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Pemetrexed (e.g., Alimta) | |
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Description: |
Pemetrexed is a novel multi-targeted antifolate that inhibits greater than or equal to 3 enzymes involved in folate metabolism and purine and pyrimidine synthesis. These enzymes are thymidylate synthase, dihydrofolate reductase, and glycinamide ribonucleotide formyltransferase.
Regulatory Status
In August 2004, pemetrexed was FDA-approved as single agent therapy in individuals with locally advanced or metastatic NSCLC following prior chemotherapy.
In September 2008, pemetrexed was FDA-approved in combination with cisplatin for first-line therapy in individuals with locally advanced or metastatic non-squamous NSCLC.
In July 2009, pemetrexed received FDA approval for the maintenance treatment of advanced or metastatic nonsquamous NSCLC after first-line treatment with platinum-based chemotherapy. Pemetrexed is the first agent to receive FDA approval for the maintenance treatment of advanced or metastatic NSCLC (US FDA, 2004, 2008, 2009).
Coding
See CPT/HCPCS Code section below.
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Policy/ Coverage: |
Effective August 1, 2021, for members of plans that utilize an oncology benefits management program, Prior Approval is required for this service and is managed through the oncology benefits management program.
Effective June 26, 2024
Meets Primary Coverage Criteria Or Is Covered For Contracts Without Primary Coverage Criteria
Pemetrexed meets member benefit certificate primary coverage criteria that there be scientific evidence of effectiveness in improving health outcomes for the following indications:
FDA Labeled Indications:
For FDA labeled indications, all products must be dosed in accordance with the FDA label unless otherwise specified.
Non-Small Cell Lung Cancer (NSCLC)
Malignant Pleural Mesothelioma
Limitations of Use: Alimta in not indicated for the treatment of individuals with squamous cell, non-small cell lung cancer.
Off-label Indications:
For off-label indications, authorizations will not exceed 500 mg/square meters unless medical literature supports a higher dose.
Thymomas and Thymic Carcinomas
Malignant Pleural Mesothelioma - Malignant Pleural Mesothelioma
Vaginal Cancer
Non-Small Cell Lung Cancer
Head and Neck Cancers
Cervical Cancer
Ovarian Cancer/Fallopian Tube Cancer/Primary Peritoneal Cancer-Epithelial Ovarian Cancer/Fallopian Tube Cancer/Primary Peritoneal Cancer
Central Nervous System Cancers
Off Label
The use of this drug is covered if an FDA-approved oncologic indication exists (not listed as an indication above) with the member meeting all the additional requirements of the prescribing information (package insert listed in the “Indications and Usage”) AND/OR a NCCN category 1 or 2A recommendation is recognized in the NCCN Drugs and Biologics Compendium with the member meeting specified criteria (See policy #2000030).
Dosing and Administration
Dosing per FDA guidelines
The recommended dose of pemetrexed administered with pembrolizumab and platinum chemotherapy in individuals with a creatinine clearance (calculated by Cockcroft-Gault equation) of 45 mL/min or greater is 500 mg/square meters as an intravenous infusion over 10 minutes, administered after pembrolizumab and prior to platinum chemotherapy, on Day 1 of each 21-day cycle.
The recommended dose of pemetrexed, administered as a single agent or with cisplatin, in individuals with creatinine clearance of 45 mL/minute or greater is 500 mg/square meters as an intravenous infusion over 10 minutes on Day 1 of each 21-day cycle.
Refer to package insert for further dosage and administration information.
Pemetrexed is available as 100 mg or 500 mg lyophilized powder in single-dose vial.
Pemetrexed should be administered as an intravenous infusion by a healthcare professional.
Please refer to a separate policy on Site of Care or Site of Service Review (policy #2018030) for pharmacologic/biologic medications.
Does Not Meet Primary Coverage Criteria Or Is Investigational For Contracts Without Primary Coverage Criteria
Pemetrexed for any indications or circumstance not described above, does not meet member benefit certificate primary coverage criteria that there be scientific evidence of effectiveness in improving health outcomes.
