IOZK

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IOZK brings the latest cancer research directly to the patient. The clinic uses a specialized lab to create treatments tailored to each person’s unique biology, focusing on effective results and aiming for a better quality of life.

Inquire for more details on available treatments and consultation options.

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About IOZK

The IOZK  – Immuno-Oncology Center Cologne  is a translational medical facility (meaning it brings laboratory research directly to the patient’s bedside).

The clinic focuses on the development of individual, patient-specific therapies that aim to activate the body’s own immune system against tumor cells. By conducting research, manufacturing, and clinical application all under one roof, the clinic ensures that innovative immunotherapies are transferred safely from the laboratory into practical use.

The facility includes a GMP-certified (Good Manufacturing Practice) laboratory, which is a mandatory European standard for the production of advanced therapy medicinal products (ATMPs). This allows for strict quality control over the cultivation of a patient’s cells and the production of personalized vaccines on-site.

The Patient Journey: Step-by-Step

The treatment process at IOZK typically follows a structured sequence to ensure the personalized vaccine is manufactured and administered under optimal biological conditions.

Phase 1: Initial Assessment and Diagnostics

The journey begins with a comprehensive diagnostic phase. The clinic performs a specialized “Immune Status” analysis to determine the current activity of the patient’s T-cells and natural killer cells.

  • Duration: 1–2 days.

  • Goal: To establish a biological baseline and confirm immune response capability.

Phase 2: Priming the Immune System

Before the vaccine is administered, the clinic utilizes oncolytic virotherapy (Newcastle Disease Virus) and modulated electro-hyperthermia to target tumor cells. This process is designed to cause “stress” in the tumor, making it visible and vulnerable to the immune system.

Phase 3: Vaccination and Maintenance

Once the personalized IO-VAC® vaccine has been manufactured, it is administered to the patient.

  • The Vaccine: Contains the patient’s own “educated” dendritic cells.

  • The Response: These cells should travel to the lymph nodes to “program” the body’s T-cells to recognize and specifically target cancer cells throughout the body.

  • Follow-up: Most protocols involve a series of vaccination cycles, usually spaced several weeks apart, depending on the patient’s specific clinical data.

Cologne as a Treatment Destination

The clinic is located in the center of Cologne, a major German medical hub.

  • Accessibility: The facility is approximately 20 minutes from the Cologne/Bonn Airport (CGN) and is easily accessible via the high-speed rail network (ICE).

  • Accommodations: There are several hotels within walking distance of the center, ranging from patient-friendly apartments to standard hotels.

  • Support: The clinic staff is accustomed to international patients and provides all medical documentation in English to ensure seamless communication with the patient’s home oncology team

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IOZK Cost and Additional Expenses

Treatment at IOZK is highly individualized, and the total cost is determined by the specific diagnostic results and the number of vaccination cycles required for a patient’s condition. All medical services are billed according to the official German Scale of Fees for Physicians (GOÄ).

Primary Treatment Components

  • Comprehensive Immunological Diagnostics: €6,800 – €8,500 A mandatory requirement for all new patients. This includes an in-depth analysis of the current immune status, tumor markers, and the “priming” of the laboratory to create the personalized vaccine.

  • IO-VAC® Vaccination Cycle: €23,000 – €26,000 per cycle This covers the custom manufacturing of the dendritic cell vaccine in the GMP-certified laboratory, the Newcastle Disease Virus (NDV) application, and the administration of the vaccine. Most protocols suggest a minimum of two cycles.

  • Multimodal Treatment Unit (5 Days): €6,000 – €11,000 Includes daily sessions of modulated electro-hyperthermia and virotherapy to prepare the tumor microenvironment for the vaccine response.

Consultation Fees

  • Initial Zoom Consultation (15–20 mins): Free of charge A brief preliminary review to determine if the patient is a candidate for the clinic’s protocols.

  • In-Depth Medical Consultation: €180 A comprehensive review of the patient’s history and current status, typically conducted in person in Cologne.

  • Tele-Tumor Conference: €380 A formal review of the case by the clinic’s multidisciplinary medical board to finalize a treatment strategy.

Contact the Clinic

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Available Treatments at IOZK

Signature Treatment: The IO-VAC® Vaccine

The IO-VAC® is the core of the IOZK protocol and is a “translational” breakthrough. Unlike off-the-shelf medications, this vaccine is a living treatment created specifically for you in the clinic’s own laboratory.

  • How it’s made: The lab cultivates your own dendritic cells (the “messenger” cells of your immune system) and “loads” them with your tumor’s specific markers and a special virus (NDV) that acts as a danger signal.

  • The Goal: Once re-injected, these “educated” cells should act like a GPS for your immune system, teaching your T-cells exactly which cancer cells to find and destroy throughout your body.

Meet the Doctors

Dr. Wilfried Stücker

Dr. Wilfried Stücker

Dr. Wilfried Stücker is the managing director of the IOZK and the IOZK Foundation.

In 1985, he initiated what is now known as the Immun-Onkologisches Zentrum Köln (IOZK).

In collaboration with various doctors and scientists, he developed IOZK immunotherapy and established the treatment center with its laboratories.

Dr. Stefaan Van Gool MD. PhD.

Dr. Stefan Van Gool, MD, PhD

Dr. Stefan Van Gool, MD, PhD, is a specialist in pediatric hematology-oncology with a focus on brain tumors.

