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Phase 1 N=10 Treatment

Targeted Chemotherapy Using Focused Ultrasound for Liver Tumours

Liver Tumour

Enrolled (actual)
10
Serious AEs
60.0%
Results posted
Jun 2019
Primary outcome: Primary: Concentration of Total Intratumoral Doxorubicin in Liver Tumour (Biopsies) Following Targeted Release of Doxorubicin From ThermoDox® ('Drug') Using Mild Hyperthermia Generated Non-invasively by Focused Ultrasound (FUS) — 2.34; 2.34; 7.74; 9.8 ug/g of total doxorubicin(tumour biopsy) — p=0.024

Study Design & Population

Study type
Interventional
Phase
Phase 1
Interventions
ThermoDox® (LTLD) (Drug); Focused Ultrasound of Target Liver Tumour (Device); Pre-LTLD Biopsy of Target Liver Tumour (Diagnostic_test); Post-LTLD Biopsy of Target Liver Tumour (Diagnostic_test); Post-LTLD+FUS (Post-FUS) Biopsy of Target Liver Tumour (Diagnostic_test); Thermometry of Target Tumour (Device)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
University of Oxford
Primary completion
Mar 2017

Outcome Measures

OutcomeResultp-value
PRIMARY
Concentration of Total Intratumoral Doxorubicin in Liver Tumour (Biopsies) Following Targeted Release of Doxorubicin From ThermoDox® ('Drug') Using Mild Hyperthermia Generated Non-invasively by Focused Ultrasound (FUS)
2.34; 2.34; 7.74; 9.8 0.024 sig
PRIMARY
Patients Demonstrating >Two-fold Increase in the Amount of Intratumoural Doxorubicin Before and After Focused Ultrasound
4; 3
SECONDARY
(Part I Only) Achievement of Satisfactory Hyperthermia Within the Target Liver Tumour for a Range of Participant Body Mass Indices (BMIs) and Tumour Locations Within the Liver (Optimal FUS Exposure Parameters)
5
SECONDARY
Persistence of Cell Viability Stain Post-LTLD+FUS
5; 3
SECONDARY
Patients With Significant (Grade 3-5) Adverse Event(s) Deemed Related to ThermoDox (LTLD)
3; 4
SECONDARY
Patients With Significant (Grade 3-5) Adverse Event(s) Deemed Related to FUS Procedure
0; 0

Summary

This proof of concept study proposes targeted delivery of a broad-spectrum cytotoxic agent (doxorubicin), via a specially formulated LTSL (ThermoDox®) activated by mild hyperthermia, by using focused ultrasound (FUS), to achieve enhanced intra-tumoural doxorubicin concentrations for the same systemic dose. Adult patients with incurable confirmed hepatic primary or secondary tumours received a single cycle of LTLD, followed by ultrasound-mediated hyperthermia to a single target liver tumour. The primary endpoint relates to evidencing enhanced delivery of doxorubicin from LTLD at the target tumour site, by comparing intratumoural concentrations of the drug before and after focused ultrasound (FUS) exposure.

Eligibility Criteria

Inclusion Criteria

  • Pathologically confirmed advanced solid tumour with liver metastasis suitable for intervention (as assessed by ultrasound or other radiological methods). In addition confirmed primary liver tumours (hepatocellular carcinoma or cholangiocarcinoma) can be included.
  • Will have progressed or remained stable on conventional chemotherapy.
  • Male or Female, Age ≥ 18 years.
  • Have life expectancy of ≥ 3 months.
  • Left Ventricular Ejection Fraction (LVEF) ≥ 50% on echocardiogram.
  • Have not received radiotherapy to the target area within the preceding 12 months.
  • A World Health Organisation (WHO) performance status of ≤ 1 - Able and willing to give written informed consent, indicating that they are aware of the investigational nature of this study and potential risks, and able to comply with the protocol for the duration of the study, including scheduled follow-up visits and examinations.

Exclusion Criteria

  • Have surgery or other procedure requiring general anaesthesia planned to be undertaken during the period of the study.
  • Have serious illnesses including, but not limited to, congestive heart failure (NYHA class III or IV functional classification); life threatening cardiac arrhythmia; or myocardial infarction or cerebral vascular accident within the last 6 months.
  • Have on going significant infection (chest, urine, blood, intra-abdominal).
  • Have uncontrolled diabetes.
  • Have Have received a life-time dose of doxorubicin > 450 mg/m2 or a life-time dose of epirubicin > 900 mg/m2 or any dose of both.
  • Pregnant or breast-feeding. In women of childbearing potential, a negative pregnancy test (serum) is required within 30 days prior to study intervention.
  • Female participants of child bearing potential and male participants whose partner is of child bearing potential who are not willing to practice an acceptable form of contraception (i.e. oral contraceptive, diaphragm, cervical cap, condom, surgical sterility) during the study and for 6 months thereafter. Women whose partner has or men who have undergone a vasectomy must use a second form of birth control.
  • Have any known allergic reactions to any of the drugs or liposomal components or intravenous imaging agents to be used in this study.
  • Have portal or hepatic vein tumour invasion/thrombosis.
  • Inadequate haematological and biochemical function (as listed in protocol)
  • Have contraindications to receiving doxorubicin including prior sensitivity (rash, dyspnoea, wheezing, urticarial or other symptoms) attributed to anthracyclines or other liposomal drugs.
  • Use of chemotherapy or of an investigational drug within 30 days or 5 half-lives, whichever is longer, preceding the intervention.
  • Have medically significant active infection.
  • Have Child-Pugh Class C liver disease, or Class A-B with encephalopathy and/or refractory ascites.
  • Documented HIV positive.
  • Documented diagnosis of haemochromatosis.
  • Documented history of contrast-induced nephropathy.
  • Have any of the following contraindications for liver biopsy:
  • Suspected liver haemangioma or other vascular tumour
  • Tense ascites
  • Known cystic liver disease*
  • Extra-hepatic biliary obstruction*

(* Relative contraindications only and may be non-exclusive at discretion of the study team)

  • Other medical or psychiatric conditions or laboratory abnormalities that the investigator considers would make the patient a poor trial candidate.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT02181075). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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