For members with contracts without primary coverage criteria, Pemetrexed for any indications or circumstance not described above, is considered investigational. Investigational services are specific contract exclusions in most member benefit certificates of coverage.
Effective June 7, 2023 to June 25, 2024
Meets Primary Coverage Criteria Or Is Covered For Contracts Without Primary Coverage Criteria
Pemetrexed meets member benefit certificate primary coverage criteria that there be scientific evidence of effectiveness in improving health outcomes for the following indications:
Central Nervous System Cancers - Primary CNS Lymphoma
Malignant Pleural Mesothelioma - Malignant Pleural Mesothelioma
Non-Small Cell Lung Cancer - Non-Small Cell Lung Cancer
Ovarian Cancer/Fallopian Tube Cancer/Primary Peritoneal Cancer - Epithelial Ovarian Cancer/Fallopian Tube Cancer/Primary Peritoneal Cancer, Carcinosarcoma (Malignant Mixed Müllerian Tumors), Clear Cell Carcinoma, Mucinous Carcinoma, Grade 1 Endometrioid Carcinoma, Low-Grade Serous Carcinoma/Ovarian Borderline Epithelial Tumors (Low Malignant Potential) with invasive implants
Thymomas and Thymic Carcinomas - Thymomas and Thymic Carcinomas
Limitations of Use: Alimta in not indicated for the treatment of individuals with squamous cell, non-small cell lung cancer.
Off Label
The use of this drug is covered if an FDA-approved oncologic indication exists (not listed as an indication above) with the member meeting all the additional requirements of the prescribing information (package insert listed in the “Indications and Usage”) AND/OR a NCCN category 1 or 2A recommendation is recognized in the NCCN Drugs and Biologics Compendium with the member meeting specified criteria (See policy #2000030).
Dosing and Administration
Dosing per FDA guidelines
The usual dose of pemetrexed is 500 mg/square meters every 21 days until disease progression or unacceptable toxicity. Dosage and administration may vary based on indication, renal impairment, hematologic and nonhematologic toxicities. Please refer to the prescribing information for dosage guidelines.
Pemetrexed is available as 100 mg, 500 mg, 750 mg, 1000 mg powder for injection and 100 mg/4 mL, 500 mg/20 mL, 850/34 mL, 1000 mg/40 mL solution for injection.
Pemetrexed should be administered as an intravenous infusion by a healthcare professional.
Please refer to a separate policy on Site of Care or Site of Service Review (policy #2018030) for pharmacologic/biologic medications.
Does Not Meet Primary Coverage Criteria Or Is Investigational For Contracts Without Primary Coverage Criteria
The use of Pemetrexed for the treatment of any indications or circumstances other than those outlined above does not meet member benefit certificate primary coverage criteria that there be scientific evidence of effectiveness in improving health outcomes.
For members with contracts without primary coverage criteria, the use of Pemetrexed for the treatment of any indication or circumstance other than those outlined above is considered investigational. Investigational services are specific contract exclusions in most member benefit certificates of coverage.
Effective July 13, 2022 to June 6, 2023
Meets Primary Coverage Criteria Or Is Covered For Contracts Without Primary Coverage Criteria
Pemetrexed meets member benefit certificate primary coverage criteria that there be scientific evidence of effectiveness for the following indications:
Central Nervous System Cancers - Primary CNS Lymphoma
Malignant Pleural Mesothelioma - Malignant Pleural Mesothelioma
Non-Small Cell Lung Cancer - Non-Small Cell Lung Cancer
Ovarian Cancer/Fallopian Tube Cancer/Primary Peritoneal Cancer - Epithelial Ovarian Cancer/Fallopian Tube Cancer/Primary Peritoneal Cancer, Carcinosarcoma (Malignant Mixed Müllerian Tumors), Clear Cell Carcinoma, Mucinous Carcinoma, Grade 1 Endometrioid Carcinoma, Low-Grade Serous Carcinoma/Ovarian Borderline Epithelial Tumors (Low Malignant Potential) with invasive implants
Thymomas and Thymic Carcinomas - Thymomas and Thymic Carcinomas
Limitations of Use: Alimta in not indicated for the treatment of patients with squamous cell, non-small cell lung cancer.
Off Label
The use of this drug is covered if an FDA-approved oncologic indication exists (not listed as an indication above) with the member meeting all the additional requirements of the prescribing information (package insert listed in the “Indications and Usage”) AND/OR a NCCN category 1 or 2A recommendation is recognized in the NCCN Drugs and Biologics Compendium with the member meeting specified criteria (See policy #2000030).
Dosing and Administration
Per FDA label guidelines
Please refer to a separate policy on Site of Care or Site of Service Review (policy #2018030) for pharmacologic/biologic medications.
Does Not Meet Primary Coverage Criteria Or Is Investigational For Contracts Without Primary Coverage Criteria
The use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above does not meet member benefit certificate primary coverage criteria.
For members with contracts without primary coverage criteria, the use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above is considered investigational.
Investigational services are specific contract exclusions in most member benefit certificates of coverage.
Effective January 2022 to July 12, 2022
Meets Primary Coverage Criteria Or Is Covered For Contracts Without Primary Coverage Criteria
Pemetrexed meets member benefit certificate primary coverage criteria that there be scientific evidence of effectiveness for the following indications:
Central Nervous System Cancers - Primary CNS Lymphoma
Malignant Pleural Mesothelioma - Malignant Pleural Mesothelioma
Non-Small Cell Lung Cancer - Non-Small Cell Lung Cancer
Ovarian Cancer/Fallopian Tube Cancer/Primary Peritoneal Cancer - Epithelial Ovarian Cancer/Fallopian Tube Cancer/Primary Peritoneal Cancer, Carcinosarcoma (Malignant Mixed Müllerian Tumors), Clear Cell Carcinoma, Mucinous Carcinoma, Grade 1 Endometrioid Carcinoma, Low-Grade Serous Carcinoma/Ovarian Borderline Epithelial Tumors (Low Malignant Potential) with invasive implants
Thymomas and Thymic Carcinomas - Thymomas and Thymic Carcinomas
Limitations of Use: Alimta in not indicated for the treatment of patients with squamous cell, non-small cell lung cancer.
Off Label
The use of this drug is covered if an FDA-approved oncologic indication exists (not listed as an indication above) with the member meeting all the additional requirements of the prescribing information (package insert listed in the “Indications and Usage”) AND/OR a NCCN category 1 or 2A recommendation is recognized in the NCCN Drugs and Biologics Compendium with the member meeting specified criteria (See policy #2000030).
Dosing and Administration
Per FDA label guidelines
Please refer to a separate policy on Site of Care or Site of Service Review (policy #2018030) for pharmacologic/biologic medications.
Does Not Meet Primary Coverage Criteria Or Is Investigational For Contracts Without Primary Coverage Criteria
The use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above does not meet member benefit certificate primary coverage criteria.
For members with contracts without primary coverage criteria, the use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above is considered investigational.
Investigational services are specific contract exclusions in most member benefit certificates of coverage.
Effective November 2021 through December 31, 2021
Meets Primary Coverage Criteria Or Is Covered For Contracts Without Primary Coverage Criteria
Pemetrexed meets member benefit certificate primary coverage criteria that there be scientific evidence of effectiveness for the following indications:
2. Mesothelioma
Limitations of Use: Alimta in not indicated for the treatment of patients with squamous cell, non-small cell lung cancer.
Off Label
The use of this drug is covered if an FDA-approved oncologic indication exists (not listed as an indication above) with the member meeting all the additional requirements of the prescribing information (package insert listed in the “Indications and Usage”) AND/OR a NCCN category 1 or 2A recommendation is recognized in the NCCN Drugs and Biologics Compendium with the member meeting specified criteria (See policy #2000030).
