TIDMGEN
Company Announcement
-- Phase 3 innovaTV 301 confirmatory trial met its primary endpoint of
improved overall survival (OS) at predetermined, independent interim
analysis
-- Trial results to be submitted for presentation at a future medical
meeting
-- Genmab and Seagen to engage in discussions with regulatory authorities
COPENHAGEN, Denmark, and BOTHELL, Wash.; September 4, 2023 --
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Genmab A/S (Nasdaq: GMAB) and
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Seagen Inc. (Nasdaq: SGEN) announced today that the Phase 3
innovaTV 301 global trial in recurrent or metastatic cervical
cancer patients with disease progression on or after front-line
therapy who received TIVDAK(R) (tisotumab vedotin-tftv), compared
with chemotherapy alone, met its primary endpoint of overall
survival (OS). An Independent Data Monitoring Committee determined
that OS crossed the pre-specified efficacy boundary at interim
analysis. The key secondary endpoints of investigator-assessed
progression-free survival and objective response rate also
demonstrated statistical significance. The safety profile of TIVDAK
in innovaTV 301 is consistent with the known safety profile of
TIVDAK as presented in the U.S. prescribing information, and no new
safety signals were observed.
The results of innovaTV 301/ENGOT cx-12/GOG 3057, a global,
randomized, open-label Phase 3 trial, add to the previous results
of innovaTV 204, which served as the basis for the accelerated
approval of TIVDAK in the United States. Subject to discussions
with regulatory authorities, the results from innovaTV 301 are
intended to serve as the pivotal confirmatory trial for the U.S.
accelerated approval and support global regulatory applications.
The innovaTV 301 China extension study has been initiated and
continues to enroll patients, in collaboration with Zai Lab
Limited.
"TIVDAK is the only U.S. Food and Drug Administration-approved
therapy in second-line recurrent or metastatic cervical cancer
regardless of biomarker status, tumor histology and prior therapy,"
said Roger Dansey, M.D., President of Research and Development and
Chief Medical Officer at Seagen. "Demonstrating a survival benefit
with the results of innovaTV 301 is a critical milestone in our
efforts to ensure more adults living with advanced cervical cancer
have an approved treatment option."
"With limited options for advanced cervical cancer patients who
have progressed after front-line therapy, there is a need for
therapeutic options with new mechanisms of action, particularly
those with a demonstrated survival benefit," said Jan van de
Winkel, Ph.D., Chief Executive Officer, Genmab. "These results
provide hope for patients with recurrent or metastatic cervical
cancer."
Results of the Phase 3 innovaTV 301 clinical trial will be
submitted for presentation at an upcoming medical congress and
discussed with regulatory authorities.
About Cervical Cancer
Cervical cancer remains a disease with high unmet need despite
advances in effective vaccination and screening practices to
prevent and diagnose pre-/early-stage cancers for curative
treatment. Recurrent and/or metastatic cervical cancer is a
particularly devastating and mostly incurable disease; up to 16% of
adults are diagnosed with metastatic disease at diagnosis(i) (,)
(ii) and, for adults diagnosed at earlier stages who receive
treatment, up to 61% will experience disease recurrence and
progress to metastatic cervical cancer.(iii) It is estimated that
in 2023, more than 13,960 new cases of invasive cervical cancer
will be diagnosed in the U.S. and 4,310 adults will die from the
disease.(iv)
About the innovaTV 301 Trial
The innovaTV 301 trial (NCT04697628) is a global, randomized,
open-label Phase 3 trial evaluating TIVDAK(R) (tisotumab
vedotin-tftv) versus investigator's choice of chemotherapy alone
(topotecan, vinorelbine, gemcitabine, irinotecan or pemetrexed) in
502 patients with recurrent or metastatic cervical cancer who
received no more than two prior systemic regimens in the recurrent
or metastatic setting.
Patients with recurrent or metastatic cervical cancer with
squamous cell, adenocarcinoma or adenosquamous histology, and
disease progression during or after treatment with a standard of
care systemic chemotherapy doublet or platinum-based therapy (if
eligible) are included. The main efficacy outcome measure is
overall survival. The main secondary outcomes are progression-free
survival, objective response rate, time to response and duration of
response, as assessed by the investigator, as well as safety and
quality of life outcomes.
