ClinicalTrials.gg
RecruitingNCT06804655EViDENCE-BTUpdated Sep 21, 2026

Pharmacoscopy for Patients With Refractory Primary Brain Tumors

A Phase 2 interventional study of Pharmacoscopy 1.0 in Brain (Nervous System) Cancers, Glioblastoma and Glioma, sponsored by University of Zurich. Recruiting at 3 sites in Switzerland. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-09-21.

Sponsored by University of Zurich · Phase 2, Interventional, and Treatment

From the registry’s dates

  • Started Sep 2026; still recruiting 2 months later.
Phase
Phase 2
Study type
Interventional
Enrollment
40
Allocation
Not applicable
Ages
18 Years and older
Sex
All
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Study summary

Advanced technology of ex vivo drug profiling referred to as pharmacoscopy may allow to identify novel drugs for the treatment of glioblastoma and other refractory brain tumors at an individual patient level. This personalized therapeutic approach was developed and validated in pre-clinical glioma models. With the current research proposal, we seek to establish feasibility for a clinical interventional trial for patients with refractory primary brain tumors that is based on pharmacoscopy-guided selection of treatment.

The study is supported by an unrestricted grant from Anti Cancer Fund.

02

Conditions studied

  • Brain (Nervous System) Cancers
  • Glioblastoma
  • Glioma
  • Ependymoma
  • Medulloblastoma
  • Meningioma
  • Rare Primary Brain Tumors
  • Rare CNS Primary Tumors

Keywords

  • pharmacoscopy
  • drug testing
  • refractory tumor
  • drug repurposing
  • personalized medicine
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In context

Neurologic Manifestations

425 studies on the registry are indexed under Neurologic Manifestations; 82 are open to participants now.

This study's planned enrollment of 40 is below the median of 48 across 269 interventional studies indexed under Neurologic Manifestations.

Browse Neurologic Manifestations studies →

Lead sponsor

University of Zurich is the lead sponsor of 1,049 studies on the registry; 133 are open to participants now.

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

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
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

  1. Age 18 years or older on day of signing , female or male.
  2. glioblastoma, isocitrate dehydrogenase (IDH)-mutant astrocytoma or oligodendroglioma, histone-mutant glioma, ependymoma, medulloblastoma, meningioma or other rare primary brain tumor with a histological confirmation according to the WHO classification 2021. Primary tumors can be located at the cerebral or spinal level. Primary brain tumors with outside of the brain may also be considered.
  3. performance status of 60 or more
  4. >12 weeks.
  5. Limited systemic therapeutic options as per treating physician judgement. The number of is not limited.
  6. Surgery clinically indicated. A histological confirmation of the diagnosis of a recurrent brain tumor will be required before any treatment can be initiated.
  7. Adequate bone marrow, renal and hepatic function
  8. Ability to understand the requirements of the study, provide written informed consent and authorization of use and disclosure of protected health information, and agree to abide by the study restrictions and return for the required assessments.
  9. Written informed consent for study participation must be signed and dated by the patient and the investigator prior to any study-related intervention.

Exclusion criteria

Exclusion Criteria:

  1. Inability to undergo brain or spine MRI.
  2. Concurrent treatment with other systemic tumor-directed pharmacotherapies.
  3. Intent to be treated with radiotherapy.
  4. Any antitumor therapy other than those under investigation in this study.
  5. Judgment by the investigator that the patient should not participate in the study because the patient is unlikely to comply with study procedures, restrictions and requirements.
  6. Intention to become pregnant during the course of the study or pregnancy. Women of , including women who had their last menstruation in the last 2 years, must have a negative urinary or serum pregnancy test.
  7. Women who are breast feeding and who do not agree to discontinue nursing prior to the first study treatment and for the period defined in the protocol.
  8. Sexually active men and women of childbearing potential who are not willing to use an effective method during the study.
Terms in these criteria, in plain language(9)

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.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Relapsed and refractory

Relapsed: the illness came back after treatment had worked. Refractory: it did not respond to treatment, or stopped responding while still on it.

Metastases

Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.

Karnofsky performance status (KPS)

A 0–100 scale of how well someone can carry out everyday activities. 100 is no complaints and no signs of illness; 70 is able to look after yourself but not to work or keep up normal activity; 50 is needing considerable help and frequent medical care.

Studies often ask for 60 or 70 and above. Your doctor gives the score.

Life expectancy

The study doctor’s estimate of how long someone is likely to live. Criteria use it so that people can stay in the study long enough for it to answer its question.

