Recipient Inclusion Criteria

1. Participants with end-stage renal failure due to or in association with greater than
or equal to stage II multiple myeloma

2. Males or females 18 - 65 years of age.

3. Participants must have an HLA-matched or one of six HLA A, B, or DR
antigen-mismatched related donor, with high resolution molecular DR allele
determination.

4. Men and women of reproductive potential must agree to use a reliable method of birth
control during the treatment, and women should do so for a period of 2 years
following the transplant.

5. Participants should be on dialysis or have a CrCl <20 ml/min.

6. Participants must receive medical clearance by a cardiologist prior to conditioning
for transplant.

7. Life expectancy greater than or equal to 6 months.

8. Recipient ability to understand and provide informed consent.

Recipient Exclusion Criteria:

1. Evidence of active infection as defined by: a) clinical syndrome consistent with
viral or bacterial infection (e.g., influenza, URI, UTI) or b) fever with a clinical
site of infection identified, or c) microbiologically documented infection,
including, but not limited to, bacteremia or septicemia.

2. Participation in other investigational drug use at the time of enrollment.

3. Contraindication to therapy with any one of the proposed agents (e.g., history of
allergy to horse serum in ATG).

4. Serologic positivity to HIV, HCV, or HbsAg positivity.

5. Women of childbearing age in whom adequate contraception cannot be maintained.

6. Malignancy within the past two years other than multiple myeloma, excluding basal
cell carcinoma of the skin and carcinoma in situ of the cervix.

7. AST/ALT > 3 x normal or bilirubin > 1.5 x normal (unless due to Gilbert's syndrome).

8. Pregnancy or uncontrolled serious medical illness not related to underlying myeloma.

9. Cardiac ejection fraction < 40% by echocardiogram; individual assessment if ejection
fraction between 40% and 50%.

10. FEV1 < 50% predicted or corrected DLCO < 50% predicted.

11. ABO blood group incompatibility in the host-vs-graft direction.

Donor

Inclusion Criteria:

1. HLA-matched or one of six HLA A, B, or DR antigen-mismatched related male or female
donor 18-65 years of age.

2. ECOG performance status 0 or 1.

3. Excellent health per conventional pre-donor history (medical and psychosocial
evaluation).

4. Acceptable laboratory parameters (hematology in normal or near-normal range; liver
function < 2 times the upper limit of normal and normal creatinine).

5. Compatible ABO blood group.

6. Negative donor lymphocyte crossmatch.

7. No positive testing for viral infection (HbsAg, HIV, HCV, HTLV-1).

8. Cardiac/Pulmonary evaluation within normal limits (CXR, EKG).

9. Donor ability to understand and provide informed consent.