The study was conducted by Seagen in collaboration with Genmab,
European Network of Gynaecological Oncological Trial Groups (ENGOT,
study number ENGOT cx-12) and the Gynecologic Oncology Group (GOG)
Foundation (study number GOG 3057). For more information about the
Phase 3 innovaTV 301 clinical trial and other clinical trials with
tisotumab vedotin, please visit www.clinicaltrials.gov.
About TIVDAK(R) (tisotumab vedotin)
TIVDAK(R) (tisotumab vedotin) is an antibody-drug conjugate
(ADC) composed of Genmab's human monoclonal antibody directed to
tissue factor (TF) and Seagen's ADC technology that utilizes a
protease-cleavable linker that covalently attaches the
microtubule-disrupting agent monomethyl auristatin E (MMAE) to the
antibody. Determination of TF expression is not required.
Nonclinical data suggest that the anticancer activity of TIVDAK is
due to the binding of the ADC to TF-expressing cancer cells,
followed by internalization of the ADC-TF complex, and release of
MMAE via proteolytic cleavage. MMAE disrupts the microtubule
network of actively dividing cells, leading to cell cycle arrest
and apoptotic cell death. In vitro, TIVDAK also mediates
antibody-dependent cellular phagocytosis and antibody-dependent
cellular cytotoxicity.
In September 2021, the U.S. Food and Drug Administration granted
accelerated approval for TIVDAK in adult patients with recurrent or
metastatic cervical cancer with disease progression on or after
chemotherapy. TIVDAK is the first and only approved ADC for the
treatment of these patients with recurrent or metastatic cervical
cancer with disease progression on or after chemotherapy. The Phase
3 innovaTV 301 clinical trial, an open-label, randomized, global
trial, is intended as the confirmatory trial for use in verifying
and describing the clinical benefit and for global regulatory
applications.
Indication
TIVDAK is indicated in the U.S. for the treatment of adult
patients with recurrent or metastatic cervical cancer with disease
progression on or after chemotherapy.
This indication is approved under accelerated approval based on
tumor response rate and durability of response. Continued approval
for this indication may be contingent upon verification and
description of clinical benefit in confirmatory trials.
Important Safety Information
BOXED WARNING: OCULAR TOXICITY
TIVDAK caused changes in the corneal epithelium and conjunctiva
resulting in changes in vision, including severe vision loss, and
corneal ulceration. Conduct an ophthalmic exam at baseline, prior
to each dose, and as clinically indicated. Adhere to premedication
and required eye care before, during, and after infusion. Withhold
TIVDAK until improvement and resume, reduce the dose, or
permanently discontinue, based on severity.
WARNINGS AND PRECAUTIONS
Ocular adverse reactions occurred in 60% of patients with
cervical cancer treated with TIVDAK across clinical trials. The
most common were conjunctival adverse reactions (40%), dry eye
(29%), corneal adverse reactions (21%), and blepharitis (8%). Grade
3 ocular adverse reactions occurred in 3.8% of patients, including
severe ulcerative keratitis in 3.2% of patients. One patient
experienced ulcerative keratitis with perforation requiring corneal
transplantation. Cases of symblepharon were reported in patients
with other tumor types treated with TIVDAK at the recommended
dose.
In innovaTV 204, 4% of patients experienced visual acuity
changes to 20/50 or worse including 1% of patients who experienced
a visual acuity change to 20/200. Of the patients who experienced
decreased visual acuity to 20/50 or worse, 75% resolved, including
the patient who experienced decreased visual acuity to 20/200.
Refer patients to an eye care provider for an ophthalmic exam,
including visual acuity and slit lamp exam, at baseline, prior to
each dose, and as clinically indicated. Adhere to premedication and
required eye care to reduce the risk of ocular adverse reactions.
Promptly refer patients to an eye care provider for any new or
worsening ocular signs and symptoms. Withhold dose, reduce the
dose, or permanently discontinue TIVDAK based on the severity of
the adverse reaction.
