Medical Oncologist
CION Cancer Clinics
HIPEC for ovarian cancer: where it helps and where it is unproven | CION Cancer Clinics
HIPEC helps in ovarian cancer in one setting: when the cancer has spread across the lining of the abdomen, chemotherapy is given first, and the heated wash is added at the operation that follows. There it has been shown to keep the cancer away for longer. At the first operation, at relapse or in early disease, the benefit is unproven. This page explains the difference and what to ask your team. CION Cancer Clinics’ surgical oncologists in Hyderabad can talk this through with you.
MI
Medically reviewed by Dr. Mohammed ImaduddinConsultant Surgical Oncologist · MBBS, MS (General Surgery), MCh (Surgical Oncology) · last reviewed September 2026, next review due September 2027
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On this page
- Does HIPEC help in ovarian cancer?
- In which situations is HIPEC discussed for ovarian cancer?
- What actually happens when HIPEC is added to ovarian surgery?
- Interval surgery alone, and with HIPEC, compared
- What families assume about HIPEC in ovarian cancer, and what is true
- Who is HIPEC not for, and what can this page not tell you?
- Common questions about HIPEC for ovarian cancer
The short answer
Does HIPEC help in ovarian cancer?
In one setting, yes. When ovarian cancer that has spread across the lining of the abdomen is treated with chemotherapy first and then surgery, adding a heated chemotherapy wash at that operation has been shown in a large trial to keep the cancer away for longer. In every other setting the benefit is unproven, and many centres do not offer it.
Why ovarian cancer is different from the other HIPEC cancers
Most cancers reach the lining of the abdomen late. Ovarian cancer reaches it early, because the ovaries sit inside that lining. So surgery to remove every visible deposit is already the standard operation for advanced ovarian cancer, with or without HIPEC. The question on this page is narrower than it sounds. It is not "should the deposits be removed". It is "should a heated wash be added at the end".
What "benefit" actually meant in the trial
The people who had the wash went longer before the cancer came back than those who had the same surgery without it. It did not stop the cancer returning for most people. It also added time in hospital and a somewhat higher chance of a complication. That trade is what your team weighs.
This page does not give survival figures. A number from a trial is not a number about you.Where it is used
In which situations is HIPEC discussed for ovarian cancer?
Ovarian cancer is operated on at different points in treatment. HIPEC has evidence behind it at only one of them.
After chemotherapy, at interval surgery
Some people have three or so cycles of chemotherapy first to shrink the disease, then an operation, then more chemotherapy. This is called interval surgery. It is the setting where the trial found a benefit, and the only one where HIPEC is offered outside a study at most centres.
Usually needs
- Disease that responded to the first chemotherapy
- Deposits the surgeon can fully remove
- Fitness for a long operation
At the first operation, before any chemotherapy
When the surgeon operates first and chemotherapy follows, the case for adding HIPEC is unproven. Trials are running. Most teams do not offer it here, and a centre that does should say it is part of a study.
When the cancer has come back
Surgery for ovarian cancer that returns after a long gap is sometimes offered. Adding HIPEC at that operation has been tested in smaller studies with mixed results, so it is not standard and should be discussed as an option under study rather than a settled choice.
To prevent recurrence in early disease
Recurrence means the cancer coming back after treatment. For cancer that has not spread beyond the ovary, there is no role for HIPEC. Standard surgery and, where needed, chemotherapy through a drip are the treatments.
If a centre suggests it here, ask what evidence they are relying on.Not sure whether this applies to you?
Ask an oncologistIn the theatre
What actually happens when HIPEC is added to ovarian surgery?
The clearance comes first
The surgeon removes the womb, ovaries and tubes if they are still there, the fatty apron over the bowel, and every deposit that can be seen on the lining. Parts of bowel or the surface of the spleen or liver are sometimes taken as well. This is the long part.
The abdomen is checked for anything left
The wash only works on deposits too small to see. If large disease remains that cannot be removed, most surgeons will not go ahead with the wash, because it would add risk without adding benefit.
The heated wash
Tubes are placed, the abdomen is closed or partly closed, and a warmed chemotherapy solution is circulated through it for around an hour and a half while your temperature is watched closely. You are under anaesthetic throughout and feel none of it.
Drained, closed, and to intensive care
The fluid is drained, the abdomen is rinsed and closed, and you go to intensive care for monitoring. The first night is about fluids, kidneys and pain control, not about the cancer.
Side by side
Interval surgery alone, and with HIPEC, compared
Surgery alone
Surgery plus HIPEC
Removes every visible deposit
Removes every visible deposit, then washes for the ones too small to see
Shorter time under anaesthetic
Longer operation and usually a longer hospital stay
Usual pattern of surgical complications
Somewhat higher chance of complications, mostly bowel, kidney and blood-count related
Standard at every cancer centre
Offered at some centres, usually only at interval surgery
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Did you know
The heated wash in ovarian cancer usually uses the same family of drug you may already have had through a drip. Heat lets it reach deeper into small deposits on the lining than the same drug can from the bloodstream, which is the whole reason for doing it in the theatre rather than on the ward.
