UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934
For the Month of July 2024
Commission File Number: 001-38097
ARGENX SE
(Translation of registrant’s name into English)
Laarderhoogtweg 25
1101 EB Amsterdam, the Netherlands
(Address of principal executive offices)
Indicate by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F.
Form 20-F x
Form 40-F ¨
Indicate
by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ¨
Indicate
by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ¨
EXPLANATORY NOTE
On July 16, 2024, argenx SE (the “Company”)
issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated by reference herein.
The information contained in this Current Report
on Form 6-K, including Exhibit 99.1, shall be deemed to be incorporated by reference into the Company’s Registration Statements
on Forms F-3 (File No. 333-258251) and S-8 (File Nos. 333-225375, 333-258253, and 333-274721), and to be part thereof from
the date on which this Current Report on Form 6-K is filed, to the extent not superseded by documents or reports subsequently filed
or furnished.
SIGNATURES
Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
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ARGENX SE |
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| Date: July 16, 2024 |
By: |
/s/ Hemamalini
(Malini) Moorthy |
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Name: Hemamalini (Malini) Moorthy
Title: General Counsel |
Exhibit 99.1
argenx
and Zai Lab Announce Approval of Efgartigimod Alfa Injection (Subcutaneous Injection) for Generalized Myasthenia Gravis in China
First
and only NMPA-approved subcutaneous injectable FcRn blocker for gMG patients in China
Consistent
clinical benefit and safety profile of efgartigimod SC compared to IV demonstrated in Phase 3 ADAPT-SC study
July 16, 2024 6:30am CET
Amsterdam, the
Netherlands— argenx SE (Euronext & Nasdaq: ARGX) and Zai Lab Limited (Nasdaq: ZLAB; HKEX: 9688) today announced that
China’s National Medical Products Administration (NMPA) approved the Biologics License Application (BLA) on July 16, 2024
for efgartigimod alfa injection (subcutaneous injection) (efgartigimod SC), 1,000mg (5.6ml)/vial indicated as an add on to standard therapy
for the treatment of adult patients with generalized myasthenia gravis (gMG) who are anti-acetylcholine receptor (AChR) antibody positive.
“The NMPA
approval for efgartigimod SC is yet another key milestone on our journey to expand into new patient populations around the world with
our transformative medicine.” said Tim Van Hauwermeiren, Chief Executive Officer of argenx. “We celebrate this achievement
with our partner, Zai Lab, who shares our mutual passion for bringing needed innovation to patients with gMG in China. We are impressed
by the team’s incredible launch execution, bringing 2,700 new patients onto VYVGART IV treatment in the first quarter of 2024,
which underscores the high unmet need that remains for gMG patients. The addition of a flexible 30-to-90second subcutaneous injection
opens the door for new patients in China, while taking into account personal preference and convenience. We look forward to continuing
our partnership and expanding our footprint in one of the world’s fastest growing markets to reach more people living with severe
autoimmune diseases.”
“We are pleased
to receive NMPA approval for efgartigimod SC, marking an important milestone as we bring another first-in-class option to gMG patients
in China,” said Rafael G. Amado, M.D., President, Head of Global Research and Development at Zai Lab. “The addition of a
new treatment option for gMG patients enhances flexibility for patients, potentially further simplifying the regimen and making therapy
more accessible within the community. We appreciate the NMPA for their thorough assessment and recognition of the therapy’s differentiated
profile and the large unmet medical need in China.”
“There are
approximately 170,000 people living with gMG in China1,” said Prof. Xueqiang Hu, M.D., Ph.D., Chief Physician of Department
of Neurology, the Third Affiliated Hospital of Sun Yat-sen University. “Compared to fixed infusion schedules, the availability
of efgartigimod SC allows a more individualized and flexible treatment approach based on patient needs without sacrificing clinical benefit
or safety. In the global Phase 3 ADAPT-SC study, efgartigimod SC demonstrated consistent benefit and safety compared to the intravenous
product. This is a meaningful advancement for the patient community, and we are grateful to Zai Lab for supporting patients who have
been devastated by this disease for so long.”
The BLA approval
is supported by positive results from the global Phase 3 ADAPT-SC study, a bridging study to the Phase 3 ADAPT study, which formed the
basis for approval of intravenous VYVGART in adult gMG patients. In the ADAPT-SC study, the primary endpoint of noninferiority was met
(p< 0.0001), and efgartigimod SC demonstrated mean total IgG reduction of 66.4% from baseline at day 29, compared to 62.2% with efgartigimod
IV. Additional key secondary endpoints were also met, which were consistent with efficacy measures from the ADAPT study identifying the
correlation between total IgG reduction and clinical benefit in gMG.
The safety profile
for efgartigimod SC was also consistent with the ADAPT study. Efgartigimod SC was generally well-tolerated; the most frequent adverse
event being injection site reactions (ISRs), commonly observed with biologics administered subcutaneously. All ISRs were mild to moderate
and resolved over time.
Efgartigimod SC
is also being evaluated for the potential treatment of additional autoimmune disorders. In May 2024, the NMPA accepted a supplemental
Biologics License Application (sBLA) with priority review for efgartigimod SC in chronic inflammatory demyelinating polyneuropathy (CIDP).
The U.S. Food and Drug Administration (FDA) approved efgartigimod SC in June 2024 for adults with CIDP.
About VYVGART® and
Efgartigimod SC
VYVGART (efgartigimod
alfa injection) is a human IgG1 antibody fragment that binds to the neonatal Fc receptor (FcRn), resulting in the reduction of circulating
IgG autoantibodies. It is the first approved FcRn blocker for the treatment of adults with generalized myasthenia gravis (gMG) who are
anti-AChR antibody positive.