Peripheral Neuropathy (PN) occurred in 42% of cervical cancer
patients treated with TIVDAK across clinical trials; 8% of patients
experienced Grade 3 PN. PN adverse reactions included peripheral
neuropathy (20%), peripheral sensory neuropathy (11%), peripheral
sensorimotor neuropathy (5%), motor neuropathy (3%), muscular
weakness (3%), and demyelinating peripheral polyneuropathy (1%).
One patient with another tumor type treated with TIVDAK at the
recommended dose developed Guillain- Barre syndrome.
Hemorrhage occurred in 62% of cervical cancer patients treated
with TIVDAK across clinical trials. The most common all grade
hemorrhage adverse reactions were epistaxis (44%), hematuria (10%),
and vaginal hemorrhage (10%). Grade 3 hemorrhage occurred in 5% of
patients.
Monitor patients for signs and symptoms of hemorrhage. For
patients experiencing pulmonary or central nervous system (CNS)
hemorrhage, permanently discontinue TIVDAK. For Grade >=2
hemorrhage in any other location, withhold until bleeding has
resolved, blood hemoglobin is stable, there is no bleeding
diathesis that could increase the risk of continuing therapy, and
there is no anatomical or pathologic condition that can increase
the risk of hemorrhage recurrence. After resolution, either resume
treatment or permanently discontinue TIVDAK.
Pneumonitis that is severe, life-threatening, or fatal can occur
in patients treated with antibody-drug conjugates containing
vedotin, including TIVDAK. Among patients with cervical cancer
treated with TIVDAK across clinical trials, 2 patients (1.3%)
experienced pneumonitis, including 1 patient who had a fatal
outcome.
Monitor patients for pulmonary symptoms of pneumonitis. Symptoms
may include hypoxia, cough, dyspnea or interstitial infiltrates on
radiologic exams. Infectious, neoplastic, and other causes for
symptoms should be excluded through appropriate investigations.
Withhold TIVDAK for patients who develop persistent or recurrent
Grade 2 pneumonitis and consider dose reduction. Permanently
discontinue TIVDAK in all patients with Grade 3 or 4
pneumonitis.
Severe cutaneous adverse reactions, including events of fatal or
life-threatening Stevens-Johnson syndrome (SJS), can occur in
patients treated with TIVDAK.
Monitor patients for signs or symptoms of severe cutaneous
adverse reactions, which include target lesions, worsening skin
reactions, blistering or peeling of the skin, painful sores in
mouth, nose, throat, or genital area, fever or flu-like symptoms,
and swollen lymph nodes. If signs or symptoms of severe cutaneous
adverse reactions occur, withhold TIVDAK until the etiology of the
reaction has been determined. Early consultation with a specialist
is recommended to ensure greater diagnostic accuracy and
appropriate management. Permanently discontinue TIVDAK for
confirmed Grade 3 or 4 severe cutaneous adverse reactions,
including SJS.
Embryo-fetal toxicity: TIVDAK can cause fetal harm when
administered to a pregnant woman. Advise patients of the potential
risk to a fetus. Advise females of reproductive potential to use
effective contraception during treatment with TIVDAK and for 2
months after the last dose. Advise male patients with female
partners of reproductive potential to use effective contraception
during treatment with TIVDAK and for 4 months after the last
dose.
Adverse Reactions
Serious adverse reactions occurred in 43% of patients; the most
common (>=3%) were ileus (6%), hemorrhage (5%), pneumonia (4%),
PN, sepsis, constipation, and pyrexia (each 3%). Fatal adverse
reactions occurred in 4% of patients who received TIVDAK, including
septic shock, pneumonitis, sudden death, and multisystem organ
failure (each 1%).
Adverse reactions leading to permanent discontinuation occurred
in 13% of patients receiving TIVDAK; the most common (>=3%) were
PN (5%) and corneal adverse reactions (4%). Adverse reactions
leading to dose interruption occurred in 47% of patients; the most
common (>=3%) were PN (8%), conjunctival adverse reactions (4%),
and hemorrhage (4%). Adverse reactions leading to dose reduction
occurred in 23% of patients; the most common (>=3%) were
conjunctival adverse reactions (9%) and corneal adverse reactions
(8%).
