Familiar Remedy Shows Promise as New Chemo Drug for Bladder Cancer

An old home remedy called ipecac syrup, once stocked in medicine cabinets in case of accidental poisoning, is showing promise as a new chemotherapy drug for bladder cancer.

Years ago ipecac syrup was used to induce vomiting in poisoning cases. Now a Loyola University Medical Center study has found that the active ingredient of ipecac syrup effectively inhibits the growth of bladder cancer cells, especially when combined with a standard chemotherapy drug.

The study by corresponding authors Kimberly Foreman, PhD; Gopal Gupta, MD; and colleagues is published online ahead of print in The Journal of Urology.

The active ingredient of ipecac syrup comes from the flowering plant Psychotria ipecacuanha. The drug no longer is recommended to induce vomiting. Studies have shown that vomiting after swallowing poison does not help and sometimes can be harmful. Moreover, ipecac syrup can be abused by people with eating disorders.

Two small studies published in 1969 and 1970 found that the active ingredient of ipecac syrup, emetine dihydrochloride, helped in treating bladder cancer. Recent studies have found emetine also can kill leukemia cells.

In the new study, Loyola researchers exposed cell lines of normal and cancerous bladder cells to emetine alone and to emetine plus cisplatin. (Cisplatin is the standard chemotherapy drug for advanced bladder cancer.)

Familiar Remedy Shows Promise as New Chemo Drug for Bladder CaNcer The study found, for the first time, that:

  Emetine alone inhibits the proliferation of bladder cancer cell lines.
  Emetine acts synergistically with cisplatin to inhibit bladder cancer proliferation better than either drug does alone.
  Emetine has little effect on normal cells.

Bladder cancer is the fourth most common cancer in men and the 9th most common cancer in women. But even with aggressive surgery and chemotherapy, the five-year survival rate for patients with advanced Stage 4 bladder cancer is only 4 to 20 percent.

“There is an urgent need to develop new drug combinations,” Dr. Gupta said. “Our study demonstrates that combining emetine with cisplatin is potentially beneficial and merits further study in clinical trials.”

Dr. Gupta is an assistant professor in the departments of Urology and Surgery and in the Oncology Research Institute of Loyola University Chicago Stritch School of Medicine.  Dr. Foreman is an associate professor in the Department of Pathology and the Oncology Research Institute. Other authors are John Jesse III, a Stritch student, and Paul Kuo, MD, FACS, chair of Loyola’s Department of Surgery and director of the Oncology Research Institute.

Loyola University Health System (LUHS) is a member of Trinity Health. Based in the western suburbs of Chicago, LUHS is a quaternary care system with a 61-acre main medical center campus, the 36-acre Gottlieb Memorial Hospital campus and more than 30 primary and specialty care facilities in Cook, Will and DuPage counties. The medical center campus is conveniently located in Maywood, 13 miles west of the Chicago Loop and 8 miles east of Oak Brook, Ill. The heart of the medical center campus is a 559-licensed-bed hospital that houses a Level 1 Trauma Center, a Burn Center and the Ronald McDonald® Children’s Hospital of Loyola University Medical Center. Also on campus are the Cardinal Bernardin Cancer Center, Loyola Outpatient Center, Center for Heart & Vascular Medicine and Loyola Oral Health Center as well as the LUC Stritch School of Medicine, the LUC Marcella Niehoff School of Nursing and the Loyola Center for Fitness. Loyola’s Gottlieb campus in Melrose Park includes the 255-licensed-bed community hospital, the Professional Office Building housing 150 private practice clinics, the Adult Day Care, the Gottlieb Center for Fitness, Loyola Center for Metabolic Surgery and Bariatric Care and the Loyola Cancer Care & Research at the Marjorie G. Weinberg Cancer Center at Melrose Park.


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