Tamoxifen and SUBA-Itraconzole Combination Testing in Ovarian Cancer

NCT05156892 | Active Not Recruiting Phase 1 DMC

• 1 other identifier: TICTOC
• Study Type: interventional
• Target: 44
• Locations: 1 country
• Sites: 1

Brief Summary

The study's purpose is to understand the effects of a new treatment (suba-itraconazole and tamoxifen) in epithelial ovarian cancer. Who is it for? Patients may be eligible to join this study with ovarian cancer resistant to platinum-based chemotherapy agents Study Details: Participants will receive different doses of tamoxifen and suba-itraconazole to determine the optimal combination dose. Participants will be seen by the investigators once a week for the first 3 weeks and then once every 4 weeks. Participant will be reviewed by a clinician and undergo regular blood tests, cardiac monitoring and imaging assessments.

Conditions

Ovarian Cancer

Keywords

Ovarian Cancer; Tamoxifen; SUBA-Itraconazole; Platinum resistant

Outcome Measures

Primary Outcomes (1)

• Recommended phase 2 dose of Tamoxifen in combination with Suba-itraconazole

  1 years

Secondary Outcomes (9)

• To determine overall response rate as determined by RECIST V1.1 and GCIG CA125 response criteria

  2 years

• To determine the duration of response

  2 years

• Incidence of Treatment-Emergent Adverse Events via CTCAE v5.0

  2 years

• Serum concentration of tamoxifen and derivatives

  2 years

• Serum concentration of tamoxifen and derivatives

  2 years

Study Arms (1)

Dose-escalation/ expansion

EXPERIMENTAL

SUBA-itraconazole (oral 150mg twice daily) and escalating dose of Tamoxifen (oral once daily) then expansion cohort

Drug: SUBA-itraconazole; Drug: Tamoxifen

Interventions

SUBA-itraconazole DRUG

150 mg BD

Dose-escalation/ expansion

Tamoxifen DRUG

Dose Escalation: Cohort 1: 20 mg OD Cohort 2: 40 mg OD Cohort 3: 60 mg OD Dose-Expansion: Recommended dose from dose-escalation phase of study

Dose-escalation/ expansion

Eligibility Criteria

• Age: 18 Years+
• Gender Eligibility Details: It is a female only study population as it is investigating Ovarian Cancer
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Histological or cytological-based diagnosis of high grade and low grade epithelial ovarian cancer. Patients with clear cell ovarian cancers are not eligible to participate in this study due to higher risk of thromboemboli which could be increased by Tamoxifen.
• Platinum resistant ovarian cancer with no more than 4 lines of previous systemic therapy (re-treatment with a previous regimen is only counted as 1 line of therapy).
• Age \> 18 years.
• Patient must be willing and able to comply with scheduled visits, treatment plan, laboratory tests and other study procedures
• Eastern Cooperative Oncology Group Performance Status of 0 or 1
• Adequate hematologic and organ function within 14 days before the first study treatment on Day 1 of Cycle 1, defined by the following:
• Neutrophils (absolute neutrophil count ANC \>1.5X10\^9/L,)
• Hemoglobin \>9 g/dL
• Platelet count \>100,000/L
• Serum albumin \>3 g/dL
• Total bilirubin 1.5 ≤the upper limit of normal (ULN) and AST and ALT ≤2.5 XULN, with the following exception:
• Patients with known Gilbert syndrome who have serum bilirubin ≤3XULN may be enrolled.
• Patients with documented liver metastasis may have AST and ALT ≤5XULN
• PTT (or aPTT) and INR ≤1.5XULN (except for patients receiving anticoagulation therapy)
• Serum creatinine ≤ 1.5XULN or creatinine clearance \>50 mL/min based on Cockcroft-Gault glomerular filtration rate estimation: (140 - age) X(weight in kg) X0.85 (if female) 72 X(serum creatinine in mg/dL)

You may not qualify if:

• Patients with any other prior malignancy from which the patient has been disease free for less than 3 years, with the exception of adequately treated and cured basal or squamous cell skin cancer, superficial bladder cancer, carcinoma in situ of any site or any other cancer as approved by study principle investigator
• Uncontrolled intercurrent illness including, but not limited to ongoing or active infection, symptomatic or asymptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
• History of or current evidence of HIV infection, Viral hepatitis (e.g., positive for hepatitis B surface antigen \[HBsAg\] or hepatitis C virus \[HCV\] antibody at screening)
• Patients with symptomatic central nervous system (CNS) metastasis and/or carcinomatous meningitis. Patients with treated CNS metastases are eligible for this study if not receiving corticosteroids and/or anticonvulsants for at least 7 days prior to first dose of study treatment, and the disease is asymptomatic and radiographically stable for at least 2 weeks after completion of CNS-directed therapy. Patients with untreated stable or asymptomatic brain metastases may be enrolled on a case-by-case basis in discussion with study principal investigator.
• Patients with existing or past history of deep venous thromboembolism are excluded, unless stable on anticoagulation.
• Patients with Khorana score of greater than or equal to 3 (see https://www.mdcalc.com/khorana-risk-score-venousthromboembolism- cancer-patients)
• Known hypersensitivity or contraindication to any component of the study treatment.
• Inability to comply with study and follow-up procedures.
• Patients who have not recovered (≤ grade 2) from adverse events related to previous treatments, unless approved by study principle investigator
• Patients unable to swallow orally administered medications and patients with gastrointestinal impairment that could affect the ability to take or absorption of oral medications including sub-acute or complete bowel obstruction.
• Participants with uncontrolled intercurrent illness
• Participants not recovered from all toxicities related to prior anticancer therapies to CTCAE grade\<1 apart from alopecia
• Patients with psychiatric illness/social situations that would limit compliance with study requirements

Sponsors & Collaborators

• Anthony Joshua, FRACP: lead
• Royal Prince Alfred Hospital, Sydney, Australia: collaborator
• Concord Hospital: collaborator
• Prince of Wales Hospital, Sydney: collaborator
• St Vincent's Hospital, Sydney: collaborator

Study Sites (1)

Kinghorn Cancer Centre, St. Vincent's Hospital

Sydney, New South Wales, 2010, Australia

Location

MeSH Terms

Conditions

Ovarian Neoplasms

Interventions

Tamoxifen

Condition Hierarchy (Ancestors)

Endocrine Gland Neoplasms; Neoplasms by Site; Neoplasms; Ovarian Diseases; Adnexal Diseases; Genital Diseases, Female; Female Urogenital Diseases; Female Urogenital Diseases and Pregnancy Complications; Urogenital Diseases; Genital Neoplasms, Female; Urogenital Neoplasms; Genital Diseases; Endocrine System Diseases; Gonadal Disorders

Intervention Hierarchy (Ancestors)

Stilbenes; Benzylidene Compounds; Benzene Derivatives; Hydrocarbons, Aromatic; Hydrocarbons, Cyclic; Hydrocarbons; Organic Chemicals

Study Officials

• Anthony Joshua, FRACP, MBBS, PhD

  St Vincent's Hospital, Sydney

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: interventional
• Phase: phase 1
• Allocation: NA
• Masking: NONE
• Purpose: TREATMENT
• Intervention Model: SEQUENTIAL
• Sponsor Type: OTHER
• Responsible Party: SPONSOR INVESTIGATOR
• PI Title: Head of Medical Oncology

Model Details: Dose Escalation (3+3) design with Dose Expansion

Study Record Dates

• First Submitted: October 19, 2021
• First Posted: December 14, 2021
• Study Start: September 4, 2022
• Primary Completion: January 1, 2026
• Study Completion (Estimated): January 1, 2027
• Last Updated: May 15, 2025

Record last verified: 2025-05

Data Sharing

• IPD Sharing: Will not share

Locations

AU (1)