Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:


Mayo Clinic study helps patients with pancreatic cancer experience significantly less pain


The intense pain many patients with pancreatic cancer experience may be reduced by more than 50 percent using a nerve block technique along with the standard pain-relieving medications. That is the finding of a Mayo Clinic study that will be published in the March 3 edition of the Journal of the American Medical Association (JAMA).

The study also found that the neurolytic celiac plexus block (NCPB), the type of nerve block used, continued to provide sustained pain relief over several months. This benefit may allow some patients with advanced pancreatic cancer to live more comfortably for the duration of their lives.

The Mayo Clinic study is the largest research study to date on managing pain in patients with pancreatic cancer, using the NCPB technique along with pain-relieving medications compared to pain-relieving medications alone. The study was led by Gilbert Wong, M.D., a Mayo Clinic anesthesiologist specializing in pain medicine, who also heads the Mayo Clinic Cancer Center’s Psychosocial Oncology Group.

"The pain caused by pancreatic cancer ranks among the most horrible pains anyone can experience or imagine," says Dr. Wong. "Previous research studies have suggested that 85 percent of patients with advanced disease can experience significant pain."

Pancreatic cancer is an aggressive tumor associated with a high mortality. This year an estimated 31,000 people in the United States will be diagnosed with pancreatic cancer and the majority of them will die within a year.

The Mayo Clinic study involved 100 patients who had advanced pancreatic cancer that could not be surgically removed, and were experiencing significant pain. The patients were randomly assigned to receive either the NCPB or potent pain-relieving medications alone, such as morphine, which is typical treatment for cancer pain. Subsequently, all patients could receive additional pain-relieving medications as needed. All of the patients were followed until death or for at least one year after enrolling in the study.

"Pain-relieving medications alone provided the patients with a 27 percent reduction in pain," Dr. Wong says. "Our goal was to find a better way to further reduce the pain and thereby help them live their remaining time more comfortably.

"We found that patients who also received the NCPB reported a greater than 50 percent reduction in their pain, almost twice the relief that patients who received only the pain-relieving medications got," says Dr. Wong. "Equally as important, we found that the pain relief from the combination of nerve block and pain-relieving medications lasted longer, helping some patients for the duration of their illness."

Pancreatic cancer often shows no warning signs until the tumor has grown to the point that it cannot be surgically removed. Then, approximately 80 percent of patients begin to have significant pain in the upper abdomen and mid-back. By that time, however, the cancer is often advanced and the average survival time is about six months.

"The findings of our study suggest the nerve block technique works for a substantial number of patients with advanced pancreatic cancer and should be considered as a treatment option," says Dr. Wong. "It’s an important benefit to patients with pancreatic cancer and important information for physicians who take care of them."

Study Details

One hundred patients with nonresectable pancreatic cancer and experiencing significant pain were enrolled between October 1997 and January 2001 and followed until demise or at least one year. Baseline pain was similar among patients assigned to receive the NCPB and those receiving systemic analgesic therapy (SAT) alone.

In the first week of treatment, patients in both groups reported less intense pain and improved quality of life, but patients receiving the NCPB had a larger decrease in pain than patients receiving SAT. At six weeks, fewer patients receiving the NCPB reported moderate or severe pain compared to SAT patients. Repeated analysis through the first six months after enrolling in the study showed NCPB patients had significantly lower pain over time than SAT patients. However, consumption of opioids and frequency of opioid side effects, such as sleepiness, nausea and constipation, were not significantly different between the two groups.

One year after enrolling in the study, 16 percent of patients receiving the NCPB and six percent of SAT patients were still alive.

The Mayo Clinic study, titled "Effects of Neurolytic Celiac Plexus Block on Pain Relief, Quality of Life and Survival in Patients with Unresectable Pancreatic Cancer," was funded with grants from FAER -- Foundation for Anesthesia, Education and Research, Cancer Treatment Research Foundation, and the Ehlers Family for Psychosocial Oncology and Spiritual Care Research at the Mayo Clinic Cancer Center.

