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PLX4032

Phase 1

Malignant Melanoma | Small molecule | Other |Roche Holding AG|Last Updated: Aug 22, 2017

Development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Nov 2006

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment109

FDA Designations

No designations recorded

Clinical trial landscape

PLX4032 · 1 trial · 2 indications

Phase 1 1
NCT00405587Safety Study of PLX4032 in Patients With Solid TumorsMalignant Melanoma
COMPLETED109 Analytics
PHASE1COMPLETED
Safety Study of PLX4032 in Patients With Solid Tumors
Malignant MelanomaUnlock trial analytics

Study Endpoints

Primary Endpoints

Area Under the Plasma Concentration-Time Curve (AUC) of RO5185426 on Day 1 - Dose Escalation: Original Formulation
Pre-morning dose and at 0.5, 1, 2, 4, and 8, and 24 hours post-morning dose

AUC (0-8 hour) was defined as the area under the plasma concentration-time curve from time equals zero (0) to 8 hours post-dose. AUC (0-24 hour) was defined as the area under the plasma concentration-time curve from time equals 0 to 24 hours post-dose. AUC (0-8 hour) and AUC (0-24 hour) were computed using the linear trapezoidal rule.

Area Under the Plasma Concentration-Time Curve (AUC) of RO5185426 on Day 15 - Dose Escalation: Original Formulation
Pre-morning dose and at 0.5, 1, 2, 4, and 8, and 24 hours post-morning dose

AUC (0-8 hour) was defined as the area under the plasma concentration-time curve from time equals 0 to 8 hours post-dose. AUC (0-24 hour) was defined as the area under the plasma concentration-time curve from time equals 0 to 24 hours post-dose. AUC (0-8 hour) and AUC (0-24 hour) were computed using the linear trapezoidal rule.

Peak Concentration (Cmax) of RO5185426 on Day 1 - Dose Escalation: Original Formulation
Pre-morning dose and at 0.5, 1, 2, 4, and 8 hours post-morning dose on Day 1, pre-morning dose on Day 2 and Day 8
Peak Concentration (Cmax) of RO5185426 on Day 15 - Dose Escalation: Original Formulation
Pre-morning dose and at 0.5, 1, 2, 4, and 8 hours post-morning dose on Day 15, pre-morning dose on Day 16
Time to Peak Concentration (Tmax) of RO5185426 on Day 1 - Dose Escalation: Original Formulation
Pre-morning dose, 0.5, 1, 2, 4, and 8 hour post-morning dose on Day 1, pre-morning dose on Day 2 and Day 8
Time to Peak Concentration (Tmax) of RO5185426 on Day 15 - Dose Escalation: Original Formulation
Pre-morning dose, 0.5, 1, 2, 4, and 8 hour post-morning dose on Day 15, pre-morning dose on Day 16
AUC of RO5185426 on Day 1 - Dose Escalation: MBP Formulation
Pre-morning dose and at 0.5, 1, 2, 4, and 8, and 24 hours post-morning dose

AUC (0-8 hour) was defined as the area under the plasma concentration-time curve from time equals zero (0) to 8 hours post-dose. AUC (0-24 hour) was defined as the area under the plasma concentration-time curve from time equals 0 to 24 hours post-dose. AUC (0-8 hour) and AUC (0-24 hour) were computed using the linear trapezoidal rule.

AUC of RO5185426 on Day 15 - Dose Escalation: MBP Formulation
Pre-morning dose and at 0.5, 1, 2, 4, and 8, and 24 hours post-morning dose

AUC (0-8 hour) was defined as the area under the plasma concentration-time curve from time equals zero (0) to 8 hours post-dose. AUC (0-24 hour) was defined as the area under the plasma concentration-time curve from time equals 0 to 24 hours post-dose. AUC (0-8 hour) and AUC (0-24 hour) were computed using the linear trapezoidal rule.

Mean RO5185426 Accumulation Ratios - Dose Escalation: MBP Formulation
Day 1 and Day 15: pre-morning dose and at 0.5, 1, 2, 4, and 8 hours post-morning dose

Accumulation ratio is the ratio of AUC (0-8 hour) on Day 15 / AUC (0-8 hour) on Day 1.

