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Treatment Roadmap for Stage 4 Ovarian Cancer | Booking Health
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Comprehensive Guide to Stage 4 Ovarian Cancer: Treatment Options

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Ovarian cancer is the 8th most common type of cancer in women, with more than 320,000 new cases registered in 2022 [1]. Around a quarter (25%) of all new cases were diagnosed in women aged 75 and older [2]. Taking into account that early symptoms are subtle and non-specific, especially among older women, ovarian cancer is often found at advanced stages. Although highly curable in the early stages, ovarian cancer stage 4 presents a challenge with survival rates generally not exceeding 30%.

Every woman's health is a complex mechanism that requires dedicated care and love. Women of reproductive age are faced with even more life-turning choices when diagnosed with ovarian cancer stage 4, as there are few treatment options that spare reproductive function. Of course, survival and optimal quality of life are the ultimate priorities in stage 4, yet choosing between life and the possibility of having your own kids in the future is definitely devastating. However, hope goes hand-by-hand with new solutions. And innovative methods of treatment are called to turn the tables and win more of your precious time while slowing the progression of the disease.

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Understanding Stage 4 Ovarian Cancer

Stage 4 ovarian cancer is a metastatic stage of the disease [3]. This means that the cancer has spread beyond the ovaries and the pelvic region to other distant organs and tissues, such as the lungs, liver, or bones. As the cancer spreads, women may experience additional symptoms such as heartburn, indigestion, back pain, or dull aches in the bones. This is exactly what makes ovarian cancer treatment at advanced stages such a complicated issue.

Standard Treatments for Stage 4 Ovarian Cancer

At stage 4, standard ovarian cancer treatment options typically include surgery, chemotherapy, and hormones for hormone-sensitive types of ovarian cancer [5]. The combination of treatments suggested depends on the characteristics of the tumor, the previous treatment strategy and its success, and your health status.

Surgery

Surgery is a matter of choice even for advanced stages of ovarian cancer treatment. When cure rates are still high, fertility-sparing surgery is preferred whenever possible. In all other cases, primary cytoreductive surgery is performed to reduce the number of tumors in the abdomen that have disseminated from the pelvic region. When complete cytoreduction is impossible (either because of your health condition or for other reasons), a laparoscopic procedure is recommended to assess the extent of disease spread. Intraoperative biopsy (malignant tissue sampling) may also be performed during this laparoscopic evaluation.

Chemotherapy

Systemic chemotherapy is the cornerstone of ovarian cancer treatment at terminal stages. It often accompanies surgery in complex management of ovarian cancer in the advanced stages of the disease. Chemotherapy for ovarian cancer stage 4 typically requires a combination of several chemotherapeutic agents. Testing for BRCA1 and BRCA2 is crucial before starting therapy.

Advanced Ovarian Cancer Treatment Options

Innovative cancer treatments are gaining worldwide attention for their breakthrough effects, especially in the treatment of various types of gynecological cancer. Targeted therapy and immunotherapy, dendritic cell vaccines and chemoembolization, HIPEC and PIPAC are just a few of the treatments that have proven effective for 4 stages of ovarian cancer.

Targeted Therapy

Targeted therapy is a type of therapy that utilizes specific drugs that target genetic changes in malignant cells. These genetic mutations lead to the production of specific proteins or signaling molecules that help cancer cells grow and multiply. Targeted therapy for ovarian cancer is widely used for advanced stages of the disease with monoclonal antibodies and PARP inhibitors being included in the official guidelines.

Monoclonal antibodies are typically used in combination with chemotherapy after the completion of the therapy program. These drugs can significantly improve progression-free survival (up to 85%) and prolong overall survival. PARP inhibitors may also be administered post-chemotherapy. These drugs interfere with the process of DNA repair inside malignant cells, leading to their death.

Before starting treatment with PARP inhibitors, BRCA1 and BRCA2 testing is required to verify benefit from this treatment. PARP inhibitors are typically a therapy of choice when there is an inadequate response to chemotherapy. PARP inhibitors are also well-tolerated when used in combination with monoclonal antibodies due to the lack of overlapping toxicities. Either used as a monotherapy or in combination with other treatments, PARP inhibitors demonstrate clearly improved progression-free survival (up to 40%), which verifies the exceptional benefit of targeted therapy for ovarian cancer patients.

Immunotherapy

Immunotherapy utilizes your own immune system to recognize and eliminate malignant cells. Immunotherapy for ovarian cancer is still under investigation, but it has already shown first robust results in several clinical studies. One of the best-known and most studied classes of agents are immune checkpoint inhibitors. These drugs help stop cancer cells from evading the immune response by targeting specific signaling molecules that are crucial for the immune response. PD-1 and PD-L1 inhibitors are the drugs currently being studied in combination with other therapies such as targeted therapy and systemic chemotherapy to reduce disease recurrence and improve tumor control [4].

Dendritic Cell Therapy

Dendritic cell therapy is a form of personalized immunotherapy that uses a patient's own immune cells to eliminate malignant cells. Dendritic cells play a key role in the immune response by helping specific immune killers track down and destroy cancer cells. Dendritic cell vaccines are a novel form of immunotherapy where the therapy focuses on creating specific anti-tumor immunity based on your own cancer type. The process of dendritic cell therapy consists of the following steps:

  1. Drawing blood and harvesting dendritic cells from it.
  2. Obtaining the tumor specimen (either from surgery or from a liquid biopsy). The whole process is an outpatient procedure that does not require a hospital stay.
  3. Cell cultivation. Dendritic cells are cultured and multiplied in a special incubator influenced by numerous nutritional factors. At the initial stages of this process, tumor antigens are added to these cells.
  4. Antigen exposure. Dendritic cells make their "first contact" with tumor antigens and train to recognize them.
  5. Vaccine administration. The vaccine containing specific tumor-oriented dendritic cells is injected subcutaneously in the groin area.

Dendritic cell vaccination is a simple and time-sparing procedure. As opposed to other systemic treatments such as chemotherapy or radiation therapy, it does not cause any significant side effects. Several studies have focused on dendritic cell therapy in the treatment of ovarian cancer, including recurrent and chemotherapy-resistant types. These studies revealed that chemotherapy-sensitive patients with recurrent ovarian cancer who were administered a dendritic cell vaccine reported considerably longer progression-free survival rates (36 and 44 months). Apart from reducing recurrence, dendritic cell therapy improves overall survival when combined with other systemic treatment approaches. Even though studies are still ongoing, dendritic cell vaccines represent a valuable novel alternative to standard systemic treatments.

HIPEC

HIPEC (hyperthermic intraperitoneal chemotherapy) is a type of regional chemotherapy in which heated chemotherapy is delivered into the abdominal cavity. Since cancer cells disseminate to other organs and regions of the body at advanced stages, the abdomen is one of the most common sites for metastatic tumors. The abdomen covers a large area, and small metastatic lesions are extremely difficult to reach. HIPEC solves this problem by delivering chemotherapy directly to the tumor site. On the other hand, hyperthermia increases the absorption of chemotherapeutic agents as well as the sensitivity of the tumor to therapy by interfering with DNA repair. In addition, hyperthermia itself is also capable of inducing programmed cell death.

HIPEC can be administered during or immediately after cytoreductive surgery. Several studies have demonstrated its indisputable benefit for ovarian cancer treatment, including recurrent ovarian cancer. In a large multicenter randomized trial, patients who received HIPEC after cytoreductive surgery for recurrent ovarian cancer showed significantly improved survival: 54.3 vs 45.8 months in the surgery without HIPEC group. Another large multicenter study proved that adding HIPEC to surgery can improve disease recurrence rates and reduce the risk of death.

The HIPEC procedure is definitely beneficial for the patients in terms of clinical efficacy, although it is associated with a number of side effects. The most common adverse reactions were abdominal pain, discomfort, hepatotoxicity, and blood disorders (anemia). This may be one of the reasons why HIPEC is not yet a standard practice for ovarian cancer.

PIPAC

PIPAC (pressurized intraperitoneal chemotherapy) is a minimally invasive surgical procedure that administers chemotherapy into the abdominal cavity by means of pressurized aerosol. This aerosol is delivered under pressure, which enables deeper tissue penetration and a more widespread distribution of the drug.

While still under research, PIPAC for ovarian cancer recommended itself as a beneficial palliative treatment when other systemic therapies are not effective. One of the largest studies for the usage of PIPAC in recurrent ovarian cancer demonstrated that over 80% of patients had a valuable clinical benefit. Studies in other cancers (gastric peritoneal metastases) also found PIPAC to be extremely beneficial in terms of overall survival compared to systemic therapy alone (19.1 vs 10.7 months).

PIPAC may also be more patient-friendly than other treatment options, including HIPEC, as reported by some studies. Due to the fact that chemotherapy is administered regionally, there are no systemic side effects from chemotherapy. The procedure itself is done by means of laparoscopy (a minimally invasive surgical technique), which significantly reduces the risk of major intra- and postoperative complications such as infection. The overall better tolerability of PIPAC turns out to be an advantageous innovative approach for recurrent ovarian cancer without having serious adverse effects on the patient's health.

Interventional Radiology: Percutaneous Ablation and Transarterial Embolization

Minimally invasive, image-guided techniques are becoming increasingly integrated into treatment protocols for advanced ovarian cancer. These methods present a valuable alternative for patients who are not candidates for surgery, enabling precise destruction of tumor sites under the guidance of imaging technologies such as computed tomography (CT) and ultrasound.

Thermal ablation, including radiofrequency ablation (RFA) and microwave ablation (MWA), has been used as a complementary modality for metastatic and recurrent ovarian carcinoma. These approaches are especially effective for disease recurrence affecting the peritoneal surface or the liver. Thermal ablation, which uses elevated temperatures to irreversibly destroy malignant cells, is increasingly being used in multimodal cancer treatment plans, although it is not yet part of a standard protocol. Clinical studies have demonstrated local tumor responses of more than 90% at one-year intervals. Above that, thermal ablation is commonly accompanied by notable symptom relief, specifically in reducing pain levels. MWA, which is known for its ability to produce extensive eradication zones, is particularly beneficial for deep pelvic or retroperitoneal secondary ovarian malignancies.

Cryoablation employs sub-zero temperatures to cause tumor necrosis. It has emerged as a promising approach for recurrent ovarian tumors, including lesions located near critical anatomic structures such as the bowel or ureter. Scientists suggest that cryoablation can lead to disease control of around 70% in patients with recurrent pelvic tumors, which is of absolute advantage to enhance quality of life by successfully managing intestinal obstruction [7]. It is especially beneficial in cases where repeated surgical debulking is not indicated or has already failed.

Electrochemotherapy (ECT) is a novel ablation technique that uses electrical impulses to eliminate malignant foci while administering chemotherapeutic drugs via injection. ECT is being explored for challenging cases of ovarian cancer tumor recurrence. Doctors reported tumor response rates of around 70% for cases when standard treatment options, including surgery and chemoradiation, have failed. ECT is also capable of activating specific immune responses aimed at eliminating the residual malignant cells. It is especially crucial for the complex management of terminal cases of advanced ovarian cancer.

Chemoembolization is a form of regional chemotherapy, which involves administering chemotherapeutic drugs directly into the blood vessels feeding a tumor. This comes alongside emboli (small blocking substances) that simultaneously block the blood supply. As a result, due to such technical characteristics it is possible to deliver high-dose chemotherapy while minimizing systemic exposure.

In ovarian cancer, chemoembolization is considered for patients with isolated metastatic lesions, for example, in the liver, or those who did not respond to systemic treatments [6]. Chemoembolization was found to be particularly effective in previously treated patients with platinum resistance, as it improved overall disease control. The technique also demonstrated high response rates (70-90%), statistically reducing the risk of disease recurrence.

Although not yet a standard of care, chemoembolization for ovarian cancer is well tolerated by patients compared to systemic therapy. The regional effect of chemotherapy prevents systemic exposure and maximizes the regional effect on metastatic lesions, which result in a particularly good therapeutic effect. Less adverse effects combined with maximum efficacy make chemoembolization an advantageous choice for stage 4 ovarian cancer.

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For a broader perspective on all of the innovative cancer treatment options, have a look at the effectiveness comparison chart.
Procedure/CharacteristicsSurgerySystemic ChemotherapyTargeted TherapyDendritic CellsHIPECPIPECChemoembolization
Response rate15-30%Less than 10%35-45%60-80%40-55%35-45%35-45%
Recurrence rateNo significant impact on recurrenceReduces recurrence for 1/3 of the patientsReduces recurrence for up to 40%Reduced recurrence ratesReduced recurrence for several monthsExtended progression-free time for several monthsExtends progression-free time up to 1 year when combined with other treatments
Overall survival~20-30%~20% for advanced cancer~50% for advanced cancer (with biomarkers)~80% for advanced cancer30-50%30-50%~60% for advanced cancer
Adverse effectsPain, infection, indigestionHair loss, nausea, vomiting, blood disorderMild to moderate (rash, fatigue)Minimal (flu-like symptoms)Pain, indigestionMild (abdominal pain, nausea, temporary inflammation)Mild (localized discomfort)

Treatment Stories: Regain Hope with Innovative Treatment Options

The management of gynecological cancer presents a complicated task indeed, both for you as a patient and for your oncologist. At times, you may feel that there is no visible progress or that nothing more can be done in your case. However, you are not alone in this battle. Hope will always come for those who seek it, and this is exactly what happened to Sonja Maria from Sweden. Maria was diagnosed with high-grade serous tubular ovarian cancer stage 4A, with peritoneal involvement. Looking for another opinion, she went to a German oncology hospital renowned for gynecological cancer treatment at advanced stages. Ms. Holst underwent surgery, but it was more than just a mere surgical procedure. She gained a supportive environment and overwhelming care that is essential for patients on their journey of dealing with cancer.

Ms. Gasparian was also looking for hope and alternative treatment options, so she accompanied her beloved mother to Germany for immunotherapy. Ms. Gasparian's mother was diagnosed with stage 4 ovarian cancer, and they were in desperate need of action. After learning about dendritic cell therapy, they grabbed an opportunity to organize the treatment abroad at Prof. Gansauge's clinic. Immunotherapy for ovarian cancer is a novel yet promising approach that not only improves the patient's quality of life, but also provides valuable clinical benefits in terms of disease control and tolerability of the procedure itself. In addition to the exceptionally comfortable atmosphere at the clinic, Ms. Gasparian also highly appreciated the quality of service and organization of her treatment. There was no need to worry about visas, translations or coordinating other processes, which is invaluable for patients with various cancer types undergoing treatment abroad.

Gretta Gasparian and Prof. Gansauge
Gretta Gasparian and Prof. Gansauge

Regain Hope with Innovative Cancer Treatments

Diagnosis of metastatic cancer is always frustrating and distressing. There may be a feeling that "it is the end", and even the doctors may say that "our options are limited" or "there is little we can do". However, there is always hope, even when it seems like there is none.

Medicine is one of the most rapidly advancing fields, which means innovations appear constantly. Novel drugs, advanced equipment, including robotic-assisted techniques, as well as new therapeutic approaches – all of that is developing non-stop for the sake of preserving one’s health. Standard protocol methods have been studied for years and proven to be effective in many cases. However, it is well-known that tumors also become more and more resistant to our "classical" therapeutic methods. Coming with a significant list of adverse effects that affect your daily life, these methods often lead to a situation where you discontinue treatment. Little efficacy, constant need to take multiple pills, or endless weeks that you have to spend in the hospital while battling with side effects of chemo – all of this makes you feel like giving up on your little progress and hope for improvement. Yet, it is exactly the moment when you can get a second wind with the help of novel treatment methods.

