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Overall Survival with Amivantamab–Lazertinib in EGFR-Mutated Advanced NSCLC

The phase 3 MARIPOSA trial compared amivantamab–lazertinib (Ami-Laz) to osimertinib (Osi) in untreated EGFR-mutated advanced non-small cell lung cancer (NSCLC), showing a significant overall survival (OS) benefit for Ami-Laz (3-yr OS was 60% vs 51%). Median OS was not reached for Ami-Laz vs 36.7 months for Osi, with a projected >12-month median OS advantage. Ami-Laz also improved time to symptomatic progression (43.6 vs 29.3 months) and showed durable intracranial control, though grade ≥3 adverse events (AEs) were higher (80% vs 52%), notably skin, venous thromboembolism (VTE), and infusion reactions. In short, Ami-Laz is emerging as a new standard for first-line EGFRm NSCLC, but we’ll need to be proactive about managing its toxicity profile in clinic and whether this is superior or equivalent to Osi + chemo is currently unclear.

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Low-Dose Aspirin for PI3K-Altered Localized Colorectal Cancer

The ALASCCA phase III trial randomized patients with resected stage I-III rectal or stage II-III colon cancer and PI3K pathway alterations to adjuvant aspirin (160 mg daily) or placebo for 3 years. In those with PIK3CA mutations, aspirin significantly reduced 3-year recurrence (~7.5% vs ~15%) and improved 3-year DFS (~90% vs 80%). Severe AEs were higher with aspirin (16.8% vs 11.6%), but the number needed to treat (NNT) to prevent one recurrence was as low as 6 in stage III rectal cancer. For our colorectal cancer (CRC) patients with PI3K pathway mutations, adjuvant aspirin looks like a practical, low-cost targeted option worth considering in routine care. This may make more sense than celecoxib as the long-term risk of aspirin use is more defined, and the cardiovascular benefits may also be applicable to some patients.

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Phase III Trial of Pirtobrutinib Versus Idelalisib/Rituximab or Bendamustine/Rituximab in Covalent Bruton Tyrosine Kinase Inhibitor–Pretreated Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (BRUIN CLL-321)

Pirtobrutinib improved progression-free survival (PFS) to 14 months compared to 8 months with Idelalisib/Rituximab or Bendamustine/Rituximab (IdelaR/BR), with a hazard ratio of 0.54, in patients with chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL) who had previously been treated with covalent BTK inhibitors (cBTKi). It also demonstrated favorable tolerability. With acalabrutinib and venetoclax emerging as preferred first-line therapies, Pirtobrutinib represents a strong second-line option for eligible patients.

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Pasritamig, a First-in-Class, Bispecific T-Cell Engager Targeting Human Kallikrein 2, in Metastatic Castration-Resistant Prostate Cancer: A Phase I Study

Pasritamig was administered to patients who had received a median of four prior lines of systemic therapy. It was well tolerated, with manageable adverse events, making it suitable for outpatient administration. The treatment showed a median radiographic progression-free survival of 7.85 months, and 14 out of 33 participants achieved a ≥50% reduction in baseline PSA levels. So, stay tuned.

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Adagrasib versus docetaxel in KRASG12C-mutated non-small-cell lung cancer (KRYSTAL-12): a randomised, open-label, phase 3 trial

Adagrasib demonstrated a median progression-free survival (PFS) of 5.5 months compared to 3.8 months with docetaxel in patients with KRAS G12C-mutated tumors. Treatment-related adverse events occurred in 47% of patients receiving Adagrasib and 46% in the docetaxel group. In my experience, Adagrasib is also more tolerable, making it a favorable option for this patient population.

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Lisocabtagene Maraleucel Versus Standard of Care for Second-Line Relapsed/Refractory Large B-Cell Lymphoma: 3-Year Follow-Up From the Randomized, Phase III TRANSFORM Study

CAR-T therapy outperformed standard of care (SOC) as a second-line treatment, with progression-free survival (PFS) not reached in the CAR-T group compared to 6.2 months in the SOC group. Despite two-thirds of patients crossing over, CAR-T still demonstrated a three-year overall survival rate of 63%, versus 52% with SOC. These are impressive and durable results. The SOC regimen consisted of three cycles of chemoimmunotherapy followed by high-dose chemotherapy and autologous stem cell transplant. This positions CAR-T as a viable second-line option for eligible patients.

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Vepdegestrant, a PROTAC Estrogen Receptor Degrader, in Advanced Breast Cancer

Vepdegestrant is an oral proteolysis-targeting chimera (PROTAC) estrogen receptor (ER) degrader that directly utilizes the ubiquitin–proteasome system. It was compared to fulvestrant in patients who had received one prior line of hormonal therapy with a CDK4/6 inhibitor. Among patients with ESR1 mutations, Vepdegestrant demonstrated a median progression-free survival (PFS) of 5.0 months versus 2.1 months with fulvestrant. In the overall population, the median PFS was 3.8 months for Vepdegestrant and 3.6 months for fulvestrant, indicating that the drug showed particular efficacy in tumors harboring ESR1 mutations.

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Adjuvant Cemiplimab or Placebo in High-Risk Cutaneous Squamous-Cell Carcinoma

Cemiplimab significantly reduced recurrence in patients with high-risk disease following surgery and radiation, with a two-year disease-free survival (DFS) rate of 87.1% compared to 64.1% in the control group. These patients included those with nodal involvement, T4 tumors, perineural invasion, or locally recurrent disease. However, nearly 10% of patients still discontinued therapy.

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