Drugs / Inotuzumab Ozogamicin
last change Aug 2026 re-read 2 minutes ago

Inotuzumab Ozogamicin

Monoclonal antibody targets CD22

Developed for
acute lymphoblastic leukemia · B-cell acute lymphoblastic leukemia · B-cell non-Hodgkin lymphoma · B-lymphoblastic leukemia/lymphoma with t(9;22)(q34.1;q11.2) · precursor B-cell acute lymphoblastic leukemia · lymphoblastic lymphoma · Burkitt lymphoma · diffuse large B-cell lymphoma
+14 more · precursor lymphoblastic lymphoma/leukemia · acute leukemia of ambiguous lineage · adult acute lymphoblastic leukemia · B-cell adult acute lymphocytic leukemia · blast phase chronic myelogenous leukemia, BCR-ABL1 positive · follicular lymphoma · hematopoietic and lymphoid cell neoplasm · high grade B-cell lymphoma · high grade B-cell lymphoma with MYC and/ or BCL2 and/or BCL6 rearrangement · large B-cell lymphoma · leukemia · lymphoma · non-Hodgkin lymphoma · Philadelphia-positive myelogenous leukemia
Investigated by
Pfizer · National Cancer Institute (NCI) · M.D. Anderson Cancer Center · Institute of Hematology & Blood Diseases Hospital, China · UCB Pharma · Alliance for Clinical Trials in Oncology
+52 more · Cancer Research UK · Children's Oncology Group · First Affiliated Hospital of Zhejiang University · The First Affiliated Hospital of Soochow University · Wyeth is now a wholly owned subsidiary of Pfizer · Aamu Pediatric Cancer Foundation · AbbVie · Acreditar - Associação de Pais e Amigos das Crianças com Cancro · Affiliated Hospital of Nantong University · Amgen · Assistance Publique - Hôpitaux de Paris · Belgium Health Care Knowledge Centre · Children's Hospital Medical Center, Cincinnati · Clinical Trial Center North (CTC North GmbH & Co. KG) · Cristiana Sessa · Dana-Farber Cancer Institute · Danish Cancer Society · Danish Child Cancer Foundation · Direction Générale de l'Offre de Soins · Fundação Rui Osório de Castro · GIMEMA Foundation · German Society for Pediatric Oncology and Hematology GPOH gGmbH · Grupo Português De Leucemias Pediátricas · Jining Medical University · Karolinska Institutet · Leland Metheny · Mats Heyman · Nicola Goekbuget · NordForsk · Northern Jiangsu People's Hospital · Nova Laboratories Limited · Roswell Park Cancer Institute · SWOG Cancer Research Network · Servier · Sheng-Li Xue, MD · St. Jude Children's Research Hospital · Suzhou Hospital of Traditional Chinese Medicine · Swedish Cancer Society · The First Affiliated Hospital of Bengbu Medical University · The Lymphoma Academic Research Organisation · The Novo Nordic Foundation · The Second People's Hospital of Huai'an · The Swedish Childhood Cancer Foundation · The Swedish Research Council · University College, London · University of Chicago · University of Virginia · University of Washington · University of Wisconsin, Madison · Vanderbilt University · Versailles Hospital · Virginia Commonwealth University

Regulatory milestones approvals, filings & regulatory actions · 3 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansion US (FDA) BESPONSA 2024-03-06 fda.gov
Approved US (FDA) BESPONSA 2017-08-17 fda.gov
Approved EU (EMA) Besponsa 2017-06-28 europa.eu

