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NCT Number: NCT07711067

A Study Comparing Whole-Body Heat Treatment Plus Systemic Therapy to Systemic Therapy Alone, for Advanced Pancreatic Cancer

Pancreatic ductal adenocarcinoma (PDAC) is associated with poor prognosis and limited treatment options following failure of first-line therapy. Whole-body hyperthermia (WBHT) is a non-invasive treatment approach that raises the body's core temperature under controlled conditions and may enhance the effects of anticancer therapies through multiple biological mechanisms, including improved drug delivery, modulation of the immune response, and increased sensitivity to treatment.

The MATTERS-2 study is a multicentre, randomized clinical trial designed to evaluate the efficacy and safety of WBHT in combination with standard systemic anticancer therapy in patients with metastatic PDAC after failure of first-line treatment. Participants will receive either standard systemic therapy alone or standard systemic therapy combined with WBHT.

The primary objective of the study is to determine whether the addition of WBHT improves clinical outcomes compared with standard therapy alone in terms of overall survival (OS) while maintaining safety. Secondary objectives include other clinical outcomes such as progression-free survival (PFS), disease control rate (DCR) and objective response rate (ORR). Further, quality of life assessments (QoL) and exploratory biomarker analyses will also be performed.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2 / Phase 3

Primary location

Universitair Ziekenhuis Antwerpen (UZA), Antwerp, Antwerpen, Belgium

Loading trial locations.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Subjects at least 18 years of age at time of signing the informed consent
  • Subjects with metastatic pancreatic adenocarcinoma (PDAC) confirmed by histology
  • Measurable disease per RECIST 1.1
  • Subjects previously treated with chemotherapy in first line for metastatic disease
  • ECOG performance status ≤ 1
  • Height ≤ 2,00 m, BMI maximal 40 or positive fitting session
  • Adequate liver structure (accessible metastasis-free and functional liver parenchyma) allowing stable liver sensor positioning without unacceptable risks of bleeding and perforation, based on echographic assessment (or any imaging modality)
  • Adequate bone marrow function defined as
  • white blood cell count ≥ 2000/µl
  • neutrophils ≥ 1500 cells/μL
  • platelets ≥ 100 x 109/L
  • hemoglobin ≥ 9 g/dl (female) and ≥10 g/dl (male) documented
  • Adequate coagulation defined as
  • PT (%) ≥ 70%
  • aPTT ≤ ULN
  • Adequate liver function defined as
  • Transaminases (AST, ALT) ≤ 2.5 x ULN or ≤ 5.0 in presence of liver metastasis
  • bilirubin ≤ 2 x ULN
  • Adequate renal function defined as calculated eGFR ≥ 60 mL/min (CKD-EPI equation)
  • Normal ionogram
  • Effective contraception for both male and female subjects if applicable. Women of childbearing potential must have a negative pregnancy test at screening visit.
  • Written informed consent must be given according to good clinical practice and national/local regulations.

Exclusion criteria

  • Pregnant or breastfeeding women
  • Presence of brain metastasis (known or suspected)
  • Other malignant diseases in the medical history during the last 5 years (exceptions: carcinoma in situ of the cervix or adequately treated basal cell carcinoma of the skin)
  • Serious medical risk factors involving any of the major organ systems, including high cardiovascular risk defined as recent major cardiovascular events (such as myocardial infarction or stroke), clinically relevant heart failure due to structural or mechanical cardiac abnormalities (e.g., valvular disease or myocardial dysfunction), and clinically significant arrhythmias.
  • Pathology that would interfere with the placement of the bladder catheter
  • Clinically significant pulmonary disease which might interfere with mechanical ventilation
  • History of autonomic dysfunction (due to the influence on skin blood flow)
  • History of malignant hyperthermia
  • History of untreated endocrine pathology (e.g. diabetes type II, hyper- or hypothyroidism).
  • Primary untreated diabetes type I not related to the oncological condition (due to vascular complications).
  • Known allergies to drugs that will be used during the trial (e.g. anesthetic, analgesic, chemotherapy)
  • Active infections not controlled by medication
  • Presence of clinically significant ascites and/or decompensated cirrhosis/portal hypertension
  • Severe, non-healing wounds, ulcers or bone fractures
  • Organ allografts requiring immunosuppressive therapy
  • Implants that are not compatible with temperature changes
  • (History of) clinically significant (investigator decision) psychiatric disorder and/or psychosocial disorder that may interfere with adequate compliance to the protocol or signature of the informed consent
  • Other clinically significant disease which could impair the subject's ability to participate in the study according to the investigator's opinion
  • Participation in another clinical trial 2 weeks prior to the randomization
  • Biological therapy during the 2 weeks prior to the randomization
  • Radiotherapy up to 2 weeks prior to the randomization
  • Major surgery up to 6 weeks prior to the randomization (port-a-cath placement is minor)

Treatment and study plan

Whole-body hyperthermia

Device

Initially every 2 weeks, until a total of 3 treatments is reached. Thereafter every 4 weeks. The treatment will raise the body temperature to 41,50 °C for a total of 4 hours.

