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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02816476
Other study ID # I15015/AMYDARA
Secondary ID
Status Completed
Phase Phase 2
First received
Last updated
Start date September 2016
Est. completion date October 2020

Study information

Verified date July 2021
Source University Hospital, Limoges
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is a Phase II, single-arm, multicentre study of Daratumumab (16mg/kg IV route) in adult patients with Light-Chain (AL) Amyloidosis who are not in VGPR or better after previous treatment. A sample size of 40 patients who meet all eligibility criteria will be enrolled to receive study treatment. Patients will receive treatment until either disease progression or toxicity has occurred with a maximum planned of six 28-day cycles. Daratumumab will be administrated every week for the first 2 cycles then. every 2 weeks from cycle 3 through cycle 6. Patients will also receive best supportive care (BSC) to mitigate Daratumumab side-effects, and to address underlying Amyloidosis, including blood product transfusions, antimicrobials, and (as appropriate) growth factors including granulocyte colony-stimulating factors for neutropenia, erythropoietin for anaemia, and/or transfusions for thrombocytopenia


Description:

Systemic AL amyloidosis is a rare disease caused by the deposition of misfolded monoclonal immunoglobulin free light chains (FLC) in various tissues and organs. It is usually associated with a clonal plasma cell dyscrasia with a low tumour burden. Treatment of AL amyloidosis relies mainly on chemotherapy aimed at suppressing the underlying plasma cell clone secreting monoclonal FLC. The organ responses and the survival are greatly influenced by the degree of hematological response evaluated by the decrease in serum FLC that has been the principal endpoint in recent trials in AL amyloidosis. The goal of treatment is to reach at least a very good partial response (VGPR) defined as a difference between the involved FLC and the normal <40 mg/l. Over the last 2 years, Daratumumab, a novel, high-affinity, therapeutic, human monoclonal antibodies (mAb) that specifically recognizes the CD38 epitope has emerged as a breakthrough targeted therapy for patients with myeloma. Taking into account that, in 90% of AL patients, the monoclonal cells producing amyloidogenic FLC are Cluster of Differentiation 38 (CD38) expressing plasma cells Daratumumab should be a promising treatment in AL amyloidosis. The study will consist of 4 steps: - A 21 day screening period This period start with screening visit which may occurs up to 21 days before the first study drug administration. After signature of the informed consent form, procedures will be performed to ensure patient meet all inclusion/exclusion criteria and document health status to receive study treatment. These assessments will include quality of life questionnaires - A treatment period Patient eligible to enter the study will receive 6 cycles of 28 days of intra venous Daratumumab. During cycles 1 and 2, Daratumumab will be administered weekly at days 1, 8, 15, and 22 then from cycles 3 to 6, Daratumumab will be administered every two weeks at days 1 and 15. Patient will have assessments at the ignition of a new cycle to document haematological and organs response and intra cycle to watch for toxicities. - An end of study visit (when PD or unacceptable adverse events occurs, or planned end of study visit). Study procedures will be performed at 28 days (± 15) after the last dose of study medication for all patients, including early termination patients. - Followup period After treatment discontinuation, followup will be made to the patient every 3 months for at least 1 year to inquire about the patient's hematological and organ status, general health, and information on any new medical events. DOSING REGIMEN Daratumumab. Six 28-day cycles, 16 mg/kg administered by IV route, During cycle 1 and 2, Daratumumab will be administered weekly at days 1, 8, 15, and 22 For cycles 3 to 6, Daratumumab will be administered every other week at days 1 and 15


Recruitment information / eligibility

Status Completed
Enrollment 40
Est. completion date October 2020
Est. primary completion date October 5, 2019
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Patients must be >18 years of age 2. Histologic diagnosis of AL amyloidosis 3. Genetic testing must be negative for transthyretin mutations 4. Eastern Cooperative Oncology Group (ECOG) performance status score of 0, 1, or 2 5. Patients should have received at least one line with an alkylating agent and/or a proteasome inhibitor and dexamethasone and not be in VGPR or CR at the time of inclusion 6. Measurable hematologic disease: 7. Symptomatic organ involvement 8. Wash-out period of at least 4 weeks from previous antitumor therapy or any investigational treatment or 5 half-lives from previous antibodies, whichever is longer, 9. Adequate bone marrow function prior to 1st drug intake 10. Adequate organ function defined as: 11. Women with childbearing potential must be practicing one of the effective methods of birth control 12. A man who has not had a vasectomy and who is sexually active with a woman of childbearing potential must agree to use a barrier method of birth control 13. Only patients who are informed of the investigational nature of this study and sign and give written informed consent Exclusion Criteria: 1. Amyloid-specific syndrome, such as carpal tunnel syndrome or skin purpura as the only evidence of disease. The finding of isolated vascular amyloid in a bone marrow biopsy specimen or in a plasmacytoma is not indicative of systemic amyloidosis 2. Isolated soft tissue involvement 3. Presence of non-AL amyloidosis 4. Bone marrow plasma cells >30% on bone marrow aspirate at screening 5. Cardiac mayo stage IIIb disease. 6. Repetitive ventricular arrhythmias on 24h Holter ECG despite anti-arrhythmic treatment, except if a pacemaker has been implanted. 7. Chronic atrial fibrillation 8. Supine systolic blood pressure <100 mmHg 9. Subject is a woman who is pregnant, or breast-feeding, or planning to become pregnant while enrolled in this study or within 3 months after the last dose of any component of the treatment regimen. Or, subject is a man who plans to father a child while enrolled in this study or within 3 months after the last dose of any component of the treatment regimen 10. Clinically overt multiple myeloma with lytic bone lesions 11. Patients with uncontrolled infection or active malignancy 12. Any uncontrolled or severe cardiovascular or pulmonary disease 13. Subjects with psychiatric illnesses or social situations that would preclude them understanding the informed consent, study compliance or the ability to tolerate study procedures and/or study therapy 14. Subjects with known chronic obstructive pulmonary disease (COPD) 15. Subject has known moderate or severe persistent asthma within the past 2 years 16. Previous anti-CD38 therapy 17. Hypersensitivity to Dexamethasone that would prohibit treatment with study therapy 18. Known positive for HIV or active hepatitis B or C 19. Refusal to consent or protected by legal regime

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Daratumumab


Locations

Country Name City State
France CHU d'Angers Angers
France CHU de Caen Caen
France CHU de Limoges Limoges
France CHU de Lyon Sud Lyon
France APHP - Necker Paris
France APHP - Saint Antoine Paris
France APHP - Saint Louis Paris
France CHU Poitiers Poitiers
France CHU de Rennes Rennes
Italy Amyloidosis Research and Treatment Center Pavia

Sponsors (1)

Lead Sponsor Collaborator
University Hospital, Limoges

Countries where clinical trial is conducted

France,  Italy, 

Outcome

Type Measure Description Time frame Safety issue
Primary Overall Response Rate Overall Response Rate (CR+VGPR) at the completion of 6 cycles of Daratumumab using the new response criteria (J Clin Oncol, 2012. 30(36): p. 4541-9. After 6 cycles treatment (6 months).
Secondary Number of participants with treatment-related adverse events as assessed by NCI-CTCAE V4.03. Every month during 1 year
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