Trials 58 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 110 trials
Phase 1 NCT06863259 May 2025 → Jan 2028 expected B-cell acute lymphoblastic leukemia Children's Hospital Medical Center, Cincinnati Recruiting No outcome recorded
Phase 1 NCT03962465 Jul 2022 → Jul 2023 overdue B-cell acute lymphoblastic leukemia University of Virginia Active not recruiting No outcome recorded
Phase 1 NCT05016947 Sep 2021 → Jul 2023 overdue B-cell acute lymphoblastic leukemia Dana-Farber Cancer Institute Active not recruiting No outcome recorded
Phase 1 NCT03991884 Sep 2019 → Oct 2022 B-cell acute lymphoblastic leukemia University of Washington Completed No outcome recorded
Phase 1 NCT01925131 Jun 2014 → Jan 2022 B-cell adult acute lymphocytic leukemia, Burkitt lymphoma, acute leukemia of ambiguous lineage SWOG Cancer Research Network Completed No outcome recorded
Phase 1 NCT01535989 Dec 2011 → Jun 2016 B-cell non-Hodgkin lymphoma Cristiana Sessa Completed No outcome recorded
Phase 1 NCT01055496 Mar 2010 → Jul 2013 B-cell non-Hodgkin lymphoma Pfizer Completed No outcome recorded
Phase 1 NCT00724971 Jul 2008 → Mar 2010 B-cell non-Hodgkin lymphoma Pfizer Completed No outcome recorded
Phase 1 NCT00717925 Mar 2007 → Jul 2008 B-cell non-Hodgkin lymphoma Wyeth is now a wholly owned subsidiary of Pfizer Completed No outcome recorded
Phase 1 NCT00073749 Aug 2003 → Dec 2010 B-cell non-Hodgkin lymphoma Pfizer Completed No outcome recorded
Phase 1/28 trials
Phase 1/2 NCT06087419 Oct 2023 → Dec 2024 acute lymphoblastic leukemia Institute of Hematology & Blood Diseases Hospital, China Unknown No outcome recorded
Phase 1/2 NCT03851081 Jan 2021 → Jan 2023 B-cell acute lymphoblastic leukemia, disease related to hematopoietic stem cell transplant Roswell Park Cancer Institute Withdrawn No outcome recorded
Phase 1/2 NCT03104491 Jul 2017 → Nov 2025 overdue acute lymphoblastic leukemia Leland Metheny Recruiting No outcome recorded
Phase 1/2 NCT02311998 Apr 2015 → Mar 2022 B-lymphoblastic leukemia/lymphoma with t(9;22)(q34.1;q11.2), Philadelphia-positive myelogenous leukemia, blast phase chronic myelogenous leukemia, BCR-ABL1 positive M.D. Anderson Cancer Center Completed No outcome recorded
Phase 1/2 NCT01562990 Dec 2012 → Aug 2014 diffuse large B-cell lymphoma The Lymphoma Academic Research Organisation Completed No outcome recorded
Phase 1/2 NCT01664910 Oct 2012 → Jun 2023 hematopoietic and lymphoid cell neoplasm M.D. Anderson Cancer Center Completed No outcome recorded
Phase 1/2 NCT01371630 Aug 2011 → Dec 2027 expected B-cell acute lymphoblastic leukemia, B-lymphoblastic leukemia/lymphoma with t(9;22)(q34.1;q11.2), Burkitt lymphoma, high grade B-cell lymphoma +1 M.D. Anderson Cancer Center Recruiting No outcome recorded
Phase 1/2 NCT00299494 May 2006 → May 2014 B-cell non-Hodgkin lymphoma Pfizer Completed No outcome recorded
Phase 230 trials
Phase 2 NCT07643103 Jun 2026 → May 2028 expected precursor B-cell acute lymphoblastic leukemia Institute of Hematology & Blood Diseases Hospital, China Not yet recruiting No outcome recorded
Phase 2 NCT07443488 Mar 2026 → Oct 2027 expected acute lymphoblastic leukemia, disease related to hematopoietic stem cell transplant Institute of Hematology & Blood Diseases Hospital, China Not yet recruiting No outcome recorded
