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Trial · NCT02684058

Study of Efficacy and Safety of Dabrafenib in Combination With Trametinib in Pediatric Patients With BRAF V600 Mutation Positive LGG or Relapsed or Refractory HGG Tumors

NCT02684058, Phase 2, Completed, Novartis Pharmaceuticals; results first posted 2023-05-19

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Study of Efficacy and Safety of Dabrafenib in Combination With Trametinib in Pediatric Patients With BRAF V600 Mutation Positive LGG or Relapsed or Refractory HGG Tumors. Trials, record NCT02684058. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT02684058

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Study of Efficacy and Safety of Dabrafenib in Combination With Trametinib in Pediatric Patients With BRAF V600 Mutation Positive LGG or Relapsed or Refractory HGG Tumors
NCT number
NCT02684058
Status
Completed
Phases
Phase 2
Enrollment
151 participants, actual
Lead sponsor
Novartis Pharmaceuticals
Conditions
Diffuse Astrocytoma, Anaplastic Astrocytoma, Astrocytoma, Oligodendroglioma, Childhood, Anaplastic Oligodendroglioma, Glioblastoma, Pilocytic Astrocytoma, Giant Cell Astrocytoma, Pleomorphic Xanthoastrocytoma, Anaplastic Pleomorphic Xanthoastrocytoma, Angiocentric Glioma, Chordoid Glioma of Third Ventricle, Gangliocytoma, Ganglioglioma, Anaplastic Ganglioglioma, Dysplastic Gangliocytoma of Cerebrellum, Desmoplastic Infantile Astrocytoma and Ganglioglioma, Papillary Glioneuronal Tumor, Rosette-forming Glioneurona Tumor, Central Neurocytoma, Extraventricular Neurocytoma, Cerebellar Iponeurocytoma
Interventions
Dabrafenib, trametinib, Carboplatin, Vincristine
First posted
2016-02-17
Last updated
2023-12-13
Other registries' IDs
eudract:2015-004015-20
Results first posted
2023-05-19

