Cellectis

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Cellectis is a global clinical-stage biopharmaceutical company. Pioneers and innovators in our field, our mission is to develop innovative treatments for patients with unmet medical needs. With 25 years of expertise, we have the best-in-class gene editing platform focusing on immuno-oncology, and gene therapy. Through our efficient and precise TALEN® technology, we create allogeneic CAR-T cells capable of recognizing and combating cancer cells. Today, our two* clinical programs target patients with relapsed/refractory B-cell acute lymphoblastic leukemia (B-ALL) and non-Hodgkin lymphoma (NHL). We are fully integrated and a leader in end-to-end gene editing, allogeneic CAR T-cell companies. With our in-house manufacturing, we control our gene and cell therapy process from start to finish with starting materials produced in Paris (France) and CAR-T therapy products created in Raleigh, NC. We also have several ongoing strong collaborations, based on our TALEN® technology, with leading cell & gene therapy companies, including our recent partnership with AstraZeneca, to develop new product candidates in oncology, immunology, and treatment of rare diseases. At Cellectis, we are committed to a cure. Cellectis headquarters are in Paris, France, with additional locations in New York, New York and Raleigh, North Carolina. Cellectis is listed on the Nasdaq Global Market (ticker: CLLS) and on Euronext Growth (ticker: ALCLS). To find out more about us, visit our website: www.cellectis.com. To learn more about our community guidelines, visit: http://www.cellectis.com/en/social-media-guidelines/ Follow our other social media account on X. (*) On November 4, 2024, Cellectis decided to focus its current development efforts on the BALLI-01 and NATHALI-01 studies and therefore to deprioritize the development of UCART123. TALEN® is a registered trademark owned by the Cellectis Group.

Company Details

Employees
237
Founded
-
Address
Biopark - 8 Rue De La Croix Jarry, Paris,75013,france
Phone
+1 (347) 752-4044
Industry
Biotechnology Research
NAICS
Research and Development in Biotechnology (except Nanobiotechnology)
HQ
Paris
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News

Cellectis Hosts R&D Day Today Showcasing Pipeline Progress and Long-Term Value Drivers - Yahoo Finance

Cellectis Hosts R&D Day Today Showcasing Pipeline Progress and Long-Term Value Drivers Yahoo Finance

Full Phase 1 dataset — Cellectis unveils lasme-cel Phase 2 strategy for r/r B-ALL at R&D Day Oct 16 - Stock Titan

Full Phase 1 dataset — Cellectis unveils lasme-cel Phase 2 strategy for r/r B-ALL at R&D Day Oct 16 Stock Titan

Cellectis’ R&D Day Highlights Lasme-cel’s Potential to Address Significant Unmet Need for Patients with r/r B-ALL - Yahoo Finance

Cellectis’ R&D Day Highlights Lasme-cel’s Potential to Address Significant Unmet Need for Patients with r/r B-ALL Yahoo Finance

Cellectis Presents ‘Smart CAR T’ Strategy to Enhance Efficacy Against Solid Tumors at AACR-IO 2025 - GlobeNewswire

Cellectis Presents ‘Smart CAR T’ Strategy to Enhance Efficacy Against Solid Tumors at AACR-IO 2025 GlobeNewswire

High HSPC gene insertion from CssDNA; Cellectis presents non-viral template & TALEB off-target data at ESGCT - Stock Titan

High HSPC gene insertion from CssDNA; Cellectis presents non-viral template & TALEB off-target data at ESGCT Stock Titan

Cellectis to Present Data on Non-Viral Gene Therapy and TALE Base Editors at the ESGCT Annual Congress - Yahoo Finance

Cellectis to Present Data on Non-Viral Gene Therapy and TALE Base Editors at the ESGCT Annual Congress Yahoo Finance

100% ORR in target cohort — Cellectis moves lasme-cel into pivotal Phase 2 to address r/r B-ALL in adults - Stock Titan

