When is chemotherapy used for ovarian cancer?
Chemotherapy may be used at different points during ovarian cancer treatment.
The role and timing of chemotherapy depend on your specific cancer type, stage, pathology, overall health, and treatment plan.
Chemotherapy after surgery
Chemotherapy given after surgery is called adjuvant chemotherapy.
Its purpose is to treat cancer cells that may remain after surgery and reduce the chance that those cells will continue to grow.
Many people with ovarian cancer receive chemotherapy after surgery. However, chemotherapy is not necessary for every ovarian tumor type or stage.
Chemotherapy before surgery
Chemotherapy given before surgery is called neoadjuvant chemotherapy.
For some people, chemotherapy may be used first to shrink or control the cancer before surgery.
After several treatments, your health care team may use imaging, blood tests, and other information to evaluate how the cancer has responded. Surgery performed after chemotherapy is called interval debulking surgery or interval cytoreductive surgery.
Whether surgery or chemotherapy comes first is an individualized decision based on your diagnosis and overall health.
Learn more about ovarian cancer surgery and when chemotherapy may come first.
Chemotherapy for recurrent ovarian cancer
Chemotherapy may also be used when ovarian cancer returns after initial treatment.
The treatment recommended after recurrence depends on your ovarian cancer type, treatments you have received before, how the cancer responded, side effects from previous treatment, tumor biomarkers, and other individual factors.
Learn more about recurrent ovarian cancer.
What chemotherapy drugs are used for ovarian cancer?
The chemotherapy drugs used for ovarian cancer depend on the specific type of tumor, stage of disease, previous treatments, and other individual factors.
Several types of chemotherapy drugs may be used.
Platinum-based chemotherapy
Platinum drugs damage the DNA of cancer cells, making it difficult for the cells to divide and grow.
Common platinum drugs used in ovarian cancer treatment include:
Carboplatin is commonly used in ovarian cancer treatment and is often combined with another chemotherapy drug.
Taxanes
Taxanes interfere with the process cancer cells use to divide.
Common taxanes include:
Paclitaxel is commonly combined with carboplatin for many epithelial ovarian cancers.
Other chemotherapy drugs
Other chemotherapy drugs may be used depending on the ovarian cancer type, whether the cancer is newly diagnosed or recurrent, previous treatments, and how the cancer has responded.
These may include:
- Bleomycin
- Etoposide
- Gemcitabine
- Pegylated liposomal doxorubicin
- Topotecan
- Other chemotherapy drugs used alone or in combination
Not every drug is used for every ovarian cancer type.
Your health care team will recommend a chemotherapy plan based on the biology of your cancer, where you are in treatment, previous therapies, possible side effects, and your overall health.
The American Cancer Society provides additional information about chemotherapy used for ovarian cancer.
🎥 Watch: How is chemotherapy used to treat ovarian cancer?
Sarah Taylor, MD, discusses how chemotherapy may be used for ovarian cancer and how it can fit with surgery and other treatments.
Does chemotherapy differ by ovarian cancer type?
Yes. Ovarian cancer includes several different diseases, and chemotherapy does not work the same way for every type.
This is why knowing your exact cancer type and subtype is important when discussing treatment.
Epithelial ovarian cancers
For many newly diagnosed epithelial ovarian cancers, chemotherapy commonly includes a platinum drug, usually carboplatin, combined with a taxane, usually paclitaxel.
Other chemotherapy drugs and combinations may be used depending on the subtype, stage, previous treatment, and whether the cancer has returned.
Ovarian germ cell tumors
Malignant ovarian germ cell tumors can be highly responsive to chemotherapy.
A commonly used combination is BEP, which includes:
- Bleomycin
- Etoposide
- Cisplatin
Some early-stage germ cell tumors may be treated with surgery alone and close follow-up, while others require chemotherapy. Treatment depends on the exact tumor type and stage.
Sex cord-stromal ovarian tumors
Many early-stage sex cord-stromal tumors are treated with surgery and may not require chemotherapy.
When chemotherapy is needed, treatment may include carboplatin with paclitaxel, BEP, or another regimen depending on the specific tumor and treatment setting. Hormone therapy may also play a role for some stromal tumors.
Because germ cell and sex cord-stromal tumors are less common, treatment should be individualized by a health care team experienced with the specific diagnosis.
Learn more about the different types of ovarian cancer.
How is chemotherapy for ovarian cancer given?
