Therapy Detail
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| Therapy Name | Panitumumab |
| Synonyms | |
| Therapy Description |
Vectibix (panitumumab) is a monoclonal antibody directed against EGFR, which inhibits cell proliferation and induces apoptosis (PMID: 18998757). Vectibix (panitumumab) is FDA approved for metastatic colorectal cancer patients with wild-type KRAS and NRAS (FDA.gov). |
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| Drug Name | Trade Name | Synonyms | Drug Classes | Drug Description |
|---|---|---|---|---|
| Panitumumab | Vectibix | ABX-EGF | EGFR Antibody 29 | Vectibix (panitumumab) is a monoclonal antibody directed against EGFR, which inhibits cell proliferation and induces apoptosis (PMID: 18998757). Vectibix (panitumumab) is FDA approved for metastatic colorectal cancer patients with wild-type KRAS and NRAS (FDA.gov). |
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| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| NRAS exon3 | rectum cancer | resistant | Panitumumab | Guideline | Actionable | Vectibix (panitumumab) is not indicated for use in rectum cancer patients with NRAS exon 3 mutations (NCCN.org). | detail... |
| ERBB2 amp | colorectal cancer | decreased response | Panitumumab | Clinical Study - Cohort | Actionable | In a retrospective analysis, patients with metastatic KRAS exon 2 wild-type colorectal cancer harboring ERBB2 (HER2) amplification or overexpression (n=79) demonstrated poorer objective response rate (31.2 vs 46.9, p=0.031) and progression-free survival (5.7 vs 7 months, p=0.087) to anti-EGFR treatment (Vectibix (panitumumab) or Erbitux (cetuximab), as monotherapy or combined with chemotherapy) when compared to ERBB2 (HER2)-negative patients (n=113) (PMID: 30952821). | 30952821 |
| NRAS K117X | colorectal cancer | resistant | Panitumumab | FDA contraindicated | Actionable | Vectibix (panitumumab) treatment of colorectal cancer patients with NRAS exon 4, codon 117 mutations is contraindicated (FDA.gov). | detail... |
| NRAS exon2 | colon cancer | resistant | Panitumumab | Guideline | Actionable | Vectibix (panitumumab) is not indicated for use in colon cancer patients with NRAS exon 2 mutations (NCCN.org). | detail... |
| MAP2K1 K57N | colorectal cancer | resistant | Panitumumab | Preclinical | Actionable | In a preclinical study, colorectal cancer cell lines expressing MAP2K1 K57N were insensitive to Vectibix (panitumumab) in culture (PMID: 26644315). | 26644315 |
| ERBB2 S310F | colorectal cancer | resistant | Panitumumab | Preclinical | Actionable | In a preclinical study, colorectal cancer cells over expressing ERBB2 (HER2) S310F were resistant to Vectibix (panitumumab) in culture (PMID: 26243863). | 26243863 |
| Unknown unknown | gastric adenocarcinoma | no benefit | Panitumumab | Phase III | Actionable | In a Phase III trial, addition of Vectibix (panitumumab) to chemotherapy consisted of epirubicin, oxaliplatin, and capecitabine (EOC) did not improve overall survival and increased side effects, therefore was not recommended in an unselected population of patients with advanced oesophagogastric adenocarcinoma (PMID: 23594787). | 23594787 |
| NRAS exon4 | colon cancer | resistant | Panitumumab | Guideline | Actionable | Vectibix (panitumumab) is not indicated for use in colon cancer patients with NRAS exon 4 mutations (NCCN.org). | detail... |
| NRAS G12X | colorectal cancer | resistant | Panitumumab | FDA contraindicated | Actionable | Vectibix (panitumumab) treatment of colorectal cancer patients with NRAS exon 2, codon 12 mutations is contraindicated (FDA.gov). | detail... |
| NRAS wild-type | colorectal cancer | predicted - sensitive | Panitumumab | FDA approved - On Companion Diagnostic | Actionable | Vectibix (panitumumab) is FDA approved for metastatic colorectal patients that are NRAS wild-type, as detected by a companion diagnostic (FDA.gov). | detail... detail... |
| NRAS wild-type | colorectal cancer | predicted - sensitive | Panitumumab | Phase III | Actionable | In a Phase III clinical trial, the combination of Vectibix (panitumumab) and FOLFIRI improved progression-free survival and median overall survival in patients with RAS wild-type colorectal cancer compared to FOLFIRI treatment alone (PMID: 26341920). | 26341920 |
