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NCT04685616RecruitingPhase 3

Brentuximab Vedotin in Early Stage Hodgkin Lymphoma

A Randomised Phase III Trial With a PET Response Adapted Design Comparing ABVD +/- ISRT With A2VD +/- ISRT in Patients With Previously Untreated Stage IA/IIA Hodgkin Lymphoma

Source: ClinicalTrials.gov · Last updated 8 Jul 2026

Brief summary (registry, in English)

RADAR is a multicentre, international, randomised, open-label phase III clinical trial composed of 2 trials running in parallel. Trial 1 will be led and sponsored by University College London (UCL) and conducted in Europe and Australia/New Zealand. Trial 2 will be led by the Canadian Cancer Trials Group (CCTG) and conducted in North America, with CCTG the regulatory sponsor in Canada, and University of Miami the regulatory sponsor and IND holder in the US. Datasets from Trial 1 and Trial 2 will be combined to achieve the total sample size. Data analysis will be performed by UCL and therefore UCL is responsible for the clinicaltrials.gov entry. Eligible patients will be randomised to receive either ABVD or A2VD chemotherapy. An interim PET-CT scan will be performed after 2 cycles of treatment, which will be used to adapt subsequent treatment. Patients will receive a total of 3-4 cycles of chemotherapy and may also receive involved site radiotherapy as consolidation. Patients will be followed up for a minimum of 5 years after treatment.

Status (registry)
Recruiting
Phase (registry)
Phase 3
Study type
Interventional
Enrollment
1042 (estimated)
First submitted
27 Nov 2020
Start date
14 Apr 2022
Primary completion date
Sept 2030
Lead sponsor
University College, London
NCT number
NCT04685616
EU CT number
2022-500031-37-00
EudraCT number
2020-005160-65

What you commit to

  • Study type: Interventional · Phase 3
  • Planned participants: 1042
  • From 14 Apr 2022 to the primary completion date, Sept 2030
  • 72 sites in 12 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Previous treatment for Hodgkin lymphoma, excluding short courses of oral corticosteroids at a dose of 100mg prednisolone (or equivalent) for up to 7 days
  • Any active systemic viral, bacterial or fungal infection requiring systemic antibiotics, antivirals or antifungals within 2 weeks prior to first trial drug dose
  • Receiving or recently treated with any other investigational agent (within 4 weeks of trial entry)

Other illness

  • Infradiaphragmatic disease
  • Other cancer diagnosed with the last 5 years. Patients with completely excised carcinoma in situ of any type and basal or squamous cell carcinoma of the skin are not excluded
  • Recurrent or persistent other cancer within last 5 years irrespective of date of initial diagnosis
  • History of or current progressive multi-focal leukoencephalopathy or other chronic condition of the brain
  • Symptomatic neurologic disease compromising normal activities of daily living or requiring medications
  • Infection with HIV, hepatitis C or active hepatitis B infection (surface antigen or DNA positive)
  • Known hypersensitivity to recombinant proteins, murine proteins, or to any excipient contained in the drug formulation of brentuximab vedotin or any component of ABVD
  • Known history of any cardiovascular or respiratory conditions that would preclude anthracycline or bleomycin administration
  • Other significant medical or psychiatric comorbidity that in the opinion of the investigator would make administration of ABVD or A2VD hazardous

Lab values

  • Nodular lymphocyte predominant Hodgkin lymphoma

Age

  • Age 70 years or over or age 15 years or under

Other

  • Absence of FDG-avid lesions on baseline PET scan
  • Pre-existing grade ≥1 sensory or motor neuropathy from any cause
  • Pregnant or breastfeeding women

Who the study is looking for

  • Males and females aged 16-69 years (inclusive) (age range is 18-69 in US and EU)
  • Histologically confirmed classical Hodgkin lymphoma
  • Stage I or II supradiaphragmatic disease with no mediastinal bulk disease (defined as greater than a third of the transthoracic diameter at any level of thoracic vertebra as determined by CT) or B symptoms. Bulky disease at other sites is acceptable. Extranodal disease (single extranodal site (stage I) or contiguous nodal extension (stage II)) is acceptable.
  • ECOG performance status 0-2.
  • No previous treatment for Hodgkin lymphoma
  • Fit to receive anthracycline-based chemotherapy (patients with a history of ischaemic heart disease or hypertension should have a left ventricular ejection fraction of ≥50%)
  • Creatinine clearance (measured or calculated \>40ml/min
  • Total bilirubin \<1.5 x upper limit of normal, unless attributable to disease or known Gilbert's syndrome
  • ALT or AST \< 2 x upper limit of normal
  • Adequate bone marrow function with neutrophils ≥1.0x10\^9/l and platelets ≥100x10\^9/l
  • Haemoglobin ≥8g/dL
  • Willing and able to comply with the requirements of the protocol, including contraceptive advice, where applicable
  • Written informed consent

