Safety Study of PLX108-01 in Patients With Solid Tumors
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT01004861 |
Recruitment Status :
Completed
First Posted : October 30, 2009
Results First Posted : April 6, 2020
Last Update Posted : January 4, 2022
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Sponsor:
Daiichi Sankyo, Inc.
Collaborator:
Plexxikon
Information provided by (Responsible Party):
Daiichi Sankyo, Inc.
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Study Type | Interventional |
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Study Design | Allocation: N/A; Intervention Model: Single Group Assignment; Masking: None (Open Label); Primary Purpose: Treatment |
Condition |
Solid Tumor |
Intervention |
Drug: PLX3397 |
Enrollment | 132 |
Participant Flow
Recruitment Details | The dose escalation phase administered ascending daily oral doses of PLX3397 to patients with solid tumors and evaluated PK and toxicity. Once the recommended phase 2 dose was reached, 6 extension cohorts were enrolled, consisting of a variety of tumor types. |
Pre-assignment Details | At least 3 participants and up to 6 participants were to be enrolled in each dose level using 100% dose increments for each level in the absence of Grade 2 or greater drug-attributable toxicity. Dose escalation was only permitted if adequate safety and tolerability were observed at the previous lower dose for 28 days for the first 3 participants. |
Arm/Group Title | Dose Escalation Cohort 1: 200 mg QD | Dose Escalation Cohort 2: 300 mg QD | Dose Escalation Cohort 3: 400 mg QD | Dose Escalation Cohort 4: 600 mg QD | Dose Escalation Cohort 5: 900 mg/Day (500mg AM, 400mg PM) | Dose Escalation Cohort 6: 1200 mg/Day (600mg BID) | Dose Escalation Cohort 7: 1000 mg/Day (500mg BID) | Dose Extension: MEC Cohort 1000 mg/Day (600mg AM, 400mg PM) | Dose Extension: PVNS Cohort PVNS Cohort 1000 mg/Day (600mg AM, 400mg PM) | Dose Extension: GIST Cohort 1000 mg/Day (600mg AM, 400mg PM) | Dose Extension: ATC Cohort 1000 mg/Day (600mg AM, 400mg PM) | Dose Extension: Malignant Effusion Cohort 1000 mg/Day (600mg AM, 400mg PM) | Dose Extension: Other Tumors 1000 mg/Day (600mg AM, 400mg PM) |
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Participants with advanced, incurable, solid tumors who received PLX3397 200 mg QD. | Participants with advanced, incurable, solid tumors who received PLX3397 300 mg QD. | Participants with advanced, incurable, solid tumors who received PLX3397 400 mg QD. | Participants with advanced, incurable, solid tumors who received PLX3397 600 mg QD. | Participants with advanced, incurable, solid tumors who received PLX3397 900 mg/day. | Participants with advanced, incurable, solid tumors who received PLX3397 1200 mg/day. | Participants with advanced, incurable, solid tumors who received PLX3397 1000 mg/day. | Participants with advanced or recurrent mucoepidermoid carcinoma (MEC) who received PLX3397. | Participants with advanced pigmented villonodular synovitis (PVNS) who received PLX3397. | Participants with advanced gastrointestinal stromal tumor (GIST) who received PLX3397. | Participants with anaplastic thyroid carcinoma (ATC) who received PLX3397. | Participants with advanced solid tumors with malignant effusion who received PLX3397. | Participants with other solid tumor types who received PLX3397. |
Period Title: Overall Study | |||||||||||||
Started | 3 | 6 | 6 | 6 | 7 | 6 | 7 | 4 | 39 | 11 | 9 | 8 | 20 |
Completed | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Not Completed | 3 | 6 | 6 | 6 | 7 | 6 | 7 | 4 | 39 | 11 | 9 | 8 | 20 |
Reason Not Completed | |||||||||||||
Disease progression | 3 | 4 | 5 | 4 | 4 | 4 | 5 | 1 | 4 | 7 | 6 | 3 | 8 |
Physician Decision | 0 | 2 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 |
Adverse Event | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 13 | 1 | 1 | 0 | 2 |
Protocol Violation | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Lost to Follow-up | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 1 | 0 |
Non-compliance | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 1 |
Other | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 3 |
Patient decision | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 7 | 1 | 1 | 2 | 3 |
Transitioned to Phase 4 study | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
Patient completed 12-week follow-up and continued on commercially approved drug | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Patient withdrew | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Surgical resection | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Patient maintained complete response status throughout drug holiday | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Study termination by Sponsor | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Baseline Characteristics
Arm/Group Title | Dose Escalation Cohort 1: 200 mg QD | Dose Escalation Cohort 2: 300 mg QD | Dose Escalation Cohort 3: 400 mg QD | Dose Escalation Cohort 4: 600 mg QD | Dose Escalation Cohort 5: 900 mg/Day | Dose Escalation Cohort 6: 1200 mg/Day | Dose Escalation Cohort 7: 1000 mg/Day | Dose Extension: MEC Cohort | Dose Extension: PVNS Cohort | Dose Extension: GIST Cohort | Dose Extension: ATC Cohort | Dose Extension: Malignant Effusion Cohort | Dose Extension: Other Solid Tumor Type Cohort | Total | |