Dosing and Administration
Per FDA label guidelines
Please refer to a separate policy on Site of Care or Site of Service Review (policy #2018030) for pharmacologic/biologic medications.
Does Not Meet Primary Coverage Criteria Or Is Investigational For Contracts Without Primary Coverage Criteria
The use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above does not meet member benefit certificate primary coverage criteria.
For members with contracts without primary coverage criteria, the use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above is considered investigational.
Investigational services are specific contract exclusions in most member benefit certificates of coverage.
Effective June 2021 to October 31, 2021
Meets Primary Coverage Criteria Or Is Covered For Contracts Without Primary Coverage Criteria
Pemetrexed meets member benefit certificate primary coverage criteria that there be scientific evidence of effectiveness for the following indications:
Limitations of Use: Alimta in not indicated for the treatment of patients with squamous cell, non-small cell lung cancer.
Off Label
The use of this drug is covered if a FDA-approved oncologic indication exists (not listed as an indication above) with the member meeting all of the additional requirements of the prescribing information (package insert listed in the “Indications and Usage”) AND/OR a NCCN category 1, 2A, and 2B recommendation is recognized in the NCCN Drugs and Biologics Compendium with the member meeting specified criteria (See policy #2000030).
Dosing and Administration
Per FDA label guidelines
Please refer to a separate policy on Site of Care or Site of Service Review (policy #2018030) for pharmacologic/biologic medications.
Does Not Meet Primary Coverage Criteria Or Is Investigational For Contracts Without Primary Coverage Criteria
The use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above does not meet member benefit certificate primary coverage criteria.
For members with contracts without primary coverage criteria, the use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above is considered investigational.
Investigational services are specific contract exclusions in most member benefit certificates of coverage.
Effective June 2019 to May 2021
Meets Primary Coverage Criteria Or Is Covered For Contracts Without Primary Coverage Criteria
Pemetrexed meets member benefit certificate primary coverage criteria that there be scientific evidence of effectiveness for the following indications:
Limitations of Use: Alimta in not indicated for the treatment of patients with squamous cell, non-small cell lung cancer.
Off Label
NCCN 1, 2A, and 2B recommendations in accordance with Coverage Policy #2000030.
Dosing and Administration
Per FDA label guidelines
Please refer to a separate policy on Site of Care or Site of Service Review (policy #2018030) for pharmacologic/biologic medications.
Does Not Meet Primary Coverage Criteria Or Is Investigational For Contracts Without Primary
Coverage Criteria
The use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above does not meet member benefit certificate primary coverage criteria.
For members with contracts without primary coverage criteria, the use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above is considered investigational.
Investigational services are specific contract exclusions in most member benefit certificates of coverage.
Effective June 2018
Meets Primary Coverage Criteria Or Is Covered For Contracts Without Primary Coverage Criteria
Pemetrexed meets member benefit certificate primary coverage criteria that there be scientific evidence of effectiveness for the following indications:
Dosing
Does Not Meet Primary Coverage Criteria Or Is Investigational For Contracts Without Primary
Coverage Criteria
The use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above does not meet member benefit certificate primary coverage criteria.
For members with contracts without primary coverage criteria, the use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above is considered investigational. Investigational services are specific contract exclusions in most member benefit certificates of coverage.
Effective Prior to June 2018
Meets Primary Coverage Criteria Or Is Covered For Contracts Without Primary Coverage Criteria
Pemetrexed meets primary coverage criteria for the following indications:
NSCLC: Locally Advanced or Metastatic Nonsquamous Non-Small Cell Lung Cancer in combination with cisplatin or carboplatin
Mesothelioma:
Urothelial carcinoma,
Cervical carcinoma,
Epithelial ovarian cancer,
Thymic carcinoma or thymoma,
Dosing: Adult
Note: Start vitamin supplements 1 week before initial pemetrexed dose: Folic acid 400 to 1000 mcg daily orally (begin 7 days prior to treatment initiation; continue daily during treatment and for 21 days after last pemetrexed dose) and vitamin B12 1000 mcg IM 7 days prior to treatment initiation and then every 3 cycles. Give dexamethasone 4 mg orally twice daily for 3 days, beginning the day before treatment to minimize cutaneous reactions. New treatment cycles should not begin unless ANC ≥1500/mm3, platelets ≥100,000/mm3, and CrCl ≥45 mL/minute.
