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Short-term and long-term toxicity of alkylating-agent-based conditioning regimens in hematopoietic stem cell transplantation / 中国组织工程研究
Article in Chinese | WPRIM | ID: wpr-407965
Responsible library: WPRO
ABSTRACT

BACKGROUND:

The principal deterrent to the success for hematopoietic stem cell transplantation (HSCT) is the complications after transplantation. The complications are associates with the conditioning regimens in the early stage. The highly-effective preparative regimens of proper dose and low-toxicity are the key to the successful HSCT.

OBJECTIVE:

To evaluate the curative effects and regimen related toxicity (RRT) of high-dose alkylating-agent-based chemotherapy as conditioning regimens for HSCT in the patients with hematological malignancies.

DESIGN:

Controlled study with observation.

SETTING:

Department of Hematology, Affiliated Hospital of Xuzhou Medical College.

PARTICIPANTS:

A total of 45 patients with leukemia and lymphoma hospitalized at Affiliated Hospital of Xuzhou Medical College from July 1997 to February 2006 were enrolled, including 31 males and 14 females. The median age was 31 years (from 7 to 52 years). The median course was 8 months (from 5 to 17 months) until transplantation.

METHODS:

Totally 45 patients with leukemia and lymphoma approached or got complete remission were treated by bone marrow transplantation and peripheral blood stem cell transplantation with preparative regimens of high-dose alkylating-agent-based chemotherapy. RRT was graded according to Bearman proposal, from grade 0 (no toxicity) to grade Ⅳ (fatal toxicity). The period of hematopoietic reconstitution, the rates of complete remission and relapse and disease-free survival were statistically observed in transplant recipients.MAIN OUTCOME

MEASURES:

Occurrence of RRT as conditioning regimens.

RESULTS:

①Five patients did not show any toxicity. The greatest toxicity of grade Ⅲ was uncommon (13%, 6/45). Most of the cases with RRT were in grade Ⅰ - Ⅱ and severe oases in grade Ⅲ were rare. In grade Ⅰ - Ⅱ, stomatocace and gastrointestinal toxicity were common respectively of 73% (33/45) and 51% (23/45) which were recovered in short time after treatment; Heart toxicity was rare and only in grade Ⅰ, most of which were tachyoardia and changes of ST-T shape. The increase of transaminase was common in the clinical manifestations of liver RRT except two cases of HVOD.There were four oases of HC, in which one was delayed. RRT on kidney, lungs and CNS was uncommon. ②Totally 43 patients engrafted gained hematopoietic reconstitution, 2 patients died of implant failure (4%). Within the median follow-up period of 37 (8-102) months, 10 patients relapsed, 5 patients died of transplantation-related complications and 28 patients were alive in a disease-free situation (62.2%). The cause of death within 100 days after transplantation was ordinal as acute graft-versus-host disease (GVHD), cytomegalovirus (CMV) interstitial pneumonia, disseminated infections,multiple organ failure and early relapses.

CONCLUSION:

Alkylating-agent-based conditioning regimens may be well tolerated with low toxicities for HSCT in leukemia and lymphoma.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2007 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2007 Type: Article