Line of therapy

A line of therapy is one course of treatment, which may combine several drugs. First-line is the first course given; second-line follows when that stops working or is not tolerated.

“Two prior lines” means two courses that count separately under the study’s rules — not simply two drugs. Ask the study team if you are unsure how yours are counted.

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.

Childbearing potential

Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).

Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
40 participants (estimated)

Study arms

  • Experimental
    All patients will have their tumor analyzed by pharmacoscopy.

    Therapeutic decisions will be taken considering the results of the pharmacoscopy analysis, and also standard histopathological and molecular analysis, including next generation sequencing, molecular profiling analysis as available, characteristics of the patient and previous treatments received.

    Device: Pharmacoscopy 1.0

Interventions

  • DevicePharmacoscopy 1.0

    The intervention is the submission of freshly obtained surgical material to ex vivo drug profiling which we term pharmacoscopy (PCY). The performance study is interventional as the test results shall influence patient management decisions and/or may be used to guide treatment.

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What researchers measure

Primary outcomes

  1. To demonstrate the overall feasibility of pharmacoscopy-guided treatment for patients with refractory primary brain tumors

    The feasibility is defined as: 80% success rate of generating a pharmacoscopy result within 10 days of surgery (32/40 patients), 50% success rate of placing patients on selected drug based on pharmacoscopy (16/32 patients).

    Time frame: 2 months

Secondary outcomes

  1. To explore the efficacy of pharmacoscopy-guided treatment - 1

    (1) Response rate

    Time frame: 12 months

  2. To explore the efficacy of pharmacoscopy guided treatment - 2

    duration of response

    Time frame: 12 months

  3. To explore the efficacy of pharmascopy guided treatment - 3

    progression-free survival

    Time frame: 12 months

  4. To explore the efficacy of pharmascopy guided treatment - 4

    overall survival

    Time frame: 24 months

  5. To confirm the safety and tolerability of treatment selected based on pharmacoscopy - 1

    Neurological function (NANO scale, Nayak et al. 2017)

    Time frame: 12 months

  6. To confirm the safety and tolerability of treatment selected based on pharmacoscopy -2

    Karnofsky performance status (score 0-100)

    Time frame: 12 months

  7. To confirm the safety and tolerability of treatment selected based on pharmacoscopy - 3

    Steroid use (dose in mg equivalent dexamethasone)

    Time frame: 12 months

  8. Quality of life -1

    EORTC QLQ C30 auto-questionnaire

    Time frame: 12 months

  9. Quality of life - 2

    EORTC BN20 autoquestionnaire

    Time frame: 12 months

Other outcomes

  1. Translational research

    prospective assessement of the value of liquid biopsy in parallel of imaging assessment

    Time frame: 12 months

07

Study locations

1 of 3 sites recruiting
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References and documents

Publications

  • Lee S, Weiss T, Buhler M, Mena J, Lottenbach Z, Wegmann R, Sun M, Bihl M, Augustynek B, Baumann SP, Goetze S, van Drogen A, Pedrioli PGA, Penton D, Festl Y, Buck A, Kirschenbaum D, Zeitlberger AM, Neidert MC, Vasella F, Rushing EJ, Wollscheid B, Hediger MA, Weller M, Snijder B. High-throughput identification of repurposable neuroactive drugs with potent anti-glioblastoma activity. Nat Med. 2024 Nov;30(11):3196-3208. doi: 10.1038/s41591-024-03224-y. Epub 2024 Sep 20. PubMed 39304781 ↗

Individual participant data

Plan to share: Undecided

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Started Sep 2026 (actual). Primary completion is estimated for Sep 2028, 24 months after the start.

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

Registered
Dec 17, 2024
First posted
Feb 3, 2025
StartActual
Sep 11, 2026
Primary completionEst.
Sep 15, 2028
CompletionEst.
Sep 15, 2028
Last update
Sep 21, 2026
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 Sep 21, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT06804655
Collaborators
University Hospital, Zürich, University Hospital, Basel, Switzerland, Cantonal Hospital of St. Gallen
Responsible party
Sponsor
First posted
Feb 3, 2025
Start date
Sep 11, 2026
Primary completion
Sep 15, 2028 (estimated)
Completion
Sep 15, 2028 (estimated)
Last update
Sep 21, 2026

Study contacts

Michael Weller, Prof. Dr. med.
Contact
EViDENCE-BT@usz.ch
+41442555500

Oversight

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

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