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Antibody and Immunotoxin Treatments for Mesothelin-expressing Cancers

Abstract: Mesothelin is a cell surface protein that is highly expressed in aggressive cancers such as malignant mesothelioma, ovarian cancer, pancreatic cancer, lung cancer, breast cancer, cholangiocarcinoma, bile duct carcinoma and gastric cancer. As a result, mesothelin is an excellent candidate for tumor targeted immunotherapeutics. However, the...

Published: 5/21/2024 | Inventor(s): Mitchell Ho, Ira Pastan

Keywords(s): ANTIBODY, Immunotherapy, MESOTHELIN, therapeutic

Category(s): Collaboration Sought > Collaboration, Collaboration Sought > Licensing, Application > Therapeutics, TherapeuticArea > Oncology

Chimeric Antigen Receptors that Recognize Mesothelin for Cancer Immunotherapy

Abstract: Chimeric antigen receptors (CARs) with high affinity for mesothelin that can be used as an immunotherapy to treat cancers that express mesothelin, such as pancreatic cancer, ovarian cancer, and mesothelioma. The technology includes CAR constructs with one of three different mesothelin-specific antibody portions, including either the mouse-derived...

Published: 4/8/2024 | Inventor(s): Steven Feldman, Steven Rosenberg, Ira Pastan

Keywords(s): CAR, Immunotherapy, MESOTHELIN, T-CELLS

Category(s): TherapeuticArea > Oncology, Collaboration Sought > Collaboration, Collaboration Sought > Licensing, Application > Therapeutics

Increased Therapeutic Effectiveness of PE-Based Immunotoxins

Abstract: Patients receiving immunotoxin cancer therapy are less likely to experience the deleterious side-effects associated with non-discriminate therapies such as chemotherapy or radiation therapy. Unfortunately, the continued administration of immunotoxins often leads to a reduced patient response due to the formation of neutralizing antibodies...

Published: 5/21/2024 | Inventor(s): Ira Pastan, Masanori Onda, Wenhai Liu

Keywords(s): B-CELL, CHEMOTHERAPY, Human B cell epitopes, Immunogenic epitopes, Immunotoxin, Pseudomonas exotoxin A, T-cell

Category(s): Collaboration Sought > Licensing, Application > Therapeutics, Collaboration Sought > Collaboration, TherapeuticArea > Oncology

Monoclonal Antibodies and Immunoconjugates Directed to the Non-ShedPortion (“Stalk”) of Mesothelin are Excellent Candidates for Developing Therapeutic Agents

Abstract: Human mesothelin is overexpressed by various cancers such as synovial sarcoma, mesothelioma, and ovarian, lung, esophageal, and gastric cancers. This selective expression on certain cancers suggests that mesothelin is an excellent target for anticancer therapeutics. However, a large fragment (“the shed portion”) of mesothelin is constantly...

Published: 5/21/2024 | Inventor(s): Ira Pastan, Masanori Onda, Tapan Bera, Mitchell Ho

Keywords(s): ANTIBODY, CANCER, CAR, chimeric antigen receptor, diagnostic, IMMUNOCONJUGATES, IMMUNOTOXINS, MESOTHELIN, Pastan, therapeutic

Category(s): Collaboration Sought > Collaboration, Application > Therapeutics, TherapeuticArea > Oncology, Collaboration Sought > Licensing

Human and Improved Murine Monoclonal Antibodies Against CD22

Abstract: CD22 is a common cell surface glycoprotein expressed in B-cells and present in B-cell lymphomas; e.g., hairy cell leukemia (HCL), non-Hodgkins lymphoma (NHL), chronic lymphoblastic leukemia (CLL), and other cancers. It is therefore a target for cancer immunotherapy. Conjugation of anti-CD22 monoclonal antibodies with toxins or drugs has shown...

Published: 8/14/2024 | Inventor(s): Dimiter Dimitrov, Xiaodong Xiao, Ira Pastan

Keywords(s): antibodies, ANTIGEN, B-CELL, B-Cell Lymphoma, Bcl, CANCER, CD22, Chronic Lymphoblastic Leukemia, CLL, Dimitrov, Hairy cell leukemia, HCL, Human, monoclonal, NHL, non-Hodgkins lymphoma, Oncology

Category(s): Collaboration Sought > Collaboration, Collaboration Sought > Licensing, TherapeuticArea > Oncology, Application > Therapeutics

High Affinity Cross Species Single Domain Antibodies Targeting Mesothelin

Abstract: Mesothelin is a cell surface protein that is an excellent target for immunotherapy because of its limited expression on normal tissues and its high expression on many cancers, including mesothelioma, cholangiocarcinoma, pancreatic, ovarian, lung, stomach, bile duct, and triple-negative breast cancer. Researchers at the National Cancer Institute’s...