Commonly believed
What families assume about HIPEC in ovarian cancer, and what is true
"HIPEC means she will not need chemotherapy afterwards."
It does not replace the chemotherapy that follows surgery. In the trial, everyone had the remaining cycles through a drip afterwards, with or without the wash. Treat HIPEC as something added to the standard plan, not something that removes a part of it.
"If the hospital does HIPEC, it must be the stronger treatment."
A more complex operation is not automatically a more effective one. Outside interval surgery, the evidence for HIPEC in ovarian cancer is unproven, and a centre offering it there should be doing so inside a study and telling you so.
"She had surgery first, so she has missed her chance."
Surgery first followed by chemotherapy is a standard and well-tested path. The trial benefit was seen in people who had chemotherapy first, so nobody who had surgery first has lost anything the evidence supports.
"It will burn the inside of the abdomen."
The wash is warmed to roughly the level of a high fever and measured continuously. It is not hot enough to damage healthy tissue. The risks that matter are to the bowel, the kidneys and the blood counts, not burns.
Being straight with you
Who is HIPEC not for, and what can this page not tell you?
HIPEC does not suit anyone whose ovarian cancer has spread beyond the abdomen, to the lungs, the chest lining or the liver itself, because the wash cannot reach there. It does not suit anyone whose disease did not shrink with the first chemotherapy, or whose deposits cannot be fully removed, or whose heart, lungs or kidneys would not come through a long operation. Age on its own is not the barrier. Fitness is.
What this page cannot tell you
It cannot tell you whether the person you are reading for should have HIPEC. That needs her scans after chemotherapy, her fitness tests and a tumour board. It cannot tell you how long she will live with or without it. And it cannot tell you what your nearest centre offers, or what Aarogyasri, CGHS, ECHS, EHS or a cashless insurer will cover for the wash. Ask the centre directly, and ask for a written estimate.
Bring the biopsy report, the CT or PET-CT before and after chemotherapy, and the chemotherapy schedule to the surgical appointment.Questions we are asked
Common questions about HIPEC for ovarian cancer
Is HIPEC standard for ovarian cancer in India?
Not at every centre, and not at every stage. Some large cancer centres offer it at interval surgery, after chemotherapy, because that is where the trial evidence sits. Many do not offer it at all. Ask your centre whether they do it, in which setting, and how many they have done.
What stage of ovarian cancer is HIPEC for?
Cancer that has spread across the lining of the abdomen but not beyond it. On a report that is usually written as stage three. Cancer confined to the ovary does not need it, and cancer that has spread to the chest or inside the liver is out of the reach of the wash.
My mother is in her seventies. Is she too old?
Age alone does not rule it out. What the team looks at is how her heart, lungs and kidneys are working, how well she eats and moves, and how she coped with the first chemotherapy. Some people in their seventies come through it well and some people in their fifties are not fit enough.
Does HIPEC replace the chemotherapy after surgery?
No. The remaining cycles through a drip are still given afterwards, once you have recovered from the operation. The wash is a single dose to the lining at the time of surgery. It adds to the plan rather than shortening it.
Will the recovery be harder than surgery alone?
Usually somewhat. Expect a longer operation, a night or more in intensive care, and a longer stay on the ward. The bowel is slower to wake up and the blood counts may dip in the weeks after. Most people are back to normal eating before they go home, but it takes longer than after surgery alone.
What if the surgeon finds more disease than expected?
The surgeon decides on the table. If the deposits cannot be fully removed, the wash is usually not done, because it only helps against disease too small to see. You should be told beforehand that this is possible, and what the plan would be instead.
Can HIPEC be done if she has a gene change like BRCA?
Yes, the gene result does not rule the wash in or out. It matters more for the tablet treatment that may follow chemotherapy. Bring the genetic report to the surgical appointment anyway, because the team plans the whole path together, not one step at a time.
How do I know whether the centre is experienced enough?
Ask three things: how many HIPEC operations they do each year, whether they have an intensive care unit on site, and what their own complication figures are. A centre that answers all three plainly is one you can have a proper conversation with.
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Sources
- NICE — Cytoreduction surgery with hyperthermic intraoperative peritoneal chemotherapy for peritoneal carcinomatosis (IPG688)
- NHS — Ovarian cancer: treatment
- Cancer Research UK — Ovarian cancer: treatment
- National Cancer Institute — Ovarian epithelial, fallopian tube, and primary peritoneal cancer treatment (PDQ)
- American Cancer Society — Chemotherapy for ovarian cancer
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
Keep reading
Related pages
Which Cancers Are Treated With HIPECHow ovarian cancer sits among the other HIPEC cancersCytoreductive Surgery Plus HIPEC: The Two HalvesThe clearance and the wash, explained separatelyWho Should Not Have HIPECThe fitness and spread rules in more detailIs HIPEC Worth It? What the Evidence ShowsThe trials, cancer by cancerHIPEC Cost in HyderabadIndicative ranges and what schemes cover
Talk to us
Deciding on surgery for ovarian cancer?
Send us the scans before and after chemotherapy and the biopsy report. A surgical oncologist will explain whether HIPEC is a question for this operation and what the team would weigh. One helpline serves every CION centre.