Efgartigimod SC
is a subcutaneous product including efgartigimod alfa injection, a human IgG1 antibody fragment, and recombinant human hyaluronidase
PH20 (rHuPH20), Halozyme’s ENHANZE® drug delivery technology to facilitate subcutaneous delivery of biologics. The
product is to be administered subcutaneously as a single injection (1,000 mg fixed dose) over 30-to-90 seconds in cycles of once weekly
injections for four weeks. Efgartigimod SC is approved in the United States (marketed as VYVGART® Hytrulo), EU (marketed
as VYVGART® SC) and Japan (marketed as VYVDURA®).
Efgartigimod has the potential to address
a multitude of severe autoimmune diseases where pathogenic IgGs are believed to be mediators of disease and is being evaluated in several
autoimmune indications. Zai Lab has an exclusive license agreement with argenx to develop and commercialize efgartigimod in mainland
China, Hong Kong, Macau, and Taiwan (collectively, Greater China).
About Myasthenia Gravis in China
Myasthenia gravis
(MG) is a chronic autoimmune disease, characterized by debilitating and potentially life-threatening muscle weakness. There are approximately
170,000 people in China living with gMG1, and of those patients, 85% are estimated to have confirmed AChR antibodies; in this
generalized form of the disease, skeletal muscles throughout the body may be affected, resulting in weakness and early fatigue. Difficulties
with double vision, facial expression, speech, swallowing, and ambulation are frequent and difficult to manage for patients and treating
physicians. In more life-threatening cases, gMG can affect the muscles responsible for breathing, which can be fatal. Acetylcholinesterase
(AChE) inhibitors, steroids, immunosuppressants, and IVIg are the mainstay of treatment in China. These drugs often achieve only partial
restoration of strength.
1 The growing burden of
generalized myasthenia gravis: a population-based retrospective cohort study in Taiwan, 2023.
About argenx
argenx is a global
immunology company committed to improving the lives of people suffering from severe autoimmune diseases. Partnering with leading academic
researchers through its Immunology Innovation Program (IIP), argenx aims to translate immunology breakthroughs into a world-class portfolio
of novel antibody-based medicines. argenx developed and is commercializing the first approved neonatal Fc receptor (FcRn) blocker in
China, the U.S., Japan, Israel, the EU, the UK, and Canada. The Company is evaluating efgartigimod in multiple serious autoimmune
diseases and advancing several earlier stage experimental medicines within its therapeutic franchises. For more information, visit www.argenx.com and
follow us on LinkedIn, Twitter, and Instagram.
About Zai Lab
Zai Lab Limited
(NASDAQ: ZLAB; HKEX: 9688) is an innovative, research-based, commercial-stage biopharmaceutical company based in China and the United
States. We are focused on discovering, developing, and commercializing innovative products that address medical conditions with significant
unmet needs in the areas of oncology, autoimmune disorders, infectious disease, and neuroscience. Our goal is to leverage our competencies
and resources to positively impact human health in China and worldwide.
For additional
information about Zai Lab, please visit www.zailaboratory.com or follow us at www.twitter.com/ZaiLab_Global.
For further information, please contact:
argenx Media:
Ben Petok
bpetok@argenx.com
argenx Investors:
Alexandra Roy (US)
ARoy@argenx.com
Lynn Elton (EU)
LElton@argenx.com
Zai Media:
Shaun Maccoun / Xiaoyu Chen
shaun.maccoun@zailaboratory.com
/ xiaoyu.chen@zailaboratory.com
Zai Investors:
Christine Chiou / Lina Zhang
christine.chiou1@zailaboratory.com
/ lina.zhang@zailaboratory.com
argenx Forward-looking Statements
The contents of
this announcement include statements that are, or may be deemed to be, “forward-looking statements.” These forward-looking
statements can be identified by the use of forward-looking terminology, including the terms “aims,” or “continues,”
and include statements argenx makes concerning its goal to expand into new patient populations around the world; the remaining unmet
need for gMG patients; its partnership with Zai Lab; its future expansion in China and globally; its ability to gain new patients in
China; the potential approval of efgartigimod SC in other regions and its potential for treatment of additional autoimmune disorders;
and its goal of translating immunology breakthroughs into a world-class portfolio of novel antibody-based medicines. By their nature,
forward-looking statements involve risks and uncertainties and readers are cautioned that any such forward-looking statements are not
guarantees of future performance, including the results of argenx's clinical trials; expectations regarding the inherent uncertainties
associated with the development of novel drug therapies; preclinical and clinical trial and product development activities and regulatory
approval requirements in products and product candidates; the acceptance of argenx's products and product candidates by patients as safe,
effective and cost-effective; the impact of governmental laws and regulations on our business; disruptions caused on our reliance of
third-party suppliers, service providers and manufacturers; inflation and deflation and the corresponding fluctuations in interest rates;
and regional instability and conflicts. argenx’s actual results may differ materially from those predicted by the forward-looking
statements as a result of various important factors. A further list and description of these risks, uncertainties and other risks can
be found in argenx’s U.S. Securities and Exchange Commission (SEC) filings and reports, including in argenx’s most recent
annual report on Form 20-F filed with the SEC as well as subsequent filings and reports filed by argenx with the SEC. Given these
uncertainties, the reader is advised not to place any undue reliance on such forward-looking statements. These forward-looking statements
speak only as of the date of publication of this document. argenx undertakes no obligation to publicly update or revise the information
in this press release, including any forward-looking statements, except as may be required by law.
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