Source ClinicalTrials.gov

Registered outcomes48

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryLGG Cohort: Overall Response Rate (ORR) by Central Independent Assessment Using Response Assessment in Neuro-Oncology (RANO) CriteriaUp to approximately (approx.) 3 years
Percentage of participants in the LGG cohort with a best overall confirmed Complete Response (CR) or Partial Response (PR) as assessed per RANO criteria by central independent assessment. The 95% confidence intervals (CIs) were computed using two-sided exact binomial method. CR: Complete disappearance of all enhancing measurable and nonmeasurable disease sustained for at least 4 weeks; no new lesions; and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be off steroids or only on physiologic replacement doses. PR: ≥ 50% reduction, compared to baseline, in the sum of products of the perpendicular diameters for all measurable lesions for at least 4 weeks, no progression of nonmeasureable disease, no new lesions, and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be on a corticosteroid dose not greater than the dose at the time of baseline scan and be stable or improving clinically.
PrimaryHGG Cohort: Overall Response Rate (ORR) by Central Independent Assessment Using RANO CriteriaUp to approx. 3.2 years
Percentage of participants in the HGG cohort with a best overall confirmed CR or PR as assessed per RANO criteria by central independent assessment. The 95% CIs were computed using two-sided exact binomial method. CR: Complete disappearance of all enhancing measurable and nonmeasurable disease sustained for at least 4 weeks; no new lesions; and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be off steroids or only on physiologic replacement doses. PR: ≥ 50% reduction, compared to baseline, in the sum of products of the perpendicular diameters for all measurable lesions for at least 4 weeks, no progression of nonmeasureable disease, no new lesions, and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be on a corticosteroid dose not greater than the dose at the time of baseline scan and be stable or improving clinically.
SecondaryLGG Cohort: ORR by Investigator Assessment Using RANO CriteriaUp to approx. 3 years and up to approx 4.2 years
Percentage of participants in the LGG cohort with a best overall confirmed CR or PR as assessed per RANO criteria by investigator assessment. The 95% CIs were computed using two-sided exact binomial method. CR: Complete disappearance of all enhancing measurable and nonmeasurable disease sustained for at least 4 weeks; no new lesions; and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be off steroids or only on physiologic replacement doses. PR: ≥ 50% reduction, compared to baseline, in the sum of products of the perpendicular diameters for all measurable lesions for at least 4 weeks, no progression of nonmeasureable disease, no new lesions, and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be on a corticosteroid dose not greater than the dose at the time of baseline scan and be stable or improving clinically.
SecondaryLGG Cohort: Kaplan-Meier Estimates of Duration of Response (DOR) as Per Central Independent Assessment Using RANO CriteriaUp to approx. 3 years and up to approx 4.2 years
Time from first documented response (PR or CR) until disease progression or death as per RANO criteria. Confidence Intervals were estimated using the Brookmeyer Crowley method. Patients who had not progressed or died or had received further anticancer therapy, were censored at the date of the last adequate tumor evaluation. CR: Complete disappearance of all enhancing measurable and nonmeasurable disease sustained for at least 4 weeks; no new lesions; and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be off steroids or only on physiologic replacement doses. PR: ≥ 50% reduction, compared to baseline, in the sum of products of the perpendicular diameters for all measurable lesions for at least 4 weeks, no progression of nonmeasureable disease, no new lesions, and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be on a corticosteroid dose not greater than the dose at the time of baseline scan and be stable or improving clinically.
SecondaryLGG Cohort: Kaplan-Meier Estimates of Duration of Response (DOR) as Per Investigator Assessment Using RANO CriteriaUp to approx. 3 years and up to approx 4.2 years
Time from first documented response (PR or CR) until disease progression or death as per RANO criteria. Confidence Intervals were estimated using the Brookmeyer Crowley method. Patients who had not progressed or died or had received further anticancer therapy, were censored at the date of the last adequate tumor evaluation. CR: Complete disappearance of all enhancing measurable and nonmeasurable disease sustained for at least 4 weeks; no new lesions; and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be off steroids or only on physiologic replacement doses. PR: ≥ 50% reduction, compared to baseline, in the sum of products of the perpendicular diameters for all measurable lesions for at least 4 weeks, no progression of nonmeasureable disease, no new lesions, and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be on a corticosteroid dose not greater than the dose at the time of baseline scan and be stable or improving clinically.
SecondaryLGG Cohort: Kaplan-Meier Progression-Free Survival (PFS) as Per Central Independent Assessment Using RANO CriteriaUp to approx. 3 years and up to approx 4.2 years
Time from the date of randomization to the date of first documented disease progression as per central independent review assessment using RANO criteria or death due to any cause. Confidence Intervals were estimated using the Brookmeyer Crowley method. Patients who had not progressed or died or had received further anticancer therapy were censored at the date of the last adequate tumor evaluation.
SecondaryLGG Cohort: Kaplan-Meier Progression-Free Survival (PFS) as Per Investigator Assessment Using RANO CriteriaUp to approx. 3 years and up to approx 4.2 years
Time from the date of randomization to the date of first documented disease progression as per investigator assessment using RANO criteria or death due to any cause. Confidence Intervals were estimated using the Brookmeyer Crowley method. Patients who had not progressed or died or had received further anticancer therapy were censored at the date of the last adequate tumor evaluation.
SecondaryLGG Cohort: Kaplan-Meier Estimates of Time to Response (TTR) as Per Central Independent Assessment Using RANO CriteriaUp to approx. 4.2 years
Time from randomization to first documented response of CR or PR as per central independent assessment using RANO criteria. CIs were estimated using the Brookmeyer Crowley method. Patients without an event were censored either at the maximum follow-up time (if they experienced disease progression or death), or at their last tumor assessment date. CR: Complete disappearance of all enhancing measurable and nonmeasurable disease sustained for at least 4 weeks; no new lesions; and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be off steroids or only on physiologic replacement doses. PR: ≥ 50% reduction, compared to baseline, in the sum of products of the perpendicular diameters for all measurable lesions for at least 4 weeks, no progression of nonmeasureable disease, no new lesions, and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be on a corticosteroid dose not greater than the dose at the time of baseline scan and be stable or improving clinically.
SecondaryLGG Cohort: Kaplan-Meier Estimates of Time to Response (TTR) as Per Investigator Assessment Using RANO CriteriaUp to approx. 4.2 years
Time from randomization to first documented response of CR or PR as per investigator assessment using RANO criteria. CIs were estimated using the Brookmeyer Crowley method. Patients without an event were censored either at the maximum follow-up time (if they experienced disease progression or death), or at their last tumor assessment date. CR: Complete disappearance of all enhancing measurable and nonmeasurable disease sustained for at least 4 weeks; no new lesions; and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be off steroids or only on physiologic replacement doses. PR: ≥ 50% reduction, compared to baseline, in the sum of products of the perpendicular diameters for all measurable lesions for at least 4 weeks, no progression of nonmeasureable disease, no new lesions, and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be on a corticosteroid dose not greater than the dose at the time of baseline scan and be stable or improving clinically.
SecondaryLGG Cohort: Clinical Benefit Rate (CBR) by Central Independent Assessment Using RANO CriteriaUp to approx. 4.2 years
Percentage of participants with a best overall response of CR or PR, or stable disease (SD) which lasts for 24 weeks or longer. CR: Complete disappearance of all enhancing measurable and nonmeasurable disease sustained for at least 4 weeks; no new lesions; and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be off steroids or only on physiologic replacement doses. PR: ≥ 50% reduction, compared to baseline, in the sum of products of the perpendicular diameters for all measurable lesions for at least 4 weeks, no progression of nonmeasureable disease, no new lesions, and stable or improved nonenhancing (T2/FLAIR) lesions. Patient must be on a corticosteroid dose not greater than the dose at the time of baseline scan and be stable or improving clinically. SD: Partient did not qualify for CR, PR, or progressive disease and has stable nonenhancing (T2/FLAIR) lesions on same or lower doses of corticosteroids compared with baseline scan and clinically stable status.

