Surovatamig as Consolidation Therapy in Participants With Chronic Lymphocytic Leukaemia or Small Lymphocytic Lymphoma With Unmutated Immunoglobulin Heavy Chain Variable (IGHV)

Recruiting now · Phase 3

Conditions studied: Chronic Lymphocytic Leukaemia or Small Lymphocytic Lymphoma With Unmutated IGHV

In brief

The purpose of this study is to evaluate the therapeutic benefit and safety of subcutaneous (SC) Surovatamig monotherapy as consolidation therapy in patients with Chronic Lymphocytic Leukaemia (CLL)/ Small Lymphocytic Lymphoma (SLL) with unmutated IGHV (uIGHV).

Key facts

Study ID: NCT07509151
Run by: AstraZeneca
People needed: 420
Starts: 2026-05-05
Expected to finish: 2032-04-05
Last updated by the study team: 2026-08-10

Who can join

Age: 18 and older, up to 18. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

Documented diagnosis of CLL/SLL with genomic features defined by unmutated IGHV.
Treatment received and response at the end of 1L (first-line) finite therapy.
Participants with SLL (except those in CR in Phase III part) must have measurable disease (nodal or extranodal) with at least one measurable target lesion.
ECOG performance status of 0 to 2.
Adequate haematologic, liver, renal and cardiac function.
Female participants: must be either women not of childbearing potential or must use a highly effective form of contraception.
Male participants who intend to be sexually active with females of childbearing potential must agree to use barrier contraception (eg, condoms).

You may not qualify if…

Suspected or confirmed transformation of CLL/SLL to a more aggressive form of lymphoma (ie, Richter's transformation, prolymphocytic leukaemia, or DLBCL).
Evidence of active or history of Central Nervous System (CNS) involvement by CLL/SLL.
History of or ongoing confirmed progressive multifocal leukoencephalopathy.
Participants who have any concurrent or history of malignancy.
Participants with:
Active or uncontrolled infection (including Epstein-Barr virus-EBV) requiring systemic therapy.
Participants with known history of Heamophagocytic lymphohistiocytosis (HLH).
Human Immunodeficiency Virus (HIV) infection, or participants with chronic or active infection with Hepatitis B Virus (HBV) or Hepatitis C Virus (HCV).
Major cardiac abnormalities.
Prior CLL/SLL-specific therapies.
Requires chronic immunosuppressive therapy for active autoimmune/inflammatory condition or prior allogeneic stem cell or solid organ transplant.
Major surgical procedure.
Known hypersensitivity to surovatamig or any of the excipients of the product.

Where it is running

Research Site — Toronto, Ontario, Canada (enrolling)
Research Site — Istanbul, Turkey (Türkiye) (enrolling)
Research Site — Istanbul, Turkey (Türkiye) (enrolling)
Research Site — Kocaeli, Turkey (Türkiye) (enrolling)
Research Site — Mezitli, Turkey (Türkiye) (enrolling)
Research Site — Edinburgh, United Kingdom (enrolling)
Research Site — Heidelberg, Australia (enrolling)
Research Site — Nedlands, Australia (enrolling)
Research Site — London, United Kingdom (enrolling)
Research Site — London, United Kingdom (enrolling)
Research Site — Manchester, United Kingdom (enrolling)
Research Site — Nottingham, United Kingdom (enrolling)
Research Site — Oxford, United Kingdom (enrolling)
Research Site — Calgary, Alberta, Canada (enrolling)
Research Site — Adapazarı, Turkey (Türkiye) (enrolling)
Research Site — Antalya, Turkey (Türkiye) (enrolling)
Research Site — Sutton, United Kingdom
Research Site — Fitzroy, Australia
Research Site — Perth, Australia
Research Site — Rockingham, Australia
Research Site — Vancouver, British Columbia, Canada
Research Site — Halifax, Nova Scotia, Canada
Research Site — Hamilton, Ontario, Canada
Research Site — Montreal, Quebec, Canada
Research Site — Montreal, Quebec, Canada

Full record on ClinicalTrials.gov

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