ADC Therapeutics Announces Abstracts to be Presented at the Tenth Annual Meeting of the Society of Hematologic Oncology (SOHO 2022) – Business Wire

LAUSANNE, Switzerland--(BUSINESS WIRE)--ADC Therapeutics SA (NYSE: ADCT) today announced that ZYNLONTA (loncastuximab tesirine-lpyl) and camidanlumab tesirine (Cami) abstracts have been accepted for presentation at the Tenth Annual Meeting of the Society of Hematologic Oncology (SOHO 2022), which will be held in Houston, Texas from September 28October 1, 2022.

We are looking forward to sharing the encouraging initial safety run-in results from our LOTIS-5 Phase 3 clinical trial evaluating ZYNLONTA in combination with rituximab in patients with relapsed or refractory diffuse large B-cell lymphoma at SOHO 2022, said Joseph Camardo, MD, Chief Medical Officer of ADC Therapeutics. This is one of several clinical studies of ZYNLONTA in combination with other drugs intended to evaluate ZYNLONTA in earlier lines of treatment.

LOTIS-5 Initial Safety Run-In Results

LOTIS-5 is a Phase 3, randomized, openlabel, twopart, twoarm, multicenter study of loncastuximab tesirine in combination with rituximab (Lonca-R) in patients with relapsed or refractory diffuse large B-cell lymphoma (DLBCL). Twenty patients were enrolled in part 1 in a nonrandomized safety runin. In part 2, approximately 330 patients will be randomized 1:1 to receive LoncaR or rituximabgemcitabineoxaliplatin (RGemOx).

The 20 patients in the safety runin were a median age of 74.5 years (range 3593) and received a median of 1 previous therapy (range 16). As of the February 28, 2022, data cutoff:

These data will be presented in the following poster:

Initial Safety RunIn Results of the Phase 3 LOTIS5 Trial: Novel Combination of Loncastuximab Tesirine With Rituximab (LoncaR) Versus Immunochemotherapy in Patients With R/R DLBCLPoster Number: ABCL-320

Details of ADC Therapeutics other poster presentations:

A Phase 2, Open-Label Study of Loncastuximab Tesirine in Combination with Rituximab (Lonca-R) in Previously Untreated Unfit/Frail Patients with Diffuse Large B-cell Lymphoma (DLBCL) (LOTIS-9) (Encore data, first time as presentation)Poster Number: ABCL-272

Health-Related Quality of Life and Tolerability in Patients With/Without Skin Toxicity During Loncastuximab Tesirine Treatment in a Phase 2 Clinical Trial (LOTIS-2)Poster Number: ABCL-316

Long-term survival projections of loncastuximab tesirine-treated patients in relapsed or refractory (R/R) diffuse large B-cell lymphoma (DLBCL) (Encore data, first time as presentation)Poster Number: ABCL-334

Camidanlumab Tesirine: Updated Efficacy and Safety in an Open-Label, Multicenter, Phase 2 Study of Patients with Relapsed or Refractory Classical Hodgkin Lymphoma (R/R cHL) (Encore)Poster Number: HL-339

All posters will be presented on Wednesday, September 28 from 5:05 to 6:30 p.m. CT in Ballroom of Americas on Level 2 of the Hilton-Americas Houston. Posters will remain in the poster hall for viewing throughout the day on Thursday and Friday. Online access to posters for registered attendees will begin on Thursday, September 29.

Details of ADC Therapeutics oral presentation:

Camidanlumab Tesirine: Updated Efficacy and Safety in an Open-Label, Multicenter, Phase 2 Study of Patients with Relapsed or Refractory Classical Hodgkin Lymphoma (R/R cHL) (Encore)Date and Time: Friday, September 30, 5:48-5:58 p.m. CTLocation: Grand Ballroom G-L, 4th floorPresenter: Alex Herrera, MD, City of Hope, Duarte, California, USASession XII: Hodgkin Lymphoma

About ZYNLONTA (loncastuximab tesirine-lpyl)

ZYNLONTA is a CD19-directed antibody drug conjugate (ADC). Once bound to a CD19-expressing cell, ZYNLONTA is internalized by the cell, where enzymes release a pyrrolobenzodiazepine (PBD) payload. The potent payload binds to DNA minor groove with little distortion, remaining less visible to DNA repair mechanisms. This ultimately results in cell cycle arrest and tumor cell death.

The U.S. Food and Drug Administration (FDA) has approved ZYNLONTA (loncastuximab tesirine-lpyl) for the treatment of adult patients with relapsed or refractory (r/r) large B-cell lymphoma after two or more lines of systemic therapy, including DLBCL not otherwise specified, DLBCL arising from low-grade lymphoma and also high-grade B-cell lymphoma. The trial included a broad spectrum of heavily pre-treated patients (median three prior lines of therapy) with difficult-to-treat disease, including patients who did not respond to first-line therapy, patients refractory to all prior lines of therapy, patients with double/triple hit genetics and patients who had stem cell transplant and CAR-T therapy prior to their treatment with ZYNLONTA. This indication is approved by the FDA under accelerated approval based on overall response rate and continued approval for this indication may be contingent upon verification and description of clinical benefit in a confirmatory trial.

ZYNLONTA is also being evaluated as a therapeutic option in combination studies in other B-cell malignancies and earlier lines of therapy.

About Camidanlumab Tesirine (Cami)

Camidanlumab tesirine (Cami) is an antibody drug conjugate (ADC) comprised of a monoclonal antibody that binds to CD25 (HuMax-TAC, licensed from Genmab A/S), conjugated to the pyrrolobenzodiazepine (PBD) dimer payload, tesirine. Once bound to a CD25-expressing cell, Cami is internalized into the cell where enzymes release the PBD-based payload, killing the cell. This applies to CD25-expressing tumor cells and also to CD25-expressing Tregs. The intra-tumoral release of its PBD payload may also cause bystander killing of neighboring tumor cells, and PBDs have also been shown to induce immunogenic cell death. All of these properties of Cami may enhance immune-mediated anti-tumor activity.

Cami is being evaluated in a pivotal Phase 2 clinical trial in patients with relapsed or refractory Hodgkin lymphoma and a Phase 1b clinical trial as monotherapy and in combination with pembrolizumab in solid tumors.

About ADC Therapeutics

ADC Therapeutics (NYSE: ADCT) is a commercial-stage biotechnology company improving the lives of those affected by cancer with its next-generation, targeted antibody drug conjugates (ADCs). The Company is advancing its proprietary PBD-based ADC technology to transform the treatment paradigm for patients with hematologic malignancies and solid tumors.

ADC Therapeutics CD19-directed ADC ZYNLONTA (loncastuximab tesirine-lpyl) is approved by the FDA for the treatment of relapsed or refractory diffuse large b-cell lymphoma after two or more lines of systemic therapy. ZYNLONTA is also in development in combination with other agents. Cami (camidanlumab tesirine) is being evaluated in a pivotal Phase 2 trial for relapsed or refractory Hodgkin lymphoma and in a Phase 1b clinical trial for various advanced solid tumors. In addition to ZYNLONTA and Cami, ADC Therapeutics has multiple ADCs in ongoing clinical and preclinical development.

ADC Therapeutics is based in Lausanne (Biople), Switzerland and has operations in London, the San Francisco Bay Area and New Jersey. For more information, please visit https://adctherapeutics.com/ and follow the Company on Twitter and LinkedIn.

ZYNLONTA is a registered trademark of ADC Therapeutics SA.

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ADC Therapeutics Announces Abstracts to be Presented at the Tenth Annual Meeting of the Society of Hematologic Oncology (SOHO 2022) - Business Wire