Chemotherapy may be given through a vein (IV) or taken by mouth. Both methods allow medicine to enter the bloodstream and travel throughout the body. This is called systemic chemotherapy.
Intravenous chemotherapy
Many chemotherapy drugs are given intravenously, or IV, through a vein.
Treatment may be given through:
- An IV placed in the arm
- A central venous catheter
- An implanted port placed beneath the skin
Not everyone needs a port. Your health care team can explain which type of IV access is most appropriate for the medicines and treatment schedule you will receive.
Intraperitoneal chemotherapy
Intraperitoneal chemotherapy, also called IP chemotherapy, delivers chemotherapy directly into the abdominal cavity through a catheter.
This approach has mainly been studied in selected people with epithelial ovarian cancer whose disease is concentrated within the abdomen after successful surgery.
IP chemotherapy can cause significant side effects and is not appropriate for every person or ovarian cancer type.
What is HIPEC?
Hyperthermic intraperitoneal chemotherapy, or HIPEC, uses heated chemotherapy that is circulated within the abdominal cavity during surgery.
HIPEC has been studied in selected treatment settings, primarily for advanced epithelial ovarian cancer. It is not a standard treatment for every person with ovarian cancer or every ovarian cancer type.
Your gynecologic oncologist can explain whether HIPEC or another form of intraperitoneal chemotherapy may be appropriate for your individual treatment plan.
Learn more about cytoreductive surgery and HIPEC from the Abdominal Cancers Alliance.
What is a chemotherapy cycle?
Chemotherapy is usually given in cycles.
A chemotherapy cycle includes treatment followed by a period of time that allows your body to recover before the next treatment.
The number and length of chemotherapy cycles vary depending on:
- The ovarian cancer type
- The drugs being used
- Whether chemotherapy is being given before or after surgery
- Your response to treatment
- Side effects
- Your overall health
Different chemotherapy drugs follow different schedules. Some are given every few weeks, while others may be given more frequently.
Before a treatment, your care team may:
- Check your blood counts
- Review kidney or liver function
- Ask about side effects
- Review your medications
- Check your weight and vital signs
- Decide whether treatment should continue as planned
Sometimes a chemotherapy dose needs to be delayed, reduced, or changed because of side effects or blood test results.
Your oncology team will give you a schedule specific to the treatment you are receiving.
How do doctors know if chemotherapy is working?
Your health care team will monitor your response throughout treatment.
Depending on your cancer, monitoring may include:
- Changes in symptoms
- Physical examination
- Imaging tests such as CT scans
- CA-125 blood testing when appropriate
- Other tumor markers
- Routine blood tests
- Findings during surgery if chemotherapy was given before surgery
Different ovarian cancer types can produce different tumor markers. For example, some germ cell cancers may be monitored using markers such as AFP, HCG, or LDH when those levels were elevated before treatment.
Not every test or tumor marker is useful for every person.
Your doctor should explain which measurements are being used to monitor your cancer and what changes they hope to see.
Learn more about tests used to diagnose and evaluate ovarian cancer.
What are the side effects of chemotherapy for ovarian cancer?
Chemotherapy can affect healthy cells as well as cancer cells, which can cause side effects.
The side effects you experience depend on:
- Which chemotherapy drugs you receive
- The dose and treatment schedule
- How long you receive treatment
- Your overall health
- How your body responds
Possible side effects may include:
- Fatigue
- Nausea or vomiting
- Changes in appetite or taste
- Hair loss
- Constipation or diarrhea
- Mouth sores
- Low blood cell counts
- Increased risk of infection
- Easy bruising or bleeding
- Numbness, tingling, or pain in the hands or feet
- Difficulty concentrating or memory changes
Not every chemotherapy drug causes the same side effects, and not everyone experiences every side effect.
Many side effects can be prevented, reduced, or managed. Tell your health care team about symptoms early rather than waiting until they become severe.
The American Cancer Society provides additional information about chemotherapy side effects.
Peripheral neuropathy
Some chemotherapy drugs used to treat ovarian cancer can affect the nerves.
Peripheral neuropathy may cause:
- Numbness
- Tingling
- Burning
- Pain
- Increased sensitivity
- Difficulty with balance
- Difficulty with fine motor tasks
Tell your health care team when these symptoms first appear. Depending on their severity, your care team may recommend supportive treatments or changes to your chemotherapy plan.
Brain fog or chemo brain
Some people notice changes in memory, concentration, or mental clarity during or after cancer treatment.