Published: 5/21/2024 | Inventor(s): Mitchell Ho, Ira Pastan, Jessica Hong, Nan Li

Keywords(s): ADC, Antibody-drug Conjugate, Bispecific Antibody, CAR, chimeric antigen receptor, HO, MESOTHELIN, Mesothelioma, Recombinant Immunotoxins, RITs

Category(s): Collaboration Sought > Licensing, TherapeuticArea > Oncology, Collaboration Sought > Collaboration, Application > Therapeutics

Chimeric Antigen Receptors (CAR)-T Cells that Target the Non-Shed Portion of Mesothelin as a Therapeutic Agent

Abstract: Mesothelin (MSLN) is an excellent target for antibody-based therapies of cancer because of its high expression in many malignancies but lack of expression on essential normal tissues. Unfortunately, a large fragment of MSLN is shed from cancer cells, causing the currently available anti-MSLN antibodies (and immunoconjugates thereof) which...

Published: 5/21/2024 | Inventor(s): Ira Pastan, Xiu Fen Liu, Tapan Bera, Masanori Onda, Mitchell Ho

Keywords(s): ANTIBODY, Bispecific T-cell engager, BITE, CANCER, CAR, chimeric antigen receptor, diagnostic, Immunotherapy, MESOTHELIN, Mesothelioma, Pastan, therapeutic

Category(s): TherapeuticArea > Oncology, Application > Therapeutics, Collaboration Sought > Licensing

Software for Modeling Delivery and Penetration of Antibody Conjugates

Abstract: The National Cancer Institute (NCI) seeks parties to license software for modeling the targeted delivery of anti-cancer agents in solid tumors. The software models the permeability and concentration of intravenously administered antibody anti-cancer agent conjugates in solid tumors. The models can be used to determine optimal dosing regimen...

Published: 5/21/2024 | Inventor(s): Byungkook Lee, Youngshang Pak, Ira Pastan

Keywords(s): Anti-Cancer Modeling, Dosing, Drug Design, Tumor Delivery, Tumor Penetration

Category(s): Collaboration Sought > Licensing, Application > Software / Apps, TherapeuticArea > Oncology

Chimeric Antigen Receptors to CD22 for Treating Hematological Cancers

Abstract: Chimeric antigen receptors (CARs) are hybrid proteins consisting of an antibody binding fragment fused to protein signaling domains that cause T-cells which express the CAR to become cytotoxic. Once activated, these cytotoxic T-cells can selectively eliminate the cells which they recognize via the antibody binding fragment of the CAR. Thus,...

Published: 4/8/2024 | Inventor(s): Rimas Orentas, Nirali Shah, Ira Pastan, Crystal Mackall, Dimiter Dimitrov

Keywords(s): Acute Lymphoblastic Leukemia, adoptive cell therapy, ALL, B-CELL, CD22, Chimeric antigen receptors (CARs), Chronic lymphocytic leukemia, CLL, Dimitrov, Hairy cell leukemia, HCL, Immunotherapy, pediatric

Category(s): TherapeuticArea > Oncology, Collaboration Sought > Collaboration, Collaboration Sought > Licensing, Application > Therapeutics

Improved PE-based Targeted Toxins: A Therapeutic with Increased Effectiveness

Abstract: Targeted toxins (e.g., immunotoxins) are therapeutics that have at least two important components: (1) a toxin domain that is capable of killing cells and (2) a targeting domain that is capable of selectively localizing the toxic domain to only those cells which should be killed. By selecting a targeting domain that binds only to certain diseased...

Published: 5/21/2024 | Inventor(s): Ira Pastan, Richard Beers, Masanori Onda

Keywords(s): Breast, HEAD, Hematological cancer, Immunotoxin, Ligand-targeted toxin, LUNG, NECK, OVARIAN, Toxin domain

Category(s): Collaboration Sought > Collaboration, Collaboration Sought > Licensing, Application > Therapeutics, TherapeuticArea > Oncology, TherapeuticArea > Cardiology

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