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Multiple Myeloma Treatment Option Overview

There are different types of treatment for patients with plasma cell neoplasms.

Different types of treatments are available for patients with plasma cell neoplasms. Some treatments are standard (the currently used treatment), and some are being tested in clinical trials. A treatment clinical trial is a research study meant to help improve current treatments or obtain information on new treatments for patients with cancer. When clinical trials show that a new treatment is better than the standard treatment, the new treatment may become the standard treatment. Patients may want to think about taking part in a clinical trial. Some clinical trials are open only to patients who have not started treatment.

The following types of treatment are used:

Chemotherapy

Chemotherapy is a cancer treatment that uses drugs to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. When chemotherapy is taken by mouth or injected into a vein or muscle, the drugs enter the bloodstream and can reach cancer cells throughout the body (systemic chemotherapy).

See Drugs Approved for Multiple Myeloma and Other Plasma Cell Neoplasms.

Other drug therapy

Corticosteroids are steroids that have antitumor effects in multiple myeloma.

Targeted therapy

Targeted therapy is a type of treatment that uses drugs or other substances to identify and attack specific cancer cells. Several types of targeted therapy may be used to treat multiple myeloma and other plasma cell neoplasms. There are different types of targeted therapy:

  • Proteasome inhibitor therapy: This treatment blocks the action of proteasomes in cancer cells. A proteasome is a protein that removes other proteins no longer needed by the cell. When the proteins are not removed from the cell, they build up and may cause the cancer cell to die. Bortezomib, carfilzomib, and ixazomib are proteasome inhibitors used in the treatment of multiple myeloma and other plasma cell neoplasms.
  • Monoclonal antibody therapy: Monoclonal antibodies are immune system proteins made in the laboratory to treat many diseases, including cancer. As a cancer treatment, these antibodies can attach to a specific target on cancer cells or other cells that may help cancer cells grow. The antibodies are able to then kill the cancer cells, block their growth, or keep them from spreading. Monoclonal antibodies are given by infusion. They may be used alone or to carry drugs, toxins, or radioactive material directly to cancer cells. Daratumumab and elotuzumab are monoclonal antibodies used in the treatment of multiple myeloma and other plasma cell neoplasms. Denosumab is a monoclonal antibody used to slow bone loss and reduce bone pain in patients with multiple myeloma.
  • BCL2 inhibitor therapy: This treatment blocks a protein called BCL2. Blocking this protein may help kill cancer cells and may make them more sensitive to anticancer drugs. Venetoclax is a BCL2 inhibitor being studied in the treatment of relapsed or refractory multiple myeloma.

See Drugs Approved for Multiple Myeloma and Other Plasma Cell Neoplasms.

High-dose chemotherapy with stem cell transplant

High doses of chemotherapy are given to kill cancer cells. Healthy cells, including blood-forming cells, are also destroyed by the cancer treatment. Stem cell transplant is a treatment to replace the blood-forming cells. Stem cells (immature blood cells) are removed from the blood or bone marrow of the patient (autologous) or a donor (allogeneic) and are frozen and stored. After the patient completes chemotherapy, the stored stem cells are thawed and given back to the patient through an infusion. These reinfused stem cells grow into (and restore) the body's blood cells.

Immunotherapy

Immunotherapy is a treatment that uses the patient's immune system to fight cancer. Substances made by the body or made in a laboratory are used to boost, direct, or restore the body's natural defenses against cancer. This cancer treatment is a type of biologic therapy.

  • Immunomodulator therapy: Thalidomide, lenalidomide, and pomalidomide are immunomodulators used to treat multiple myeloma and other plasma cell neoplasms.
  • CAR T-cell therapy: This treatment changes the patient's T cells (a type of immune system cell) so they will attack certain proteins on the surface of cancer cells. T cells are taken from the patient and special receptors are added to their surface in the laboratory. The changed cells are called chimeric antigen receptor (CAR) T cells. The CAR T cells are grown in the laboratory and given to the patient by infusion. The CAR T cells multiply in the patient's blood and attack cancer cells. CAR T-cell therapy is being studied in the treatment of multiple myeloma that has recurred (come back).

See Drugs Approved for Multiple Myeloma and Other Plasma Cell Neoplasms.

Radiation therapy

Radiation therapy is a cancer treatment that uses high-energy x-rays or other types of radiation to kill cancer cells or keep them from growing. External radiation therapy uses a machine outside the body to send radiation toward the area of the body with cancer.

