Bremen Ost Clinic, Bremen – Germany
About Dr. Rainer Porschen
Prof. Dr. Rainer Porschen is an internationally renowned Gastroenterologist and Gastrointestinal Oncology Specialist with over 37 years of experience in colorectal cancer, oesophageal cancer, and gastrointestinal tumour treatment. As a leading Surgical Gastroenterologist and Surgical Oncologist Bremen, Germany, he is the lead author of the German national clinical guidelines for colorectal cancer and was ranked among the top 100 doctors of Germany by FOCUS magazine.
- 37+ years of gastroenterology and oncology experience
- Lead author (Verfasser) of German national clinical guidelines for diagnosis and treatment of colorectal cancer
- Top 100 doctors of Germany — FOCUS magazine
- 2005 Merit Award — Gastrointestinal Cancers Symposium for metastatic colorectal carcinoma research
- Former research associate at MD Anderson Cancer Institute, USA (1987)
Qualifications & Credentials
Medical Degrees
- Medical Graduation — National University of Aachen (RWTH Aachen), Germany, 1973
- Doctorate (Dr. med.) — Institute of Medicine, Nuclear Research Center Jülich, Germany, 1980
- Specialist (Facharzt) in Internal Medicine — Germany
- Subspecialist qualification in Gastroenterology — Germany
- Professorship — Germany
Fellowships & Special Training
- Research Associate, Department of Gastroenterology — Heinrich Heine University, Düsseldorf, Germany, 1984
- Researcher, Hematology Department — MD Anderson Cancer Institute, Houston, USA, 1987
- Lead Coordinator (Federführung / Verfasser) — German national clinical guidelines for colorectal cancer and oesophageal cancer
- Co-founder — Interdisciplinary Bowel Cancer Centre (Darmzentrum Bremen) with Prof. Ivo Baca
Certifications & Accreditations
- German Medical Association — Board Certified Specialist in Internal Medicine and Gastroenterology
- Member, multiple German medical societies for the treatment of rectum and colon cancer, ulcerative colitis, pancreatic cancer, Barrett's syndrome, and reflux disease
- Society of Digestive Tract Diseases — Past President
Areas of Expertise
Major Conditions Treated
- Colorectal Cancer (Colon and Rectal)
- Oesophageal Cancer
- Stomach Cancer (Gastric)
- Pancreatic Cancer
- Liver and Hepatobiliary Tumours
- Small Intestine Cancers
- Gastrointestinal Stromal Tumours (GIST)
- Inflammatory Bowel Disease (Crohn's Disease, Ulcerative Colitis)
- Barrett's Syndrome and Reflux Disease
- GI Tract Lesions (Pre-cancerous and Malignant)
Sub-specialties
- Colorectal Cancer Diagnosis and Therapy: National guideline-level expertise — patients seeking the best Surgical Gastroenterologist and Surgical Oncologist doctor in Germany for colorectal cancer in Bremen consult Prof. Porschen as the lead author of the German colorectal cancer guideline.
- Oesophageal Cancer Treatment: Coordinator of German guidelines for oesophageal cancer.
- Adjuvant Chemotherapy for Stage III Colon Cancer: Principal investigator of the landmark adjCCA-01 trial published in the Journal of Clinical Oncology (2001).
- Diagnostic and Therapeutic Endoscopy: Colonoscopy, X-ray diagnostics, and minimally invasive GI procedures.
Advanced Procedures & Treatments
- Colonoscopy and Therapeutic Endoscopy
- Personalised Adjuvant Chemotherapy for Colorectal Cancer
- Targeted Therapy for Metastatic Colorectal Carcinoma
- Immunotherapy Coordination for GI Cancers
- Multimodality Treatment for Oesophageal and Gastric Cancers
- Coordination of Surgical Resection (Gastric Bypass, Colectomy)
- X-ray and Imaging-Guided Diagnostics
- Multidisciplinary Tumour Board Coordination
- Interdisciplinary Bowel Cancer Centre (Darmzentrum) Care
List of Disease and Treatment for which Dr. Rainer Porschen can be consulted
Professional Experience
Current Affiliation
- Director, Clinic for Internal Medicine — Klinikum Bremen-Ost, Züricher Str. 40, 28325 Bremen, Germany (since 2000 — 25+ years)
Past Affiliations
- Hematology Department, MD Anderson Cancer Institute, Houston, USA — Researcher, 1987
- Department of Gastroenterology, Heinrich Heine University, Düsseldorf, Germany — Research Associate, 1984
- University of Tübingen — Department of Gastroenterology (collaborator)
- Municipal Hospital Dortmund — Medical Department (collaborator)
- Institute of Medicine, Nuclear Research Center Jülich — Doctoral Trainee, 1980
- National University of Aachen (RWTH Aachen) — Medical Trainee, 1968–1973
Academic & Research Roles
- Lead Author (Verfasser / Federführung) — German national clinical guideline for diagnosis and treatment of colorectal cancer
- Co-author / contributor — German guidelines for oesophageal cancer
- Co-founder — Interdisciplinary Darmzentrum Bremen (Bremen Bowel Cancer Centre) with Prof. Ivo Baca
- Past President — Society of Digestive Tract Diseases
- Active speaker at national and international gastroenterology and oncology conferences
Key Achievements
- 37+ years of gastroenterology and gastrointestinal oncology experience
- Top 100 doctors of Germany — FOCUS magazine
- Best-rated gastroenterologist in Europe (FOCUS rating)
- Lead author of German national colorectal cancer guideline
- Director, Clinic for Internal Medicine, Klinikum Bremen-Ost since 2000
- Principal investigator of landmark adjCCA-01 colon cancer trial published in J Clin Oncol
Awards & Recognitions
National & International Awards
- Top 100 Doctors of Germany — FOCUS Magazine (for treatment of GI lesions)
- 2005 Merit Award — Gastrointestinal Cancers Symposium for Scientific Achievements in Metastatic Colorectal Carcinoma
- 1989 Clinical Award — Gastroenterology
- Award for Gastroenterology — for the work "Analysis of trace elements in patients with Crohn's disease"
- President's Award — Society of Digestive Tract Diseases
- Award of the Gastrointestinal Tract Oncology Association — for the study of colorectal cancer with metastases
Professional Memberships
- German Society for Gastroenterology, Digestive and Metabolic Diseases (DGVS)
- German Cancer Society (Deutsche Krebsgesellschaft, DKG)
- Society of Digestive Tract Diseases — Past President
- Gastrointestinal Tract Oncology Association
- AWMF (Working Group of Scientific Medical Societies) — Colorectal Cancer Guideline Coordinator
Research & Publications
Published Papers (Selected)
- Porschen R, et al. "Fluorouracil Plus Leucovorin as Effective Adjuvant Chemotherapy in Curatively Resected Stage III Colon Cancer: Results of the Trial adjCCA-01." Journal of Clinical Oncology. 2001;19:1787–1794. [Landmark Phase III trial.]