Phase 2 NCT06985498 Jun 2025 → Jun 2029 acute lymphoblastic leukemia The First Affiliated Hospital of Soochow University Suspended No outcome recorded
Phase 2 NCT06985485 May 2025 → Dec 2027 expected B-cell acute lymphoblastic leukemia The First Affiliated Hospital of Soochow University Recruiting No outcome recorded
Phase 2 NCT06861348 Mar 2025 → Apr 2026 overdue acute lymphoblastic leukemia First Affiliated Hospital of Zhejiang University Not yet recruiting No outcome recorded
Phase 2 NCT06554626 Aug 2024 → Aug 2026 overdue precursor B-cell acute lymphoblastic leukemia First Affiliated Hospital of Zhejiang University Recruiting No outcome recorded
Phase 2 NCT06427330 Jul 2024 → Jun 2025 acute lymphoblastic leukemia Institute of Hematology & Blood Diseases Hospital, China Unknown No outcome recorded
Phase 2 NCT06387121 Apr 2024 → Dec 2026 expected precursor lymphoblastic lymphoma/leukemia Institute of Hematology & Blood Diseases Hospital, China Recruiting No outcome recorded
Phase 2 NCT05645718 Jul 2023 → Dec 2027 expected leukemia M.D. Anderson Cancer Center Recruiting No outcome recorded
Phase 2 NCT05303792 Jun 2023 → Apr 2027 expected B-cell acute lymphoblastic leukemia, lymphoblastic lymphoma Alliance for Clinical Trials in Oncology Active not recruiting No outcome recorded
Phase 36 trials
Phase 3 NCT04307576 Jul 2020 → Jun 2033 expected acute lymphoblastic leukemia Mats Heyman Recruiting No outcome recorded
Phase 3 NCT03959085 Oct 2019 → Mar 2032 expected B-cell acute lymphoblastic leukemia, central nervous system leukemia, lymphoblastic lymphoma, mixed phenotype acute leukemia +1 Children's Oncology Group Recruiting No outcome recorded
Phase 3 NCT03150693 Sep 2017 → Mar 2027 expected B-cell acute lymphoblastic leukemia Alliance for Clinical Trials in Oncology Recruiting No outcome recorded
Phase 3 NCT01564784 Aug 2012 → Mar 2016 acute lymphoblastic leukemia Pfizer Completed No outcome recorded
Phase 3 NCT01232556 Apr 2011 → Mar 2014 non-Hodgkin lymphoma Pfizer Terminated No outcome recorded
Phase 3 NCT00562965 Nov 2007 → Apr 2011 follicular lymphoma Pfizer Terminated No outcome recorded
Phase 42 trials
Phase 4 NCT05687032 Feb 2023 → Aug 2024 acute lymphoblastic leukemia Pfizer Completed No outcome recorded
Phase 4 NCT03677596 Jul 2019 → Sep 2022 acute lymphoblastic leukemia Pfizer Completed No outcome recorded
Phase not applicable2 trials
NCT07495631 Apr 2026 → Mar 2028 expected adult acute lymphoblastic leukemia Institute of Hematology & Blood Diseases Hospital, China Recruiting No outcome recorded
NCT05603156 Oct 2022 → Jul 2024 B-lymphoblastic leukemia/lymphoma with t(9;22)(q34.1;q11.2) Institute of Hematology & Blood Diseases Hospital, China Unknown No outcome recorded
Also used as a comparator or background therapy in 3 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1/21 trial
Phase 1/2 NCT06287229 Background Jul 2024 → Dec 2028 expected B-cell acute lymphoblastic leukemia M.D. Anderson Cancer Center Recruiting No outcome recorded
Phase 31 trial
Phase 3 NCT07476729 Comparator Apr 2026 → Mar 2033 expected B-cell acute lymphoblastic leukemia Charite University, Berlin, Germany Not yet recruiting No outcome recorded
Phase not stated1 trial
NCT03127605 Background Pfizer Approved for marketing No outcome recorded

