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enGene, Inc. and Forbion European Acquisition Corp. (“FEAC”, Nasdaq: FRBN) Announce Business Combination Agreement to Create Nasdaq-Listed Biotechnology Company Developing Next-Generation Non-Viral, Locally Administered Gene Therapies

May 17, 2023

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  • Leading institutional investors commit $135 million USD in transaction financing, anchored by FEAC’s sponsor, Forbion Growth Sponsor FEAC I B.V. (together with its parent entity Forbion Growth Opportunities Fund I Cooperatief U.A., “Forbion Growth”).
  • enGene is a clinical-stage biotechnology company developing non-viral gene therapies based on its proprietary dually derivatized chitosan (“DDX”) platform that are re-dosable, manufacturable at scale and designed to be seamlessly integrated into community clinical practices across the globe.
  • Net proceeds are expected to be used to finance enGene’s operations through multiple potential value inflection milestones towards a potential Biologics License Application (“BLA”) submission in 2025 for detalimogene voraplasmid (EG-70), enGene’s intravesical candidate for BCG-unresponsive, non-muscle invasive bladder cancer (NMBIC) with carcinoma-in-situ (“CIS”).
  • Business combination is expected to be completed in H2 2023.

Montreal, Canada & Naarden, The Netherlands, May 17, 2023 — enGene, Inc. (“enGene”), a clinical-stage biotechnology company pioneering novel non-viral gene therapies for local administration into mucosal tissues, and Forbion European Acquisition Corp. (“FEAC,” Nasdaq: FRBN), a special purpose acquisition company, today announced that they have entered into a definitive business combination agreement. Upon closing of the transaction, the combined company will be named “enGene Holdings Inc.” whose common shares are expected to be listed on Nasdaq. The financing for the transaction includes Forbion Growth’s existing investment in FEAC Class A shares of $20 million and a PIPE investment, other private investment and non-redemption commitment of approximately $115 million, anchored by Forbion Growth, with the participation of new leading institutional investors including, among others, BVF Partners, Omega Funds, Cowen Healthcare Investments, Investissement Québec, Vivo Capital, Northleaf Capital Partners and CTI Life Sciences Fund III, along with existing enGene investors Forbion Ventures III, Fonds de solidarité FTQ and Lumira Ventures.

Net proceeds are expected to be used to fund the clinical development of intravesical detalimogene voraplasmid (EG-70), a monotherapy for Bacillus Calmette-Guérin (BCG)-unresponsive NMIBC with CIS through significant milestones. The transaction is further expected to support the development of earlier pipeline programs in gynecological/genitourinary (GYN/GU) malignancies and respiratory diseases.

“While gene therapy has fundamentally changed treatment outcomes for patients with challenging illnesses, the products themselves are often difficult to manufacture and administer,” said Jason Hanson, J.D., CEO of enGene. “Our mission at enGene is to broaden the reach of gene therapy by creating safe, locally deliverable, non-viral therapies while freeing physicians from the onerous handling procedures typically required by viral-based gene therapy products. The proposed business combination with FEAC will enable us to build on the favorable safety and promising preliminary efficacy data from the Phase 1 portion of our Phase 1/2 LEGEND clinical trial of intravesical detalimogene voraplasmid, which we believe has the potential to set a new bar for organ-sparing NMIBC treatments and serve as the cornerstone of a multi-indication franchise.”

“By the time patients are diagnosed with BCG-refractory NMIBC with CIS, most have already endured several courses of invasive multi-modal therapy, often involving surgery, intravesical chemotherapy, and BCG immunotherapy,” said Jasper Bos, Ph.D., CEO of FEAC. “Based on the Phase I results, we believe that detalimogene voraplasmid is likely to show meaningful monotherapy efficacy against this challenging backdrop, and it does not require the accompanying use of an indwelling device or co-administration with BCG or anti-PD-1/anti-PD-L1 agent. Moreover, in our view enGene’s DDX delivery platform holds promise for multiple difficult-to-treat diseases and FEAC is delighted to partner with enGene as we continue the growth and transformation of the company with the resources of FEAC supporting this mission.”