These changes are sometimes called brain fog, chemo brain, or cancer-related cognitive changes.
Chemotherapy may contribute, but fatigue, poor sleep, stress, anxiety, other medications, and the cancer itself may also affect thinking and concentration.
🎥 Watch: Brain Fog, Signs, Symptoms, and Coping Techniques
Chanel Davidoff, DO, a cancer rehabilitation specialist, explains why cognitive changes may happen during cancer treatment and offers strategies for managing them.
Some chemotherapy side effects need prompt medical attention.
Your cancer care team should give you specific instructions about which symptoms to report, who to contact, and what to do outside normal office hours.
Contact your cancer care team promptly if you experience:
- Fever or chills
- Signs of infection
- Trouble breathing
- Severe or persistent vomiting or diarrhea
- Inability to drink enough fluids
- New or worsening numbness, tingling, or weakness
- Unusual bleeding or bruising
- Severe pain
- Confusion, fainting, or severe dizziness
- Symptoms of a possible allergic or infusion reaction
Chemotherapy can lower the number of infection-fighting white blood cells, a condition called neutropenia. Infection during neutropenia can become serious quickly.
A temperature of 100.4°F (38°C) is often used as a fever threshold during cancer treatment, but your oncology team may give you different instructions based on your situation. Follow the temperature threshold they provide.
Do not take medicine to reduce a fever before contacting your cancer care team unless they have told you it is safe to do so.
Nutrition during chemotherapy for ovarian cancer
Chemotherapy can affect appetite, taste, digestion, and energy levels. Eating may feel different from one treatment cycle to another.
There is no single diet that is right for everyone receiving ovarian cancer treatment.
The goal is to find foods and eating patterns that help you maintain nutrition, hydration, strength, and comfort.
Helpful strategies may include:
- Eating smaller meals more often when large meals feel difficult
- Choosing protein-rich and higher-calorie foods when your appetite is low
- Drinking enough fluids
- Keeping simple foods available for days when nausea or fatigue is
- stronger
Adjusting foods based on taste changes, mouth sores, constipation, diarrhea, or other symptoms
- Asking for help from an oncology dietitian if eating becomes difficult
💡 Nutrition during ovarian cancer treatment: What to eat when nothing sounds good
NOCC’s Teal Talk episode offers practical nutrition guidance during ovarian cancer treatment.
It covers nausea, taste changes, fatigue, digestive symptoms, and appetite changes.
Explore Nutrition During Ovarian Cancer Treatment
Food safety during chemotherapy
Food safety is especially important if treatment lowers your white blood cell counts.
Your health care team may recommend precautions such as:
- Washing fruits and vegetables carefully
- Cooking meat, fish, and eggs thoroughly
- Avoiding cross-contamination between raw and cooked foods
- Keeping hot foods hot and cold foods cold
- Following any additional food-safety instructions provided by your oncology team
A low white blood cell count does not automatically mean that every person must avoid all fresh fruits and vegetables. Follow the individualized guidance provided by your health care team.
What should I ask my doctor before starting chemotherapy?
Before treatment begins, consider asking:
- What is the goal of my chemotherapy?
- Which chemotherapy drugs will I receive?
- Why are these drugs recommended for my type of ovarian cancer?
- How will the chemotherapy be given?
- How many cycles are planned?
- How long will each treatment take?
- Will I need a port?
- What side effects are most common with these drugs?
- Which side effects should I report immediately?
- What temperature should I consider a fever?
- How can nausea and other side effects be prevented or managed?
- Could treatment cause peripheral neuropathy?
- Could chemotherapy affect my fertility or menstrual cycle?
- Can I work or exercise during treatment?
- Are there medications, vitamins, or supplements I should avoid?
- Are there foods I should avoid?
- How will you know whether the chemotherapy is working?
- Will I receive other treatments with chemotherapy?
- Will I need maintenance treatment after chemotherapy?
- Should I consider a clinical trial?
- Who should I contact after hours if I have a treatment-related problem?
Writing down your questions and keeping a record of symptoms between treatments can make conversations with your health care team easier.
💡 Prepare for ovarian cancer treatment
Knowing what to expect can help you prepare for treatment.
NOCC’s Questions to Ask Your Doctor guide can help you prepare for conversations with your care team.
The guide covers treatment, testing, side effects, nutrition, emotional health, and practical preparation.
Download the How Can I Prepare for Treatment Questions Guide PDF
Can chemotherapy be used if ovarian cancer comes back?
Yes. Chemotherapy is one of several treatments that may be used if ovarian cancer returns.
The treatment recommended for recurrent ovarian cancer depends on factors such as:
- Your ovarian cancer type and subtype
- Which treatments you received before
- How well the cancer responded to previous treatment
- How long it has been since treatment
- Side effects from previous treatment
- Where the cancer has returned
- Genetic or biomarker testing results
- Your overall health
- Your treatment goals and preferences
For cancers previously treated with platinum-based chemotherapy, the length of time since the cancer last responded to platinum treatment may help your care team decide whether a platinum-containing treatment could be considered again.
This framework is particularly relevant to ovarian cancers previously treated with platinum and should not be assumed to apply in exactly the same way to every ovarian cancer type.
Depending on your diagnosis, options may also include other chemotherapy drugs, targeted therapies, hormone therapy, surgery, or a clinical trial.
Learn more about:
Understanding your ovarian cancer treatment plan
Chemotherapy may be one part of an individualized ovarian cancer treatment plan.
Depending on your diagnosis, your treatment may also include surgery, targeted therapy, hormone therapy, maintenance therapy, a clinical trial, or other approaches.
Ask your health care team to explain:
- The goal of chemotherapy
- Why the recommended chemotherapy is appropriate for your ovarian cancer type
- How chemotherapy fits with surgery or other treatments
- How your cancer type and stage affect treatment
- Whether genetic or biomarker testing affects your options
- How your response to treatment will be measured
- What may happen after chemotherapy is completed
Explore additional NOCC information and resources:
Frequently asked questions about chemotherapy for ovarian cancer
No.
Chemotherapy is used to treat many ovarian cancers, but it is not required for every ovarian tumor type or stage.
Some early-stage cancers may be treated with surgery alone. Other ovarian cancers may be treated with chemotherapy, hormone therapy, targeted therapy, or a combination of treatments.
Your treatment should be based on your specific diagnosis.
There is no single chemotherapy combination used for every ovarian cancer.
For many epithelial ovarian cancers, carboplatin and paclitaxel are commonly used together. Malignant germ cell tumors often use different chemotherapy combinations, such as BEP. Treatment for sex cord-stromal tumors also varies.
Ask your doctor why a particular chemotherapy regimen is recommended for your cancer type.
There is no single number of chemotherapy treatments that applies to everyone with ovarian cancer.
The number of cycles depends on:
- Your ovarian cancer type and stage
- The chemotherapy drugs being used
- Whether chemotherapy is being given before or after surgery
- Your response to treatment
- Side effects
- Previous treatments
Your oncology team will give you a treatment schedule based on your individual plan.
Some chemotherapy drugs can cause hair loss, but not all chemotherapy regimens have the same effect.
Whether you lose some or all of your hair depends on the specific drugs and doses you receive.
Ask your health care team what to expect from your treatment plan.
Not necessarily.
Chemotherapy can be given through an IV in the arm or through a central venous access device such as an implanted port.
A port may make repeated treatments easier for some people, but whether one is recommended depends on your medications, treatment duration, veins, and preferences.
Some people continue working during chemotherapy, while others reduce their hours or take time away.
Your ability to work depends on your treatment schedule, side effects, type of work, and how you feel during each treatment cycle.
Your health care team can help you understand what to expect and whether workplace adjustments may be useful.
Some chemotherapy drugs can affect ovarian function and fertility.
The risk depends on factors such as your age, which drugs you receive, the doses used, and whether your ovaries were affected by surgery.
If future fertility is important to you, discuss fertility preservation before treatment begins whenever medically possible.
Learn more about fertility after ovarian cancer and menopause after ovarian cancer treatment.
No.
Chemotherapy uses drugs that can affect rapidly dividing cells throughout the body.
Targeted therapies for ovarian cancer are designed to interfere with specific proteins, pathways, or other features involved in cancer growth.
Some targeted therapies may be used with chemotherapy or after chemotherapy, depending on the specific cancer.
After chemotherapy, your health care team will review how your cancer responded and discuss your next steps.
Depending on your diagnosis, those next steps may include:
- Follow-up visits and testing
- Maintenance treatment
- Targeted therapy
- Hormone therapy
- Continued monitoring
- A clinical trial
- Supportive or survivorship care
What happens next depends on your cancer type, stage, response to chemotherapy, genetic and biomarker results, and other individual factors.
More information about chemotherapy for ovarian cancer
