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Four Pediatric Cancer Groups to Merge by 2000

Four Pediatric Cancer Groups to Merge by 2000

CHICAGO—The new Children’s Oncology Group, which will include and replace four major pediatric cancer research groups, is expected to be up and running soon after the end of the year. The new cooperative group will include most researchers working on pediatric cancers and will initially comprise those currently associated with the Pediatric Oncology Group (POG), Children’s Cancer Group (CCG), National Wilms’ Tumor Study Group, and Intergroup Rhabdomyosarcoma Study Group.

Vita J. Land, MD, executive officer of POG, told ONI in an interview that the merger was a response to both internal and external pressures.

“The urge to merge is partly the price of our success,” Dr. Land said. The pediatric cancer cooperative trial groups have been widely admired for their ability to achieve full accrual and complete clinical trials in a timely manner. The cure rates in some pediatric cancers are now so high that quite large numbers of patients will be required for studies to show additional improvement with new therapies. These include acute lymphocytic leukemia, with a cure rate of 70% to 75%, and Wilms’ tumor, with a cure rate of 90%.

This problem has been addressed through international, intergroup studies, but Dr. Land said that a simpler collaborative process is needed, and merging the clinical trials groups would help achieve that goal.

The external pressure is pediatric researchers’ awareness of growing demands from Congress and various oversight bodies for greater efficiency in how clinical trials are conducted. A major recommendation has been that cooperative groups combine their administrative structures.

“We realized that we should initiate this merger ourselves, based on good science, rather than waiting for others to recommend it,” Dr. Land said. “We had a window of opportunity to be proactive, and we had very strong collaboration with and support from the National Cancer Institute in doing so. We are designing our own systems and Clinical Trials Support Unit with the help of additional federal funding and industry support.”

To help smooth the transition, for example, the NCI adjusted deadlines on a number of expiring grants and extended some so that it will be easier for the merged groups to handle the grant application process.

Savings in Time and Energy

Dr. Land expects the merger to achieve considerable savings in the time and energy that has been needed to run intergroup studies. Savings can be achieved by simplifying administrative procedures and the levels of approval needed. Also, the merger will eliminate the need to coordinate two or more operations offices, including monitoring patient registration at two operations offices and obtaining multiple institutional review board approvals.

“Our mandate is to ensure that all children with cancer in Canada and the United States have access to the best treatment, either from or supervised by a member institution of the CCG or POG,” Dr. Land said. “We are currently deliberating on criteria for membership in the Children’s Oncology Group. We expect that in early 2000, all current POG and CCG institutions and researchers will be grandfathered in. Then, over the following 3 years, all 230 institutions will have to undergo the same review as new applicant institutions.”

Among the criteria expected to be adopted by the Children’s Oncology Group to maintain membership are that a research team must see at least 12 new pediatric cancer cases per year and must register at least 50% of eligible patients on approved clinical trials, or a minimum of 35 patients, whichever is less.

Integrating the information systems of the four groups has been a major challenge. That task includes preserving and maintaining access to the extremely valuable information in each group’s existing database. Dr. Land said that this work is being overseen by a transition committee that includes the chairs of all four groups.

Since the new group will include most of the pediatric oncology researchers in the United States and Canada, questions have arisen about who will be left to review grant proposals from Children’s Oncology Group researchers.

Dr. Land believes that peer review will not be a problem because grant proposals are already subjected to extensive internal peer review within all four current groups, and this process is expected to continue in the new cooperative group.

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