The most common (>=25%) adverse reactions, including
laboratory abnormalities, were hemoglobin decreased (52%), fatigue
(50%), lymphocytes decreased (42%), nausea (41%), PN (39%),
alopecia (39%), epistaxis (39%), conjunctival adverse reactions
(37%), hemorrhage (32%), leukocytes decreased (30%), creatinine
increased (29%), dry eye (29%), prothrombin international
normalized ratio increased (26%), activated partial thromboplastin
time prolonged (26%), diarrhea (25%), and rash (25%).
Drug Interactions
Strong CYP3A4 inhibitors: Concomitant use with strong CYP3A4
inhibitors may increase unconjugated monomethyl auristatin E (MMAE)
exposure, which may increase the risk of TIVDAK adverse reactions.
Closely monitor patients for TIVDAK adverse reactions.
Use in Specific Populations
Moderate or severe hepatic impairment: MMAE exposure and adverse
reactions are increased. Avoid use.
Lactation: Advise lactating women not to breastfeed during
TIVDAK treatment and for at least 3 weeks after the last dose.
Please see full prescribing information, including BOXED WARNING
for TIVDAK
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here.
About Genmab
Genmab is an international biotechnology company with a core
purpose guiding its unstoppable team to strive towards improving
the lives of patients through innovative and differentiated
antibody therapeutics. For more than 20 years, its passionate,
innovative and collaborative team has invented next-generation
antibody technology platforms and leveraged translational research
and data sciences, which has resulted in a proprietary pipeline
including bispecific T-cell engagers, next-generation immune
checkpoint modulators, effector function enhanced antibodies and
antibody-drug conjugates. To help develop and deliver novel
antibody therapies to patients, Genmab has formed 20+ strategic
partnerships with biotechnology and pharmaceutical companies. By
2030, Genmab's vision is to transform the lives of people with
cancer and other serious diseases with Knock-Your-Socks-Off
(KYSO(TM)) antibody medicines.
Established in 1999, Genmab is headquartered in Copenhagen,
Denmark with locations in Utrecht, the Netherlands, Princeton, New
Jersey, U.S. and Tokyo, Japan. For more information, please visit
Genmab.com
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and follow us on Twitter.com/Genmab
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.
About Seagen
Founded 25 years ago, Seagen Inc. is a global biotechnology
company that discovers, develops, manufactures and commercializes
targeted cancer therapeutics, with antibody-drug conjugates (ADCs)
at our core. Our colleagues work together with urgency to improve
and extend the lives of people living with cancer. An ADC
technology trailblazer, approximately one-third of FDA-approved and
marketed ADCs use Seagen technology. Seagen is headquartered in
Bothell, Washington and has locations in California, Canada,
Switzerland and across Europe. For additional information, visit
www.seagen.com and follow us on Twitter
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.
About the Seagen and Genmab Collaboration
Tisotumab vedotin is being co-developed by Genmab and Seagen,
under an agreement in which the companies share costs and profits
for the product on a 50:50 basis.
Genmab Forward Looking Statements
This Company Announcement contains forward looking statements.
The words "believe," "expect," "anticipate," "intend" and "plan"
and similar expressions identify forward looking statements. Actual
results or performance may differ materially from any future
results or performance expressed or implied by such statements. The
important factors that could cause our actual results or
performance to differ materially include, among others, risks
associated with pre-clinical and clinical development of products,
uncertainties related to the outcome and conduct of clinical trials
including unforeseen safety issues, uncertainties related to
product manufacturing, the lack of market acceptance of our
products, our inability to manage growth, the competitive
environment in relation to our business area and markets, our
inability to attract and retain suitably qualified personnel, the
unenforceability or lack of protection of our patents and
proprietary rights, our relationships with affiliated entities,
changes and developments in technology which may render our
products or technologies obsolete, and other factors. For a further
discussion of these risks, please refer to the risk management
sections in Genmab's most recent financial reports, which are
available on
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www.genmab.com and the risk factors included in Genmab's most
recent Annual Report on Form 20-F and other filings with the U.S.