Press releases naming this drug 7 releases

DateIssuerRelease
2017-08-17 Pfizer Pfizer Receives U.S. FDA Approval for BESPONSA® (inotuzumab ozogamicin) pfizer.com
2017-06-30 Pfizer BESPONSA® Approved in the EU for Adult Patients with Relapsed or Refractory B-cell Precursor Acute Lymphoblastic Leukemia pfizer.com
2017-04-21 Pfizer Pfizer Receives Positive CHMP Opinion for BESPONSA® (Inotuzumab Ozogamicin) for the Treatment of Relapsed or Refractory Acute Lymphoblastic Leukemia pfizer.com
2017-02-21 Pfizer Pfizer Announces Acceptance of Regulatory Submission for Inotuzumab Ozogamicin by the U.S. Food and Drug Administration pfizer.com
2016-06-12 Pfizer Pfizer Announces Final Results from Inotuzumab Ozogamicin Pivotal Phase 3 Study in Adults with Relapsed/Refractory Acute Lymphoblastic Leukemia pfizer.com
2015-10-19 Pfizer Pfizer’s Inotuzumab Ozogamicin Receives FDA Breakthrough Therapy Designation for Acute Lymphoblastic Leukemia (ALL) pfizer.com
2015-04-21 Pfizer Pfizer Phase 3 Study Of Inotuzumab Ozogamicin Meets Primary Endpoint In Adult Patients With Relapsed Or Refractory Acute Lymphoblastic Leukemia pfizer.com

Evidence & citations 11 cited values

Every value below carries the sentence it was read from. 69 sources stand behind the page.

FieldValueCited text
Known as Inotuzumab Ozogamicin “First-Line Consolidation Chemotherapy with Olverembatinib + Inotuzumab Ozogamicin Olverembatinib: 40 mg every other day (QOD), from day 1 to day 28.” NCT07443488
58

“Immunotherapies includes CD19-directed CD3 T-cell engager, inotuzumab ozogamicin (INO) and CD22/CD19 CAR-T cell.” NCT06985498

Inotuzumab ozogamicin, venetoclax, vincristine, and prednisone.” NCT07495631

NCT01363297

NCT05748171

NCT05940961

NCT06087419

NCT03127605

NCT03150693

NCT06554626

NCT02311998

NCT02877303

NCT05603156

NCT01925131

NCT03460522

NCT05456698

NCT06985485

NCT01232556

NCT03094611

NCT02981628

NCT03851081

NCT01055496

NCT01664910

NCT03488225

NCT01564784

NCT07476729

NCT06863259

NCT00868608

NCT03610438

NCT03991884

NCT01535989

NCT03962465

NCT03739814

NCT04307576

NCT03104491

NCT05645718

NCT06861348

NCT03856216

NCT07643103

NCT06427330

NCT03959085

NCT03249870

NCT03441061

NCT05016947

NCT05687032

NCT03677596

NCT04747912

NCT00073749

NCT00299494

NCT06287229

NCT01371630

NCT00867087

NCT01679119

NCT00717925

NCT03913559

NCT06387121

NCT00724971

NCT00562965

NCT05303792

Known as BESPONSA “Inotuzumab ozogamicin (BESPONSA™) is a CD22 targeted antibody drug conjugate (ADC) approved by US FDA for treatment of adults with relapsed or refractory B cell precursor acute...” NCT03677596
1

“two 3- week cycles of Inotuzumab ozogamicin (InO) - Besponsa®.” NCT04307576

Known as CMC-544 “Inotuzumab ozogamicin (CMC-544), an antibody-targeted chemotherapeutic agent composed of an anti-CD22 antibody conjugated to calicheamicin, a potent cytotoxic antibiotic,...” PMID 20491780 Apr 2010
5

“Inotuzumab Ozogamicin (CMC-544), a humanized anti-CD22 antibody conjugated to the potent cytotoxic antibiotic calicheamicin, targets the CD22 antigen expressed on the majority...” PMID 22335424 Mar 2012

“Inotuzumab ozogamicin (PF-05208773; CMC-544) is an antibody-targeted intravenous (IV) chemotherapy agent composed of an anti-CD22 antibody linked to calicheamicin, a potent...” NCT03460522

“Inotuzumab Ozogamicin (CMC-544)” NCT00868608

NCT01562990

NCT01134575

Known as InO “Objective: To evaluate safety, tolerability, and preliminary activity of inotuzumab ozogamicin (InO) plus rituximab, gemcitabine, dexamethasone, and cisplatin (R-GDP) in...” PMID 28959500 Aug 2017
9

