ClinicalTrials.gg
WithdrawnNCT03488810ARN-509Updated Aug 17, 2020

Apalutamide With Radiotherapy and Androgen Deprivation Therapy in Prostate Cancer

A Phase 3 interventional study of Radiation Therapy and Apalutamide in Prostate Cancer, sponsored by European Organisation for Research and Treatment of Cancer - EORTC. Withdrawn. Open to male participants aged 18 Years to 80 Years. Per ClinicalTrials.gov, last updated 2020-08-17.

Sponsored by European Organisation for Research and Treatment of Cancer - EORTC · Phase 3, Interventional, and Treatment

Why this study was withdrawn
Extended study timelines and additional budget could no longer be supported.
Phase
Phase 3
Study type
Interventional
Enrollment
0
Allocation
Randomized
Ages
18 Years to 80 Years
Sex
Male
01

Study summary

The main objective of the trial to determine if the combination of apalutamide with 6 months of androgen deprivation therapy by LHRH agonists in patients with intermediate and limited high-risk, localized prostate cancer receiving primary radiation therapy (RT) results in an improvement of disease-free survival (DFS) evaluated by the treating physician, in comparison to the combination of radiation and androgen deprivation therapy without the addition of apalutamide.

02

Conditions studied

  • Prostate Cancer

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Keywords

  • Apalutamide Prostate Cancer Radiotherapy
03

In context

Prostatic Neoplasms

7,046 studies on the registry are indexed under Prostatic Neoplasms; 1,580 are open to participants now.

Browse Prostatic Neoplasms studies →

Lead sponsor

European Organisation for Research and Treatment of Cancer - EORTC is the lead sponsor of 352 studies on the registry; 23 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 80 Years
Sexes eligible
Male
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • confirmed diagnosis of prostate adenocarcinoma diagnosed by ultrasound guided of the prostate containing 10-12 cores showing no neuroendocrine component
  • Either of: Favorable intermediate risk (according to EAU risk groups): PSA 10-20 ng/mL, -or Gleason score 7 (3 +4) (ISUP Grade 2), or cT2b. Infavorable intermediate risk (according to EAU risk groups): PSA 10-20 ng/mL, -or Gleason score 7 (4+3) (ISUP Grade 3), or cT2b. Limited high risk : PSA > 20 ng/mL or Gleason score >7 (ISUP Grade 4/5)
  • M0 by standard imaging work-up
  • Scheduled to be treated with primary prostate RT
  • ≤ 2
  • No risk of urinary retention based on the International Prostate Symptom Score (IPSS) : IPSS \< 20
  • Adequate liver function determined by the following: (AST), alanine aminotransferase (ALT), \< 2.5 x (ULN). Total \<1.5 x upper limit of normal (ULN)
  • Adequate renal function: creatinine level \< 2 x ULN
  • Serum albumin ≥ 3.0 g/dL
  • Serum potassium ≥ 3.5 mmol/L
  • ≥ 10.0 g/dL, independent of transfusion and/or growth factors within 3 months prior to randomization
  • count ≥ 100,000 x 109/L independent of transfusion and/or growth factors within 3 months prior to randomization
  • Be able to swallow whole study drug tablets

Exclusion criteria

Exclusion Criteria:

  • cT2c, T3, T4 or pelvic lymph nodes involvement, as assessed by CT scan or MRI (cN1) or pelvic lymph node dissection (pN1)
  • Previous pelvic irradiation or radical prostatectomy.
  • Bilateral orchiectomy
  • Prior systemic (e.g., chemotherapy) or procedural (e.g., prostatectomy, cryotherapy) treatment for prostate cancer
  • Prior treatment with 5-alpha reductase inhibitors for benign prostatic hypertrophy not discontinued 4 weeks prior to randomization
  • Prior treatment with any LHRH agonist or antagonist, bicalutamide, flutamide or nilutamide, enzalutamide, abiraterone acetate, orteronel, galeterone, ketoconazole, aminoglutethimide, estrogens, megestrol acetate, and progestational agents for prostate cancer
  • Prior treatment with radiopharmaceutical agents (e.g., strontium-89) or immunotherapy for prostate cancer
  • Other except adequately treated basal cell carcinoma of the skin or other malignancy from which the patient has been cured for at least 5 years.
  • History of Ulcerative Colitis, Crohn's Disease, Ataxia Telangiectasia, systemic lupus erythematosus or Fanconi anemia
  • History of seizure or condition that may predispose to seizure (including, but not limited to prior stroke, or loss of consciousness ≤ 1 year prior to randomization; brain arteriovenous malformation; or intracranial masses such as schwannomas and meningiomas that are causing edema or mass effect).
  • Medications known to lower the seizure thresholdmust be discontinued or substituted at least 4 weeks prior to study entry
  • Certain risk factors for abnormal heart rhythms/: torsade de pointes ventricular arrhythmias (e.g., heart failure, hypokalemia, or a family history of a long QT syndrome), a QT or corrected QT (QTc) interval > 450 ms at baseline
  • Uncontrolled hypertension (systolic BP ≥ 140 mmHg or diastolic BP ≥ 90 mmHg); patients with a history of hypertension are allowed provided blood pressure is controlled by anti-hypertensive treatment
  • Bilateral hip prostheses
  • Prior treatment with systemic ≤ 4 weeks prior to randomization or is expected to require long-term use of corticosteroids during the study
  • Use of any agent ≤ 4 weeks prior to randomization
  • Current chronic use of opioid analgesics for ≥3 weeks for oral or ≥ 7 days for non-oral formulations
  • Major surgery ≤ 4 weeks prior to randomization
  • Known or suspected or to apalutamide, bicalutamide or LHRHa agonists or any of the components of the formulations
  • Presence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule; those conditions should be discussed with the patient before registration in the trial
Terms in these criteria, in plain language(15)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Histologically or cytologically confirmed

The diagnosis was confirmed by looking at a sample under a microscope: tissue from a biopsy or surgery (histology), or cells from a fluid or needle sample (cytology).

Your pathology report is the document that shows this.

Biopsy and archival tissue

A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.

Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.

ECOG performance status

A scale of how much an illness limits everyday activity. For people being assessed to join a study, scores run from 0 (fully active) to 4; lower is more active.

0
Fully active, no restrictions.
1
Limited in strenuous activity, but walking and able to do light work, such as housework or office work.
2
Walking and able to look after yourself, but unable to work; up and about more than half of waking hours.
3
Able to look after yourself only in part; in bed or a chair more than half of waking hours.
4
Unable to look after yourself at all; in bed or a chair all day.

Studies most often ask for 0–1 or 0–2. Your doctor gives the score; the WHO scale uses the same steps. The full scale also has 5, which records death.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

Hemoglobin (Hb)

The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).

Platelets

Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.

Cancer (malignancy)

Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.

Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.

TIA (transient ischaemic attack)

A “mini-stroke”: temporary stroke-like symptoms caused by reduced blood flow to part of the brain, spinal cord or eye, without signs of a new stroke on a scan.

Stroke symptoms need emergency care at once, even if they go away.

QT and QTc

On an ECG, the QT interval is the time the heart’s lower chambers take to activate electrically and recover in each beat. QTc is that time adjusted for heart rate (QTcF by Fridericia’s formula, QTcB by Bazett’s). Some medicines lengthen it, and a long QTc can raise the risk of a dangerous heart rhythm.

The study may name a correction formula and a limit in milliseconds, often around 450–480.

Corticosteroids (steroids)

Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.

Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

Hypersensitivity

An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.

05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
0 participants (actual)

Study arms

  • Active comparator
    Arm A: ADT + radiation therapy

    Patient will receive 2 injections of a three-monthly LHRH agonist depot plus non-steroidal anti-androgen (rescue treatment) (e. g. flutamide, bicalutamide) PO daily for 4 weeks, started 2 weeks before the first LHRH agonist injection. All patients will receive standard fractionation radiation therapy (RT) between 0 and 12 weeks after first injection of LHRH agonist.