Other names: WBHT, WBH, Systemic hyperthermia, Whole-body thermal treatment, WBTT

Standard-of-Care Systemic therapy

Drug

Standard-of-care systemic therapy for patients with metastatic pancreatic ductal adenocarcinoma (mPDAC, stage IV) after failure of first-line treatment.

Primary outcomes

  1. Overall survival (OS)

    Time frame: From randomization until death from any cause, assessed up to study completion (primary analysis triggered upon occurrence of 66 death events), an (expected) average of 12 months

    To compare Overall Survival (OS) between WBHT + standard-of-care (SoC) and SoC treatment group

  2. Safety and tolerability of WBHT + SoC and SoC alone

    Time frame: From moment of enrollment (ICF signature) up to End of Treatment visit, an (expected) average of 10 months

    Incidence of Adverse Events (AE), Serious Adverse Events (SAE), treatment-related AE/SAE and Adverse Device Effects (ADE). They will be reported from moment of enrollment (ICF signature) up to End of Treatment visit and will be assessed for seriousness, severity and relationship to the device and to WBHT treatment.

Secondary outcomes

  1. Progression-free survival (PFS)

    Time frame: Up to time of progression, death or study discontinuation; an (expected) average of 8 months

    To compare Progression-Free Survival (PFS) between WBHT +SoC and SoC treatment group based on RECIST 1.1. criteria.

  2. Disease control rate (DCR)

    Time frame: Until death, end of treatment visit or study discontinuation; an (expected) average of 10 months

    To compare Disease Control Rate (DCR) between WBHT +SoC and SoC treatment group based on RECIST 1.1 criteria.

  3. Objective response rate (ORR)

    Time frame: Until death, end of treatment visit or study discontinuation; an (expected) average of 10 months

    To compare Objective Response Rate (ORR) between WBHT +SoC and SoC treatment group based on RECIST 1.1 criteria and further described with duration of response (DOR) and time to response (TTR).

  4. Quality of Life assessments (EORTC-QLQ-C30 version 3)

    Time frame: Until death, end of treatment visit or study discontinuation; an (expected) average of 10 months

    Quality of Life (QoL) according to EORTC-QLQ-C30 version 3 scoring changes from baseline (at 4-weeks, 8-weeks and End of Treatment)

  5. Quality of Life assessments (QLQ Pan 26)

    Time frame: Until death, end of treatment visit or study discontinuation; an (expected) average of 10 months

    Quality of Life (QoL) according to QLQ Pan 26 scoring changes from baseline (at 4-weeks, 8-weeks and End of Treatment)

  6. Evolution of CA19-9

    Time frame: Until death, end of treatment visit or study discontinuation; an (expected) average of 10 months

    To evaluate CA19-9 changes from baseline in WBHT +SoC and SoC treatment groups (at 4-weeks, 8-weeks and End of Treatment)

Other outcomes

  1. Exploratory analyses

    Time frame: Until death, end of treatment visit or study discontinuation; an (expected) average of 10 months

    To explore potential biomarkers and molecular correlates through the analysis of blood and tumor tissue samples.

Study contacts

Contact information is provided by the study sponsor or research team.

John-Paul Bogers, Prof. Dr.

CONTACT

[email protected]

+32 474296669

Sponsors and collaborators

Lead sponsor

ElmediX

Industry

Collaborators

  • Xper research

Registry information

Official study title

A Multi-Centric, Randomized, Pivotal Study, Evaluating Efficacy and Safety of Whole-Body Hyperthermia Alongside Standard Systemic Anticancer Therapy in Patients With Metastatic Pancreatic Cancer After Failure of First Line Treatment.

Acronym: MATTERS-2

Important dates

Study start
2026
Primary completion
2030
Study completion
2030
First posted
Jul 17, 2026
Registry last updated
Jul 17, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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