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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03458221
Other study ID # STAPOVER
Secondary ID 2020-005091-36
Status Recruiting
Phase Phase 2/Phase 3
First received
Last updated
Start date January 31, 2023
Est. completion date October 1, 2026

Study information

Verified date April 2023
Source Gynaecologisch Oncologisch Centrum Zuid
Contact Jurgen M Piek, MD, PhD
Phone +31(0)40 239 91 11
Email jurgen.piek@catharinaziekenhuis.nl
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this prospective, parallel-group, cohort study is to implement phenotype-guided targeted therapy based on functional signal transduction pathway (STP) activity in recurrent ovarian cancer patients using a novel mRNA-based assay. Existing targeted drugs with tolerable toxicity profiles are used to investigate the therapeutic value beyond their approved indication, which are deemed beneficial in the select group of patients with a relevant predominantly active functional STP, in order to improve survival and maintain quality of life.


Description:

Rationale: Ovarian cancer is one of the most lethal cancers in the world. Standard therapy consists of debulking surgery and chemotherapy. However, despite this aggressive treatment, recurrent disease almost invariably occurs resulting in a five-year survival rate of approximately 30%. Tumour growth is driven by several signal transduction pathways (STPs), and twelve major STPs have been identified as important for carcinogenesis. Currently, several targeted therapy drugs are available and new targeted drugs are being developed. With a newly developed technique, Signal Transduction Activation (STA) analysis, it is possible to assess which pathway is predominant in a specific (ovarian) cancer sample. Therefore, we hypothesize that specifically targeting the predominant STP might impair tumour growth and improve survival. Objective: This study aims to investigate the progression-free survival (PFS) according to RECIST 1.1 criteria on matched targeted therapy by STA-analysis (PFS2) in comparison to the PFS recorded on the therapy administered immediately prior to enrolment (PFS1) in women with recurrent ovarian cancer. Study design: A multi-centre prospective, parallel-group, cohort study. Study population: Recurrent ovarian cancer patients with platinum-resistant disease, patients who refrain from standard therapy and patients who are not yet eligible for standard palliative chemotherapy, including all histological subtypes. Intervention: STA-analysis will be performed on a biopsy taken from the recurrent tumour. Patients will be included if a predominant pathway is identified for which a matched targeted drug is available and deemed adequate by the multidisciplinary tumour board. We will start with targeted therapy in patients with oestrogen receptor, androgen receptor, phosphoinositide 3-kinase and Hedgehog pathway active tumours, since targeted therapy interceding these pathways are easily available with tolerable side effects. Main study parameters/endpoints: The primary outcome is therapy response defined as PFS2/PFS1 ratio according to RECIST 1.1 criteria. Secondary outcomes include the proportion of patients with an actionable active pathway and the proportion of patients receiving matched targeted therapy, best overall response (according to RECIST 1.1 criteria), one-year survival, overall survival, predictive value of STA-analysis results, side effects, quality of life, cost-effectiveness and change in STP activity score comparing the score before treatment and after disease progression.


Recruitment information / eligibility

Status Recruiting
Enrollment 148
Est. completion date October 1, 2026
Est. primary completion date October 1, 2026
Accepts healthy volunteers No
Gender Female
Age group 18 Years and older
Eligibility Inclusion Criteria: - Female, age > 18 years - Patients with recurrent ovarian cancer who meet one of the following criteria: - Platinum-resistant disease, defined as disease recurrence or progression within six months of last platinum-based chemotherapy or; - Patient refrains from standard therapy or; - Asymptomatic patient who is not yet eligible for standard palliative chemotherapy but has an increase of CA125 tumour marker at two consecutive time points 28 days apart with a value of two times nadir above 35 U/ml. - Progressive disease after at least one prior line of systemic treatment for recurrent disease. - Radiologically evaluable disease according to RECIST 1.1 criteria (36). - Ability and willingness to obtain a tumour biopsy after the last course of standard treatment and before start of the study. - Ability and willingness to provide written and oral consent. - Able to speak and understand the Dutch language. - WHO performance status 0-II. - Adequate renal and liver function to start matched targeted therapy (according to the local clinician). - Adequate use of contraceptives in case of patients with childbearing potential. Exclusion Criteria: - Age < 18 years. - Patient is receiving any other anti-cancer therapy (e.g. cytotoxic or targeted drug or radiation) or is chemotherapy naïve. The required wash out period prior to start of matched targeted therapy is at least three weeks. - Patient is diagnosed with or treated for a second primary tumour (except non-melanoma skin tumour) one year prior to study inclusion. - Inability to obtain (sufficient) tumour material. - Previous use of the selected targeted drug as anti-cancer agent. - Physical condition WHO III-IV. - Pregnant or lactating women. - Simultaneous participation in another treatment-related clinical trial. - Patients with any other clinically significant medical condition which, in the opinion of the local clinician, makes it undesirable for the patient to participate in this study or which could jeopardize compliance with study requirements including, but not limited to: ongoing or active infection, severe psychiatric illness, or complicated social situations.

