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RecruitingNCT04485559Updated Aug 18, 2026

Trametinib and Everolimus for Treatment of Pediatric and Young Adult Patients With Recurrent Gliomas (PNOC021)

A Phase 1 interventional study of Everolimus and Trametinib in Recurrent World Health Organization (WHO) Grade II Glioma, Low-grade Glioma and High-Grade Glioma (HGG), sponsored by University of California, San Francisco. Recruiting at 17 sites in United States. Open to participants aged 1 Year to 25 Years. Per ClinicalTrials.gov, last updated 2026-08-18.

Sponsored by University of California, San Francisco · Phase 1, Interventional, and Treatment

From the registry’s dates

  • Started Dec 2020; still recruiting 5 years 9 months later.
Phase
Phase 1
Study type
Interventional
Enrollment
50
Allocation
Not applicable
Ages
1 Year to 25 Years
Sex
All
01

Study summary

This phase I trial studies the side effects and best dose of trametinib and everolimus in treating pediatric and young adult patients with gliomas that have come back (recurrent). Trametinib acts by targeting a protein in cells called MEK and disrupting tumor growth. Everolimus is a drug that may block another pathway in tumor cells that can help tumors grow. Giving trametinib and everolimus may work better to treat low and high-grade gliomas compared to trametinib or everolimus alone.

Read the detailed description

PRIMARY OBJECTIVES:

I. To estimate the recommended phase 2 dose (RP2D) of trametinib given orally in combination with everolimus in pediatric and young adult patients with gliomas.

II. To describe the toxicity profile and define the dose limiting toxicities (DLTs) of the combination of trametinib and everolimus in pediatric and young adult patients with recurrent low-grade gliomas (LGG) or high-grade glioma (HGG).

III. To characterize the pharmacokinetic profile of trametinib and everolimus when given in combination.

EXPLORATORY OBJECTIVES:

I. To describe the objective response rate and the 2-year progression-free survival (PFS) of LGGs to this therapy in the context of a phase I study.

II. To assess quality of life (QOL) and cognitive measures in pediatric and young adult patients with LGG or HGG.

III. To identify potential predictive biomarkers to targeted therapy in pediatric and young adult patients with LGGs.

IV. To assess endocrine outcomes in pediatric and young adult patients with LGGs.

V. To explore magnetic resonance (MR) quantitative measures of relative cerebral blood volume, permeability and apparent diffusion coefficient within the region of hyperintensity on T2-weighted images as markers of disease response and/or progression in comparison to institutional evaluation of disease response and/or progression and quantitative measures of tumor response as determined by central review (based upon both area and volumetric measures).

OUTLINE: This is a dose-escalation study.

Patients receive a combination of trametinib orally (PO) and everolimus in either of two dosing scheduled (continuous and intermittent). Treatment repeats every 28 days for up to 26 cycles in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up at 30 days, every 3 months for 1 year, then every 6 months for 5 years from the start of therapy.

02

Conditions studied

  • Recurrent World Health Organization (WHO) Grade II Glioma
  • Low-grade Glioma
  • High-Grade Glioma (HGG)

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Keywords

  • Mitogen-activated protein kinase (MAPK)
  • phosphatidylinositol 3-kinase (PI3K)
  • MAPK
  • PI3K
03

In context

Glioma

1,397 studies on the registry are indexed under Glioma; 351 are open to participants now.

This study's planned enrollment of 50 is above the median of 32 across 1,065 interventional studies indexed under Glioma.

Browse Glioma studies →

Lead sponsor

University of California, San Francisco is the lead sponsor of 2,132 studies on the registry; 375 are open to participants now.

Of its 262 completed or terminated interventional studies of FDA-regulated products, 196 (75%) have results posted.

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

04

Who can participate

Ages eligible
1 Year to 25 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Participants must have histologically confirmed diagnosis of an LGG (WHO grade I-II) that is recurrent or progressive after prior treatment (biologic, chemotherapy or radiation therapy) or must have a histologically confirmed diagnosis of a high-grade glioma (HGG) (WHO grade III-VI)

    • Participants with LGG who have had surgery alone are not eligible.
    • Participants with neurofibromatosis type 1 (NF-1) are eligible but must have available tissue per study requirements neurofibromatosis (NF) status will be collected
    • Participants with spinal cord primaries or disseminated disease are eligible
  • For enrollment, snap frozen tissue (150 mg) or 10 unstained 10 um formalin-fixed, paraffin-embedded (FFPE) slides for comprehensive genomic testing or results of prior testing is required

    • If clinical comprehensive testing has already been performed, the requirement for submission of tissue may be waived after discussion and review of results with study chairs
  • Participants must have evaluable disease
  • Prior therapy: Participants must have received prior therapy other than surgery and must have fully recovered from the acute toxic effects of all prior chemotherapy, biologics, immunotherapy, or radiotherapy prior to entering this study

    • Myelosuppressive chemotherapy: Participants must have received their last dose of known myelosuppressive anticancer chemotherapy at least three weeks prior to study registration or at least six weeks if they had received nitrosourea. Biologic agents: Participant must have recovered from any acute toxicity potentially related to the agent and received their last dose of the biologic agent >= 7 days prior to study registration. For biologic agents that have a prolonged half-life, at least three half-lives must have elapsed prior to registration

      • Participants may have received prior treatment with a mitogen-activated extracellular signal-regulated kinase (MEK) or Mechanistic target of rapamycin (mTOR) inhibitor but must not have developed severe (grade III or IV) clinically significant toxicity. (Participants who developed grade III or IV toxicity which was not presumed by the treating physician to be medically significant should be discussed with the study chair or co-chair)
    • Monoclonal antibody treatment: Participants must have received their last dose at least four weeks prior to study registration
    • Radiation: Participants must have: had their last fraction of local irradiation to the primary tumor, craniospinal irradiation (> 24 Gy) or total body irradiation > 12 weeks prior to registration; investigators are reminded to review potentially eligible cases to confirm disease progression and avoid confusion with pseudo-progression
    • Bone marrow transplant: Participants must be: >= 6 months since allogeneic bone marrow transplant prior to registration; >= 3 months since autologous bone marrow/stem cell prior to registration
    • Corticosteroids: Participants who are receiving steroids must be on a stable or decreasing dose for at least 1 week prior to registration
  • Karnofsky >= 50 for participants > 16 years of age and Lansky >= 50 for participants =\< 16 years of age. Participants who are unable to walk because of paralysis, but who are up in a wheelchair, will be considered ambulatory for the purpose of assessing the performance score
  • Peripheral absolute neutrophil count (ANC) >= 1000/mm\^3 (unsupported)
  • Platelet count >= 100,000/mm\^3 (transfusion independent, defined as not receiving platelet transfusions for at least 7 days prior to enrollment)
  • Hemoglobin >= 8 m/dL (may be supported)
  • International normalized ratio (INR) =\< 1.5
  • Creatinine clearance or radioisotope growth factor receptor (rGFR) >= 70 mL/min/1.73 m\^2 or a serum creatinine based on age/gender as follows:

    • 1 to \< 2 years: 0.6 (male), 0.6 (female)
    • 2 to \< 6 years: 0.8 (male), 0.8 (female)
    • 6 to \< 10 years: 1 (male), 1 (female)
    • 10 to \< 13 years: 1.2 (male), 1.2 (female)
    • 13 to \< 16 years: 1.5 (male), 1.4 (female)
    • >= 16 years: 1.7 (male), 1.4 (female)
  • Bilirubin (sum of conjugated + unconjugated) =\< 1.5 x upper limit of normal (ULN) for age
  • Serum glutamate pyruvate transaminase (SGPT) alanine aminotransferase (ALT) =\< 3 x ULN
  • Serum albumin >= 2 g/dL
  • Sodium, potassium, calcium and magnesium within 1.5 x institutional lower limit of normal (LLN) or ULN
  • Participants must have cholesterol level \< 350 mg/dL and triglycerides \< 400 mg/dL before starting therapy. In case one or both of these are exceeded, the participant can only be included after initiation of appropriate lipid lowering medication and documentation of cholesterol \< 350 mg/dL and triglycerides \< 400mg/dl before start of therapy
  • Participants with seizure disorder may be enrolled if well controlled. Participants must be on non-enzyme inducing anticonvulsants which are not excluded on study therapy
  • Participants with neurological deficits should have deficits that are stable for a minimum of 1 week prior to registration
  • Corrected QT (QTc) interval =\< 450 msecs
  • Left ventricular ejection fraction (LVEF) >= 50%
  • Pulse oximeter (Ox) > 93% on room air
  • Hypertension

    • Participants 3-17 years of age must have a blood pressure that is =\< 95th percentile for age, height, and gender at the time of registration
    • Participants who are >= 18 years of age must have a blood pressure that is \< 140/90 mm of Hg at the time of registration
  • Participants must agree to use adequate contraception: The effects of trametinib and everolimus on the developing human fetus are unknown. For this reason, women of child-bearing potential and males of child fathering potential must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry, for the duration of study participation and 4 months after completion of trametinib and everolimus administration. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately
  • Participants must also enroll in a separate observational study to examine the effects of cancer therapies on them, if it is open to accrual at their site of enrollment
  • A legal parent/guardian or participant must be able to understand, and willing to sign, a written informed consent and assent document, as appropriate per institutional guidelines

Exclusion criteria

Exclusion Criteria:

  • Participants that have received prior therapy with a MEK inhibitor in combination with an mTOR inhibitor
  • Participants who are receiving any other investigational agent for treatment of their tumor
  • History of allergic reactions attributed to compounds of similar chemical or biologic composition to everolimus or trametinib
  • Participants without available tissue from prior surgery. (If clinical comprehensive testing has already been performed, the requirement for submission of tissue may be waived after discussion and review of results with study chairs)
  • Participant is receiving any of the following medications within 7 days prior to enrollment (If participants require (re)initiation of these agents after enrollment and prior to start of therapy they will not be eligible to initiate study therapy):

    • Known strong inducers or inhibitors of CYP3A4/5, including enzyme inducing anti-convulsant drugs (EIACDs), grapefruit, grapefruit hybrids, pomelos, starfruit, and Seville oranges
    • Substrates of CYP3A4/5 with a narrow therapeutic index
    • Herbal preparations/medications (except for vitamins) including, but not limited to: St. John's wort, Kava, ephedra (ma huang), gingko biloba, dehydroepiandrosterone (DHEA), yohimbe, saw palmetto, black cohosh and ginseng. Participants should stop using all herbal medications at least 7 days prior to enrollment
    • As part of the enrollment/informed consent procedures, the participant and/or legal parent or guardian will be counseled on the risk of interactions with other agents, and what to do if new medications need to be prescribed or if the participant is considering a new over-the-counter medicine or herbal product
  • Women of childbearing potential who are pregnant or breast-feeding

    • Female participants of childbearing potential must have a negative serum or urine pregnancy test within 72 hours of enrollment AND within 72 hours prior to receiving the first dose of study medication. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required
  • Human immunodeficiency virus (HIV) positive participants will be ineligible if HIV therapy regimen has not been stable for at least 4 weeks or there is intent to change the regimen within 8 weeks following enrollment, or if they are severely immunocompromised
  • Participants with known hepatitis B or C are not eligible
  • Participants with any clinically significant unrelated systemic illness (serious infectious or significant cardiac, pulmonary, hepatic or other organ dysfunction), which in the opinion of the investigator would interfere with the study procedures or results
  • Participants with other factors that increase the risk of QT prolongation or arrhythmic events (e.g., heart failure, hypokalemia, family history of long QT interval syndrome) including heart failure that meets New York Heart Association (NYHA) class II or above are excluded
05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
50 participants (estimated)

Study arms

  • Experimental
    Treatment (trametinib, everolimus)

    Patients receive dosing per their assigned dose level. Treatment repeats every 28 days for up to 26 cycles in the absence of disease progression or unacceptable toxicity.

    Drug: Everolimus · Drug: Trametinib

Interventions

  • DrugEverolimus

    Given PO

    Also known as: 42-O-(2-Hydroxy)ethyl Rapamycin, Afinitor, Certican, RAD 001, RAD001, Votubia, Zortress

  • DrugTrametinib

    Given PO

    Also known as: GSK1120212, JTP-74057, MEK Inhibitor GSK1120212, Mekinist

06

What researchers measure

Primary outcomes

  1. Maximum tolerated dose (MTD) of trametinib in combination with everolimus for both continuous and intermittent dosing schedules

    We will employ the Bayesian optimal interval (BOIN) design to find the MTD for both continuous and intermittent dosing schedules. The BOIN design is implemented in a simple way similar to the traditional 3+3 design, but is more flexible and possesses superior operating characteristics that are comparable to those of the more complex model-based designs, such as the continual reassessment method (CRM).

    Time frame: Up to 28 days

  2. Incidence of adverse events for both continuous and intermittent dosing schedules

    Toxicities will be graded based on Common Terminology Criteria for Adverse Events (CTCAE) V5 .0 and followed for 30 days after last treatment or until resolution or returned to baseline values.

    Time frame: Up to 30 days after the last day of treatment

  3. Dose limiting toxicities (DLTs) of the combination for both continuous and intermittent dosing schedules

    Any treatment related adverse event during the first cycle of therapy that leads to a dose reduction or results in delay of treatment \> 7 days or which results in the permanent cessation of therapy will be considered dose limiting.

    Time frame: Up to 28 days

  4. Recommended phase 2 dose (RP2D)

    The RP2D rate is selected based on isotonic regression as specified in Liu and Yuan (2015). This computation is implemented by the shiny app "BOIN" available at http://www.trialdesign.org. Specifically, select as the RP2D the dose for which the isotonic estimate of the toxicity rate is closest to the target toxicity rate.

    Time frame: Up to 28 days

  5. Maximum Concentration (Cmax) of trametinib and everolimus

    Plasma trametinib and everolimus concentration-time data will be analyzed using a classic non-compartmental approach and/or population-based compartmental methods using non-linear mixed effects modeling. Individual pharmacokinetic parameters of interest after single and repeated doses (i.e., maximum plasma concentration Cmax from 0 to 24h will be calculated from the pharmacokinetic model. Trametinib and everolimus pharmacokinetics after single dose will be compared to trametinib and everolimus pharmacokinetics after repeated doses.

    Time frame: Up to 5 years

  6. Area Under the Curve (AUC) of trametinib and everolimus

    Plasma trametinib and everolimus concentration-time data will be analyzed using a classic non-compartmental approach and/or population-based compartmental methods using non-linear mixed effects modeling. Individual pharmacokinetic parameters of interest after single and repeated doses (i.e., area under the curve from 0 to 24h will be calculated from the pharmacokinetic model. Trametinib and everolimus pharmacokinetics after single dose will be compared to trametinib and everolimus pharmacokinetics after repeated doses.

