Zai Lab Partners with Amgen to Evaluate Lung Cancer Therapy
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Apr 19 2026
0mins
Should l Buy ZLAB?
Source: Yahoo Finance
- Global Clinical Trial Collaboration: On April 1, Zai Lab entered into a global clinical trial collaboration with Amgen to evaluate a combination therapy for extensive-stage small cell lung cancer, showcasing strategic synergy in oncology treatment between the two companies.
- Dual-Targeting Strategy: The study will combine Zai Lab's zocilurtatug pelitecan with Amgen's IMDELLTRA, aiming to enhance clinical responses and address potential resistance pathways through complementary mechanisms, thereby improving survival chances for patients.
- Clinical Trial Progress: Zocilurtatug pelitecan has demonstrated a high response rate and a tolerable safety profile in heavily pretreated SCLC patients, indicating its therapeutic potential, especially with FDA orphan drug and fast track designations.
- New Treatment Paradigm: By combining the first-ever approved DLL3-targeting bispecific therapy, Zai Lab and Amgen aim to establish a new treatment paradigm for one of the most aggressive and lethal forms of solid tumors.
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Analyst Views on ZLAB
Wall Street analysts forecast ZLAB stock price to rise
5 Analyst Rating
4 Buy
1 Hold
0 Sell
Strong Buy
Current: 19.765
Low
25.70
Averages
47.93
High
74.00
Current: 19.765
Low
25.70
Averages
47.93
High
74.00
About ZLAB
Zai Lab Ltd is a holding company primarily engaged in biopharmaceutical business. The Company is focused on discovering, developing, and commercializing products that address medical conditions with significant unmet needs in the areas of oncology, immunology, neuroscience, and infectious disease. The Company has a series of patented drug candidates from the discovery stage to the late clinical project, including ZEJULA, OPTUNE, QINLOCK, NUZYRA and VYVGART, and others. The Company conducts its businesses within domestic and overseas markets.
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.
- Financial Performance Overview: Zai Lab reported total product revenue of $99.6 million for Q1, a 6% year-over-year decline primarily due to lower ZEJULA sales, although continued growth from XACDURO and NUZYRA indicates competitive pressures in the market.
- Zoci Development Outlook: CEO Ying Du highlighted Zoci as a key global value driver, with plans to submit the first global BLA by 2027, indicating a strategic focus on new therapy development that could lay the groundwork for future revenue growth.
- R&D Investment Dynamics: CFO Yajing Chen noted an 8% year-over-year increase in R&D expenses and a 23% rise in operating losses to $69.4 million, reflecting ongoing investments in new product development amid short-term financial pressures.
- Market Challenges and Opportunities: The company faces challenges from changing hospital utilization patterns and supply constraints in the Chinese market; however, the anticipated launch of KarXT in Q2 is expected to provide new growth opportunities, showcasing the company's potential in innovative drug development.
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- Earnings Beat: Zai Lab reported a Q1 GAAP EPS of -$0.46, exceeding expectations by $0.10, indicating improvements in cost management and operational efficiency, although overall financial performance remains under pressure.
- Revenue Decline: Total revenue for Q1 was $99.6 million, a 6.5% year-over-year decrease, missing market expectations by $8.83 million, reflecting competitive pressures particularly in ZEJULA sales.
- Product Revenue Shift: Product revenue netted $95.6 million, down 10% year-over-year and 12% at constant exchange rates, indicating ongoing challenges in core product sales that could impact future market share.
- Growth Drivers: Despite the overall revenue decline, increased sales of XACDURO and NUZYRA partially offset the drop in ZEJULA, showcasing the company's potential in new product launches, which may lay the groundwork for future performance recovery.
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- Earnings Announcement Date: Zai Lab (ZLAB) is set to release its Q1 2023 earnings on May 7 before the market opens, with investors keenly awaiting its performance and future outlook.
- Declining Profit Expectations: Analysts forecast an EPS of -$0.53, representing a 17.8% year-over-year decline, indicating challenges in profitability that could impact investor confidence.
- Slight Revenue Growth: The expected revenue for Q1 is $108.43 million, reflecting a modest 1.8% year-over-year increase, suggesting some market demand that may support the company's future growth.
- Estimate Revision Trends: Over the past three months, there have been no upward revisions for EPS or revenue estimates, with three downward adjustments each, indicating a cautious market sentiment regarding Zai Lab's prospects, which may affect stock performance.
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- Earnings Release Schedule: Zai Lab will report its Q1 2026 financial results on May 7, 2026, before the U.S. market opens, showcasing the company's latest advancements and financial health in the biopharmaceutical sector.
- Conference Timing and Format: The earnings call and webcast are scheduled for 8:00 a.m. ET (8:00 p.m. HKT), aimed at providing investors with direct updates and interaction opportunities with the company.
- Registration Requirements: All participants must register online in advance to receive dial-in details, ensuring a smooth meeting process and enhancing participant experience, reflecting the company's commitment to investor relations.
- Company Background Overview: Zai Lab is an innovative biopharmaceutical company focused on addressing significant unmet medical needs in oncology, immunology, neuroscience, and infectious diseases, dedicated to improving human health through the development of innovative products.
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- Global Clinical Trial Collaboration: On April 1, Zai Lab entered into a global clinical trial collaboration with Amgen to evaluate a combination therapy for extensive-stage small cell lung cancer, showcasing strategic synergy in oncology treatment between the two companies.
- Dual-Targeting Strategy: The study will combine Zai Lab's zocilurtatug pelitecan with Amgen's IMDELLTRA, aiming to enhance clinical responses and address potential resistance pathways through complementary mechanisms, thereby improving survival chances for patients.
- Clinical Trial Progress: Zocilurtatug pelitecan has demonstrated a high response rate and a tolerable safety profile in heavily pretreated SCLC patients, indicating its therapeutic potential, especially with FDA orphan drug and fast track designations.
- New Treatment Paradigm: By combining the first-ever approved DLL3-targeting bispecific therapy, Zai Lab and Amgen aim to establish a new treatment paradigm for one of the most aggressive and lethal forms of solid tumors.
See More
- Efficacy Data Presentation: At IMMUNOLOGY2026, Zai Lab showcased ZL-1503's sustained inhibition of IL-31-induced itching and IL-13 signaling over 112 days, indicating its potential as a first-in-class treatment for moderate-to-severe atopic dermatitis, which could transform patient treatment options.
- Favorable Safety Profile: ZL-1503 demonstrated a strong nonclinical safety profile across all studies, supporting its advancement into human clinical trials, which is expected to offer patients a safer treatment option and reduce dosing frequency compared to current biologics.
- Clinical Trial Initiation: Zai Lab initiated Phase 1 clinical trials for ZL-1503 in December 2025, with clinical data anticipated in the second half of 2026, laying the groundwork for market introduction and enhancing the company's competitive position in the biopharmaceutical sector.
- In-Depth Mechanistic Research: Studies indicate that ZL-1503 can simultaneously suppress inflammatory and pruritic pathways associated with atopic dermatitis, providing robust mechanistic evidence that supports its strategic significance as a novel therapeutic option.
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