Comparation of Chidamide Plus VRD (Bortezomib, Lenalidomide, Dexamethasone) With VRD Regimen for Primary High-Risk Multiple Myeloma Patients

Inclusion Criteria:

* 1.Diagnosed as multiple myeloma, and has one of the above:

  1. high risk karyotype, such as 17p-，t（4；14），t（14；16），t（14；20）或1q gain,1p-, double hit myeloma, triple hit myeloma, etc;
  2. RISS-3;
  3. IgD/IgE MM;
  4. with measurable extra-medullary plasmacytoma;
  5. flowcytometry showed peripheral blood plasma cell ≥0.165%；
* 2.Secretory MM should have measurable markers, including:

  1. specific M protein value (≥5g/L)；
  2. and/or involved flc ≥100mg/L；
  3. and/or measurable extramedullary foci (diameter\>1cm on CT);
* 3.Age≥18 years, male or female;
* 4.ECOG 0-2 points, with life expectance ≥3 months; GA score \<2;
* 5.ALT/AST level \<2.5 times of the maximum of normal range; total bilirubin\<1.5 times of normal maximum；
* 6.Neutrophil count≥1.5×109/L, platelet count≥50×109/L;
* 7.eGFR≥40ml/min，except in the case of myeloma-related nephropathy;
* 8.Normal left ventricular ejaculation rate, NYHA stage 1, pulmonary function GOLD stage 1;
* 9.Willing to accept the possibility of potential adverse events and efficacy observation by the investigators;
* 10.Being able to understand and signing the written consent, which should be signed prior to any procedure of the trial.

Exclusion Criteria:

* 1.With ≥2 degree of peripheral neuropath or with pain;
* 2.Having received any of the medicine of the experiment regimen within 30 days prior to enrollment, pain-relieving radiotherapy is allowed;
* 3.With severe pulmonary/cardiac disfunction (including history of QT interval elongation, ventricular tachycardia, ventricular fibrillation, myocardial infraction) or other severe organ malfunction;
* 4.Patients in pregnancy or lactation;
* 5.Allergic constitution or being allergic to any drug within the regimen of the trial;
* 6.With uncontrolled mental diseases;
* 7.With active infection;
* 8.With non-myeloma-associated acute renal dysfunction;
* 9.With active hepatitis;
* 10.HIV positive;
* 11.History of other malignant tumor within 5 years prior to enrollment; except for the case of in situ cervical cancer and non-malignant melanoma;
* 12.With other conditions that the investigators think unfit for the trial.