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MC1082: A Phase I/II Trial of Pomalidomide (CC-4047), Bortezomib, and Dexamethasone in Patients With Relapsed or Refractory Multiple Myeloma

Phase 1/Phase 2
18 Years
Open (Enrolling)
Refractory Multiple Myeloma

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Trial Information

MC1082: A Phase I/II Trial of Pomalidomide (CC-4047), Bortezomib, and Dexamethasone in Patients With Relapsed or Refractory Multiple Myeloma


I. Determine the maximum tolerated dose (MTD) of bortezomib in combination with pomalidomide
and dexamethasone.

II. To evaluate the hematologic response rate (PR, VGPR, or CR) of pomalidomide, bortezomib
and dexamethasone in patients with relapsed or refractory myeloma.


I. Time to progression.

II. To assess the toxicity of pomalidomide, bortezomib and dexamethasone in this patient

OUTLINE : This is a phase I, dose-escalation study of bortezomib followed by a phase II
study. Patients receive oral pomalidomide on days 1-21; bortezomib IV on days 1, 8,15, 22;
and oral dexamethasone on days 1, 8, 15, 22 . Treatment repeats every 28 days for 8
courses. Patients then receive maintenance therapy comprising oral pomalidomide on days
1-21. Courses repeat every 28 days in the absence of disease progression or unacceptable
toxicity. After completion of study treatment, patients are followed up every 6 months.

Inclusion Criteria:

- Serum Creatinine =< 3 mg/dL

- Absolute neutrophil count >= 1000/uL

- Platelet count >= 75,000/uL

- Measurable disease of multiple myeloma as defined by at least ONE of the following:

- serum monoclonal protein >= 1.0 g/dL

- > 200 mg of monoclonal protein in the urine on 24 hour electrophoresis

- serum immunoglobulin free light chain >= 10 mg/dL AND abnormal serum
immunoglobulin kappa to lambda free light chain ratio

- monoclonal bone marrow plasmacytosis >= 30% (evaluable disease)

- measurable plasmacytoma that has not been radiated

- ECOG Performance status (PS) 0, 1, or 2

- Previously treated relapsed or refractory multiple myeloma

- Patients must have received at least one prior therapy but no more than 4 therapies.

- one or more of the prior regimens must have included lenalidomide and it has
been determined the patient is refractory, resistant, or relapsed this therapy

- prior bortezomib not required but if prior exposure, patients should not be
refractory (Refractory means progression on therapy or within 60 days from the
last dose of bortezomib.)

- Provide informed written consent

- Females of childbearing potential (FCBP) must have a negative serum or urine
pregnancy test with a sensitivity of at least 50 mIU/mL within 10 - 14 days prior to
and again within 24 hours of starting pomalidomide and must either commit to
continued abstinence from heterosexual intercourse or begin TWO acceptable methods of
birth control, one highly effective method and one additional effective method AT THE
SAME TIME, at least 28 days before she starts taking pomalidomide; FCBP must also
agree to ongoing pregnancy testing

- Men must agree to use a latex condom during sexual contact with a FCBP even if they
have had a vasectomy

- All patients must be counseled at a minimum of every 28 days about pregnancy
precautions and risks of fetal exposure

- Willing and able to take aspirin or alternate prophylactic anticoagulation

- All previous cancer therapy, including chemotherapy, high dose corticosteroids,
immune modulatory drugs or proteosome inhibitors must have been discontinued >= 2
weeks prior to study registration

- Any prior treatment with investigational agents must be discontinued >= 28 days prior
to study registration

- Willing to abstain from donating blood during study participation and for 28 days
after discontinuation of study drug

- Men must agree to abstain from donating semen or sperm during study participation and
for 28 days after discontinuation of study drug

- Willingness to return to enrolling institution for follow-up

Exclusion Criteria:

- Concomitant high dose corticosteroids (concurrent use of corticosteroids); EXCEPTION:
Patients may be on chronic steroids (maximum dose 20 mg/day prednisone equivalent) if
they are being given for disorders other than myeloma, i.e., adrenal insufficiency,
rheumatoid arthritis, etc

- Another malignancy undergoing active treatment with the exception of non melanoma
skin cancer or in situ cervical or breast cancer

- Pregnant women or women of reproductive ability who are unwilling to use effective

- Nursing women

- Men who are unwilling to use a condom (even if they have undergone a prior vasectomy)
while having intercourse with any woman, while taking the drug and for 4 weeks after
stopping treatment

- Other co-morbidity which would interfere with patient's ability to participate in
trial, e.g. uncontrolled infection, uncompensated heart or lung disease

- Other concurrent chemotherapy, radiotherapy, or any ancillary therapy considered
investigational: NOTE: Bisphosphonates are considered to be supportive care rather
than therapy, and are thus allowed while on protocol treatment

- Active DVT or PE that has not been therapeutically anticoagulated

- Known positive for HIV or active hepatitis infection

- Any condition, including the presence of laboratory abnormalities, which places the
subject at unacceptable risk if he/she were to participate in the study or confounds
the ability to interpret data from the study

- Known hypersensitivity to thalidomide or lenalidomide including development of
erythema nodosum if characterized by a desquamating rash

- > grade 2 peripheral neuropathy

- Any prior use of pomalidomide

Type of Study:


Study Design:

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Outcome Measure:

Maximum tolerated dose (MTD) of bortezomib in combination with pomalidomide and dexamethasone out to 2.5 years.

Outcome Time Frame:

2.5 years

Safety Issue:


Principal Investigator

Martha Lacy, M.D.

Investigator Role:

Study Chair

Investigator Affiliation:

Mayo Clinic


United States: Federal Government

Study ID:




Start Date:

September 2011

Completion Date:

Related Keywords:

  • Refractory Multiple Myeloma
  • Multiple Myeloma
  • Neoplasms, Plasma Cell



Mayo Clinic Rochester, Minnesota  55905
Mayo Clinic in Arizona Scottsdale, Arizona  85259-5404
Mayo Clinic in Florida Jacksonville, Florida  32224