Malignant pleural mesothelioma: IV: 500 mg/m2 on day 1 of each 21-day cycle (in combination with cisplatin) or (off-label) in combination with carboplatin (Castagneto 2008; Ceresoli 2006) or (off-label) as single-agent therapy (Taylor 2008)
Non-small cell lung cancer, nonsquamous: IV:
Initial treatment: 500 mg/m2 on day 1 of each 21-day cycle (in combination with cisplatin)
Maintenance or second-line treatment: 500 mg/m2 on day 1 of each 21-day cycle (as a single-agent)
Bladder cancer, metastatic (off-label use): IV: 500 mg/m2 on day 1 of each 21-day cycle until disease progression or unacceptable toxicity (Sweeney 2006)
Cervical cancer, persistent or recurrent (off-label use): IV: 500 mg/m2 on day 1 of each 21-day cycle until disease progression or unacceptable toxicity occurs (Lorusso 2010) or 900 mg/m2 on day 1 of each 21-day cycle (Miller 2008)
Ovarian cancer, platinum-resistant (off-label use): IV: 500 mg/m2 on day 1 of each 21-day cycle (Vergote 2009)
Thymic malignancies, metastatic (off-label use): IV: 500 mg/m2 on day 1 of each 21-day cycle for 6 cycles or until disease progression
Does Not Meet Primary Coverage Criteria Or Is Investigational For Contracts Without Primary
Coverage Criteria
The use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above does not meet member benefit certificate primary coverage criteria.
For members with contracts without primary coverage criteria, the use of Pemetrexed for the treatment of any other indications or any other circumstances than those outlined above is considered investigational. Investigational services are specific contract exclusions in most member benefit certificates of coverage.
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Rationale: |
Pemetrexed was approved in 2004 as a single agent for second line treatment of patients with advanced NSCLC (all histologic subtypes) after Hanna et al (2004) conducted a large randomized phase III trial of pemetrexed vs. docetaxel. In this trial 571 patients were randomly assigned to receive either pemetrexed 500 mg/sq meter intravenously with vitamin B12, folic acid, and dexamethasone or docetaxel 75 mg/ sq meter intravenously with dexamethasone every 21 days. The primary end point was overall survival. Overall response rates were 9.1% and 8.8% for pemetrexed and docetaxel, respectively. Median progression-free survival was 2.9 months for each arm, and median survival time was 8.3 versus 7.9 months (P = not significant) for pemetrexed and docetaxel, respectively. The 1-year survival rate for each arm was 29.7%. Patients receiving docetaxel were more likely to have grade 3 or 4 neutropenia , febrile neutropenia, neutropenia with infections, hospitalizations for neutropenic fever, hospitalizations due to other drug related adverse events, use of granulocyte colony-stimulating factor support, and all grade alopecia compared with patients receiving pemetrexed. The study concluded that treatment with pemetrexed resulted in clinically equivalent efficacy outcomes, but with significantly fewer side effects compared with docetaxel in the second-line treatment of patients with advanced NSCLC and should be considered a standard treatment option for second-line NSCLC when available.