| ERBB2 L866M | colorectal cancer | resistant | Panitumumab | Preclinical | Actionable | In a preclinical study, colorectal cancer cells over expressing ERBB2 (HER2) L866M were resistant to Vectibix (panitumumab) in culture (PMID: 26243863). | 26243863 |
| Unknown unknown | Advanced Solid Tumor | not applicable | Panitumumab | Phase I | Actionable | In a Phase I trial, Vectibix (panitumumab) demonstrated safety and anti-tumor activity in patients with advanced solid tumors (PMID: 18223225). | 18223225 |
| NRAS G13X | colorectal cancer | resistant | Panitumumab | FDA contraindicated | Actionable | Vectibix (panitumumab) treatment of colorectal cancer patients with NRAS exon 2, codon 13 mutations is contraindicated (FDA.gov). | detail... |
| NRAS A146X | colorectal cancer | resistant | Panitumumab | FDA contraindicated | Actionable | Vectibix (panitumumab) treatment of colorectal cancer patients with NRAS exon 4, codon 146 mutations is contraindicated (FDA.gov). | detail... |
| NRAS A59X | colorectal cancer | resistant | Panitumumab | FDA contraindicated | Actionable | Vectibix (panitumumab) treatment of colorectal cancer patients with NRAS exon 3, codon 59 mutations is contraindicated (FDA.gov). | detail... |
| ERBB2 V842I | colorectal cancer | resistant | Panitumumab | Preclinical | Actionable | In a preclinical study, colorectal cancer cell lines over expressing ERBB2 (HER2) V842I were resistant to Vectibix (panitumumab) in culture (PMID: 26243863). | 26243863 |
| NRAS Q61X | colorectal cancer | resistant | Panitumumab | FDA contraindicated | Actionable | Vectibix (panitumumab) treatment of colorectal cancer patients with NRAS exon 3, codon 61 mutations is contraindicated (FDA.gov). | detail... |
| NRAS exon2 | rectum cancer | resistant | Panitumumab | Guideline | Actionable | Vectibix (panitumumab) is not indicated for use in rectum cancer patients with NRAS exon 2 mutations (NCCN.org). | detail... |
| ERBB2 L755S | colorectal cancer | resistant | Panitumumab | Preclinical | Actionable | In a preclinical study, colorectal cancer cells over expressing ERBB2 (HER2) L755S were resistant to Vectibix (panitumumab) in culture (PMID: 26243863). | 26243863 |
| NRAS exon3 | colon cancer | resistant | Panitumumab | Guideline | Actionable | Vectibix (panitumumab) is not indicated for use in colon cancer patients with NRAS exon 3 mutations (NCCN.org). | detail... |
| ERBB2 over exp | colorectal cancer | decreased response | Panitumumab | Clinical Study - Cohort | Actionable | In a retrospective analysis, patients with metastatic KRAS exon 2 wild-type colorectal cancer harboring ERBB2 (HER2) amplification or overexpression (n=79) demonstrated poorer objective response rate (31.2 vs 46.9, p=0.031) and progression-free survival (5.7 vs 7 months, p=0.087) to anti-EGFR treatment (Vectibix (panitumumab) or Erbitux (cetuximab), as monotherapy or combined with chemotherapy) when compared to ERBB2 (HER2)-negative patients (n=113) (PMID: 30952821). | 30952821 |
| BRAF V600E | rectum cancer | resistant | Panitumumab | Guideline | Actionable | Vectibix (panitumumab), as a monotherapy, is not indicated for use in rectum cancer patients with BRAF V600E (NCCN.org). | detail... |
| ERBB2 V777L | colorectal cancer | resistant | Panitumumab | Preclinical | Actionable | In a preclinical study, colorectal cancer cells over expressing ERBB2 (HER2) V777L were resistant to Vectibix (panitumumab) in culture (PMID: 26243863). | 26243863 |
| MAP2K1 K57T | colorectal cancer | resistant | Panitumumab | Preclinical | Actionable | In a preclinical study, a colorectal cancer cell line expressing MAP2K1 K57T was resistant to Vectibix (panitumumab) in culture (PMID: 26644315). | 26644315 |
| BRAF V600E | colon cancer | resistant | Panitumumab | Guideline | Actionable | Vectibix (panitumumab), as a monotherapy, is not indicated for use in colon cancer patients with BRAF V600E (NCCN.org). | detail... |
| Unknown unknown | colorectal cancer | not applicable | Panitumumab | FDA approved | Actionable | In an open-label clinical trial that supported FDA approval, Vectibix (panitumumab) treatment in patients with metastatic colorectal cancer resulted in increased progression-free survival (13.8 weeks; SD=0.76) compared to best supportive care alone (8.5 weeks; SD=0.54) (PMID: 18316547). | 18316547 detail... |
| NRAS exon4 | rectum cancer | resistant | Panitumumab | Guideline | Actionable | Vectibix (panitumumab) is not indicated for use in rectum cancer patients with NRAS exon 4 mutations (NCCN.org). | detail... |
| HRAS G12V | Advanced Solid Tumor | resistant | Panitumumab | Preclinical | Actionable | In a preclinical study, tumor cells expressing HRAS G12V demonstrated resistance to treatment with Vectibix (panitumumab) (PMID: 22797062). | 22797062 |
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| Clinical Trial | Phase | Therapies | Title | Recruitment Status |
|---|---|---|---|---|
| NCT04117945 | Phase II | Regorafenib Irinotecan + Panitumumab Panitumumab Cetuximab + Irinotecan Cetuximab | Regorafenib, With Cetuximab or Panitumumab, for the Treatment of Unresectable, Locally Advanced, or Metastatic Colorectal Cancer | Recruiting |
| NCT00658658 | Phase I | Panitumumab | Panitumumab Pediatric Study | Completed |
| NCT00842257 | Phase II | Panitumumab | Panitumumab in Cetuximab Refractory KRAS Wild-Type Colorectal Cancer | Completed |
| NCT01260415 | Phase II | Panitumumab Fluorouracil + Leucovorin + Oxaliplatin + Pembrolizumab Fluorouracil + Irinotecan + Leucovorin | A Study of Perioperative Chemotherapy Plus Panitumumab in Patients With Colorectal Cancer Liver Metastases | Completed |
| NCT01128387 | Phase Ib/II | Fluorouracil Panitumumab Cisplatin | Trial of Panitumumab/Cisplatin/Fluorouracil With XRT in Esophageal Cancer | Terminated |
| NCT01312857 | Phase II | Panitumumab Fluorouracil + Irinotecan + Leucovorin Floxuridine | Study of Hepatic Arterial Infusion With Intravenous Irinotecan, 5FU and Leucovorin With or Without Panitumumab, in Patients With Wild Type RAS Who Have Resected Hepatic Metastases From Colorectal Cancer | Active, not recruiting |
| NCT02415881 | Phase I | Panitumumab | Phase I Panitumumab IRDye800 Optical Imaging Study | Recruiting |
| NCT03992456 | Phase II | Panitumumab Regorafenib trifluridine/tipiracil hydrochloride | Panitumumab, Regorafenib, or TAS-102, in Treating Patients With Metastatic and/or Unresectable RAS Wild-Type Colorectal Cancer | Recruiting |
| NCT00610948 | Phase I | Everolimus Panitumumab | Everolimus, Fluorouracil, Leucovorin, Panitumumab, and Oxaliplatin in Treating Patients With Solid Tumors That Did Not Respond to Treatment | Completed |
| NCT01814501 | Phase II | Fluorouracil + Irinotecan + Leucovorin Panitumumab | Panitumumab and Chemotherapy in Patients With Advanced Colorectal Cancer After Prior Therapy With Bevacizumab | Active, not recruiting |
| NCT02448810 | Phase II | Fluorouracil + Leucovorin Imalumab Panitumumab | Phase 2a Study of BAX69 and 5-FU/Leucovorin or Panitumumab Versus Standard of Care in Subjects With Metastatic Colorectal Cancer | Terminated |
| NCT03510208 | Phase Ib/II | Panitumumab | Panitumumab-IRDye800 in Diagnosing Participants With Malignant Glioma Undergoing Surgery | Recruiting |
| NCT01202409 | Phase II | Panitumumab | CAPOX in KRAS Wild-Type Advanced Adenocarcinoma of the Small Bowel or Ampulla of Vater | Completed |
| NCT00979212 | Phase II | Panitumumab Carboplatin + Paclitaxel | Chemotherapy and Radiation Therapy With or Without Panitumumab in Treating Patients With Stage IIIA Non-Small Cell Lung Cancer (Cetuximab Closed as of 05/14/10) | Active, not recruiting |
| NCT01927341 | Phase Ib/II | Binimetinib Panitumumab | Phase Ib/II Study of Efficacy and Safety of MEK162 and Panitumumab, in Adult mCRC Patients With Mutant or Wild-type RAS Tumors | Completed |
| NCT03087071 | Phase II | Panitumumab Panitumumab + Trametinib | Panitumumab With or Without Trametinib in Treating Patients With Stage IV Colorectal Cancer | Recruiting |
| NCT02508077 | Phase II | Fluorouracil + Irinotecan + Leucovorin Panitumumab | FOLFIRI and Panitumumab in Treating Patients With RAS and BRAF Wild-Type Metastatic Colorectal Cancer | Terminated |
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