Outcomes49

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYLGG Cohort: Overall Response Rate (ORR) by Central Independent Assessment Using Response Assessment in Neuro-Oncology (RANO) CriteriaUp to approximately (approx.) 3 years
All participants on the LGG cohort to whom study treatment had been assigned by randomization regardless of whether or not treatment was administered. According to the intent to treat principle, patients were analyzed according to the treatment they had been assigned to during the randomization procedure.
Percentage of participantsNUMBER
PRIMARYHGG Cohort: Overall Response Rate (ORR) by Central Independent Assessment Using RANO CriteriaUp to approx. 3.2 yearsAll participants on the HGG cohort to whom study treatment had been assigned and who received at least one dose of study treatment.Percentage of participantsNUMBER
SECONDARYLGG Cohort: ORR by Investigator Assessment Using RANO CriteriaUp to approx. 3 years and up to approx 4.2 years
All participants on the LGG cohort to whom study treatment had been assigned by randomization regardless of whether or not treatment was administered. According to the intent to treat principle, patients were analyzed according to the treatment they had been assigned to during the randomization procedure.
Percentage of participantsNUMBER
SECONDARYLGG Cohort: Kaplan-Meier Estimates of Duration of Response (DOR) as Per Central Independent Assessment Using RANO CriteriaUp to approx. 3 years and up to approx 4.2 years
Participants on the LGG cohort to whom study treatment had been assigned by randomization regardless of whether or not treatment was administered with a confirmed CR or PR as per central independent review assessment using RANO criteria. According to the intent to treat principle, patients were analyzed according to the treatment they had been assigned to during the randomization procedure.
MonthsMEDIAN
SECONDARYLGG Cohort: Kaplan-Meier Estimates of Duration of Response (DOR) as Per Investigator Assessment Using RANO CriteriaUp to approx. 3 years and up to approx 4.2 years
Participants on the LGG cohort to whom study treatment had been assigned by randomization regardless of whether or not treatment was administered with a confirmed CR or PR as per investigator review assessment using RANO criteria. According to the intent to treat principle, patients were analyzed according to the treatment they had been assigned to during the randomization procedure.
MonthsMEDIAN
SECONDARYLGG Cohort: Kaplan-Meier Progression-Free Survival (PFS) as Per Central Independent Assessment Using RANO CriteriaUp to approx. 3 years and up to approx 4.2 years
Participants on the LGG cohort to whom study treatment had been assigned by randomization regardless of whether or not treatment was administered. According to the intent to treat principle, patients were analyzed according to the treatment they had been assigned to during the randomization procedure.
MonthsMEDIAN
SECONDARYLGG Cohort: Kaplan-Meier Progression-Free Survival (PFS) as Per Investigator Assessment Using RANO CriteriaUp to approx. 3 years and up to approx 4.2 years
Participants on the LGG cohort to whom study treatment had been assigned by randomization regardless of whether or not treatment was administered. According to the intent to treat principle, patients were analyzed according to the treatment they had been assigned to during the randomization procedure.
MonthsMEDIAN
SECONDARYLGG Cohort: Kaplan-Meier Estimates of Time to Response (TTR) as Per Central Independent Assessment Using RANO CriteriaUp to approx. 4.2 years
Participants on the LGG cohort to whom study treatment had been assigned by randomization regardless of whether or not treatment was administered. According to the intent to treat principle, patients were analyzed according to the treatment they had been assigned to during the randomization procedure.
MonthsMEDIAN
SECONDARYLGG Cohort: Kaplan-Meier Estimates of Time to Response (TTR) as Per Investigator Assessment Using RANO CriteriaUp to approx. 4.2 years
Participants on the LGG cohort to whom study treatment had been assigned by randomization regardless of whether or not treatment was administered. According to the intent to treat principle, patients were analyzed according to the treatment they had been assigned to during the randomization procedure.
MonthsMEDIAN
SECONDARYLGG Cohort: Clinical Benefit Rate (CBR) by Central Independent Assessment Using RANO CriteriaUp to approx. 4.2 years
All participants on the LGG cohort to whom study treatment had been assigned by randomization regardless of whether or not treatment was administered. According to the intent to treat principle, patients were analyzed according to the treatment they had been assigned to during the randomization procedure.
Percentage of participantsNUMBER

