Navigation Links
HIV Drug May Prevent Bone Marrow Transplant Complication
Date:7/11/2012

WEDNESDAY, July 11 (HealthDay News) -- An HIV drug significantly reduced the risk of graft-versus-host disease, an all-too-common complication in blood cancer patients following bone marrow transplants, new research finds.

Bone marrow is the spongy tissue inside the bones that contains immature cells, or stem cells. In an "allogeneic" bone marrow transplantation, also called a stem cell transplant, a patient's own stem cells and immune system are wiped out by chemotherapy and radiation. Then, the patient receives the transplant, or bone marrow, from a closely matched donor.

The treatment is used for several types of blood cancers, including lymphoma and leukemia.

But a common complication of a bone marrow transplant is graft-versus-host disease. It occurs when transplanted immune cells attack patients' healthy tissue, a complication that can be minor or life-threatening.

"Graft-versus-host disease affecting the skin, liver, gut and other organs is a dreaded complication of allogeneic stem cell transplantation either from a related or unrelated donor," said one expert, Dr. Jasmine Zain of NYU Langone Medical Center in New York City. "The rates are 35 percent with related donors and up to 57 percent by day 100, even in reduced-intensity transplants," added Zain, who is director of the Bone Marrow Transplant Program and assistant professor in the division of hematologic malignancies and medical oncology at the center.

The study was conducted by a team at the University of Pennsylvania's Perelman School of Medicine and included 38 patients with several types of blood cancers. The cancers included acute myeloid leukemia, myelodysplastic syndrome, lymphoma and myelofibrosis. All of the patients were given the drugs tacrolimus and methotrexate, which suppress the immune system and are a standard treatment to prevent graft-versus-host disease.

The patients were also given a 33-day course of the HIV drug, maraviroc, beginning two days before their transplant.

None of the patients treated with maraviroc developed graft-versus-host disease in the gut or liver within the first 100 days after their transplant. The liver and gut are the most serious locations for the complication, the researchers noted.

After six months, 6 percent of these transplant patients developed severe graft-versus-host disease compared to 22 percent of a group of similar patients who weren't treated with the HIV drug.

In addition, fewer in the group given the HIV drug developed graft-versus-host disease in their liver or gut compared to those given the standard treatment.

One year following transplant, about 15 percent of patients given the HIV drug developed severe graft-versus-host disease compared to 29 percent of patients who received standard therapy.

The study was published in the July 11 edition of the New England Journal of Medicine.

Researchers explained that the HIV drug redirects these immune cells without having to suppress patients' immune systems. Because their immune systems aren't compromised by the drug, patients should be less vulnerable to infections and to a relapse of their cancer.

"It appears that our new approach allows us to prevent some patients from developing [graft-versus-host disease] by redirecting immune cells away from certain sensitive organs that they could harm," lead study author Dr. Ran Reshef, an assistant professor in the division of hematology-oncology, said in a university news release. "This is a novel way for us to try to decrease treatment-related complications among bone marrow transplant patients without also reducing their new immune system's ability to attack their cancer."

More research on the effects of longer-term treatment with maraviroc is needed, they added.

For her part, Zain called the study "innovative."

"There was no increase in the degree of immunosuppression, which is the usual approach to prevent and treat graft-versus-host disease but comes at a cost of increased infections and disease relapse," Zain said. "This makes this a novel and unique approach that should be investigated in a larger trial."

More information

The U.S. National Library of Medicine has more about bone marrow transplants.

-- Mary Elizabeth Dallas

SOURCES: Jasmine Zain, M.D., director, Bone Marrow Transplant Program, assistant professor, division of hematologic malignancies and medical oncology, NYU Langone Medical Center, New York City; University of Pennsylvania School of Medicine, news release, July 11, 2012


'/>"/>
Copyright©2012 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Studies Show Value of AIDS Drugs as Prevention
2. Cleveland Clinic researchers discover molecule that may prevent atherosclerosis
3. Identifying risky behaviors: The key to HIV prevention
4. New study suggests moderate alcohol consumption may help prevent bone loss
5. Interactive personal health records increase clinical preventive services
6. U.S. High Schools Lax in Preventing Dating Abuse: Study
7. Prevention is better than cure for killer cardiovascular disease
8. Higher Doses of Vitamin D Prevent Fractures in Older Women
9. Tufts Medical Center researchers receive $10 million NIH grant to test blood clot prevention drug
10. The prevention of hereditary breast and ovarian cancer by PGD is feasible
11. Moffitt Cancer Center researchers test drug combinations to prevent graft vs. host disease
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
HIV Drug May Prevent Bone Marrow Transplant Complication
(Date:2/8/2016)... ... February 08, 2016 , ... The Federal ... federallabs.org . The site houses a wealth of federal resources that businesses ... the process called technology transfer (T2). As a network of over 300 federal ...
(Date:2/8/2016)... Peachtree City, GA (PRWEB) , ... February 08, 2016 , ... ... healthy and cavity-free. February is National Children’s Dental Health Month and family dentist Yvonne ... to 3 p.m. at Coast Dental , located next to Target at 1207 ...
(Date:2/8/2016)... ... February 08, 2016 , ... The Valentine’s Season is famous for gift giving with flowers, chocolates ... they are loved. This year, for more than 5.6 million Americans suffering with Alzheimer’s, ... be enough to remind them of the lives they’ve led and the people they’ve touched. ...
(Date:2/8/2016)... ... 08, 2016 , ... Brenton Engineering , powered by ... flow wrapped products at WestPack 2015, February 9-11, in Anaheim, California. This new ... semi-automatic or fully-automatic case packing with a small footprint, rugged, highly flexible, and ...
(Date:2/8/2016)... (PRWEB) , ... February 08, 2016 , ... ... footwear and clothing, announced expansion into Canada to provide its range of unique ... a sales office in Quebec City that will provide bilingual customer service and ...
Breaking Medicine News(10 mins):
(Date:2/9/2016)... 9, 2016 The global prefilled syringes market ... is expected to grow with a CAGR of 12.9% ... syringes segment dominated the global prefilled syringes market, with ... --> The global market of prefilled syringes ... increasing geriatric population, increasing demand for vaccines, increasing prevalence ...
(Date:2/9/2016)... 2016  Increasingly, health care professionals are enhancing patient ... wireless technology. With the Vios Monitoring System from Vios ... remotely detect problems before they become serious by continuously ... the United States . ... --> The Vios Monitoring System connects ...
(Date:2/9/2016)... , Feb. 9, 2016 Athenex, Inc. announced ... as Vice President of Corporate Strategy and Business Development based ... MBA has joined as Senior Director and Deputy Head of Clinical Research ... . Simon Pedder stated, "Athenex has a ... a while. Coupled together with their unique business model and ...
Breaking Medicine Technology: