Secondary Debulking Surgery +/- Hyperthermic Intraperitoneal Chemotherapy in Stage III Ovarian Cancer

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

242 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-02-28

Study Completion Date

2017-08-16

Brief Summary

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This study evaluates the efficacy and safety of the addition of hyperthermic intraperitoneal chemotherapy to secondary debulking surgery in stage III ovarian cancer.

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Detailed Description

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Rationale: Ovarian cancer is the second most common gynaecologic cancer in the Netherlands preceded by endometrial cancer. It is however the leading cause of death among women with gynaecologic malignancies with an annual mortality rate of 9 per 100.000. The majority of the patients are diagnosed with a high stage ovarian carcinoma due to the fact that symptoms occur at a late stage of the disease and screening methods for ovarian cancer are suboptimal. Optimal treatment consists of a combination of chemotherapy and debulking surgery. Despite the appearance of localized disease and the absence of obvious residual tumour following primary treatment, the majority of patients (80%) will have persistent disease or will develop recurrent disease. Additional strategies are warranted to reduce the recurrence rate and increase disease free survival and overall survival in this group of patients.

The concept of administering intraperitoneal chemotherapy is based on the ideas on peritoneal dialysis. Intraperitoneal drug therapy is designed to maximize drug delivery to the tumour with generally acceptable systemic side effects associated with IV administration of the drug. This strategy is especially attractive for treatment of ovarian carcinoma, which remains largely restricted to the abdominal cavity for most of its natural history. So far 3 randomised controlled trials have shown an overall and progression-free survival benefit when cisplatin is administered postoperatively by the IP route in patients with stage III, optimally resected disease. These studies however found that the majority of patients did not complete all planned 6 cycles due to catheter related problems. An alternative way of administering chemotherapy intra abdominally whilst bypassing the use of a catheter intra- abdominally is provided by perfusion of the abdomen during surgery under hyperthermic conditions. This study compares the interval debulking plus or minus the perfusion of the abdomen with chemotherapy under hyperthermic conditions during surgery (OVHIPEC).

Objective: The primary objectives of this study are comparing the duration of recurrence free survival following completion of treatment between the 2 study arms.

Secondary objectives of this study involve toxicity and morbidity, quality of life, tumour response following treatment and overall survival of the study arm compared to the standard arm.

Study design: Phase III randomised trial Study population: Patients diagnosed with stage III ovarian carcinoma, peritoneal cell carcinoma or tuba carcinoma who are eligible for interval debulking surgery either following primary chemotherapy or following incomplete primary debulking and chemotherapy. Age between 18 - 76 yr old.

Intervention: One group undergoes interval debulking with hyperthermic perfusion of the abdominal cavity with cisplatin 100 mg/m2 at the end of surgery. The other group is treated by interval debulking only.

Main study parameters/endpoints: Recurrence free survival Nature and extent of the burden and risks associated with participation, benefit and group relatedness: Participants of the study will be asked to fill in quality of life questionnaires (12 times in 2 year). Blood samples will be taken following written informed consent before treatment, during surgery and during follow-up visits for marker studies and proteomics studies (10 times during 2 year). For patients participating in the pharmacokinetic studies (20) 2 tissue samples will be taken from the abdominal cavity during surgery and blood samples will be taken 6 times during and after surgery.

During follow-up 3 monthly visits will be scheduled in the first 2 years and 6-monthly visits during year 3-5. During these follow-up visits routine physical exam including pelvic exam and vaginal ultrasound (optional) is performed. CT-scans will be performed in the first 2 years before randomisation and 4 times at follow-up.

Risks of participating in this trial are related to the abdominal perfusion of cisplatin. This can cause systemic effects such as: nephrotoxicity, bone marrow toxicity, neurotoxicity, and longer hospital stay. It can also increase the chance on bowel perforation of a bowel anastomoses resulting in a longer hospital stay and possibly surgical intervention. To prevent systemic side effects of intra-abdominally administered cisplatin, sodium thiosulphate is administered intravenously during surgery.

Conditions

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Ovarian Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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1

Secondary debulking surgery with hyperthermic intraperitoneal chemotherapy

Group Type EXPERIMENTAL

secondary debulking with intraperitoneal chemotherapy

Intervention Type PROCEDURE

secondary debulking with intraperitoneal chemotherapy

2

Secondary debulking surgery

Group Type ACTIVE_COMPARATOR

Secondary debulking

Intervention Type PROCEDURE

Secondary debulking

Interventions

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Secondary debulking

Intervention Type PROCEDURE

secondary debulking with intraperitoneal chemotherapy

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Age between 18 and 76 years
* Histological or cytological proven primary epithelial ovarian carcinoma or peritoneal cancer (PPSC) or fallopian tube carcinoma FIGO stage III, including serous papillary adenocarcinoma, mucinous adenocarcinoma and endometrioid adenocarcinoma.
* In case of pleural effusion cytology should be negative for tumour cells
* In case diagnosis is made based on cytology only (i.e. patients treated by primary chemotherapy) additional criteria apply:

* Normal mammogram (\< 6 weeks before first registration) and
* Presence of pelvic mass and
* CA 125 \> 200 kU/l and
* Serum CA125/CEA ratio \> 25. If the serum CA125/CEA ratio is \< 25, a barium enema or colonoscopy and gastroscopy or radiological examination of the stomach should be negative for the presence of a primary tumour of the digeste tract (\< 6 weeks before registration) and
* Omental cake or other metastases larger than 2 cm in the upper abdomen and/or regional lymph node metastasis irrespective of size (CT/MRI or ultrasound or laparoscopy)
* Patients eligible for interval debulking for the following 2 reasons:

* Primary debulking surgery not feasible due to tumour extension or general condition (patients treated by primary chemotherapy) or
* Incomplete primary debulking with residual disease \> 1 cm
* In case of primary chemotherapy:

* Chemotherapy consists of 3 courses of carboplatin or cisplatin combined with taxol
* Following 2 cycles of chemotherapy at least a 30% decrease in the sum of largest diameter (LD) of target lesions taking as reference the baseline sum LD (RECIST criteria, see appendix 1)
* In case of an incomplete primary debulking as indicated under 5 followed by chemotherapy:

* Chemotherapy consists of 3 courses of carboplatin or cisplatin combined with taxol
* General criteria:

* Fit for major surgery, ASA 1 or ASA 2
* WHO performance status 0-2
* Written informed consent
* Laboratory values: serum creatinine \< 140 µmol/L; creatinine clearance \> 60 ml/min (Cockroft formula); white blood cell count \> 3.5 x 109/l; platelets \> 100 x 109 /l
* For quality of life studies:

* Baseline questionnaires should be filled in before randomization

Exclusion Criteria

* History of breast cancer or previous malignancies within 5 years prior to inclusion, with the exception of radically excised basal cell or squamous cell skin cancer or carcinoma in situ of the cervix

Minimum Eligible Age

18 Years

Maximum Eligible Age

76 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No