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 Oasis of Hope Hospital for treating cancer using metabolic therapies including laetrile Oasis of Hope Hospital 
(Contreras Clinic)
Tijuana, Mexico
(888) 500-4673 to arrange a phone consultation with a doctor
or 011 52 664 631 61 00 if outside the U.S.

Also known as The Contreras Clinic, The Oasis of Hope Hospital has been treating cancer since 1963. It is run by Dr. Ernesto Contreras, M.D. and his son, Dr. Francisco Contreras, M.D. They have treated over 100,000 patients with a good success rate. The hospital is very clean and modern. The staff speak English.

It is particularly famous for its long and successful use of Laetrile and enzyme therapy, but they also have a cancer prevention program and offer a large variety of therapies including Managed Nutrition and the Body-Mind-and Spirit approach.

When we visited this facility, we were impressed with the professionalism and efficiency of the medical personnel and we particularly like the fact that each patient is assigned a personal companion who is always on call to provide whatever non-medical help may be needed. That could be anything from locating fresh stationery, assisting in hooking up a laptop computer (yes, each patient room has a modem connection available) or just having someone to talk to.
Each room has an extra non-hospital-type bed for a family member. Oasis provides free transportation between the hospital and the San Diego, California, airport. Potential patients are encouraged to have a free phone consultation with one of the hospital’s doctors before deciding to undergo treatment.

In 1999, The Gerson Institute moved its facilities to Oasis and this is where Charlette Gerson is currently working. Diet and nutrition is very important at this facility. The Gerson program is, however, separate from Oasis's program. As of May, 2002, Gerson has moved to a new facility. Go to our Gerson page for more information.

They are currently the only facility authorized by The Issel's Foundation to use use the name of Issels and Issels Treatment. Call 888-500-4673. They have been treating cancer patients over 35 years. Go to for more information. The Issels Treatment Center is a separate entity within the Oasis hospital.

Oasis uses mostly alternative therapies, but in certain situations they may use a combination of both conventional and alternative therapies. For example, for liver cancer they use a combination of 5FU (chemotherapy) with laetrile and inject it directly into the liver. They are having some good success with this.

There are several programs including a 4 Day Program for people doing chemotherapy who want to complement it with alternative approaches or for those show are not sure if alternative medicine is the best solution but want to try it. A program will be designed during these four days for you to take home with you.

There is a strong religious side to this facility.

There is a write up on Dr. Contreras in Burton Goldberg's book The Alternative Medicine Definitive Guide to Cancer.

They have an office in San Ysidro, but the clinic is in Mexico. You can visit their website at for more information on this clinic. For a free consultation with one of their doctors, call toll-free (888) 500-4673 and let them know we referred you. Or, we can arrange an appointment for you by calling (800) 282-2873 or emailing This email address is being protected from spambots. You need JavaScript enabled to view it..


The information on this page is provided by The Cancer Cure Foundation based on information we have received from a variety of sources, including the clinic itself, feedback from people who have gone to the clinic, and in some cases from clinic tours. The listing of a doctor or clinic here does not signify an endorsement by the Cancer Cure Foundation, unless we have indicated it. We encourage you to check out each clinic by visiting the clinic if possible, talking to people who have gone to the clinic (ask the clinic for contact information of people who have gone to the clinic), and by checking with other organizations as to what they know about the clinic. There are also some forums you can join to get feedback from others. We would also be happy to tell you what we know about any of these clinics.
If you do go to any of these clinics for treatment, be sure to mention you heard about them through The Cancer Cure Foundation, and be sure to let us know about your experience, positive or negative. Any feedback you can offer may help others who are trying to decide which clinic to go to or which therapy to use.

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