LIBRETTO-432 Trial Results Significantly Improve Early Lung Cancer Prognosis
Written by Emily J. Thompson, Senior Investment Analyst
Updated: May 31 2026
0mins
Source: PRnewswire
- Clinical Trial Success: Eli Lilly's LIBRETTO-432 trial demonstrates that Retevmo (selpercatinib) as adjuvant therapy significantly improves event-free survival (EFS) in early-stage RET fusion-positive non-small cell lung cancer patients, reducing the risk of recurrence or death by 83%, thus providing a new treatment option for early lung cancer patients.
- Data Publication and Presentation: The trial results will be published in the New England Journal of Medicine and presented at the 2026 ASCO Annual Meeting, highlighting the significance of this research in lung cancer treatment and potentially prompting changes in clinical practice.
- Patient Recruitment and Analysis: A total of 151 patients were enrolled in the trial, randomized to receive either Retevmo or placebo, and after a median follow-up of 24 months, the EFS rate was 94% in the Retevmo group compared to 70% in the placebo group, showcasing the significant efficacy of Retevmo.
- Safety and Tolerability: The safety profile of Retevmo aligns with previous studies, with the most common adverse events being elevated ALT and AST at 17% and 19%, respectively, which can be effectively managed through dose adjustments, ensuring patient safety during treatment.
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Analyst Views on LLY
Wall Street analysts forecast LLY stock price to rise
20 Analyst Rating
18 Buy
2 Hold
0 Sell
Strong Buy
Current: 1160.950
Low
950.00
Averages
1192
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Current: 1160.950
Low
950.00
Averages
1192
High
1500
About LLY
Eli Lilly and Company is a medicine company, which discovers, develops, manufactures, and market products in a single business segment called human pharmaceutical products. The Company manufacture and distribute its products through facilities in the United States, including Puerto Rico, and in Europe and Asia. The Company’s products are sold in approximately 90 countries. Its Cardiometabolic Health products Basaglar; Humalog, Humalog Mix 75/25, Humalog U-100, Humalog U-200, Humalog Mix 50/50, insulin lispro, and others; Humulin, Humulin 70/30, and others; Jardiance; Mounjaro; Trulicity; Zepbound, and others. Its oncology products include Cyramza, Erbitux, Tyvyt, Verzenio, Retevmo, Jaypirca, and others. Its immunology products include Ebglyss, Olumiant, Omvoh, and Taltz. Its neuroscience products include Emgality and Kisunla. Its LillyDirect, a direct-to-patient digital health care platform, provides delivery of select Lilly medicines dispensed by third-party pharmacies to patients.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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