Securities and Exchange Commission (SEC), which are available at
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www.sec.gov. Genmab does not undertake any obligation to update or
revise forward looking statements in this Company Announcement nor
to confirm such statements to reflect subsequent events or
circumstances after the date made or in relation to actual results,
unless required by law.
Genmab A/S and/or its subsidiaries own the following trademarks:
Genmab(R) ; the Y-shaped Genmab logo(R) ; Genmab in combination
with the Y-shaped Genmab logo(R) ; HuMax(R) ; DuoBody(R) ;
HexaBody(R) ; DuoHexaBody(R) , HexElect(R) and KYSO(TM). Tivdak(R)
is a trademark of Seagen Inc.
Seagen Forward Looking Statements
Certain of the statements made in this press release are forward
looking, such as those, among others, relating to the potential for
results from the innovaTV 301 clinical trial to serve as the
confirmatory trial for the U.S. accelerated approval and support
global regulatory applications; plans to share the results at an
upcoming medical congress and discuss them with regulatory
authorities; the conduct of the ongoing innovaTV 301 trial; and the
therapeutic potential of TIVDAK, including its efficacy, safety and
therapeutic uses. Actual results or developments may differ
materially from those projected or implied in these forward-looking
statements. Factors that may cause such a difference include the
possibility that results from the innovaTV 301 trial may not be
sufficient to support the conversion of the U.S. accelerated
approval of TIVDAK to full approval or any global regulatory
approvals; that adverse events or safety signals may occur; that
adverse regulatory actions may occur; the possibility of delays,
setbacks or failures in clinical development activities, the
submission of regulatory applications and the regulatory review
process for a variety of reasons, including the inherent difficulty
and uncertainty of pharmaceutical product development; the
inability to provide information and institute safety mitigation
measures as may be required by the FDA or other regulatory
authorities from time to time; and failure to properly conduct or
manage clinical trials. More information about the risks and
uncertainties faced by Seagen is contained under the caption "Risk
Factors" included in the Company's Quarterly Report on Form 10-Q
for the quarter ended June 30, 2023 filed with the Securities and
Exchange Commission. Seagen disclaims any intention or obligation
to update or revise any forward-looking statements, whether as a
result of new information, future events or otherwise, except as
required by law.
INVESTOR & MEDIA CONTACTS
Genmab A/S Contacts:
For Media:
Marisol Peron, Senior Vice President, Global Communications
& Corporate Affairs
(609) 524 0065; E: mmp@genmab.com
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For Investor Relations:
Andrew Carlsen, Vice President, Head of Investor Relations
+45 3377 9558; E: acn@genmab.com
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Seagen Contacts:
For Media:
David Caouette
Vice President, Corporate Communications
(310) 430-3476
dcaouette@seagen.com
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For Investor Relations:
Douglas Maffei, Ph.D.
Vice President, Head of Investor Relations & ESG
(425) 527-4160
dmaffei@seagen.com
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(i) National Cancer Institute. SEER Cancer Stat Facts: Cervical
Cancer. 2020.
https://seer.cancer.gov/statfacts/html/cervix.html
(ii) McLachlan J, Boussios S, Okines A, et al. The impact of
systemic therapy beyond first-line treatment for advanced cervical
cancer. Clin Oncol (R Coll Radiol). 2017;29(3):153-60.
(iii) Pfaendler KS, Tewari KS. Changing paradigms in the
systemic treatment of advanced cervical cancer. Am J Obstet
Gynecol. 2016;214(1):22-30.
(iv) Key Statistics for Cervical Cancer. American Cancer
Society. Atlanta, GA. 2023.
https://www.cancer.org/cancer/types/cervical-cancer/about/key-statistics.html
Company Announcement no. 39
CVR no. 2102 3884
LEI Code 529900MTJPDPE4MHJ122
Genmab A/S
Carl Jacobsens Vej 30
2500 Valby
Denmark
Attachment
-- 230904_CA39_innovaTV 301 Topline Results
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September 04, 2023 15:00 ET (19:00 GMT)
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