enGene and EG-70 Highlights
enGene’s proprietary DDX platform enables nucleic acid cargoes such as non-viral gene therapies to be dosed directly into the lumen of mucosal tissues. enGene developed DDX to penetrate mucus barriers and to deliver genes to mucosal epithelial cells in a way that is re-dosable, scalable, and designed to integrate into existing clinical practice.

enGene is advancing its immune-oncology platform, which includes its clinical-stage lead candidate detalimogene voraplasmid (EG-70), a non-viral gene therapy administered by intravesical instillation. By encoding two retinoic acid-inducible gene I (RIG-I) agonists to stimulate the innate immune system as well as interleukin-12 (IL-12) to stimulate the adaptive immune system, detalimogene voraplasmid’s dual immune mechanism in a monotherapy is designed to produce long-term, organ-sparing outcomes in BCG-unresponsive NMIBC with CIS.

Data from the ongoing Phase 1/2 LEGEND study of patients with high-grade BCG-unresponsive NMIBC with CIS show positive pharmacodynamic urinary biomarker data, an encouraging safety profile across all tested doses, and strong preliminary efficacy based on cytology, cystoscopy, and biopsy. Across all dose levels of the Phase 1 study, a 3-month complete response (CR) rate of 71% was observed, with 15 patients in CR (N=21). Significantly, 78% of patients (7 out of 9) treated in the dose planned for the potentially pivotal Phase 2 experienced a 3-month CR, with a 57% 6-month CR rate (4 out of 7) also observed in this cohort. All successfully treated patients who had reached the efficacy assessment were evaluated.

enGene’s discovery programs and corresponding preclinical data illustrate the broad potential of its delivery platform to target and deliver non-viral gene therapy through mucosal tissues to treat additional oncological and non-oncological diseases, including urogenital tumors and respiratory illnesses such as cystic fibrosis.

Transaction Highlights
Potential gross proceeds to enGene include Forbion Growth’s existing investment in FEAC Class A shares of $20 million and a PIPE investment, other private investment and non-redemption commitment of approximately $115 million, anchored by Forbion Growth, with the participation of new leading institutional investors including, among others, BVF Partners, Omega Funds, Cowen Healthcare Investments, Investissement Québec, Vivo Capital, Northleaf Capital Partners and CTI Life Sciences Fund III, along with existing enGene investors Forbion Ventures III, Fonds de solidarité FTQ and Lumira Ventures, as well as an additional approximately $111 million held in FEAC’s trust as of March 31, 2023 (exclusive of (i) Forbion Growth’s existing investment in FEAC Class A shares of $20 million and (ii) approximately $1.7 million of capital subject to the non-redemption commitment mentioned above, and assuming no redemptions).

The proposed transaction was unanimously approved by the board of directors of enGene and FEAC and is supported by existing shareholders of enGene.

The proposed transaction is expected to be completed in the second half of 2023, subject to, among other things, the approval by FEAC shareholders and enGene shareholders, the interim order and the final order approving the transaction having been granted by the Supreme Court of British Columbia, and the satisfaction or waiver of other customary closing conditions.

Additional information about the business combination, including a copy of the definitive business combination agreement and investor presentation, will be provided in a Current Report on Form 8-K to be filed by FEAC with the U.S. Securities and Exchange Commission (the “SEC”) and available at www.sec.gov.

FEAC Advisors
SVB Securities is acting as lead capital markets advisor to FEAC and UBS Investment Bank is acting as lead financial advisor and capital markets advisor to FEAC. Davis Polk & Wardwell London LLP serves as U.S. legal counsel, Stikeman Elliott LLP serves as Canadian legal counsel, Maples Group serves as legal counsel and Loyens & Loeff N.V. serves as Dutch legal counsel to FEAC.

SVB Securities is acting as the lead placement agent and UBS Investment Bank is acting as co-placement agent to FEAC in connection with the PIPE commitments. Kirkland & Ellis LLP serves as legal counsel to SVB Securities and UBS Investment Bank.

enGene Advisors
Morgan Stanley & Co. LLC is acting as financial advisor to enGene. Morgan Lewis & Bockius LLP serves as U.S. legal counsel and Blake, Cassels & Graydon LLP serves as Canadian legal counsel to enGene.

Investor Contact

For further information: enGene, Inc. (media@engene.com) or Jasper Bos, CEO, Forbion European Acquisition Corp. (jasper.bos@forbion.com).