| Secondary outcome 1: | Donor endpoints:
Incidence and severity of adverse events. Number of days with restriction of regular activities.
Total CD34+ and CD3+ yield.
Extended immunophenotyping of cellular content of peripheral blood stem cell product percentage + absolute CD3/4, CD3/8, CD4/25, CD13/33, CD16/56, CD5/19, DC subsets + CD11b/Gr-1 dim. |
| Secondary outcome 2: | Recipient endpoints:
Engraftment: Time to ANC >500/l (first of 3 consecutive days).
Time to platelet independence (first of 5 days unsupported > 20x109/l).
Chimerism studies:Day +28, Day +100 and +6 months
Treatment Response: Disease free survival and overall survival.
Chronic GVHD: Incidence of limited and extensive chronic GVHD.
Organ involvement by chronic GVHD. Duration of treatment for chronic GVHD.
Immune reconstitution: Peripheral blood analysis pre-conditioning and Day +16, and months +1, +2, +3, +6, +12, +18,+24:T cell subsets (including T helper and cytotoxic subsets plus assessment of relative proportions of naiive and memory cells), B cells and NK cells. 3 colour FACS stains for CD3/4/8, CD5/19, CD16/56, CD4/25, CD3/45RA/45RO.
Serum immunoglobulin levels monitored 3 monthly from Day 100 onward. |