Results by group401

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
LGG Cohort: Overall Response Rate (ORR) by Central Independent Assessment Using Response Assessment in Neuro-Oncology (RANO) CriteriaLGG Cohort: Dabrafenib and Trametinib46.695% Confidence Interval 34.8 to 58.6Percentage of participants
LGG Cohort: Overall Response Rate (ORR) by Central Independent Assessment Using Response Assessment in Neuro-Oncology (RANO) CriteriaLGG Cohort: Carboplatin and Vincristine10.895% Confidence Interval 3.0 to 25.4Percentage of participants
HGG Cohort: Overall Response Rate (ORR) by Central Independent Assessment Using RANO CriteriaHGG Cohort: Dabrafenib and Trametinib56.195% Confidence Interval 39.7 to 71.5Percentage of participants
LGG Cohort: ORR by Investigator Assessment Using RANO CriteriaLGG Cohort: Dabrafenib and TrametinibUp to approx. 3 years54.895% Confidence Interval 42.7 to 66.5Percentage of participants
LGG Cohort: ORR by Investigator Assessment Using RANO CriteriaLGG Cohort: Carboplatin and VincristineUp to approx. 3 years13.595% Confidence Interval 4.5 to 28.8Percentage of participants
LGG Cohort: ORR by Investigator Assessment Using RANO CriteriaLGG Cohort: Dabrafenib and TrametinibUp to approx. 4.2 years58.995% Confidence Interval 46.8 to 70.3Percentage of participants
LGG Cohort: ORR by Investigator Assessment Using RANO CriteriaLGG Cohort: Carboplatin and VincristineUp to approx. 4.2 years18.995% Confidence Interval 8.0 to 35.2Percentage of participants
LGG Cohort: Kaplan-Meier Estimates of Duration of Response (DOR) as Per Central Independent Assessment Using RANO CriteriaLGG Cohort: Dabrafenib and TrametinibUp to approx. 3 years20.395% Confidence Interval 12.0 to NAMonths
LGG Cohort: Kaplan-Meier Estimates of Duration of Response (DOR) as Per Central Independent Assessment Using RANO CriteriaLGG Cohort: Carboplatin and VincristineUp to approx. 3 yearsNA95% Confidence Interval 6.6 to NAMonths
LGG Cohort: Kaplan-Meier Estimates of Duration of Response (DOR) as Per Central Independent Assessment Using RANO CriteriaLGG Cohort: Dabrafenib and TrametinibUp to approx 4.2 years30.095% Confidence Interval 16.6 to NAMonths

