Pembrolizumab and Radiation Therapy in Patients With Relapsed or Refractory Multiple Myeloma



This pilot clinical trial studies the side effects of pembrolizumab and radiation therapy in treating patients with stage I-III multiple myeloma that has come back after a period of improvement or that does not respond to treatment.

Monoclonal antibodies, such as pembrolizumab, may block cancer growth in different ways by targeting certain cells. Radiation therapy uses high energy x-rays to kill cancer cells and shrink tumors. Giving pembrolizumab and radiation therapy may work better in treating patients with stage I-III multiple myeloma.

SparkCures ID 903
Trial Phase Phase 1
Enrollment 26 Patients
Trial Sponsors
  • Winship Cancer Institute of Emory University
Trial Collaborators
  • Merck Sharp & Dohme Corp.
NCT Identifier


Am I Eligible?

The following criteria is a partial list of reasons why patients may or may not be eligible to participate in this clinical trial. Further evaluation with a medical professional will be required to determine full eligibility.

The following criteria is provided for health care professionals.

Inclusion Criteria:

  • International Staging System (ISS) stage I-III multiple myeloma that has progressive, relapsed, or refractory disease
  • Able to give informed consent
  • Eastern Cooperative Oncology Group (ECOG) 0-1
  • Relapsed and/or refractory myeloma; there is no minimum or maximum number of previous therapies that a patient may have received previously before being put on the current trial
  • ≥ 1 osseous and/or extra-osseous lesion that can be radiated
  • Candidate for pembrolizumab (as determined by physician, and adequate organ function)
  • Candidate for radiotherapy (as determined by treatment physician); these patients can have symptomatic disease and/or asymptomatic disease; a minimum of one site of radiation is required to any osseous and/or any extra-osseous disease; radiation to any bony parts of the head and neck, skull, spine, ribs, and/or extremities are allowed; radiation to any bony part for documented lytic disease is allowed; radiation to any soft tissue plasmacytoma (including osseous and extra-osseous plasmacytoma) is allowed; the only exclusion criteria for radiation, is central nervous system (CNS) metastases
  • Measurable myeloma disease (urine protein > 200 mg in 24 hours [hr] urine collection, serum free light chain ratio > 100 with an abnormal k/l ratio, serum M protein > 0.5 g/dl); 12 of the 24 patients do not have to have measurable disease
  • Negative urine pregnancy test within 2 weeks for female subjects; female subjects of childbearing potential should have a negative urine or serum pregnancy within 72 hours prior to receiving the first dose of study medication; if the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required
    • Female subjects of childbearing potential should be willing to use 2 methods of birth control or be surgically sterile, or abstain from heterosexual activity for the course of the study through 120 days after the last dose of study medication; subjects of childbearing potential are those who have not been surgically sterilized or have not been free from menses for > 1 year
    • Male subjects should agree to use an adequate method of contraception starting with the first dose of study therapy through 120 days after the last dose of study therapy
    • Abstinence is acceptable, if this is the usual life style and preferred contraception for the patient

Exclusion Criteria:

  • Previous anti-programmed cell death protein 1 (PD1) or anti-PD-L1
  • Solitary plasmacytoma
  • Smoldering (asymptomatic) multiple myeloma
  • Currently participating and receiving study therapy or has participated in a study of an investigational agent and received study therapy or used an investigational device within 4 weeks of the first dose of treatment
  • Has a diagnosis of immunodeficiency
  • Known history of active TB (Bacillus tuberculosis)
  • Hypersensitivity to pembrolizumab or any of its recipients
  • Known additional malignancy that is progressing or requires active treatment (exceptions include basal cell carcinoma of the skin or squamous cell carcinoma of the skin)
  • Has active autoimmune disease that has required systemic treatment in the past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs)
  • Known history of, or any evidence of active, non-infectious pneumonitis
  • Active infection requiring systemic therapy
  • Is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 120 days after the last dose of trial treatment
  • Has a known history of human immunodeficiency virus (HIV) (HIV 1/2 antibodies)
  • Has known active hepatitis B (e.g., hepatitis B surface antigen [HBsAg] reactive) or hepatitis C (e.g., hepatitis C virus [HCV] ribonucleic acid [RNA] [qualitative] is detected)
  • Has received a live vaccine within 30 days of planned start of study therapy; NOTE: seasonal influenza vaccines for injection are generally inactivated flu vaccines and are allowed; however intranasal influenza vaccines (e.g., Flu-Mist) are live attenuated vaccines, and are not allowed
  • Patients requiring radiation for CNS diseases are excluded (CNS defined as brain soft tissue/intra parenchymal metastases within the gray and white matter of the brain and/or for cerebrospinal fluid [CSF] disseminated disease, including leptomeningeal carcinomatous disease)
  • Has a history of allogeneic stem cell transplantation

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