A broad international effort is needed to halt the rapid spread of cancer in poor and middle-income countries, leaders from world cancer organisations said at a meeting in Chicago.
The call for action came at the 47th annual conference of the American Society of Clinical Oncology.
More than 30,000 researchers and representatives of pharmaceutical companies participated in the forum.
The officials called on President Barack Obama and other world leaders to take con-crete action at a September meeting at the UN scheduled to focus on non-communicable diseases.
The September UN meeting “presents a monumental opportunity to put cancer on the global agenda”, said Allen Lichter, the ASCO’s chief executive officer.
“We urge world leaders to help save and improve the lives of millions of people living with cancer or at risk of the disease,” Dr Lichter said at a news conference.
The only previous UN meeting of this type was held in 2001 and focused on the spread of HIV/AIDS.
Dr Lichter said that ASCO had sent a letter co-signed by nearly 300,000 health care professionals to the White House on Monday asking Obama to participate in the UN meeting.
Cancer kills 7.6 million people worldwide each year, more than HIV/AIDS, malaria and tuberculosis combined, according to World Health Organisation figures.
A UN report concluded that the cancer rate will continue to rise and reach more than 20 million annual cases in 2030. Most of these new cases are expected to occur in low and middle-income countries.
As people in developing countries increasingly flock to polluted cities, smoke and eat rich foods like those available in wealthy countries, their cancer rate has risen and is now similar to those in rich countries.
At the current rate, the number of cancer cases in these countries will surpass the number of cancer cases in developed countries by about 2015.
However, there is a dearth of oncologists in poor and developing countries – Ethiopia for example, population 80 million, has just one oncologist – and those who do work there have limited access to the latest cancer treatments and early-detection tools.
The oncologists at the Chicago meeting were also trying to mobilise public attention for their their “World Cancer Declaration”, which outlined 11 objectives they hope to achieve by 2020.
The goals, aimed at reducing levels of cancer, include sharp reductions in smoking, drinking alcohol, rates of obesity, improvements in access to health care and universal vaccination programmes for hepatitis B and human papillomavirus (HPV), aimed at preventing liver and uterine cancer.
The declaration has 230,000 signatures. Organisers hope they can obtain one million signatures by the time of the UN conference in September.