Participant flow39

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Treatment PeriodSTARTEDLGG Cohort: Dabrafenib and Trametinib73
Treatment PeriodSTARTEDLGG Cohort: Carboplatin and Vincristine37
Treatment PeriodSTARTEDHGG Cohort: Dabrafenib and Trametinib41
Treatment PeriodTreatedLGG Cohort: Dabrafenib and Trametinib73
Treatment PeriodTreatedLGG Cohort: Carboplatin and Vincristine33
Treatment PeriodTreatedHGG Cohort: Dabrafenib and Trametinib41
Treatment PeriodCOMPLETEDLGG Cohort: Dabrafenib and Trametinib56
Treatment PeriodCOMPLETEDLGG Cohort: Carboplatin and Vincristine14
Treatment PeriodCOMPLETEDHGG Cohort: Dabrafenib and Trametinib17
Treatment PeriodNOT COMPLETEDLGG Cohort: Dabrafenib and Trametinib17

Adverse events2,072

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherAnaemiaBlood and lymphatic system disordersHGG Cohort: Dabrafenib and Trametinib (On-treatment)441
otherAnaemiaBlood and lymphatic system disordersHGG Cohort: Dabrafenib and Trametinib (Post-treatment Follow-up)0
otherAnaemiaBlood and lymphatic system disordersLGG Cohort: Dabrafenib and Trametinib (On-treatment)1473
otherAnaemiaBlood and lymphatic system disordersLGG Cohort: Dabrafenib and Trametinib (Post-treatment Follow-up)0
otherAnaemiaBlood and lymphatic system disordersLGG Cohort: Carboplatin and Vincristine (On-treatment)2033
otherAnaemiaBlood and lymphatic system disordersLGG Cohort: Carboplatin and Vincristine (Post-treatment Follow-up)0
otherAnaemiaBlood and lymphatic system disordersLGG Cohort: Carboplatin and Vincristine (Crossover On-treatment)012
otherAnaemiaBlood and lymphatic system disordersLGG Cohort: Carboplatin and Vincristine (Crossover Post-treatment Follow-up)0
otherLeukopeniaBlood and lymphatic system disordersHGG Cohort: Dabrafenib and Trametinib (On-treatment)341
otherLeukopeniaBlood and lymphatic system disordersHGG Cohort: Dabrafenib and Trametinib (Post-treatment Follow-up)0

Adverse event totals24

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityHGG Cohort: Dabrafenib and Trametinib (On-treatment)641
Total, all-cause mortalityHGG Cohort: Dabrafenib and Trametinib (Post-treatment Follow-up)1113
Total, all-cause mortalityLGG Cohort: Dabrafenib and Trametinib (On-treatment)073
Total, all-cause mortalityLGG Cohort: Dabrafenib and Trametinib (Post-treatment Follow-up)011
Total, all-cause mortalityLGG Cohort: Carboplatin and Vincristine (On-treatment)033
Total, all-cause mortalityLGG Cohort: Carboplatin and Vincristine (Post-treatment Follow-up)016
Total, all-cause mortalityLGG Cohort: Carboplatin and Vincristine (Crossover On-treatment)112
Total, all-cause mortalityLGG Cohort: Carboplatin and Vincristine (Crossover Post-treatment Follow-up)00
Total, other adverse eventsHGG Cohort: Dabrafenib and Trametinib (On-treatment)4141
Total, other adverse eventsHGG Cohort: Dabrafenib and Trametinib (Post-treatment Follow-up)00

Papers5

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
34331515DERIVEDPubMed
37610803DERIVEDPubMed
37643378DERIVEDPubMed
37733309DERIVEDPubMed
41740060DERIVEDPubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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