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, Czech Republic
Cord blood banks must be licensed by the State Institute of Drug Control.
- What fraction of cord blood donations get accepted?
Between a half and three quarters of donations are discarded. The primary reason is that the collection volume is too small. Public banks will only save a collection that is big enough to transplant a large child or small adult.
- Are related donors better for transplants?
The overall answer is yes, but this is a complex topic.
The two important measures of patient outcome are: long-term survival, and the impact on quality of life from graft-versus-host disease (GvHD). Sibling donors tend to trigger less GvHD. Also, sibling donors are available faster than searching for an unrelated donor, and patients have better survival when they go to transplant faster after diagnosis.
The exact comparison of outcome between sibling or unrelated donor varies with the patient diagnosis. The NMDP website has a page on this, with numerous references. For many cancers the outcomes are comparable, although sibling donors have a slight edge. The largest study was by Weisdorf et al. 2002, for over 2900 patients with CML leukemia. When correcting for all other factors, the survival with sibling donor vs unrelated donor was 68% vs. 61%. Sibling donors show a significant improvement for pediatric cord blood transplants of hereditary disorders. The European Blood and Marrow Transplantation Group (EBMT) reported 3 year survival rates of 95% from a sibling donor vs. 61% from an unrelated donor.
Weisdorf, D.J. et al. Blood 2002; 99:1971-1977.
Bizzetto, R. et al. (EBMT) Haematologica 2011; 96(01):134-141
- How does the Institute of Medicine influence cord blood education?
- Congress commissioned an Institute of Medicine study on the ideal structure of a national cord blood
program. Based on the IoM report, Congress passed the Stem Cell Therapeutic and Research Act of 2005 that was signed into law 20 Dec. 2005. The key language regarding education is the requirement: Information provided to the maternal donor regard(s) all of her medically appropriate cord blood options. ie: Education of expectant parents and Informed Consent of maternal donors should cover all options, not just donation.