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Lantheus Announces Presentation of Data at the 2026 American Society of Clinical Oncology (ASCO) Annual Meeting

Key Takeaway: Lantheus Holdings, Inc. announced that it will present data at the 2026 ASCO Annual Meeting. The presentation will include a phase 1/2 study of LNTH-2403, a targeted monoclonal antibody for osteosarcoma. The meeting is scheduled for May 29 to June 2, 2026, in Chicago, IL.
Price reaction · baseline $93.13 (2026-05-18 close) · hit pre-market · 1 other LNTH headline(s) in the window, move may be shared
day 0 close · peak
-0.3%

Market Sentiment Analysis

POSITIVE FACTORS

  • Lantheus is presenting promising data at a major oncology meeting.
  • The study focuses on a novel treatment for relapsed/refractory osteosarcoma.
  • The company has a long history of providing radiopharmaceutical solutions.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+48%
120-day peak, hindsight
Typical move
2%
average across 7 past catalysts
Lead asset
18F-DCFPyL
Phase 3 · Prostate Cancer

Full Press Release Details

BEDFORD, Mass., May 19, 2026 (GLOBE NEWSWIRE) -- Lantheus Holdings, Inc. (the Company) (NASDAQ: LNTH), the leading radiopharmaceutical-focused company committed to enabling clinicians to Find, Fight and Follow disease to deliver better patient outcomes, announced data to be featured at the 2026 American Society of Clinical Oncology (ASCO) Annual Meeting, taking place May 29 – June 2, 2026 in Chicago, IL.
Presentation details are as follows:

Date & Time:Monday, June 1Session Type:Poster

Session Title:SarcomaPoster Number:376b

Title:A phase 1/2, multi-center, open-label study to evaluate the safety, tolerability, pharmacokinetics, radiation dosimetry, and preliminary anti-neoplastic activity of LNTH-2403, a LRRC15-targeted177lutetium-labeled monoclonal antibody, in patients with relapsed/refractory osteosarcoma.

Presenter:Noah Federman, UCLA Jonsson Comprehensive Cancer Center, UCLA David Geffen School of Medicine, Los Angeles, CA

Session Type:Publication Only

Session Title:Publication Only: Genitourinary Cancer—Prostate, Testicular, and PenileTitle:Real-world use of piflufolastat F 18 and imaging-associated treatment patterns in early-stage prostate cancer.

First Author:Emma Billmyer, The Analysis Group, Boston, MA

Abstract Number:e17126

About LantheusLantheus is the leading radiopharmaceutical-focused company, delivering life-changing science to enable clinicians to Find, Fight and Follow disease to deliver better patient outcomes. Headquartered in Massachusetts with offices in New Jersey, Canada, Germany, Sweden, Switzerland and the United Kingdom, Lantheus has been providing radiopharmaceutical solutions for 70 years. For more information, visitwww.lantheus.com.

LantheusMark KinarneyVice President, Investor Relations978-671-8842ir@lantheus.com

Frequently Asked Questions

What is the focus of Lantheus's presentation at ASCO 2026?

Lantheus will present data on LNTH-2403, targeting relapsed/refractory osteosarcoma.

When is the 2026 ASCO Annual Meeting?

The ASCO Annual Meeting will take place from May 29 to June 2, 2026.

Who is presenting the data for Lantheus?

Noah Federman from UCLA will present the data at the meeting.

What type of study is being presented?

A phase 1/2, multi-center, open-label study will be presented.

Last updated: May 19, 2026