Trial on the Effect of Isatuximab to Lenalidomide/Bortezomib/Dexamethasone (RVd) Induction and Lenalidomide Maintenance in Patients With Newly Diagnosed Myeloma (GMMG HD7)

U

University of Heidelberg Medical Center

Status and phase

Active, not recruiting
Phase 3

Conditions

Multiple Myeloma

Treatments

Drug: Isatuximab
Drug: Bortezomib
Drug: Dexamethasone
Drug: Lenalidomide

Study type

Interventional

Funder types

Other

Identifiers

NCT03617731
GMMG HD7

Details and patient eligibility

About

Trial in patients with newly diagnosed myeloma to evaluate the effect of isatuximab in induction therapy with lenalidomide/bortezomib/dexamethasone (RVd) and in lenalidomide maintenance treatment

Full description

Prospective, multicentre, randomised, parallel group, open, phase III clinical trial, for patients with confirmed diagnosis of untreated multiple myeloma requiring systemic therapy. Investigational Medicinal Products: Isatuximab, Lenalidomide Randomization: Patients are randomized in one of 2 study arms (IA or IB) before induction therapy. Patients randomized in arm IA will receive 3 cycles RVd (Bortezomib (Velcade®), Lenalidomide (Revlimid®, each cycle is 42 days), Dexamethasone). Patients in arm IB will additionally receive the monoclonal antibody Isatuximab in the 3 cycles RVd. After induction therapy patients undergo intensifying therapy according to GMMG standard (usually mobilization therapy followed by stem cell collection and autologous stem cell transplantation). Randomization: Before maintenance treatment patients are randomized in one of 2 study arms (IIA and IIB): Patients in arm IIA receive Lenalidomide maintenance therapy for three years, patients in arm IIB receive additional Isatuximab. There are two primary objectives: to compare the induction regimen (IA vs IB) regarding minimal residual disease (MRD) negativity after induction (assessed by flow cytometry; sensitivity at least 1e-5) to compare the maintenance strategies (arms IIA vs IIB) regarding progression-free survival (PFS), defined as time from 2nd randomization (prior to maintenance therapy) to progression or death from any cause whichever occurs first. The duration of the trial for each patients is expected to be 45-48 months (induction and intensification treatment: 6-9 months, 3 months rest between intensification and start of maintenance phase 36 months).

Enrollment

662 patients

Sex

All

Ages

18 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria:

  1. Confirmed diagnosis of untreated multiple myeloma requiring systemic therapy (diagnostic criteria (IMWG updated criteria (2014)1) see appendix IA. For some patients systemic therapy may be required though these diagnostic criteria are not fulfilled. In this case the GMMG study office has to be consulted prior to inclusion.)

  2. Patient is eligible for high dose therapy and autologous stem cell transplantation.

  3. Measurable disease, defined as any quantifiable monoclonal protein value, defined by at least one of the following three measurements:2

    • Serum M-protein ≥ 10g/l (for IgA ≥ 5g/l)
    • Urine light-chain (M-protein) of ≥ 200 mg/24 hours
    • Serum FLC assay: involved FLC level ≥ 10 mg/dl provided sFLC ratio is abnormal
  4. Age 18 - 70 years inclusive

  5. WHO performance status 0-2

  6. Negative pregnancy test at inclusion (females of childbearing potential)

  7. All patients must agree on the requirements regarding the lenalidomide pregnancy prevention plan described in section 6. For all men and females of childbearing potential: patients must be willing and capable to use adequate contraception during the complete therapy.

  8. All patients must

    • agree to abstain from donating blood while taking lenalidomide and for 28 days following discontinuation of lenalidomide therapy
    • agree not to share study drug lenalidomide with another person and to return all unused study drug to the investigator or pharmacist
  9. Ability of patient to understand character and individual consequences of the clinical trial