Immunotherapy with dendritic cells, chemoembolization and radionuclide treatment, targeted therapy, and other innovative therapies are among the few interventions that can make a difference for advanced stages of cancer. There is no need to spend countless days in the hospital getting injections – most of these techniques require just a short-term stay or a one-time visit. Having remarkably fewer side effects as opposed to standard methods, innovative treatment methods for advanced cancer demonstrate that treatment can be both effective and life-changing. Battling with metastases, halting disease progression and tumor growth, as well as improving overall immunity and health state, advanced methods for cancer treatment are not the ultimate cure, but a life-sparing tool.

Modern treatment methods and experts in the field of advanced cancer treatment may offer several brand-new approaches to managing advanced stages of cancer. Do not abandon your hope for the better – look for innovations today.

A Medical Journey: Every Step of the Way With Booking Health

Finding the best treatment strategy for your clinical situation is a challenging task. Being already exhausted from multiple treatment sessions, having consulted numerous specialists, and having tried various therapeutic interventions, you may be lost in all the information given by the doctors. In such a situation, it is easy to choose a first-hand option or to follow standardized therapeutic protocols with a long list of adverse effects instead of selecting highly-specialized innovative treatment options.

To make an informed choice and get a personalized cancer management plan, which will be tailored to your specific clinical situation, consult medical experts at Booking Health. Being at the forefront of offering the latest medical innovations for already 12 years, Booking Health possesses solid expertise in creating complex cancer management programs in each individual case. As a reputable company, Booking Health offers personalized stage 4 ovarian cancer treatment plans with direct clinic booking and full support at every stage, from organizational processes to assistance during treatment. We provide:

  • Assessment and analysis of medical reports
  • Development of the medical care program
  • Selection of a suitable treatment location
  • Preparation of medical documents and forwarding to a suitable clinic
  • Preparatory consultations with clinicians for the development of medical care programs
  • Expert advice during the hospital stay
  • Follow-up care after the patient returns to their native country after completing the medical care program
  • Taking care of formalities as part of the preparation for the medical care program
  • Coordination and organization of the patient's stay in a foreign country
  • Assistance with visas and tickets
  • A personal coordinator and interpreter with 24/7 support
  • Transparent budgeting with no hidden costs

Health is an invaluable aspect of our lives. Delegating management of something so fragile yet precious should be done only to experts with proven experience and a reputation. Booking Health is a trustworthy partner who assists you on the way of pursuing stronger health and a better quality of life. Contact our medical consultant to learn more about the possibilities of personalized treatment with innovative methods for metastatic ovarian cancer with leading specialists in this field.


Advanced Cancer Treatment: Patient Success Stories with Booking Health

Frequently Asked Questions of Our Patients

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Stage 4 ovarian cancer is the most advanced form of the disease, where cancer has spread to distant organs such as the liver, lungs or lymph nodes outside the abdominal area.

While stage 4 ovarian cancer is generally not considered completely curable, it is treatable. Many patients can achieve remission and live for a long time with appropriate care.

Treatment typically includes a combination of surgery (to remove as much of the tumor as possible) and systemic therapies (chemotherapy). Targeted therapies and, in some cases, immunotherapy may also be considered.

Chemotherapy remains a foundation of treatment and can be highly effective in reducing tumor burden, relieving symptoms, and prolonging overall survival, especially when combined with other therapies.

Immunotherapy shows promise in advanced ovarian cancer, though it is not a part of standard treatment protocol yet. Select patients may benefit from specific immunotherapy combinations depending on the molecular profile of their cancer.