Mean RO5185426 Accumulation Ratios - Extension: BRAFV600E- Positive Melanoma and BRAFV600E- Positive CRC
Day 1 and Day 15: pre-morning dose and at 0.5, 1, 2, 4, and 8 hours post-morning dose

Accumulation ratio is the ratio of AUC (0-8 hour) on Day 15 / AUC (0-8 hour) on Day 1.

Cmax of RO5185426 on Day 1 - Dose Escalation: MBP Formulation
Pre-morning dose, 0.5, 1, 2, 4, and 8 hour post-morning dose on Day 1, pre-morning dose on Day 2 and Day 8
Cmax of RO5185426 on Day 15 - Dose Escalation: MBP Formulation
Pre-morning dose, 0.5, 1, 2, 4, and 8 hour post-morning dose on Day 15, and pre-morning dose on Day 16
Tmax of RO5185426 on Day 1 - Dose Escalation: MBP Formulation
Pre-morning dose, 0.5, 1, 2, 4, and 8 hour post-morning dose on Day 1, pre-morning dose on Day 2 and Day 8
Tmax of RO5185426 on Day 15 - Dose Escalation: MBP Formulation
Pre-morning dose, 0.5, 1, 2, 4, and 8 hour post-morning dose on Day 15, and pre-morning dose on Day 16
AUC of RO5185426 on Day 1 - Extension: BRAFV600E- Positive Melanoma and BRAFV600E- Positive CRC
Pre-morning dose and at 0.5, 1, 2, 4, and 8, and 24 hours post-morning dose

AUC (0-8 hour) was defined as the area under the plasma concentration-time curve from time equals zero (0) to 8 hours post-dose. AUC (0-24 hour) was defined as the area under the plasma concentration-time curve from time equals 0 to 24 hours post-dose. AUC (0-8 hour) and AUC (0-24 hour) were computed using the linear trapezoidal rule.

AUC of RO5185426 on Day 15 - Extension: BRAFV600E- Positive Melanoma and BRAFV600E- Positive CRC
Pre-morning dose and at 0.5, 1, 2, 4, and 8, and 24 hours post-morning dose

AUC (0-8 hour) was defined as the area under the plasma concentration-time curve from time equals 0 to 8 hours post-dose. AUC (0-24 hour) was defined as the area under the plasma concentration-time curve from time equals 0 to 24 hours post-dose. AUC (0-8 hour) and AUC (0-24 hour) were computed using the linear trapezoidal rule.

Cmax of RO5185426 on Day 1 - Extension: BRAFV600E- Positive Melanoma and BRAFV600E- Positive CRC
Pre-morning dose, 0.5, 1, 2, 4, and 8 hour post-morning dose on Day 1, pre-morning dose on Day 2 and Day 8
Cmax of RO5185426 on Day 15 - Extension: BRAFV600E- Positive Melanoma and BRAFV600E- Positive CRC
Pre-morning dose, 0.5, 1, 2, 4, and 8 hour post-morning dose on Day 15 and pre-morning dose on Day 16
Tmax of RO5185426 on Day 1 - Extension: BRAFV600E- Positive Melanoma and BRAFV600E- CRC
Pre-morning dose, 0.5, 1, 2, 4, and 8 hour post-morning dose on Day 1, pre-morning dose on Day 2 and Day 8
Tmax of RO5185426 on Day 15 - Extension: BRAFV600E- Positive Melanoma and BRAFV600E- CRC
Pre-morning dose, 0.5, 1, 2, 4, and 8 hour post-morning dose on Day 15, and pre-morning dose on Day 16
Percentage of Participants With a Confirmed and an Unconfirmed Best Overall Response (BOR) of Complete Response (CR) or Partial Response (PR) According to RECIST Version (v) 1.0 - Extension: BRAFV600E- Positive Melanoma
Screening, BL, until PD, or end of efficacy follow-up, up to data cutoff (up to 337 days)

BOR of confirmed /unconfirmed (total) response was defined as CR or PR recorded from baseline until disease progression/recurrence according to Response Evaluation Criteria In Solid Tumors (RECIST) v 1.0 criteria. For target lesions (TLs), CR was defined as the disappearance of all TLs, and PR was defined as at least a 30 percent (%) decrease in the sum of longest diameters of the TLs, taking as a reference the baseline (BL) sum of longest diameters. For non-target lesions (NTLs), CR was defined as the disappearance of all NTLs and normalization of tumor marker levels. Confirmed responses were those which were confirmed by repeat assessments performed no less than four weeks after the criteria for response are first met. Percentage of participants with best overall response rate was calculated as the (number of participants with CR or PR) divided by (total number of participants in the cohort), and then multiplied by 100. The 95% Cl was determined using the Pearson-Clopper method.