Surgery

Surgery to remove the tumor may be done. After the doctor removes all the cancer that can be seen at the time of the surgery, some patients may be given radiation therapy after surgery to kill any cancer cells that are left. Treatment given after the surgery, to lower the risk that the cancer will come back, is called adjuvant therapy.

Watchful waiting

Watchful waiting is closely monitoring a patient’s condition without giving any treatment until signs or symptoms appear or change.

New types of treatment are being tested in clinical trials.

This summary section describes treatments that are being studied in clinical trials. It may not mention every new treatment being studied. Information about clinical trials is available from the NCI website.

New combinations of therapies

Clinical trials are studying different combinations of immunotherapy, chemotherapy, steroid therapy, and drugs. New treatment regimens using selinexor are also being studied.

Treatment for plasma cell neoplasms may cause side effects.

For information about side effects caused by treatment for cancer, see our Side Effects page.

Supportive care is given to lessen the problems caused by the disease or its treatment.

This therapy controls problems or side effects caused by the disease or its treatment, and improves quality of life. Supportive care is given to treat problems caused by multiple myeloma and other plasma cell neoplasms.

Supportive care may include the following:

  • Plasmapheresis: If the blood becomes thick with extra antibody proteins and interferes with circulation, plasmapheresis is done to remove extra plasma and antibody proteins from the blood. In this procedure blood is removed from the patient and sent through a machine that separates the plasma (the liquid part of the blood) from the blood cells. The patient's plasma contains the unneeded antibodies and is not returned to the patient. The normal blood cells are returned to the bloodstream along with donated plasma or a plasma replacement. Plasmapheresis does not keep new antibodies from forming.
  • Induction therapy with stem cell transplant: If amyloidosis occurs, treatment may include induction therapy followed by stem cell transplant using the patient's own stem cells.
  • Immunotherapy: Immunotherapy with thalidomide, lenalidomide, or pomalidomide is given to treat amyloidosis.
  • Targeted therapy: Targeted therapy with proteasome inhibitors is given to decrease how much immunoglobulin M is in the blood and treat amyloidosis. Targeted therapy with daratumumab is given with or without other drugs to treat amyloidosis. Targeted therapy with a monoclonal antibody is given to slow bone loss and reduce bone pain.
  • Radiation therapy: Radiation therapy is given for bone lesions of the spine.
  • Chemotherapy: Chemotherapy is given to reduce back pain from osteoporosis or compression fractures of the spine.
  • Bisphosphonate therapy: Bisphosphonate therapy is given to slow bone loss and reduce bone pain. For more information on bisphosphonates and problems related to their use, see Oral Complications of Chemotherapy and Head/Neck Radiation.

Patients may want to think about taking part in a clinical trial.

For some patients, taking part in a clinical trial may be the best treatment choice. Clinical trials are part of the cancer research process. Clinical trials are done to find out if new cancer treatments are safe and effective or better than the standard treatment.

Many of today's standard treatments for cancer are based on earlier clinical trials. Patients who take part in a clinical trial may receive the standard treatment or be among the first to receive a new treatment.

Patients who take part in clinical trials also help improve the way cancer will be treated in the future. Even when clinical trials do not lead to effective new treatments, they often answer important questions and help move research forward.

Patients can enter clinical trials before, during, or after starting their cancer treatment.

Some clinical trials only include patients who have not yet received treatment. Other trials test treatments for patients whose cancer has not gotten better. There are also clinical trials that test new ways to stop cancer from recurring (coming back) or reduce the side effects of cancer treatment.

Clinical trials are taking place in many parts of the country. Information about clinical trials supported by NCI can be found on NCI’s clinical trials search webpage. Clinical trials supported by other organizations can be found on the ClinicalTrials.gov website.

Follow-up tests may be needed.

Some of the tests that were done to diagnose the cancer or to find out the stage of the cancer may be repeated. Some tests will be repeated in order to see how well the treatment is working. Decisions about whether to continue, change, or stop treatment may be based on the results of these tests.

Some of the tests will continue to be done from time to time after treatment has ended. The results of these tests can show if your condition has changed or if the cancer has recurred (come back). These tests are sometimes called follow-up tests or check-ups.

This information is not intended to replace the advice of a doctor. Navigating Care disclaims any liability for the decisions you make based on this information. This information was sourced and adapted from Adapted from the National Cancer Institute's Physician Data Query (PDQ®) Cancer Information Summaries on www.cancer.gov.

See Expert Resources

The Navigating Care Library includes articles about cancer, chemotherapy regimens and drugs from the the National Cancer Institute and other experts.