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Participants with advanced, incurable, solid tumors who received PLX3397 200 mg QD. | Participants with advanced, incurable, solid tumors who received PLX3397 300 mg QD. | Participants with advanced, incurable, solid tumors who received PLX3397 400 mg QD. | Participants with advanced, incurable, solid tumors who received PLX3397 600 mg QD. | Participants with advanced, incurable, solid tumors who received PLX3397 900 mg/day. | Participants with advanced, incurable, solid tumors who received PLX3397 1200 mg/day. | Participants with advanced, incurable, solid tumors who received PLX3397 1000 mg/day. | Participants with advanced mucoepidermoid carcinoma (MEC) who received PLX3397. | Participants with advanced pigmented villonodular synovitis (PVNS) who received PLX3397. | Participants with advanced gastrointestinal stromal tumor (GIS) who received PLX3397. | Participants with anaplastic thyroid carcinoma (ATC) who received PLX3397. | Participants with advanced solid tumors with malignant effusion who received PLX3397. | Participants with other solid tumor types who received PLX3397. | Total of all reporting groups | |
Overall Number of Baseline Participants | 3 | 6 | 6 | 6 | 7 | 6 | 7 | 4 | 39 | 11 | 9 | 8 | 20 | 132 | |
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[Not Specified]
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Age, Categorical
Measure Type: Count of Participants Unit of measure: Participants |
|||||||||||||||
Number Analyzed | 3 participants | 6 participants | 6 participants | 6 participants | 7 participants | 6 participants | 7 participants | 4 participants | 39 participants | 11 participants | 9 participants | 8 participants | 20 participants | 132 participants | |
<=18 years |
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
|
Between 18 and 65 years |
2 66.7%
|
2 33.3%
|
2 33.3%
|
3 50.0%
|
5 71.4%
|
3 50.0%
|
5 71.4%
|
4 100.0%
|
37 94.9%
|
8 72.7%
|
3 33.3%
|
4 50.0%
|
15 75.0%
|
93 70.5%
|
|
>=65 years |
1 33.3%
|
4 66.7%
|
4 66.7%
|
3 50.0%
|
2 28.6%
|
3 50.0%
|
2 28.6%
|
0 0.0%
|
2 5.1%
|
3 27.3%
|
6 66.7%
|
4 50.0%
|
5 25.0%
|
39 29.5%
|
|
Age, Continuous
Mean (Standard Deviation) Unit of measure: Years |
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Number Analyzed | 3 participants | 6 participants | 6 participants | 6 participants | 7 participants | 6 participants | 7 participants | 4 participants | 39 participants | 11 participants | 9 participants | 8 participants | 20 participants | 132 participants | |
62.7 (10.1) | 65.7 (2.3) | 63.5 (8.6) | 61.5 (19.1) | 52.3 (15.0) | 56.3 (17.1) | 50.4 (19.8) | 47.3 (18.4) | 45.1 (14.0) | 57.6 (12.1) | 65.9 (14.7) | 58.1 (13.3) | 52.0 (15.1) | 58.3 (14.9) | ||
Sex: Female, Male
Measure Type: Count of Participants Unit of measure: Participants |
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Number Analyzed | 3 participants | 6 participants | 6 participants | 6 participants | 7 participants | 6 participants | 7 participants | 4 participants | 39 participants | 11 participants | 9 participants | 8 participants | 20 participants | 132 participants | |
Female |
2 66.7%
|
4 66.7%
|
3 50.0%
|
3 50.0%
|
4 57.1%
|
3 50.0%
|
6 85.7%
|
1 25.0%
|
22 56.4%
|
6 54.5%
|
4 44.4%
|
5 62.5%
|
5 25.0%
|
68 51.5%
|
|
Male |
1 33.3%
|
2 33.3%
|
3 50.0%
|
3 50.0%
|
3 42.9%
|
3 50.0%
|
1 14.3%
|
3 75.0%
|
17 43.6%
|
5 45.5%
|
5 55.6%
|
3 37.5%
|
15 75.0%
|
64 48.5%
|
|
Race/Ethnicity, Customized
Measure Type: Count of Participants Unit of measure: Participants |
Number Analyzed | 3 participants | 6 participants | 6 participants | 6 participants | 7 participants | 6 participants | 7 participants | 4 participants | 39 participants | 11 participants | 9 participants | 8 participants | 20 participants | 132 participants |
Asian |
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
1 16.7%
|
0 0.0%
|
0 0.0%
|
3 7.7%
|
0 0.0%
|
1 11.1%
|
0 0.0%
|
0 0.0%
|
5 3.8%
|
|
White |
3 100.0%
|
6 100.0%
|
6 100.0%
|
6 100.0%
|
7 100.0%
|
5 83.3%
|
7 100.0%
|
4 100.0%
|
33 84.6%
|
10 90.9%
|
8 88.9%
|
8 100.0%
|
18 90.0%
|
121 91.7%
|
|
Black of African American |
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
3 7.7%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
1 5.0%
|
4 3.0%
|
|
Native Hawaiian or Other Pacific Islander |
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
1 5.0%
|
1 0.8%
|
|
Multiple races |
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
1 9.1%
|
0 0.0%
|
0 0.0%
|
0 0.0%
|
1 0.8%
|
|
Region of Enrollment
Measure Type: Number Unit of measure: Participants |
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United States | Number Analyzed | 3 participants | 6 participants | 6 participants | 6 participants | 7 participants | 6 participants | 7 participants | 4 participants | 39 participants | 11 participants | 9 participants | 8 participants | 20 participants | 132 participants |
3 | 6 | 6 | 6 | 7 | 6 | 7 | 4 | 39 | 11 | 9 | 8 | 20 | 41 |
Outcome Measures
Adverse Events