Percentage of Participants With BOR of CR or PR According to RECIST v1.0 - Extension: BRAFV600E- Positive CRC
Screening, BL, until PD, or end of efficacy follow-up, up to data cutoff (up to 337 days)

BOR of CR or PR was recorded from baseline until disease progression/recurrence according to RECIST v 1.0 criteria. For TLs, CR was defined as the disappearance of all TLs, and PR was defined as at least a 30% decrease in the sum of longest diameters of the TLs, taking as a reference the BL sum of longest diameters. For NTLs, CR was defined as the disappearance of all NTLs and normalization of tumor marker levels. Confirmed responses were those which were confirmed by repeat assessments performed no less than four weeks after the criteria for response are first met Percentage of participants with best overall response rate was calculated as the (number of participants with CR or PR) divided by (total number of participants in the cohort), and then multiplied by 100. The 95% Cl was determined using the Pearson-Clopper method.

Percentage of Participants With BOR of CR or PR According to RECIST v1.0 - Dose Escalation: Original Formulation
Screening, BL, until PD, or end of efficacy follow-up, up to data cutoff (up to 337 days)

BOR of CR or PR was recorded from baseline until disease progression/recurrence according to RECIST v 1.0 criteria. For TLs, CR was defined as the disappearance of all TLs, and PR was defined as at least a 30% decrease in the sum of longest diameters of the TLs, taking as a reference the BL sum of longest diameters. For NTLs, CR was defined as the disappearance of all NTLs and normalization of tumor marker levels. Percentage of participants with best overall response rate was calculated as the (number of participants with CR or PR) divided by (total number of participants in the cohort), and then multiplied by 100. The 95% Cl was determined using the Pearson-Clopper method.

Percentage of Participants With BOR of CR or PR According to RECIST v1.0 - Dose Escalation: MBP Formulation
Screening, BL, until PD, or end of efficacy follow-up, up to data cutoff (up to 337 days)

BOR of CR or PR was recorded from baseline until disease progression/recurrence according to RECIST v 1.0 criteria. For TLs, CR was defined as the disappearance of all TLs, and PR was defined as at least a 30% decrease in the sum of longest diameters of the TLs, taking as a reference the BL sum of longest diameters. For NTLs, CR was defined as the disappearance of all NTLs and normalization of tumor marker levels. Percentage of participants with best overall response rate was calculated as the (number of participants with CR or PR) divided by (total number of participants in the cohort), and then multiplied by 100. The 95% Cl was determined using the Pearson-Clopper method.

Secondary Endpoints

Duration of CR or PR Using RECIST v 1.0 - Extension BRAFV600E- Positive Melanoma
Screening, BL, until PD, or end of efficacy follow-up, up to data cutoff (up to 337 days)
Percentage of Participants With Progression-Free Survival (PFS) Using RECIST v 1.0 - Melanoma Extension Cohort
Month 1, 3, 4, 6, 9, and Last event (350) days
PFS Using RECIST v1.0 - Extension BRAFV600E Positive Melanoma
Screening, BL, until PD, or end of efficacy follow-up, up to data cutoff (up to 421 days)
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
PLX4032EXPERIMENTALOpen-label, sequential dose escalation

Interventions

NameTypeDescription
PLX4032DRUGOral capsules administered BID
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Eligibility Criteria

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

Inclusion Criteria: * Solid tumors confirmed histologically whose tumors are refractory to standard therapy, or for whom standard or curative therapy does not exist * Patients from whom paired melanoma biopsies are planned must have a V600E+ BRAF mutation confirmed prior to the administration of PL...

Countries:United StatesAustralia
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