To obtain the latest news releases from Mayo Clinic, go to ( is available as a resource for your health stories

Mary Lawson | EurekAlert!
Further information:

More articles from Health and Medicine:

nachricht Scientists develop tiny tooth-mounted sensors that can track what you eat
22.03.2018 | Tufts University

nachricht NIH scientists describe potential antibody treatment for multidrug-resistant K. pneumoniae
14.03.2018 | NIH/National Institute of Allergy and Infectious Diseases

All articles from Health and Medicine >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Researchers Discover New Anti-Cancer Protein

An international team of researchers has discovered a new anti-cancer protein. The protein, called LHPP, prevents the uncontrolled proliferation of cancer cells in the liver. The researchers led by Prof. Michael N. Hall from the Biozentrum, University of Basel, report in “Nature” that LHPP can also serve as a biomarker for the diagnosis and prognosis of liver cancer.

The incidence of liver cancer, also known as hepatocellular carcinoma, is steadily increasing. In the last twenty years, the number of cases has almost doubled...

Im Focus: Researchers at Fraunhofer monitor re-entry of Chinese space station Tiangong-1

In just a few weeks from now, the Chinese space station Tiangong-1 will re-enter the Earth's atmosphere where it will to a large extent burn up. It is possible that some debris will reach the Earth's surface. Tiangong-1 is orbiting the Earth uncontrolled at a speed of approx. 29,000 km/h.Currently the prognosis relating to the time of impact currently lies within a window of several days. The scientists at Fraunhofer FHR have already been monitoring Tiangong-1 for a number of weeks with their TIRA system, one of the most powerful space observation radars in the world, with a view to supporting the German Space Situational Awareness Center and the ESA with their re-entry forecasts.

Following the loss of radio contact with Tiangong-1 in 2016 and due to the low orbital height, it is now inevitable that the Chinese space station will...

Im Focus: Alliance „OLED Licht Forum“ – Key partner for OLED lighting solutions

Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP, provider of research and development services for OLED lighting solutions, announces the founding of the “OLED Licht Forum” and presents latest OLED design and lighting solutions during light+building, from March 18th – 23rd, 2018 in Frankfurt a.M./Germany, at booth no. F91 in Hall 4.0.

They are united in their passion for OLED (organic light emitting diodes) lighting with all of its unique facets and application possibilities. Thus experts in...

Im Focus: Mars' oceans formed early, possibly aided by massive volcanic eruptions

Oceans formed before Tharsis and evolved together, shaping climate history of Mars

A new scenario seeking to explain how Mars' putative oceans came and went over the last 4 billion years implies that the oceans formed several hundred million...

Im Focus: Tiny implants for cells are functional in vivo

For the first time, an interdisciplinary team from the University of Basel has succeeded in integrating artificial organelles into the cells of live zebrafish embryos. This innovative approach using artificial organelles as cellular implants offers new potential in treating a range of diseases, as the authors report in an article published in Nature Communications.

In the cells of higher organisms, organelles such as the nucleus or mitochondria perform a range of complex functions necessary for life. In the networks of...

All Focus news of the innovation-report >>>



Industry & Economy
Event News

Virtual reality conference comes to Reutlingen

19.03.2018 | Event News

Ultrafast Wireless and Chip Design at the DATE Conference in Dresden

16.03.2018 | Event News

International Tinnitus Conference of the Tinnitus Research Initiative in Regensburg

13.03.2018 | Event News

Latest News

Modular safety concept increases flexibility in plant conversion

22.03.2018 | Trade Fair News

New interactive map shows climate change everywhere in world

22.03.2018 | Earth Sciences

New technologies and computing power to help strengthen population data

22.03.2018 | Earth Sciences

Science & Research
Overview of more VideoLinks >>>