The best hospitals for ovarian cancer with expertise in gynecologic oncology offer the most comprehensive care, including access to advanced treatment options and clinical trials. Many of these international clinics are located in Germany.

Survival varies based on many factors, including the patient's overall health, response to treatment, and cancer subtype. With modern therapies, patients can live for several years after diagnosis.

Stage 4 ovarian cancer is generally not considered curable, but modern treatments can significantly extend survival and improve quality of life. Long-term management is often possible with a personalized treatment approach.

The stage 4 ovarian cancer survival rate varies but is generally around 17-28% at five years, depending on the patient's age, overall health, and response to treatment.

The latest treatments for stage 4 ovarian cancer in Germany include HIPEC, PIPAC, targeted therapy, PARP inhibitors, immunotherapy, interventional radiology techniques, and dendritic cell therapy. These modern treatments are tailored to improve patient outcomes.

Diagnosis of stage 4 ovarian cancer involves a combination of pelvic exams, imaging (CT/MRI/PET scans), and blood tests (e.g., CA-125), followed by a biopsy to confirm metastasis to distant organs.

Common symptoms of stage 4 ovarian cancer include abdominal bloating, pain, fatigue, weight loss, changes in bowel or bladder habits, and shortness of breath due to metastasis. These are among the main symptoms of stage 4 ovarian cancer.

Yes, surgery for stage 4 ovarian cancer is often performed to remove as much tumor mass as possible (cytoreductive surgery). It is usually followed by chemotherapy or targeted therapy.

HIPEC for stage 4 ovarian cancer is a procedure where heated chemotherapy is delivered directly into the abdomen after surgery. It can potentially extend survival and reduce recurrence in selected patients.

Dendritic cell therapy for ovarian cancer is an innovative immunotherapy that activates the immune system to attack cancer cells. It may help control disease progression and improve quality of life when combined with other treatments.

The cost of stage 4 ovarian cancer treatment in Germany depends on the therapies used and hospital choice. On average, it ranges from €30,000 to €60,000, with advanced therapies like HIPEC and dendritic cell therapy at the higher end.

Choose treatment abroad and you will for sure get the best results!


Authors:

This article was edited by medical experts, board-certified doctors Dr. Nadezhda Ivanisova, and Dr. Vadim Zhiliuk. For the treatment of the conditions referred to in the article, you must consult a doctor; the information in the article is not intended for self-medication!

Our editorial policy, which details our commitment to accuracy and transparency, is available here. Click this link to review our policies.

Sources:

[1] Medscape. Ovarian Cancer. https://emedicine.medscape.com/article/255771-overview

[2] ASCO Educational Book. Epithelial Ovarian Cancer in Older Women: Defining the Best Management Approach. https://ascopubs.org/doi/10.14694/EdBook_AM.2015.35.e311

[3] NIH, National Cancer Institute. Ovarian Epithelial, Fallopian Tube, and Primary Peritoneal Cancers Treatment (PDQ®)–Patient Version. https://www.cancer.gov/types/ovarian/patient/ovarian-epithelial-treatment-pdq

[4] Cancer Research Institute. What Makes Immunotherapy for Ovarian Cancer a Promising Treatment? https://www.cancerresearch.org/immunotherapy-by-cancer-type/ovarian-cancer

[5] National Ovarian Cancer Coalition. What are the Treatment Options for Ovarian Cancer? https://ovarian.org/about-ovarian-cancer/treatment-options-for-ovarian-cancer/

[6] Gynecologic Oncology. Initial experience with repetitive transarterial chemoembolization (TACE) as a third line treatment of ovarian cancer metastasis to the liver: Indications, outcomes and role in patient's management. https://www.gynecologiconcology-online.net/article/S0090-8258(11)00882-1/abstract

[7] Science Direct. Percutaneous Cryoablation of Ovarian Cancer Metastasis to the Liver: Initial Experience in 13 Patients. https://www.sciencedirect.com/science/article/pii/S1048891X24021091

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