IMPACT: A Randomized WOO Study of Novel Therapeutic Agents in Women Triaged to Primary Surgery for EOC (IMPACT)

  • STATUS
    Recruiting
  • End date
    Jun 4, 2025
  • participants needed
    143
  • sponsor
    Haukeland University Hospital
Updated on 27 February 2022
carcinoma
metastasis
olaparib
peritoneal cancer
cytoreductive surgery
serous cystadenocarcinoma
cancer of the ovary

Summary

The study will be conducted in women with advanced (stage IIIa-IV) ovarian cancer of the histologic subtype high grade serous carcinoma (HGSOC) who are going through a diagnostic laparoscopy. They will recieve treatment with a study agent for 10-14 days before surgery. They will be allocated to different study groups according to the diagnostic evaluation performed as standard of care at the department. The study is randomized and unblinded.

The primary investigational agents are:

  1. Metformin tablets, 850 mg x 2 orally.
  2. Acetylsalicylic acid tablets, 160 mg x1 orally
  3. Olaparib capsules, 300 mg x 2 orally
  4. Letrozol tablets, 2.5 mg x 1 orally

Description

The women who agree to participate in the study prior to the laparoscopic evaluation, will be allocated to different study groups according to the diagnostic evaluation performed as standard of care at the department. During inclusion in the first study cohort, the olaparib cohort (n=32), an additional 16 women are randomized as controls and will not receive neither any study drug nor placebo. The study is unblinded. There will not be randomized controls into the other study cohorts, as the control group collected will be utilized as controls for all study agents.

The women in Arm I will be included in the WOO trial, and will be treated with the study agent for 10-14 days prior to tumor reductive surgery, starting the day of laparoscopic surgery (+1 day). The treatment will be discontinued at the time of tumor reductive surgery.

Currently fourmore agents are evaluated as of particular interest, as well as feasible to introduce, in the WOO study set up: metformin, acetylsalicylic acid, olaparib, and letrozol. The first agent listed in the protocol, metformin, will be given to 32 consequtive women, and drug related analyses will thereafter be performed. The next 32 women included in the study will receive the next agent on the list, acetylsalicylic acid, while analyses for the metformin group is ongoing, and after the acetylsalicylic acid study group has been included the next agent on the list is introduced. Should any of the included women be non-eligable to receive one study drug, they will either receive the next agent on the list of the four study drugs, if eligable, or be included as control.

The women in Arm II who agree to participate in the study will not receive the study medication, but standard neoadjuvant chemotherapy until having decreased tumor load radiologically estimated and scheduled for optimal debulking procedure according to standard treatment of this group of patients. Samples from these women will be used as control in the translational part of the where we aim to identify potential molecular pathway(s) and cell type(s) that may be responsible for suboptimal debulking.

During the cancer-directed surgical procedure in participants in both Arms additional tissue samples from matching sites, preferably from tissues removed as part of the operation, as well as blood and urine samples, are obtained for comparative analysis. By use of the collected samples we can evaluate the clinical and molecular impact of the study agents among those triaged to primary cytoreductive surgery. Promising therapeutic targets identified might later be explored separately in one of the consequtive treatment study groups.

After the debulking surgery all women will follow the recommended standard of care, including chemotherapy and consolidating bevacisumab where indicated.

Details
Condition Ovarian Cancer
Treatment Metformin, Letrozole, Acetylsalicylic acid, olaparib
Clinical Study IdentifierNCT03378297
SponsorHaukeland University Hospital
Last Modified on27 February 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Patients must have a clinical diagnosis of advanced ovarian, tubal or primary peritoneal cancer. Advanced disease is defined as at least stage 3 ovarian cancer. Definition of stages will be according to the Norwegian guidelines (Norsk Gynekologisk Forening, Veileder i gynekologisk onkologi, Kapittel: Eggstokk-, tube-, bukhinnekreft. Revisjon 01.12.15). If the clinical staff in charge of the patients plan to perform cytoreductive surgery, the patient can participate in the study, irrespective of ECOG performance status. Patients must not have metastases to the central nervous system and/or carcinomatous meningitis
Age 18 years or above
Primary treatment setting. No prior treatment for gynecological cancer. Women who have been treated surgically for cervical cancer or precancerous lesions on the cervix can be included if she has finished treatment a year or more before current diagnosis of ovarian cancer
Must have laboratory values as the following
White Blood Cells 1.5 x 109/L
Platelets 100 x 109/L
Hemoglobin 9g/dL ( 5.6 mmol/L)
Creatinine 140 mol/L; if creatinine is borderline, the creatinine clearance 40 mL/min
Bilirubin < 20 % above the upper limit of normal
ASAT and ALAT 2.5 the upper limit of normal
Albumin 2.5 g/L
HbA1c < 8.0 %
INR < 2.0
All laboratory tests for screening are taken maximum 14 days before start of treatment with study drug
Ability to understand a written informed consent document, and the willingness to sign it
Presence of adequate venous accesses for required study blood samples

Exclusion Criteria

Inability to understand the information given and unable to consent and/or give the information requested, due to language, mental capacity, or disease
Inability to receive substances per os
Pregnancy. Pregnant women are excluded from this study, as terapeutic treatment for ovarian cancer includes teratogenic chemotherapy and surgical removal of the uterus and the ovaries
History of allergic reactions attributed to compounds of similar chemical or biologic composition to investigational drug or its composites
History of dysregulated coagulation or known bleeding disorder
Patients known to be Hepatitis B surface antigen positive, who have human immune deficiency virus (HIV) infection, and patients known or suspected to have active Hepatitis C infection
Patients diagnosed or treated for other malignancy within 1 year of administration of the first dose of the study agent, or previously diagnosed with other malignancy and have residual disease. Patients with non-melanoma skin cancer or any type of carcinoma in situ will not be excluded if they have had a complete tumor resection
Currently participate or have participated within the last four weeks of the first dose of the study agent in other studies including medication of participants
Diagnosis of immune deficiency disorder or having received immunosuppressant treatment within the last 7 days before planned intake of the first dose of the study agent. Corticosteroids in physiologic doses can be acceptable
Histologic diagnosis of non-High grade serous ovarian cancer
Presence of active tumors in the central nervous system and/or carcinomatous meningitis
Presence of active infection requiring systemic treatment
Current diagnosis of bowel obstruction (i.e. ileus or subileus)
Individuals with indication of a condition, treatment or aberrant laboratory results that either can effect the results of this study or the sustainance of participation, such as renal failure stage 4, heart failure New York Heart Association (NYHA) grade III, a medical history of severe psychiatric disease, or a current diagnosis of alkoholism or drug addiction
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