About this trial
Achievement of complete hematologic response (CHR) is vital for systemic AL amyloidosis. Currently, the CHR rate of daratumumab, bortezomib, and dexamethasone (DBD) is close to 60%. Considering that Bcl-2 inhibitor is effective for AL amyloidosis with t(11; 14) and the median hematologic onset time of DBD is 7 days. We design a a prospective study on AL amyloidosis with t(11; 14). All patients receive DBD at the beginning. Patient will receive DBD for at least 6 cycles if achieve rapid hematologic response at day 7, while other patients will receive daratumumab, venetoclax and dexamethasone.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Diagnosis of systemic AL amyloidosis;
Daratumumab, bortezomib, dexamethasone used in 1st line treatment;
Life expectancy greater than 12 weeks;
HGB ≥70g/L;
Disqualifiers
Fulfill with the criteria of active multiple myeloma or active lymphoplasmacytic lymphoma.
Presence of other tumors which is/are in advanced malignant stage and has/have systemic metastasis;
Severe or persistent infection that cannot be effectively controlled;
Presence of severe autoimmune diseases or immunodeficiency disease;
Trial design
Single group
Treatments tested in this trial
Daratumumab
DrugDaratumumab 16 mg/kg was administered intravenously weekly in cycles one and two, every two weeks for cycles three to six, for at least 6 cycles. Daratumumab and hyaluronidase-fihj 1800mg is allowed according to the patients' choice.
Bortezomib
DrugAll patients received 1.0-1.3 mg/m2 subcutaneous bortezomib once weekly of 28 days each for at 6 cycles.
Dexamethasone
DrugAll patients received 20-40 mg oral or intravenous dexamethasone
Venetoclax
DrugAll patients received venetoclax 400mg daily.
Treatment groups
Trial outcomes
Primary outcomes
Overall CHR rate at 6 months
Overall complete hematologic response rate at 6 months
Secondary outcomes
Cardiac response at 6 months
Cardiac response at 6 months
Renal response at 6 months
Renal response at 6 months
Hepatic response at 6 months
Hepatic response at 6 months
Estimated 2-year PFS
Estimated 2-year progression free survival
Sponsors and contacts
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Jin Lu, MD
Lead sponsor
Peking University People's Hospital
Sponsor institution