Scagliotti et al (2008) published the results of a multi-center, randomized, open-label phase III study comparing the efficacy of cisplatin plus gemcitabine with cisplatin plus pemetrexed in patient with NSCLC. This trial randomized 1725 chemotherapy naive patients with Stage IIIb/IV NSCLC to compare the overall survival following treatment with pemetrexed in combination with cisplatin (AC) versus gemcitabine in combination with cisplatin (GC). Treatment was administered up to a total of 6 cycles, and patients in both treatment arms received folic acid, vitamin B12, and dexamethasone. The primary endpoint in this study was overall survival. Overall survival for cisplatin/pemetrexed was noninferior to cisplatin/gemcitabine. The median survival time was 10.3 months in the pemetrexed plus cisplatin treatment arm and 10.3 months in the gemcitabine plus cisplatin arm, with an adjusted hazard ratio of 0.94. Overall survival was statistically superior for cisplatin/pemetrexed versus cisplatin/gemcitabine in patients with adenocarcinoma (12.6 vs 10.9 months, respectively) and large-cell carcinoma histology (10.4 vs 6.7 months, respectively). In contrast, in patients with squamous cell histology, there was a significant improvement in survival with cisplatin/gemcitabine versus cisplatin/pemetrexed (10.8 vs 9.4 months, respectively). For cisplatin/pemetrexed, rates of grade 3 or 4 neutropenia, anemia, and thrombocytopenia; febrile neutropenia; and alopecia were significantly lower, whereas grade 3 or 4 nausea was more common. The authors concluded that in advanced NSCLC, cisplatin/pemetrexed provides similar efficacy with better tolerability and more convenient administration than cisplatin/gemcitabine. This was the first prospective phase III study in NSCLC to show survival differences based on histologic type.
Ciuleanu et al (2009) conducted a multi-center, randomized, double-blind, placebo-controlled study on 663 patients with Stage IIIb/IV NSCLC who did not progress after treatment with platinum-based chemotherapy. Patients who did not progress were randomized 2:1 to receive pemetrexed or placebo immediately following platinum-based chemotherapy. Of the randomized patients, 47.2% versus 52.7% achieved a complete or partial response to induction therapy and 51.9% versus 47.3% had stable disease after induction therapy in the pemetrexed and placebo arms, respectively. Pemetrexed was administered intravenously at a dose of 500 mg/m2 in 21-day cycles, until disease progression. Patients in both study arms received folic acid, vitamin B12, and dexamethasone. In the overall study population, pemetrexed was statistically superior to placebo in terms of overall survival (OS) (median 13.4 months versus 10.6 months), and PFS (median 4.0 months versus 2.0 months). A difference in treatment outcomes was observed according to histologic classification. For the population of patients with nonsquamous NSCLC, pemetrexed was superior to placebo for OS (median 15.5 months versus 10.3 months) and PFS (median 4.4 months versus 1.8 months). For the population of patients with squamous NSCLC, pemetrexed did not improve OS compared to placebo (median 9.9 months versus 10.8 months) or PFS (median 2.4 months versus 2.5 months). This difference in treatment effect for pemetrexed based on histology demonstrating lack of benefit in squamous cell histology was also observed in the first-line and second-line studies. The authors concluded that maintenance therapy with pemetrexed is well tolerated and offers improved progression-free and overall survival compared with placebo in patients with advanced non-small-cell lung cancer.
Paz-Ares et al (2013) conducted a multi-center, randomized, double-blind, placebo-controlled study to evaluate continuation of pemetrexed in patients with Stage IIIb/IV nonsquamous NSCLC. 539 patients completing induction treatment of four cycles of pemetrexed plus cisplatin with stable disease were randomized (2:1) to maintenance treatment with pemetrexed or placebo. Randomization was stratified by response to induction (complete response (CR)/partial response (PR) versus stable disease (SD)), disease stage (IIIb versus IV), and ECOG performance status (0 versus 1). Pemetrexed was administered intravenously at a dose of 500 mg/m2 in 21-day cycles and continued until disease progression. Patients in both study arms received folic acid, vitamin B12, and dexamethasone. The main efficacy outcome was investigator-assessed progression-free survival. Of the randomized patients, 44% versus 42% achieved a complete or partial response to induction therapy and 53% versus 53% had stable disease after induction treatment in the pemetrexed or the placebo arms respectively. The study concluded that pemetrexed continuation maintenance therapy is well-tolerated and offers superior OS compared with placebo. Pemetrexed an efficacious maintenance treatment strategy for patients with advanced nonsquamous NSCLC and good performance status who did not progress during pemetrexed-cisplatin induction therapy.
