ImmunoGen to Present Full Results from SORAYA Trial of Mirvetuximab Soravtansine in Ovarian Cancer at the Society of Gynecologic Oncology Annual Meeting

Rhea-AI Summary

ImmunoGen, Inc. (Nasdaq: IMGN) announced multiple presentations at the Society of Gynecologic Oncology Annual Meeting from March 18-21, 2022 in Phoenix, Arizona. Key highlights include a late-breaking oral presentation of the pivotal SORAYA trial results for mirvetuximab soravtansine in ovarian cancer on March 19. An investor event is scheduled for March 20 at 7:30 am MST to discuss these findings. The company focuses on developing next-generation antibody-drug conjugates for improved cancer therapies.

Data from Pivotal Trial to be Highlighted in Oral Presentation on Saturday, March 19

Investor Event to be Held Sunday, March 20 at 7:30 am MST

WALTHAM, Mass.--(BUSINESS WIRE)-- ImmunoGen, Inc. (Nasdaq: IMGN), a leader in the expanding field of antibody-drug conjugates (ADCs) for the treatment of cancer, today announced that multiple abstracts were selected for oral and poster presentations at the Society of Gynecologic Oncology (SGO) Annual Meeting on Women’s Cancer to be held on March 18-21, 2022 in Phoenix, Arizona.

ORAL PRESENTATION
Full results from the pivotal SORAYA trial of mirvetuximab soravtansine (mirvetuximab) in ovarian cancer will be shared in a late-breaking oral presentation.

Title: Efficacy and Safety of Mirvetuximab Soravtansine in Patients with Platinum-Resistant Ovarian Cancer with High Folate Receptor Alpha Expression: Results from the SORAYA Study
Presenter: Dr. Ursula Matulonis, Chief of the Division of Gynecologic Oncology at the Dana-Farber Cancer Institute, Professor of Medicine at the Harvard Medical School, and SORAYA Co-Principal Investigator
Session: Scientific Plenary IV: Late-Breaking Abstracts
Session Date: Saturday, March 19, 2022
Session Time: 4:15 pm to 5:45 pm MST

POSTER PRESENTATIONS
Trial in progress posters from ImmunoGen’s MIRASOL and PICCOLO trials of mirvetuximab in ovarian cancer and a Phase 2 investigator-sponsored combination trial of mirvetuximab with carboplatin in the neoadjuvant setting will also be presented.

Title: MIRASOL: A Randomized, Open-Label, Phase 3 Study of Mirvetuximab Soravtansine vs. Investigator’s Choice of Chemotherapy in Advanced High-Grade Epithelial Ovarian, Primary Peritoneal, or Fallopian Tube Cancers with High Folate Receptor Alpha Expression
Presenter: Dr. Kathleen Moore, Director of the Oklahoma TSET Phase I Program, Associate Professor of the Section of Gynecologic Oncology at The University of Oklahoma College of Medicine, and MIRASOL Principal Investigator

Title: PICCOLO: An Open-Label, Single Arm, Phase 2 Study of Mirvetuximab Soravtansine in Recurrent Platinum-Sensitive, High-Grade Epithelial Ovarian, Primary Peritoneal, or Fallopian Tube Cancers with High Folate Receptor Alpha Expression
Presenter: Dr. Angeles Alvarez Secord, Professor of Obstetrics and Gynecology at Duke University School of Medicine in Durham, North Carolina

Title: Single-Arm Phase II Trial of Carboplatin and Mirvetuximab Soravtansine as Neoadjuvant Chemotherapy for Advanced-Stage Ovarian, Fallopian Tube or Primary Peritoneal Cancer who are Folate Receptor α Positive
Presenter: Dr. Jhalak Dholakia, Department of Obstetrics and Gynecology at the University of Alabama

OTHER PRESENTATIONS
Final data from the mirvetuximab plus bevacizumab platinum-agnostic combination study, which were originally shared at ASCO 2021, will be re-presented.

Title: Mirvetuximab Soravtansine, a Folate Receptor Alpha-Targeting Antibody Drug Conjugate in Combination with Bevacizumab in Patients with Platinum-Agnostic Ovarian Cancer: Final Analysis
Session: Seminal Abstracts: The Best of ASCO, ESMO, IGCS, and ESGO
Presenter: Dr. David O’Malley, Professor, Director of Gynecologic Oncology and the Director of the Division of Gynecologic Oncology at The Ohio State University and the James Cancer Center

Additional information can be found on the SGO website.

INVESTOR EVENT INFORMATION

ImmunoGen will hold an investor event to discuss the SORAYA data, featuring a roundtable with key opinion leaders, on Sunday, March 20 at 7:30 am MST/10:30 am EDT in the Moly Meeting Room at the Westin Phoenix Downtown. To access the live event by phone, dial (877) 621-5803; the conference ID is 1986619. The event may also be accessed via webstream on the Investors and Media section of the Company’s website, www.immunogen.com. Following the call, a replay will be available at the same location.

ABOUT IMMUNOGEN

ImmunoGen is developing the next generation of antibody-drug conjugates (ADCs) to improve outcomes for cancer patients. By generating targeted therapies with enhanced anti-tumor activity and favorable tolerability profiles, we aim to disrupt the progression of cancer and offer our patients more good days. We call this our commitment to TARGET A BETTER NOW™.

Learn more about who we are, what we do, and how we do it at www.immunogen.com.

FORWARD-LOOKING STATEMENTS

This press release includes forward-looking statements. These statements include, but are not limited to, ImmunoGen's expectations related to: the potential benefits of the Company's product candidates and the timing and presentation of preclinical and clinical data on the Company's product candidates. Various factors could cause ImmunoGen's actual results to differ materially from those discussed or implied in the forward-looking statements, and you are cautioned not to place undue reliance on these forward-looking statements, which are current only as of the date of this release. Factors that could cause future results to differ materially from such expectations include, but are not limited to: the timing and outcome of the Company's preclinical and clinical development processes; the difficulties inherent in the development of novel pharmaceuticals, including uncertainties as to the timing, expense, and results of preclinical studies, clinical trials, and regulatory processes; the timing and outcome of the Company's anticipated interactions with regulatory authorities; obtaining, maintaining, and protecting the Company's intellectual property; the Company's ability to financially support its product programs; risks and uncertainties associated with the scale and duration of the COVID-19 pandemic and the resulting impact on ImmunoGen's industry and business; and other factors as set forth in the Company's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 1, 2021, and other reports filed with the Securities and Exchange Commission.

View source version on businesswire.com: https://www.businesswire.com/news/home/20220310005106/en/

INVESTOR RELATIONS AND MEDIA

ImmunoGen

Courtney O'Konek

781-895-0600

courtney.okonek@immunogen.com

OR

FTI Consulting

Robert Stanislaro

212-850-5657

robert.stanislaro@fticonsulting.com

Source: ImmunoGen, Inc.

FAQ

What is the SORAYA trial in relation to ImmunoGen (IMGN)?

The SORAYA trial is a pivotal study evaluating the efficacy and safety of mirvetuximab soravtansine in patients with platinum-resistant ovarian cancer, with results presented at the SGO Annual Meeting.

When will ImmunoGen's investor event take place?

The investor event by ImmunoGen will be held on March 20, 2022, at 7:30 am MST.

What presentations will ImmunoGen have at the SGO Annual Meeting (IMGN)?

ImmunoGen will present the SORAYA trial results in a late-breaking oral session and several trial progress posters for the MIRASOL and PICCOLO studies.

Where will the SGO Annual Meeting be held?

The SGO Annual Meeting will take place in Phoenix, Arizona, from March 18-21, 2022.