Reference Detail

Ref Type

Journal Article

PMID

(32213342)

Authors

Mateos MV, Nahi H, Legiec W, Grosicki S, Vorobyev V, Spicka I, Hungria V, Korenkova S, Bahlis N, Flogegard M, Bladé J, Moreau P, Kaiser M, Iida S, Laubach J, Magen H, Cavo M, Hulin C, White D, De Stefano V, Clemens PL, Masterson T, Lantz K, O'Rourke L, Heuck C, Qin X, Parasrampuria DA, Yuan Z, Xu S, Qi M, Usmani SZ

Title

Subcutaneous versus intravenous daratumumab in patients with relapsed or refractory multiple myeloma (COLUMBA): a multicentre, open-label, non-inferiority, randomised, phase 3 trial.

Journal	Vol	Issue	Date	Pages	Journal Short Title
The Lancet. Haematology			2020 Mar 23	e370-e380	Lancet Haematol

URL

Abstract Text

Intravenous daratumumab for treatment of patients with multiple myeloma involves a lengthy infusion that affects quality of life, and infusion-related reactions are common. Subcutaneous daratumumab is thought to be easier to administer and to cause fewer administration-related reactions. In this study (COLUMBA), we tested the non-inferiority of subcutaneous daratumumab to intravenous daratumumab.In this ongoing, multicentre (147 sites in 18 countries), open-label, non-inferiority, randomised, phase 3 trial, we recruited adult patients (age ≥18 years) if they had confirmed relapsed or refractory multiple myeloma according to International Myeloma Working Group criteria; received at least three previous lines of therapy, including a proteasome inhibitor and immunomodulatory drug, or were double refractory to both a proteasome inhibitor and immunomodulatory drug; and had an Eastern Cooperative Oncology Group performance status score of 2 or lower. Patients were randomly assigned (1:1) by a computer-generated randomisation schedule and balanced using randomly permuted blocks to receive daratumumab subcutaneously (subcutaneous group) or intravenously (intravenous group). Randomisation was stratified on the basis of baseline bodyweight (≤65 kg, 66-85 kg, >85 kg), previous therapy lines (≤four vs >four), and myeloma type (IgG vs non-IgG). Patients received 1800 mg of subcutaneous daratumumab co-formulated with 2000 U/mL recombinant human hyaluronidase PH20 or 16 mg/kg of intravenous daratumumab once weekly (cycles 1-2), every 2 weeks (cycles 3-6), and every 4 weeks thereafter (28-day cycles) until progressive disease or toxicity. The co-primary endpoints were overall response and maximum trough concentration (Ctrough; cycle 3, day 1 pre-dose). The non-inferiority margin for overall response was defined using a 60% retention of the lower bound (20·8%) of the 95% CI of the SIRIUS trial. Efficacy analyses were done by intention-to-treat population. The pharmacokinetic-evaluable population included all patients who received all eight weekly daratumumab doses in cycles 1 and 2 and provided a pre-dose pharmacokinetics blood sample on day 1 of cycle 3. The safety population included all patients who received at least one daratumumab dose. This trial is registered with ClinicalTrials.gov, NCT03277105.Between Oct 31, 2017, and Dec 27, 2018, 655 patients were screened, of whom 522 were recruited and randomly assigned (subcutaneous group n=263; intravenous group n=259). Three patients in the subcutaneous group and one in the intravenous group did not receive treatment and were not evaluable for safety. At a median follow-up of 7·5 months (IQR 6·5-9·3), overall response and Ctrough met the predefined non-inferiority criteria. An overall response was seen in 108 (41%) of 263 patients in the subcutaneous group and 96 (37%) of 259 in the intravenous group (relative risk 1·11, 95% CI 0·89-1·37). The geometric means ratio for Ctrough was 107·93% (90% CI 95·74-121·67), and the maximum Ctrough was 593 μg/mL (SD 306) in the subcutaneous group and 522 μg/mL (226) in the intravenous group. The most common grade 3 and 4 adverse events were anaemia (34 [13%] of 260 patients evaluable for safety in the subcutaneous group and 36 [14%] of 258 patients in the intravenous group), neutropenia (34 [13%] and 20 [8%]), and thrombocytopenia (36 [14%] and 35 [14%]). Pneumonia was the only serious adverse event in more than 2% of patients (seven [3%] in the subcutaneous group and 11 [4%] in the intravenous group). There was one death resulting from a treatment-related adverse event in the subcutaneous daratumumab group (febrile neutropenia) and four in the intravenous group (sepsis [n=2], hepatitis B reactivation [n=1], and Pneumocystis jirovecii pneumonia [n=1]).Subcutaneous daratumumab was non-inferior to intravenous daratumumab in terms of efficacy and pharmacokinetics and had an improved safety profile in patients with relapsed or refractory multiple myeloma. These data could contribute to the approval of the subcutaneous daratumumab formulation by regulatory bodies.Janssen Research & Development.

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Molecular Profile	Treatment Approach

Gene Name	Source	Synonyms	Protein Domains	Gene Description	Gene Role

Therapy Name	Drugs	Efficacy Evidence	Clinical Trials
Daratumumab and hyaluronidase-fihj	Daratumumab and hyaluronidase-fihj	0	4

Drug Name	Trade Name	Synonyms	Drug Classes	Drug Description
Daratumumab and hyaluronidase-fihj	Darzalex Faspro	Daratumumab/rHuPH20\|HuMax-CD38-rHuPH20\|darzalex/rHuPH20	CD38 Antibody 20	Darzalex Faspro (Daratumumab and hyaluronidase-fihj) is a combination of the anti-CD38 antibody Daratumumab with hyaluronidase, which may be administered subcutaneously (PMID: 32213342). Darzalex Faspro (Daratumumab and hyaluronidase-fihj) is FDA approved as a monotherapy or in combination with lenalidomide and dexamethasone, or with pomalidomide and dexamethasone, or with bortezomib and dexamethasone, or with bortezomib, melphalan, and prednisone, or with Kyprolis (carfilzomib) and dexamethasone for patients with multiple myeloma, and in combination with bortezomib, cyclophosphamide and dexamethasone in patients with newly diagnosed light chain amyloidosis (FDA.gov).

Gene	Variant	Impact	Protein Effect	Variant Description	Associated with drug Resistance

Molecular Profile	Indication/Tumor Type	Response Type	Therapy Name	Approval Status	Evidence Type	Efficacy Evidence	References