Age in the registry: 16 years to 69 years · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (72)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Royal Adelaide Hospital
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AdelaideAustraliaRecruiting
Box Hill Hospital
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Box HillAustraliaRecruiting
Royal Brisbane and Women's Hospital
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BrisbaneAustraliaRecruiting
Royal Darwin Hospital
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DarwinAustraliaRecruiting
Liverpool Hospital
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LiverpoolAustraliaRecruiting
Sunshine Hospital (Western Health)
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MelbourneAustraliaRecruiting
Royal North Shore Hospital
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Saint LeonardsAustraliaRecruiting
St George Hospital
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SydneyAustraliaRecruiting
Concord Repatriation General Hospital
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SydneyAustraliaRecruiting
Townsville University Hospital
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TownsvilleAustraliaRecruiting
Ziekenhuis Aan De Stroom
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AntwerpBelgiumRecruiting
Antwerp University Hospital
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EdegemBelgiumRecruiting
UZ Leuven
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LeuvenBelgiumRecruiting
Centre Hospitalier Universitaire Dinant Godinne Sainte-Elisabeth-UCL-Namur
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NamurBelgiumRecruiting
AZ Delta
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RoeselareBelgiumRecruiting
QEII Health Sciences Centre
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HalifaxCanadaRecruiting
Juravinski Cancer Centre
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HamiltonCanadaRecruiting
Ottowa Hospital Research Institute
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OttawaCanadaRecruiting
Saint John Regional Hospital
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Saint JohnCanadaRecruiting
University Health Network - Princess Margaret Cancer Centre
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TorontoCanadaRecruiting
Vancouver Cancer Centre
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VancouverCanadaRecruiting
CancerCare Manitoba
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WinnipegCanadaRecruiting
Aarhus University Hospital
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Aarhus NDenmarkRecruiting
Rigshospitalet
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Copenhagen OeDenmarkRecruiting
Hospital del Mar
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BarcelonaSpainRecruiting
Catalan Institute of Oncology
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L'Hospitalet de LlobregatSpainRecruiting
Hospital Universitario de Navarra
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PamplonaSpainRecruiting
Aberdeen Royal Infirmary
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AberdeenUnited KingdomRecruiting
Hampshire Hospitals Nhs Foundation Trust
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BasingstokeUnited KingdomRecruiting
University Hospitals Birmingham
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BirminghamUnited KingdomRecruiting
Blackpool Victoria Hospital
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BlackpoolUnited KingdomRecruiting
Glan Clwyd Hospital
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BodelwyddanUnited KingdomRecruiting
Bristol Haematology and Oncology Centre
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BristolUnited KingdomRecruiting
University Hospital of Wales, Cardiff & Vale University Local Health Board
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CardiffUnited KingdomRecruiting
Colchester Hospital, ESNEFT
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ColchesterUnited KingdomRecruiting
University Hospital Coventry
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CoventryUnited KingdomRecruiting
Lanarkshire
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GlasgowUnited KingdomRecruiting
Beatson West of Scotland Cancer Centre
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GlasgowUnited KingdomRecruiting
Castle Hill Hospital
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HullUnited KingdomRecruiting
St James University Hospital
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LeedsUnited KingdomRecruiting
University Hospitals of Leicester NHS Trust
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LeicesterUnited KingdomRecruiting
The Clatterbridge Cancer Centre NHSFT, 65 Pembroke Place
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LiverpoolUnited KingdomRecruiting
Royal Marsden Hospital (Chelsea)
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LondonUnited KingdomRecruiting
St. George's Hospital
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LondonUnited KingdomRecruiting
University College London Hospitals NHS Foundation Trust (UCLH)
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LondonUnited KingdomRecruiting
St. Bartholomew's Hospital
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LondonUnited KingdomRecruiting
Christie Hospital
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ManchesterUnited KingdomRecruiting
Freeman Hospital, Newcastle
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Newcastle upon TyneUnited KingdomRecruiting
Norfolk & Norwich University Hospital
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NorwichUnited KingdomRecruiting
Nottingham University Hospitals NHST
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NottinghamUnited KingdomRecruiting
Churchill Hospital
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OxfordUnited KingdomRecruiting
Derriford Hospital
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PlymouthUnited KingdomRecruiting
Royal Hallamshire Hospital
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SheffieldUnited KingdomRecruiting
Southampton General Hospital
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SouthamptonUnited KingdomRecruiting
Sunderland Royal Hospital
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SunderlandUnited KingdomRecruiting
Royal Marsden Hospital
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SuttonUnited KingdomRecruiting
Torbay Hospital
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TorquayUnited KingdomRecruiting
Royal Cornwall Hospital
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TruroUnited KingdomRecruiting
St Vincent's University Hospital
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Dublin 4IrelandRecruiting
St James's Hospital
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Dublin 8IrelandRecruiting
University Hospital Galway
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GalwayIrelandRecruiting
Amsterdam UMC
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AmsterdamNetherlandsRecruiting
Reinier de Graaf Groep
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DelftNetherlandsRecruiting
Universitair Medisch Centrum Groningen
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GroningenNetherlandsRecruiting
Medical Center Haaglanden
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LeidschendamNetherlandsRecruiting
Stichting Radboud University Medical Center
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NijmegenNetherlandsRecruiting
Auckland City Hospital
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AucklandNew ZealandRecruiting
Instituto Portugues de Oncologia de Lisboa Francisco Gentil, E.P.E.
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LisbonPortugalRecruiting
Narodny onkologicky ustav
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BratislavaSlovakiaRecruiting
University of Miami School of Medicine
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MiamiUnited StatesRecruiting
Memorial Sloan-Kettering Cancer Center
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New YorkUnited StatesRecruiting
Stanford University - Stanford Cancer Institute
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StanfordUnited StatesRecruiting

This page is information, not medical advice. Discuss any trial with your doctor.