    Time frame: Up to 5 years

07

Study locations

15 of 17 sites recruiting
  • University of Alabama at Birmingham, Children's of Alabama
    Birmingham, Alabama 35233, United States
    Recruiting
  • Children's Hospital Los Angeles
    Los Angeles, California 90027, United States
    • Ashley Margol, MD · Contact · amargol@chla.usc.edu · (323) 361- 8147
    • Ashley Margol, MD · Principal investigator
    • Tom Davidson, MD · Sub investigator
    Recruiting
  • University of California, San Diego Rady Children's Hospital
    San Diego, California 92123, United States
    Recruiting
  • University of California, San Francisco
    San Francisco, California 94143, United States
    • PNOC Operations · Contact · PNOC021@ucsf.edu · 415-502-1600
    • Sabine Mueller, MD, MPH · Contact · cancertrials@ucsf.edu · 877-827-3222
    • Sabine Mueller, MD, PhD, MAS · Principal investigator
    Recruiting
  • Children's National Medical Center
    Washington D.C., District of Columbia 20010, United States
    • Lindsay Kilburn, MD · Contact · lkilburn@cnmc.org · 202-476-5973
    • Lindsay Kilburn, MD · Principal investigator
    • Roger Packer, MD · Sub investigator
    Recruiting
  • University of Florida
    Gainesville, Florida 32610-0265, United States
    • Elias Sayour, MD, PhD · Contact · 352-294-8347
    Recruiting
  • Ann & Robert H. Lurie Children's Hospital of Chicago
    Chicago, Illinois 60611, United States
    Recruiting
  • Riley Hospital for Children
    Indianapolis, Indiana 46202, United States
    • Scott Coven, DO, MPH · Contact · scoven@iu.edu · 317-944-8784
    • Scott Coven, DO, MPH · Principal investigator
    • Daniel Runco, MD, MS · Sub investigator
    Recruiting
  • John Hopkins University
    Baltimore, Maryland 21287, United States
    • Kenneth Cohen, MD, MBA · Contact · kcohen@jhmi.edu · (410) 614-5055
    • Eric Raabe, MD, PhD · Contact · eraabe2@jhmi.edu · 410-502-5157
    • Kenneth Cohen, MD, MBA · Principal investigator
    • Eric Raabe, MD, PhD · Sub investigator
    Recruiting
  • Dana Farber Cancer Institute
    Boston, Massachusetts 02215, United States
    Withdrawn
  • Children's Minnesota
    Minneapolis, Minnesota 55404, United States
    • Anne Bendel, MD · Contact · anne.bendel@childrensmn.org · (612) 626-2778
    • Anne Bendel, MD · Principal investigator
    • Maggie Skrypek, MD · Sub investigator
    Recruiting
  • Washington University in St. Louis
    St Louis, Missouri 63110, United States
    Recruiting
  • Joseph M. Sanzari Children's Hospital at Hackensack University Medical Center
    Hackensack, New Jersey 07601, United States
    Recruiting
  • New York University
    New York, New York 10016, United States
    Recruiting
  • Doernbecher Children's Hospital Oregon Health & Science University
    Portland, Oregon 97239, United States
    Active, not recruiting
  • Children's Hospital of Philadelphia
    Philadelphia, Pennsylvania 19104, United States
    • Cassie Kline, MD, MAS · Contact · klinec@email.chop.edu · (267) 426- 5026
    • Cassie Kline, MD, MAS · Principal investigator
    • Jane Mintrum, MD, PhD · Sub investigator
    Recruiting
  • University Of Texas Southwestern Medical Center
    Dallas, Texas 75235, United States
    Recruiting
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 18, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04485559
Lead sponsor
University of California, San Francisco
Collaborators
Novartis Pharmaceuticals, Pediatric Brain Tumor Foundation, The Lilabean Foundation for Pediatric Brain Cancer Research
Responsible party
Sabine Mueller, MD, PhD (Principal Investigator, University of California, San Francisco) — Principal investigator
First posted
Jul 24, 2020
Start date
Dec 9, 2020
Primary completion
Dec 31, 2027 (estimated)
Completion
Dec 31, 2027 (estimated)
Last update
Aug 18, 2026

Study contacts

PNOC Operations
Contact
PNOC021@ucsf.edu
415-502-1600
Sabine Mueller, MD, PhD, MAS
Contact
cancertrials@ucsf.edu
877-827-3222
Sabine Mueller
principal investigator · University of California, San Francisco

Oversight

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

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