Eligibility |
Inclusion Criteria:
- Age more than 19 years old
- Amyloid light-chain amyloidosis patients who meet both(A and B) of the following
criteria
A. Cardiac involvement: meet one or more of the following criteria
1. Echocardiography : mean wall thickness > 12mm, and no other cardiac cause
2. Cardiac MRI : CMR was considered positive for amyloid cardiomyopathy if there were
morphologic and structural abnormalities consistent with the diagnosis (wall
thickening of the left ventricular [LV], right ventricular [RV], or interatrial septum
and biatrial enlargement) coupled with abnormal myocardial nulling and diffuse or
irregular delayed gadolinium enhancement of the LV myocardium.
3. N-terminal prohormone of brain natriuretic peptide : > 332ng/l in the absence pf renal
failure
B. Exposure history to lenalidomide: participants should have never been exposed to
lenalidomide within 5 years.
- Eastern Cooperative Oncology Group performance status = 3
- Patients must meet the following clinical laboratory criteria with 2 weeks of starting
treatment:
1. Serum creatinine = 3.0mg/dl or Creatinine Clearance = 50ml/minute
(Cockcroft-Gault)
2. Absolute neutrophil count = 1000/ul
3. Platelet = 75,000/ul
4. Hemoglobin = 8.0mg/dl
5. Bilirubin < 2 times or Alkaline phosphate < 4 times upper limit of normal
- At least 3 months of existence are expected from the time of enroll this study
- A female of childbearing potential(is defined as a sexually mature woman who: 1 has
not undergone a hysterectomy or bilateral oophorectomy or 2, has not been naturally
post-menopausal (amenorrhea following cancer therapy does not rule out childbearing
potential) must have a negative pregnancy test prior to treatment.
1. must agree to use two reliable methods of contraception simultaneously or
practice complete abstinence from any heterosexual intercourse during the
following time periods related to this study: for at least 4 weeks after study
treatment discontinuation.
2. must have two(serum and urine) negative pregnancy test during screening period
3. must have serum and urine negative pregnancy test within 10-14 days and 24hrs
before commencing lenalidomide
- Male patients who agree to practice effective barrier contraception during the entire
study treatment period and through 30 days after the last dose of study treatment
- Patients who understand and voluntarily agree to the contents of the research
statement in writing and who are willing and able to comply with the visit schedule,
treatment plan, laboratory examination and other testing procedures
Exclusion Criteria:
- Amyloid light-chain amyloidosis without cardiac involvement
- Patients who are planning to receive autologous stem cell transplantation or received
autologous stem cell transplantation, remained in hematologic complete response
- Pregnant, lactating or unwilling to use adequate contraception
- Male patients who unwilling to practice effective barrier contraception during the
entire study treatment period and through 30 days after the last dose of study
treatment
- Patients with acute infections requiring nonpermanent therapy (antibiotics,
antibacterial drugs, or antiviral drugs) within 14 days of the first administration of
the lenalidomide or with a history of systemic fungal infections and infections
without valid antimicrobial agents
- Any clinically significant history of genetic, kidney, neurological, psychiatric,
endocrine, metabolism, immunological, cardiovascular, lung, or liver diseases in the
investigator's opinion, may interfere with protocol adherence or a patient's ability
to give informed consent.
- Patients with known history of allergic and hypersensitivity for investigational
product, their analogous bodies, or the subtypes contained in the various forms of any
preparation
- Patients who were given a live vaccine within 8 weeks of the first dose of the drug
- Chemotherapy with approved or investigation anticancer therapeutics within 4 weeks
prior to starting this study
- Patients who are unable to voluntarily agree to participate in a study or who are not
willing to participate
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