Study Design


Intervention

Drug:
Letrozole Oral Product
Letrozole 2.5mg tablet - 2.5mg once dailty until progression of disease.
Bicalutamide Oral Product
Bicalutatmide 150mg tablet - 150mg once daily until progression of disease.
Everolimus Oral Product
Everolimus 10mg tablet - 10mg once daily until progression of disease.
Itraconazole Oral Product
Itraconazole 100mg capsule - 300mg twice daily until progression of disease.

Locations

Country Name City State
Netherlands Amphia Hospital Breda
Netherlands Catharina Ziekenhuis Eindhoven Brabant
Netherlands Maastricht UMC+ Maastricht
Netherlands Radboudumc Nijmegen Gelderland
Netherlands Erasmus MC Rotterdam
Netherlands Elisabeth-Tweesteden Hospital Tilburg

Sponsors (6)

Lead Sponsor Collaborator
Gynaecologisch Oncologisch Centrum Zuid Erasmus Medical Center, Eurofins, InnoSIGN, Maastricht University Medical Center, Radboud University Medical Center

Country where clinical trial is conducted

Netherlands, 

Outcome

Type Measure Description Time frame Safety issue
Primary Progression free survival on matched targeted therapy determined by STP-activity (PFS2) in comparison to the PFS recorded on the therapy administered immediately prior to enrolment (PFS1). PFS on matched targeted therapy (PFS2) is defined as the time from start of matched targeted therapy to disease progression, defined by RECIST 1.1 criteria, or death from any cause. PFS on prior therapy (PFS1) is defined as the time from start of the prior treatment to disease progression defined by RECIST 1.1 criteria From baseline until the date of documented disease progression or 12 months after the start of targeted therapy.
Secondary Proportion of patients with an actionable active pathway for which targeted therapy is recommended in relation to the number of patients who underwent a biopsy. From date of biopsy until the date of the result from Multi-disciplinary Tumor Board Meeting, up 14 days after biopsy date.
Secondary Proportion of patients who receive matched targeted therapy in relation to the number of patients included in each study arm. Proportion of patients included in arm A, B, C, D. From start date matched targeted therapy until the end of the study enrollment, up to 36 months.
Secondary Best overall response defined by RECIST 1.1 criteria based on radiological imaging. From baseline, radiological evaluation every 12 weeks after the start of targeted therapy until the date of documented disease progression or death, whichever comes first, assessed up to 12 months.
Secondary One-year survival One-year survival is defined as the time from start matched targeted therapy till death or the end of the one-year follow-up period. From start date of targeted therapy until date of death or one year follow-up, whichever comes first.
Secondary Overall survival Defined as the time from start matched targeted therapy till death. From start date of targeted therapy until the date of death, assessed up to 36 months.
Secondary Predictive value of STA-analysis results on matched targeted therapy response. From start date targeted therapy until response evaluation at 12 weeks after start of targeted therapy.
Secondary Side effects Assessed according to the PRO-CTCAE and NCI CTCAE 5.0 From start date of targeted therapy after two weeks, every 12 weeks from targeted therapy start date, until 12 weeks after end of treatment.
Secondary Health Related Quality of Life HRQoL is assessed using standardized questionnaires from the EORTC QLQ-C30 and QLQ-OV28. From baseline, every 12 weeks after start date of treatment until 12 weeks after end of treatment.
Secondary Cost-effectiveness Standardized EuroQol 5D (EQ-5D-5L) questionnaire is used to calculated the cost-effectiveness. From baseline, every 12 weeks after start date of targeted therapy until 12 weeks after end of treatment.
Secondary Change in pathway activity score after disease progression compared to pathway activity score before start of matched therapy. If pathway activity scores are available from a second (voluntary) biopsy for after treatment has ended and before standard (palliative) treatment has started, change in pathway scores are assessed. From date of biopsy until 4 weeks after date of documented progression of disease.
See also
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