Pancreatic Cancer

Pancreatic Cancer

Pancreatic cancer has proven to be one of the most challenging cancers to detect and treat. Without effective screening tests, patients are usually diagnosed at an advanced stage when therapies have limited effect. The biological complexity of pancreatic tumors is an added challenge, enabling these tumors to adapt and grow despite intense therapy.

Still, even with this hard-to-treat cancer, important gains have occurred in the last 40 years, thanks in large part to the thousands of patients who have participated in clinical trials. The trials have shown that some drug therapies can control the cancer and improve survival, even for patients with advanced stages of disease.

Today, researchers are using knowledge from the recent mapping of the pancreatic cancer genome to develop therapies that target not one but many genetic abnormalities in pancreatic cancer cells. 

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1996

Gemcitabine modestly extends survival, relieves symptoms with advanced pancreatic cancer

Gemcitabine modestly extends survival, relieves symptoms with advanced pancreatic cancer

Gemcitabine (Gemzar) is approved for pancreatic cancer that has spread to nearby organs or to distant parts of the body, based on a clinical trial demonstrating that it modestly extends survival compared to 5-fluorouracil, the previous standard of care. Gemcitabine is also shown to provide greater relief from disease-related symptoms, including pain. Gemcitabine is widely used today to treat the disease, either alone or in combination with other drugs.

1993

New imaging techniques help doctors assess and identify which patients need more aggressive care

New imaging techniques help doctors assess and identify which patients need more aggressive care

The introduction and refinement of new imaging technologies, such as endoscopic ultrasound (inserting an ultrasound probe through the mouth and into the patient's stomach and first portion of the small intestine) and CT scanning, leads to more accurate "staging" of pancreatic cancer. Accurate staging – assessing the extent of the disease and its spread – is critical to selecting the most effective treatments and determining a patient's prognosis.

1985

Chemotherapy plus radiation effective as adjuvant therapy

1981

Chemotherapy plus radiation effective for patients who cannot be treated surgically

Chemotherapy plus radiation effective for patients who cannot be treated surgically

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Adding the chemotherapy drug 5-fluorouracil to standard radiation is shown to boost one-year survival from 10 percent to 40 percent for patients with locally advanced inoperable pancreatic cancer (disease that has spread to nearby tissues but cannot be surgically removed). The findings show the benefits of combining different treatment approaches for this stage of disease.

1978

Modification of standard surgical technique leads to fewer complications for patients with early-stage pancreatic cancer

Modification of standard surgical technique leads to fewer complications for patients with early-stage pancreatic cancer

Surgeons refine the standard surgical approach for removing pancreatic tumors, called the "Whipple" procedure. The modified pylorus (stomach)-preserving approach takes less time to perform, requires a shorter hospital stay, and results in similar survival outcomes. Patients treated with this new approach also have a lower risk of long-term side effects, which can include gastrointestinal distress, ulcers, cramping and dizziness.

1974

Tobacco use found to cause pancreatic cancer