A Study to Assess Change in Disease Activity and Adverse Events (AE)s in Adult Participants With Immunoglobulin Light Chain (AL) Amyloidosis Receiving ABBV-383 as an Intravenous (IV) Infusion

Overview

About this study

The purpose of this study is to evaluate safety and efficacy of ABBV-383 monotherapy in subjects with AL amyloidosis

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

- Diagnosis of primary systemic immunoglobulin light chain (AL) amyloidosis.

- Eastern Cooperative Oncology Group (ECOG) performance status of <= 2.

- Have at least 1 organ historically impacted by AL amyloidosis.

- Considered AL amyloidosis risk stage 1, 2, or 3a and have measurable disease of AL
amyloidosis as defined by difference between involved and uninvolved free light chains
(dFLC) >= 50 mg/L.

- Has previously been exposed to a proteasome inhibitor (PI) and an anti-CD38 monoclonal
antibody.

Exclusion Criteria:

- Known history of clinically significant (per investigator's judgment) drug or alcohol
abuse within the last 6 months.

- Known allergic reaction, significant sensitivity, or intolerance to constituents of
the study drugs (and excipients) and/or other products in the same class.

- Participant has the following conditions:

- Other non-AL amyloid disease;

- Previous or current diagnosis of symptomatic multiple myeloma (MM), including the
presence of lytic bone disease, plasmacytomas, >= 60% plasma cells in the bone
marrow, or hypercalcemia (defined as corrected calcium > 11 mg/dL);

- Active plasma cell leukemia (i.e., either 20% of peripheral white blood cells or
> 2.0 × 109/L circulating plasma cells by standard differential);

- Waldenström's macroglobulinemia;

- Acute diffuse infiltrative pneumopathy;

- Major surgery within 28 days prior first dose or planned during study
participation;

- History of organ transplant requiring continued use of immunosuppressants;

- Acute infections within 14 days prior first dose requiring parenteral therapy
(antibiotic, antifungal, or antiviral);

- Participant has received an autologous stem cell transplant (SCT) within 12 weeks
or an allogeneic SCT within 1 year of the first dose of study drug treatment.

Note: Other protocol defined Inclusion/Exclusion criteria may apply.

Eligibility last updated 12/7/23. Questions regarding updates should be directed to the study team contact.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Angela Dispenzieri, M.D.

Contact us for the latest status

Contact information:

Cancer Center Clinical Trials Referral Office

(855) 776-0015

More information

Publications

Publications are currently not available
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CLS-20574185

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