    Other: Radiation Therapy · Drug: Luteinising Hormone Releasing Hormone analog agonist (LHRHa) · Drug: Non-steroidal anti-androgen

  • Experimental
    Arm B: ADT + radiation therapy + Apalutamide

    Patients will receive 2 injections of a three-monthly LHRH agonist depot. Apalutamide treatment: 240 mg PO daily, started the same day as the first LHRHa injection, for 6 months. All patients will receive standard fractionation radiation therapy (RT) between 0 and 12 weeks after first injection of LHRH agonist.

    Other: Radiation Therapy · Drug: Apalutamide · Drug: Luteinising Hormone Releasing Hormone analog agonist (LHRHa)

Interventions

  • OtherRadiation Therapy

    Dose escalated Intensity-Modulated Radiation therapy (IMRT) with conventional fractionation, hypofractionation and prostate brachytherapy are allowed.

  • 240 mg PO daily, started the same day as the first LHRHa injection, for 6 months

  • DrugLuteinising Hormone Releasing Hormone analog agonist (LHRHa)

    2 injections of a three-monthly LHRH agonist depot

  • DrugNon-steroidal anti-androgen

    Non-steroidal anti-androgen (e. g. flutamide, bicalutamide) PO daily for 4 weeks, started 2 weeks before the first LHRH agonist injection

06

What researchers measure

Primary outcomes

  1. Disease-free survival

    Events for this endpoint include loco-regional recurrence, distant metastases (radiologically or pathologically confirmed), death from any cause, whichever occurs first

    Time frame: 7.8 years from First Patient In (FPI)

Secondary outcomes

  1. Progression-free survival

    includes first events of biochemical failure by Phoenix criteria in addition to the events listed in the primary endpoint DFS

    Time frame: 7.8 years from First Patient In (FPI)

  2. Distant Metastasis-free survival

    Time frame: 7.8 years from First Patient In (FPI)

  3. Overall survival

    Time frame: 7.8 years from First Patient In (FPI)

  4. Prostate cancer specific survival

    Time frame: 7.8 years from First Patient In (FPI)

  5. Prostate-Specific Antigen (PSA) value

    Prostate-Specific Antigen (PSA) value will be assessed at the end of the treatment of each patient

    Time frame: 5.5 years from First Patient In (FPI)

  6. Adverse events graded according to the National Cancer Institute Common Occurrence of Adverse Events

    Adverse events will be graded according to the National Cancer Institute Common Terminology Criteria for adverse events (NCI-CTCAE) version 4.0

    Time frame: 7.8 years from First Patient In (FPI)

  7. Health-related quality of life

    Health-related quality of life will be evaluated using self-administered EORTC QLQ-C30 questionnaire

    Time frame: 7.8 years from First Patient In (FPI)

  8. Health-related quality of life

    Health-related quality of life will be evaluated using EORTC QLQ-PR25 instruments

    Time frame: 7.8 years from First Patient In (FPI)

  9. Prostate-Specific Antigen (PSA) nadir

    Prostate-Specific Antigen (PSA) nadir will be assessed as the lowest value achievement on treatment

    Time frame: 5.5 years from First Patient In (FPI)

07

Study locations

No study locations are listed for this record.

08

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Start is estimated for Mar 2020; primary completion for Jun 2026, 75 months later.

How these figures are worked out, and which studies are left out of them.

Registered
Mar 27, 2018
First posted
Apr 5, 2018
StartEst.
Mar 10, 2020
Primary completionEst.
Jun 15, 2026
CompletionEst.
Jun 15, 2026
Last update
Aug 17, 2020
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Aug 17, 2020, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT03488810
Responsible party
Sponsor
First posted
Apr 5, 2018
Start date
Mar 10, 2020 (estimated)
Primary completion
Jun 15, 2026 (estimated)
Completion
Jun 15, 2026 (estimated)
Last update
Aug 17, 2020

Study contacts

Gilles Crehange
principal investigator · Centre Georges Francois Leclerc
Michel Bolla
principal investigator · CHU de Grenoble - La Tronche - Hôpital A. Michallon, France

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is withdrawn, as verified in Aug 2020. You cannot join it, but the record below documents what was studied.

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Studies of the drug tested here: Apalutamide

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