD · Serum Free Light Chain Assays · View post ↗
🩸Leukemia & Lymphoma
Focus on Lymphoma Survivorship and Myelofibrosis Data

Multiple studies are highlighting bone health as a key survivorship issue in lymphoma, with data showing an increased risk of osteoporosis following first-line therapies and investigations into prophylaxis with agents like alendronate. Separately, final results from a Phase 2 trial of ruxolitinib plus azacitidine (RUXO+AZA) in patients with myelofibrosis were published.

Bone HealthLymphomaHodgkin lymphomaMyelofibrosisRuxolitinibAzacitidineAMLMRD
@mtmdphd

“Increased risk of osteoporosis following commonly used first-line treatments for lymphoma: a Danish Nationwide Cohort Study”

— @mtmdphd · Lymphoma Survivorship · View post ↗
@doctorpemm

“👉👉👉Important brand new MPN paper alert 🚨 Final results ph2 RUXO+AZA for patients with Myelofibrosis led by Dr .@sankalparoraMD & Dr @MDmasarova & Dr .@Daver_Leukemia”

— @doctorpemm · Myelofibrosis · View post ↗
@DrRaulCordoba

“4️⃣ long-term toxicity and #survivorship”

— @DrRaulCordoba · Survivorship · View post ↗
Compiled and reviewed by the KOL Pulse research team, led by Brian Shields, Founder, KOL Pulse. Quotes are verbatim from physicians' public posts on X and cross-checked by an automated audit. Last updated August 28, 2026.