Inotuzumab ozogamicin (InO), a humanized anti-CD22 monoclonal antibody conjugated to the cytotoxic antibiotic agent calicheamicin, has demonstrated efficacy in the phase 3...” PMID 29330398 Jan 2018

“Among ADCs, inotuzumab ozogamicin (InO) has proven effective as monotherapy for relapsed disease, leading to FDA approval for patients aged >1 year with relapsed/refractory B-ALL.” PMID 41671463 Dec 2025

“The efficacy of inotuzumab ozogamicin (InO), a humanized anti-CD22 monoclonal antibody conjugated to the cytotoxic antibiotic calicheamicin, was evaluated in R/R ALL patients” PMID 33231879 Nov 2020

Inotuzumab ozogamicin (InO) is a CD22-targeted monoclonal antibody conjugated to the cytotoxic antibiotic calicheamicin.” NCT06861348

“Immunotherapies includes CD19-directed CD3 T-cell engager, inotuzumab ozogamicin (INO) and CD22/CD19 CAR-T cell.” NCT06985498

Inotuzumab ozogamicin (InO) is an antibody-drug conjugate that delivers calicheamicin to CD22-expressing cells.” PMID 38551807 Jul 2024

“two 3- week cycles of Inotuzumab ozogamicin (InO) - Besponsa®.” NCT04307576

“Drug: Inotuzumab ozogamicin (INO)” NCT03249870

“Drug: Inotuzumab ozogamicin (INO)” NCT07476729

Known as inotuzumab Inotuzumab ozogamicin is a monoclonal antibody, called inotuzumab, linked to a toxic agent called N-acetyl-gamma-calicheamicin dimethyl hydrazide (CalichDMH).” NCT01371630
6

Inotuzumab ozogamicin is a monoclonal antibody, called inotuzumab, linked to a chemotherapy drug called ozogamicin.” NCT03856216

Inotuzumab ozogamicin is a monoclonal antibody, called inotuzumab, linked to a chemotherapy drug called ozogamicin.” NCT03150693

Inotuzumab ozogamicin (InO) is an antibody-drug conjugate that delivers calicheamicin to CD22-expressing cells.” PMID 38551807 Jul 2024

Inotuzumab Ozogamicin is a monoclonal antibody, called inotuzumab, linked to a toxic agent called ozogamicin.” NCT03094611

Inotuzumab ozogamicin is a monoclonal antibody, called inotuzumab, linked to a toxic agent called ozogamicin.” NCT02981628

Inotuzumab ozogamicin is a monoclonal antibody, called inotuzumab, linked to a drug, called CalichDMH.” NCT05303792

Known as Inotuzumab Ozogamycin “Determine the maximum tolerated dose (MTD) of inotuzumab ozogamicin (inotuzumab ozogamycin) in combination with low-intensity chemotherapy in elderly patients (age 60 or older)...” NCT01371630
1

“CMC-544 (Inotuzumab Ozogamycin)” NCT01134575

Known as PF-05208773 “Inotuzumab ozogamicin (PF-05208773; CMC-544) is an antibody-targeted intravenous (IV) chemotherapy agent composed of an anti-CD22 antibody linked to calicheamicin, a potent...” NCT03460522
Action Deplete “This may cause the cancer cells to die.” NCT01134575
Modality Monoclonal antibody “Inotuzumab ozogamicin (INO) is an antibody-targeted chemotherapy agent composed of a humanized anti-CD22 antibody conjugated to calicheamicin, a potent cytotoxic agent.” PMID 23295790 Jan 2013
Route Intravenous “CMC-544, IV, dose escalation trial” NCT00073749
Target CD22 “Inotuzumab ozogamicin (INO) is an antibody-targeted chemotherapy agent composed of a humanized anti-CD22 antibody conjugated to calicheamicin, a potent cytotoxic agent.” PMID 23295790 Jan 2013