His awards include the Schweißguth Prize (1995) and Nycomed Prize (1996) from the International Society of Pediatric Oncology, and the Cancer Research Prize from the Rik en Nel Wouters Foundation (1998, with Ludwig Van den Hove).

He coordinated the European expert group for high-grade glioma (2005–2009), has been a member of the Belgian High Health Council since 2008, and served as Co-Chair of the European Society for Pediatric Oncology’s Brain Tumor Working Group (2014–2017).

At IOZK, he is Medical Director, responsible for planning and implementing IOZK immunotherapy, and is a qualified person (GMP) in drug manufacturing.

General Information

Address

IOZK Immun-Onkologisches Zentrum Köln, Hohenstaufenring 30-32, Cologne, Germany

Spoken Languages

  • Arabic
  • Dutch
  • English
  • French
  • Hindi
  • Italian
  • Polish
  • Romanian
  • Russian
  • Spanish

Facility

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Outpatient

Learn more about the clinic

Immunological cancer therapy at the IOZK in Cologne
Living with Glioblastoma, IOZK Treatment Options and Support

Contact the Clinic

Simply leave your contact details here, and we’ll reach out within 24 hours with more information about our program.





IOZK Reviews

4
22 reviews
Chris Rigg
5 months ago
I am a patient regularly going for treatment at Iozk. I have been since Feb ‘24. I never genuinely expected to be here now to write this. I have a GMB non curable stage 4 brain cancer. I stumbled upon Iozk by serendipity and rather than do nothing beyond the nhs standard of care I reached out and understood quickly the logic behind their novel approach. Focussing on lowering stress and helping anxiety and pain the team have been literal life savers. Getting my chemo to be more effective. Helping any inflammation to be managed. Boosting my immune system. Giving me the confidence to fight for continued treatment. I am so very indebted and grateful for their approach, the opposite to nhs. Giving me hope from day 1. Being quick and clear in their communication. Being realistic about their approach: a multi layered combination treatment, constantly being refined. My treatment is personalised and is caring. These guys are leading the way, pioneers in non toxic cancer treatment and deserve the respect I am giving here. Iozk makes a difference for me
My experience with IOZK Cologne has been deeply disappointing. I had a strong impression that the clinic is primarily interested in the patient’s money. The so-called “individual approach” seems to exist mostly in theory, because in practice all patients go through exactly the same treatment scheme. This is clearly visible in the automatic way the staff work. Everyone performs their tasks mechanically, without verifying the next steps, and the nurses do not check whether the procedures are actually adjusted to the individual patient. Everything follows one rigid pattern. Montassar Cherif promised to provide contact details for an oncological surgeon who would be willing to perform surgery after the second session. The clinic was supposed to contact my mother directly regarding this matter. My mother has since passed away, and despite more than half a year having passed, no one from IOZK ever contacted her or followed up on this promise. It is also noticeable that every patient is advised to do exactly the same things. At the same time, the staff are very careful to prevent patients who arrive at the same time from having any contact with each other. Whenever someone starts talking, a receptionist immediately intervenes, interrupts the conversation and takes one of the patients away, explaining that “the room is ready” and the procedure can begin.
Jo Booth
2 years ago
My husband was diagnosed with Stage 4 brain cancer in 2021. His prognosis was dire and the UK doctors told us very little about our options. After much research I found the IOZK. They couldn't have been more helpful and supportive. They treated him with respect, care, and with innovative practices. I'm forever grateful to the IOZK team for their support and treatment; I truly believe their work gave us more precious time together. Thank you IOZK.
Richard O
2 years ago
We've been going to IOZK for my brain cancer treatment - it is a very special place. The brilliant Professor Van Gool leads his incredible team from the front; with care, unparalleled expertise and the greatest respect. IOZK is responsible for my MRI scans looking better all the time - I have no hesitation recommending IOZK to anyone - if you have cancer, I urge you to go!
Mark Nuttall
3 years ago
Our daughter was diagnosed with terminal brain cancer aged 18. In the UK she was told to make memories and given 6 to 14 months. Not good enough.! So after much research and speaking to people, IOZK in Cologne, Germany caught our attention and thank God it did. We made an appointment and met Professor Stefaan Van Gool who explained the ethos and procedures to us and offered us a plan which made complete sense. We started to make regular visits to Germany, even through lockdown and I can only say good things about everyone at IOZK, they were just brilliant. Over the next four years Laura's health improved dramatically and she was an able to go back to University and complete her degree course. We never once thought we could beat this disease, but we did give it a real fight and this was undoubtably down to the kindness and expert medical knowledge and care given to Laura by IOZK. Unfortunately, the cancer did win in the end as we knew it would, but Laura lived for nearly 5 years post diagnosis. I believe this was down to IOZK who are at least 5 years ahead of anything being done in the UK to treat Glioblastomas. Laura believed this too and she always felt better after returning from treatment. Having read some of the previous reviews I think it should be pointed out that IOZK is governed strictly and is not allowed to make profit, it has to break even and plough the money back into research. I would also like to add that even though Laura was under the supervision of many consultants in the UK, it was the straight forward advice and help we received from Professor Van Gool which we valued the most. IOZK was singularly the best decision we made in trying to help our daughter fight cancer.

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