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aglatimagene besadenovec+ valacyclovir

Phase 2

Prostate Cancer Patients Treated by Radiotherapy | Monoclonal antibody | Oncology |Candel Therapeutics, Inc.|Last Updated: Mar 20, 2026

Target and mechanism

Target class-Vec/-gene (Gene Tx)
ModalityMonoclonal antibody

Also known as aglatimagene besadenovec, Aglatimagene besadenovec, Aglatimagene Besadenovec

Success Probability

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Market & Valuation

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Trial Design

ACTIVE_CONTROLLED
Total Trials1
Total Enrollment45

FDA Designations

FAST_TRACKRMATORPHAN_DRUG

Clinical trial landscape

aglatimagene besadenovec+ valacyclovir · 1 trial · 2 indications

Phase 2 1
NCT07332000A Biomarker Study in Men With Localized Prostate Cancer Treated With Aglatimagene BesadenovecProstate Cancer Patients Treated by Radiotherapy
RECRUITING45 Analytics
PHASE2RECRUITING
A Biomarker Study in Men With Localized Prostate Cancer Treated With Aglatimagene Besadenovec
Prostate Cancer Patients Treated by RadiotherapyUnlock trial analytics

Study Endpoints

Primary Endpoints

Biodistribution of aglatimagene besadenovec
Up to 3 months post last injection of aglatimagene besadenovec.

Evaluation of shedding of aglatimagene besadenovec viral genomes in urine, blood, and semen samples using validated bioassays over time.

Secondary Endpoints

Biomarkers of immune activation and tumor burden
Up to 3 months post last injection of aglatimagene besadenovec.
Incidence of Treatment-Emergent Adverse Events (Safety and Tolerability)
Up to 3 months post last injection of aglatimagene besadenovec.
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeBASIC_SCIENCE

Treatment Arms

ArmTypeDescription
TreatmentEXPERIMENTALPatients receiving aglatimagene besadenovec + valacyclovir along with External Beam Radiation Therapy (EBRT)
ControlACTIVE_COMPARATORExternal Beam Radiation Therapy (EBRT) alone

Interventions

NameTypeDescription
aglatimagene besadenovec + valacyclovirBIOLOGICALaglatimagene besadenovec: a genetically modified replication-defective adenoviral vector expressing the herpes simplex virus (HSV) thymidine kinase (tk) gene. Patients in the treatment arm will receive 3 intraprostatic injections of aglatimagene besadenovec, with each injection followed by a 14-day course of valacyclovir. Patients will have aglatimagene besadenovec administered either transrectally or transperineally.
External Beam Radiation Therapy (EBRT)RADIATIONStandard of care standard or moderately hypofractionated prostate-only external beam radiation therapy (EBRT)
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Eligibility Criteria

Age Range18 Years to N/A
SexMALE
Healthy VolunteersNo
Study Sites7

Inclusion Criteria: 1. Participants must give study-specific informed consent prior to enrollment 2. Histologically confirmed adenocarcinoma of the prostate 3. Participants meeting National Comprehensive Cancer Network (NCCN) intermediate-risk criteria 4. Participants must be planning and medically...

Countries:United States
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Frequently asked questions about aglatimagene besadenovec+ valacyclovir

What is Aglatimagene Besadenovec used for?

Aglatimagene Besadenovec is an investigational gene therapy being studied for the treatment of non-squamous non-small cell lung cancer and prostate cancer. In prostate cancer, it is evaluated in patients treated by radiotherapy and in those undergoing active surveillance. It is also being tested in non-small cell lung cancer.

What does Aglatimagene Besadenovec target?

Aglatimagene Besadenovec is a gene therapy that belongs to the -vec/-gene target class. It is designed to deliver a gene to cancer cells, and it is administered together with the prodrug valacyclovir. The therapy is being studied to induce an immune response against tumors.

Who is developing Aglatimagene Besadenovec?

Aglatimagene Besadenovec is being developed by Candel Therapeutics, Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol CADL. The company is conducting clinical trials of this investigational gene therapy in oncology indications.

What phase is Aglatimagene Besadenovec in?

Aglatimagene Besadenovec is currently in Phase 3 clinical development. It has received Fast Track, Regenerative Medicine Advanced Therapy (RMAT), and Orphan Drug designations from the FDA. The drug is investigational and has not been approved by the FDA.

What clinical trials is Aglatimagene Besadenovec in?

Aglatimagene Besadenovec is being studied in several clinical trials. NCT01436968 is a Phase 3 trial in localized prostate cancer with radiation therapy. NCT02768363 is a Phase 2 trial in prostate cancer during active surveillance. NCT04495153 is a Phase 2 trial in non-small cell lung cancer. NCT07660094 is a Phase 3 trial in non-squamous non-small cell lung cancer.

Is Aglatimagene Besadenovec the same as CAN-2409?

Aglatimagene Besadenovec is also known as aglatimagene besadenovec plus valacyclovir. In clinical trials, it is referred to as CAN-2409, as seen in the trial titles for prostate cancer and non-small cell lung cancer studies.