  10. Provide written informed consent (must be available before enrolment in the trial)

Exclusion Criteria

  1. Patient has known hypersensitivity (or contraindication) to dexamethasone, sucrose histidine (as base and hydrochloride salt), boron, mannitol, and polysorbate 80 or any of the components of study therapy that are not amenable to premedication with steroids or H2 blockers that would prohibit further treatment with these agents.
  2. Systemic AL amyloidosis (except for AL amyloidosis of the skin or the bone marrow)
  3. Plasma cell leukemia
  4. Previous chemotherapy or radiotherapy during the past 5 years except local radiotherapy in case of local myeloma progression. (Note: patients may have received a cumulative dose of up to 160 mg of dexamethasone or equivalent as emergency therapy.) Previous therapy due to smouldering myeloma may be acceptable. In this case the GMMG study office has to be consulted prior to inclusion
  5. Severe cardiac dysfunction (NYHA classification III-IV), ejection fraction < 40%
  6. Significant hepatic dysfunction (ASAT and/or ALAT ≥ 3 times normal level and/or serum bilirubin ≥ 1.5 times normal level if not due to hereditary abnormalities as Gilbert's disease), unless related to myeloma.
  7. Patients with active or history of hepatitis B or C
  8. HIV positivity
  9. Patients with active, uncontrolled infections
  10. Patients with severe renal insufficiency (Creatinine Clearance < 30ml/min)
  11. Patients with peripheral neuropathy or neuropathic pain, CTC grade 2 or higher (as defined by the NCI Common Terminology Criteria for Adverse Events (NCI CTCAE) Version 5.0)
  12. Patients with a history of active malignancy during the past 5 years with the exception of following malignancies after curative therapy: basal cell carcinoma of the skin, squamous cell skin carcinoma, stage 0 cervical carcinoma or any in situ malignancy
  13. Patients with acute diffuse infiltrative pulmonary and/or pericardial disease
  14. Autoimmune hemolytic anemia with positive Coombs test or immune thrombocytopenia
  15. Platelet count < 75 x 109/l
  16. Haemoglobin < 8.0 g/dl, unless related to myeloma
  17. Absolute neutrophil count (ANC) < 1.0 x 109/l (the use of colony stimulating factors within 14 days before the test is not allowed)
  18. Corrected serum calcium > 14 mg/dl (> 3.5 mmol/l)
  19. Unable or unwilling to undergo thromboprophylaxis
  20. Pregnancy and lactation
  21. Participation in other clinical trials. This does not include long-term follow-up periods without active drug treatment of previous studies during the last 6 months.
  22. Prisoners or subjects who are legally institutionalized, or those unwilling or unable to comply with scheduled visits, drug administration plan, laboratory tests, other study procedures, and study restrictions.

No patients will be allowed to enrol in this trial more than once.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

662 participants in 4 patient groups

IA
Active Comparator group
Description:
Patients in arm IA are treated with 3 cycles RVd (lenalidomide 25 mg/d p.o. d1 - 14 and d22 - 35; bortezomib 1.3 mg/m2 s.c. d1, 4, 8, 11, 22, 25, 29, 32; dexamethasone p.o. 20 mg/d d1-2, 4-5, 8-9, 11-12, 15, 22-23, 25-26, 29-30, 32-33).Treatment repeats every 42 days (d43 = cycle 2 d1). Standard intensification: For all patients, stem cells are mobilized by GMMG Standard protocols (CAD: cyclophosphamide, doxorubicin, dexamethasone) and G-CSF. At least 7.5x106 CD34+ cells/kg body weight are harvested. High dose treatment (melphalan 200mg/m², HDT) followed by autologous stem cell transplantation (ASCT) is started 4 - 6 weeks after CAD. For patients not in CR after HDT1, a second HDT is performed within 3 months.
Treatment:
Drug: Lenalidomide
Drug: Dexamethasone
Drug: Bortezomib
IB
Experimental group
Description:
Patients in arm IB are treated with 3 cycles RVd + Isatuximab (lenalidomide 25 mg/d p.o. d1 - 14 and d22 - 35; bortezomib 1.3 mg/m2 s.c. d1, 4, 8, 11, 22, 25, 29, 32;dexamethasone p.o. 20 mg/d d1-2, 4-5, 8-9, 11-12, 15, 22-23, 25-26, 29-30, 32-33).Isatuximab (10 mg/kg i.v. C1: d 1, 8, 15, 22, 29; C2-3: d 1, 15, 29).Treatment repeats every 42 days (d43 = cycle 2 d1). Standard intensification: For all patients, stem cells are mobilized by GMMG Standard protocols (CAD: cyclophosphamide, doxorubicin, dexamethasone) and G-CSF. At least 7.5x106 CD34+ cells/kg body weight are harvested. High dose treatment (melphalan 200mg/m², HDT) followed by autologous stem cell transplantation (ASCT) is started 4 - 6 weeks after CAD. For patients not in CR after HDT1, a second HDT is performed within 3 months.
Treatment:
Drug: Lenalidomide
Drug: Dexamethasone
Drug: Isatuximab
Drug: Bortezomib
IIA
Active Comparator group
Description:
maintenance treatment with Lenalidomide 10mg/d (increased to 15mg/d after 3 months) repeated every 28d. Maintenance treatment is planned for up to 36 months or until progression if progression occurs first.
Treatment:
Drug: Lenalidomide
IIB
Experimental group
Description:
maintenance treatment with Lenalidomide 10mg/d (increased to 15mg/d after 3 months) + Isatuximab (10 mg/kg; C1: d1, 8, 15, 22; C2-C3: d1 + 15; C4-39:d1, repeated every 28d). Within the trial, maintenance treatment is planned for up to 36 months or until progression if progression occurs first.
Treatment:
Drug: Lenalidomide
Drug: Isatuximab

Trial contacts and locations

73

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Data sourced from clinicaltrials.gov

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