100% ORR in target cohort — Cellectis moves lasme-cel into pivotal Phase 2 to address r/r B-ALL in adults Stock Titan

AstraZeneca, Cellectis targeted in patent lawsuit over gene-editing technology - Reuters

AstraZeneca, Cellectis targeted in patent lawsuit over gene-editing technology Reuters

Cellectis Reports Second Quarter 2025 Financial Results & Business Updates - Yahoo Finance

Cellectis Reports Second Quarter 2025 Financial Results & Business Updates Yahoo Finance

Cellectis gets another bailout | ApexOnco - Clinical Trials news and analysis - Oncology Pipeline

Cellectis gets another bailout | ApexOnco - Clinical Trials news and analysis Oncology Pipeline

Harvard’s Wyss Institute partners with Cellectis to recode the human genome - Wyss Institute at Harvard

Harvard’s Wyss Institute partners with Cellectis to recode the human genome Wyss Institute at Harvard

AstraZeneca takes 22% stake in Cellectis as part of collab for 10 cell and gene therapies - Fierce Biotech

AstraZeneca takes 22% stake in Cellectis as part of collab for 10 cell and gene therapies Fierce Biotech

Cellectis Advances Leukemia Treatment: FDA Green Light for Phase 2 Trial as Cash Runway Extends to 2027 - Stock Titan

Cellectis Advances Leukemia Treatment: FDA Green Light for Phase 2 Trial as Cash Runway Extends to 2027 Stock Titan

Cellectis to Report Second Quarter 2025 Financial Results on August 4, 2025 - Yahoo Finance

Cellectis to Report Second Quarter 2025 Financial Results on August 4, 2025 Yahoo Finance

Cellectis to Report Third Quarter 2023 Financial Results on November 6, 2023 - Stock Titan

Cellectis to Report Third Quarter 2023 Financial Results on November 6, 2023 Stock Titan

Cellectis Announces Positive Preliminary Clinical Data for UCART22 in ALL and UCART123 in AML - Yahoo Finance

Cellectis Announces Positive Preliminary Clinical Data for UCART22 in ALL and UCART123 in AML Yahoo Finance

Cellectis Leads The Charge In European Penny Stocks - Yahoo Finance

Cellectis Leads The Charge In European Penny Stocks Yahoo Finance

Stromal depletion by TALEN-edited universal hypoimmunogenic FAP-CAR T cells enables infiltration and anti-tumor cytotoxicity of tumor antigen-targeted CAR-T immunotherapy - Frontiers

Stromal depletion by TALEN-edited universal hypoimmunogenic FAP-CAR T cells enables infiltration and anti-tumor cytotoxicity of tumor antigen-targeted CAR-T immunotherapy Frontiers

Straightforward Generation of Ultrapure Off-the-Shelf Allogeneic CAR-T Cells - Frontiers

Straightforward Generation of Ultrapure Off-the-Shelf Allogeneic CAR-T Cells Frontiers

Cellectis: Partnerships And Promised Data In 2025 Continue To Justify The Buy (CLLS) - Seeking Alpha

Cellectis: Partnerships And Promised Data In 2025 Continue To Justify The Buy (CLLS) Seeking Alpha

Cellectis Announces the execution of the Subsequent Investment Agreement with AstraZeneca - Stock Titan

Cellectis Announces the execution of the Subsequent Investment Agreement with AstraZeneca Stock Titan

Alemtuzumab Earns FDA Orphan Drug Designation for Lymphodepletion Before UCART22 in R/R B-ALL - OncLive

Alemtuzumab Earns FDA Orphan Drug Designation for Lymphodepletion Before UCART22 in R/R B-ALL OncLive

Multi-armored allogeneic MUC1 CAR T cells enhance efficacy and safety in triple-negative breast cancer - Science | AAAS

Multi-armored allogeneic MUC1 CAR T cells enhance efficacy and safety in triple-negative breast cancer Science | AAAS

