Cancer Clinical Trial - Safety & Tolerability of NOX66 in Combination With

Status Completed

Clinical Trial Summary

The study is intended as a Proof of Concept and dose confirmation study. The primary objective of this study is to observe safety and tolerability of idronoxil (NOX66) in combination with radiotherapy (at palliative doses) in patients with metastatic castrate-resistant prostate cancer (CRPC) and to confirm dose in order to progress to Phase 2/3.

Clinical Trial Description

This study will investigate three escalating doses of NOX66 in combination with palliative dose of radiation therapy to establish safety profile and / or obtain efficacy signals and to determine the optimal dose for future radiation therapy combination studies.

The key hypotheses to be tested in this study are:

1. That NOX66 can be safely added to palliative dose radiation therapy.

2. That NOX66 may sensitise tumours to palliative doses of radiation therapy

3. That NOX66 in combination with radiation therapy may trigger or augment an abscopal effect

Participants will have a minimum of 1 symptomatic lesion amenable to radiation therapy.

Radiation therapy will be delivered at a 20Gy dosage over 5 fractions. NOX66 will be taken on 13 consecutive days starting 1 day prior to radiotherapy.

The response of irradiated and non-irradiated target tumour lesions will be measured by CT/MRI scan and RECIST1.1 criteria at three time points post treatment. Pain response will be evaluated using the Brief Pain Inventory-Short Form (BPI-SF) instrument at five time points post treatment.

Patients will be suitable for the study as they become indicated for palliative radiation therapy for management of their cancer.

This study will enrol up to 24 patients in 3 NOX66 dose level cohorts of 4 patients (n=12) and an expansion cohort of 12 patients. Dose escalation decisions will be based on patients who experience adverse events directly related to NOX66 treatment.

Following the review of accumulated safety data, disease status and treatment efficacy signals at WEEK 6 for the first 12 patients, the Study Steering Committee will determine the dose at which to continue treatment for the expansion patient Cohort 4 in the study. A further 12 patients will be recruited at this dose level. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03307629
Study type	Interventional
Source	Noxopharm Limited
Contact
Status	Completed
Phase	Phase 1
Start date	November 1, 2017
Completion date	September 15, 2020

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Safety and Tolerability of NOX66 in Combination With Palliative Radiotherapy in Patients With Late-Stage Prostate Cancer

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms