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

Inotuzumab

also known as G5/44

Other / unclassified targets CD22

Developed for
acute lymphoblastic leukemia · lymphoblastic lymphoma · precursor B-cell acute lymphoblastic leukemia
Investigated by
Amgen · PETHEMA Foundation · Pfizer · St. Jude Children's Research Hospital

Trials 2 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 21 trial
Phase 2 NCT06533748 Jan 2025 → May 2028 expected lymphoblastic lymphoma, precursor B-cell acute lymphoblastic leukemia St. Jude Children's Research Hospital Recruiting No outcome recorded
Phase not applicable1 trial
NCT07443592 Mar 2026 → Mar 2031 expected acute lymphoblastic leukemia PETHEMA Foundation Not yet recruiting No outcome recorded
Also used as a comparator or background therapy in 1 trial
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 3 NCT03628053 Comparator Jun 2020 → Oct 2025 acute lymphoblastic leukemia Novartis Pharmaceuticals Withdrawn No outcome recorded

Press releases naming this drug 6 releases

DateIssuerRelease
2017-08-17 Pfizer Pfizer Receives U.S. FDA Approval for BESPONSA® (inotuzumab ozogamicin) 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 5 cited values

Every value below carries the sentence it was read from. 4 sources stand behind the page.

FieldValueCited text
Known as Inotuzumab “Resistant participants will receive a second induction with inotuzumab for B-cell precursor ALL or with FLAG-Ida (fludarabine, cytarabine, idarubicin and granulocyte colony...” NCT07443592
2

NCT03628053

NCT06533748

Known as G5/44 ChEMBL registry synonym — accepted as the source's own label CHEMBL4297558
Modality Other / unclassified “CD22-directed antibody-drug conjugate” NCT03628053
Route Intravenous “2 doses of inotuzumab IV on Days 2 and 8” NCT06533748
Target CD22 CD22 binding agent” CHEMBL4297558