Cytovia Therapeutics and Cellectis Partner to Develop TALEN® Gene-Edited iPSC-Derived Natural Killer Cells - GlobeNewswire

Cytovia Therapeutics and Cellectis Partner to Develop TALEN® Gene-Edited iPSC-Derived Natural Killer Cells GlobeNewswire

Cellectis drops one of its 3 clinical-stage CAR-Ts - Fierce Biotech

Cellectis drops one of its 3 clinical-stage CAR-Ts Fierce Biotech

Beyond TALENs - Science | AAAS

Beyond TALENs Science | AAAS

Allogene licensor Cellectis faces patent lawsuit in the U.S. - Seeking Alpha

Allogene licensor Cellectis faces patent lawsuit in the U.S. Seeking Alpha

Cellectis: Cheap With Promising But Speculative Cancer Therapies (NASDAQ:CLLS) - Seeking Alpha

Cellectis: Cheap With Promising But Speculative Cancer Therapies (NASDAQ:CLLS) Seeking Alpha

Cellectis: Poised To Start Answering Questions In 2025 (NASDAQ:CLLS) - Seeking Alpha

Cellectis: Poised To Start Answering Questions In 2025 (NASDAQ:CLLS) Seeking Alpha

New AstraZeneca, Cellectis Alliance Spans Up to 10 Cell & Gene Therapies - MedCity News

New AstraZeneca, Cellectis Alliance Spans Up to 10 Cell & Gene Therapies MedCity News

Biotech sues AstraZeneca and Cellectis over mRNA patents - Life Sciences Intellectual Property Review

Biotech sues AstraZeneca and Cellectis over mRNA patents Life Sciences Intellectual Property Review

AstraZeneca Invests $140M in Cellectis, Secures 44% Stake in CAR-T Specialist - BioSpace

AstraZeneca Invests $140M in Cellectis, Secures 44% Stake in CAR-T Specialist BioSpace

Cellectis, AstraZeneca Hit with IP Suit Over Gene-Editing Technology - USA Herald

Cellectis, AstraZeneca Hit with IP Suit Over Gene-Editing Technology USA Herald

Weill Cornell Medical College and Cellectis Announce Research Alliance Advancing Drug Discovery and the Translation of Novel Immunotherapies in Leukemia - WCM Newsroom

Weill Cornell Medical College and Cellectis Announce Research Alliance Advancing Drug Discovery and the Translation of Novel Immunotherapies in Leukemia WCM Newsroom

Why Is Cellectis (CLLS) Stock Up 175% Today? - InvestorPlace

Why Is Cellectis (CLLS) Stock Up 175% Today? InvestorPlace

Efficient multitool/multiplex gene engineering with TALE-BE - Frontiers

Efficient multitool/multiplex gene engineering with TALE-BE Frontiers

Death in Cellectis off-the-shelf CAR-T trial triggers FDA hold - Fierce Biotech

Death in Cellectis off-the-shelf CAR-T trial triggers FDA hold Fierce Biotech

Servier bags expanded rights to Cellectis' CD19 CAR-Ts - Fierce Biotech

Servier bags expanded rights to Cellectis' CD19 CAR-Ts Fierce Biotech

Latest Gene Editing Clinical Trials for Cancer - CRISPR Medicine News

Latest Gene Editing Clinical Trials for Cancer CRISPR Medicine News

Gene editing and elimination of latent herpes simplex virus in vivo - Nature

Gene editing and elimination of latent herpes simplex virus in vivo Nature

CAR T-cell Therapy for Mesothelioma - Mesothelioma Guide

CAR T-cell Therapy for Mesothelioma Mesothelioma Guide

FDA hits Cellectis’ off-the-shelf CAR-T program with clinical hold after first patient treated in phase 1 trial dies - Fierce Biotech

FDA hits Cellectis’ off-the-shelf CAR-T program with clinical hold after first patient treated in phase 1 trial dies Fierce Biotech

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