- Lead Author / Coordinator — German S3 Clinical Guideline for Colorectal Cancer (Leitlinie Diagnostik und Behandlung des Darmkrebses), AWMF / German Cancer Society.
- Multiple peer-reviewed publications in Journal of Clinical Oncology, Annals of Oncology, Gastroenterology, Zeitschrift für Gastroenterologie, and DMW – Deutsche Medizinische Wochenschrift (collaborations with W. Fischbach, I. Gockel, U. Vanhoefer, H.-J. Schmoll, and W. H. Schmiegel).
Ongoing Research & Clinical Interests
- Colorectal cancer adjuvant chemotherapy
- Metastatic colorectal carcinoma management
- Oesophageal and gastric cancer multimodality therapy
- National clinical guideline development
- Trace elements in inflammatory bowel disease
Estimated Treatment Costs
| Procedure / Consultation | Estimated Cost (INR) | Estimated Cost (USD) |
|---|---|---|
| Gastroenterology / Oncology Consultation (Germany, ~1 hr) | ₹40,000 – ₹80,000 | $480 – $960 |
| Colonoscopy with Biopsy and Imaging Workup | ₹2,00,000 – ₹4,50,000 | $2,400 – $5,400 |
| Adjuvant Chemotherapy (Stage III Colon Cancer, full course) | ₹6,00,000 – ₹15,00,000 | $7,200 – $18,000 |
| Targeted Therapy for Metastatic Colorectal Cancer (per cycle) | ₹3,00,000 – ₹7,50,000 | $3,600 – $9,000 |
| Immunotherapy Coordination (per cycle) | ₹4,00,000 – ₹8,00,000 | $4,800 – $9,600 |
| Multidisciplinary Tumour Board Review | ₹50,000 – ₹1,50,000 | $600 – $1,800 |
Frequently Asked Questions
1. What advanced technologies does Dr. Rainer Porschen use in Surgical Gastroenterology and Oncology treatment?
Prof. Dr. Rainer Porschen uses advanced colonoscopy and therapeutic endoscopy, X-ray and imaging-guided GI diagnostics, evidence-based adjuvant chemotherapy protocols (designed under his own German national guidelines), targeted therapy for metastatic colorectal cancer, immunotherapy coordination, and integrated multidisciplinary tumour board planning at the Bremen Interdisciplinary Bowel Cancer Centre.
2. What conditions does Dr. Rainer Porschen specialize in treating?
Prof. Dr. Rainer Porschen specialises in colorectal, oesophageal, gastric, pancreatic, hepatobiliary, and small intestine cancers, GIST, inflammatory bowel disease, Barrett's syndrome, and reflux disease. As a leading Surgical Gastroenterologist and Surgical Oncologist specialist Germany, he is widely consulted for evidence-based gastrointestinal cancer treatment.
3. How do I book an appointment with Dr. Rainer Porschen?
Appointments with Prof. Dr. Rainer Porschen can be booked directly through the Cancer Rounds website or by contacting their international patient department for priority scheduling.
4. Can international patients receive treatment from Dr. Rainer Porschen?
Yes. Cancer Rounds provides full assistance for international patients seeking treatment from Prof. Dr. Rainer Porschen, including medical visa invitation letters, airport transfers, and local accommodation coordination.
5. What support is available for international patients?
International patients benefit from a dedicated concierge service provided by Cancer Rounds, including language interpretation, financial counselling, and pre-travel virtual consultations to review medical records before arrival.
6. Does Dr. Rainer Porschen offer second opinions for Surgical Gastroenterology and Oncology cases?
Yes. Second opinion consultations can be arranged via Cancer Rounds for patients who wish to review their diagnosis or treatment plan with an expert Surgical Gastroenterologist and Surgical Oncologist in Bremen, Germany.
Bremen Ost Clinic, Bremen - Germany
Stomach Cancer (Gastric Cancer)