Vogelzang et al (2003) conducted a multi-center, randomized, single-blind study in 448 chemotherapy naive patients with malignant pleural mesothelioma (MPM) compared survival in patients treated with pemetrexed in combination with cisplatin to survival in patients receiving cisplatin alone. Pemetrexed was administered intravenously at a dose of 500 mg/m2 and cisplatin was administered intravenously at a dose of 75 mg/m2 after the end of administration of pemetrexed. Both regimens were given intravenously every 21 days. Median survival time in the pemetrexed/cisplatin arm was 12.1 months versus 9.3 months in the control arm. The hazard ratio for death of patients in the pemetrexed/cisplatin arm versus those in the control arm was 0.77. Median time to progression was significantly longer in the pemetrexed/cisplatin arm: 5.7 months versus 3.9 months. Response rates were 41.3% in the pemetrexed/cisplatin arm versus 16.7% in the control arm. After 117 patients had enrolled, folic acid and vitamin B12 were added to reduce toxicity, resulting in a significant reduction in toxicities in the pemetrexed/cisplatin arm. The authors concluded that treatment with pemetrexed plus cisplatin and vitamin supplementation resulted in superior survival time, time to progression, and response rates compared with treatment with cisplatin alone in patients with malignant pleural mesothelioma. Addition of folic acid and vitamin B12 significantly reduced toxicity without adversely affecting survival time.
2019 Update
The efficacy of ALIMTA in combination with pembrolizumab and platinum chemotherapy was investigated in Study KEYNOTE-189 (NCT02578680), a randomized, multicenter, double-blind, active-controlled trial conducted in patients with metastatic non-squamous NSCLC, regardless of PD-L1 tumor expression status, who had not previously received systemic therapy for metastatic disease and in whom there were no EGFR or ALK genomic tumor aberrations. Patients with autoimmune disease that required systemic therapy within 2 years of treatment; a medical condition that required immunosuppression; or who had received more than 30 Gy of thoracic radiation within the prior 26 weeks were ineligible. Randomization was stratified by smoking status (never versus former/current), choice of platinum (cisplatin versus
carboplatin), and tumor PD-L1 status (TPS <1% [negative] versus TPS ≥1%). Patients were randomized (2:1) to one of the following treatment arms:
Treatment with ALIMTA continued until RECIST v1.1 (modified to follow a maximum of 10 target lesions and a maximum of 5 target lesions per organ)-defined progression of disease as determined by the investigator or unacceptable toxicity. Patients randomized to placebo, ALIMTA, and platinum chemotherapy were offered pembrolizumab as a single agent at the time of disease progression.
Assessment of tumor status was performed at Week 6, Week 12, and then every 9 weeks thereafter. The main efficacy outcome measures were OS and PFS as assessed by BICR RECIST v1.1, modified to follow a maximum of 10 target lesions and a maximum of five target lesions per organ. Additional efficacy outcome measures were ORR and duration of response, as assessed by the BICR according to RECIST v1.1, modified to follow a maximum of 10 target lesions and a maximum of 5 target lesions per organ.
A total of 616 patients were randomized: 410 patients to the ALIMTA, pembrolizumab, and platinum chemotherapy arm and 206 to the placebo, ALIMTA, and platinum chemotherapy arm. The study population characteristics were: median age of 64 years (range: 34 to 84); 49% age 65 or older; 59% male; 94% White and 3% Asian; 56% ECOG performance status of 1; and 18% with history of brain metastases. Thirty-one percent had tumor PD-L1 expression TPS <1%. Seventy-two Reference ID: 4383136 percent received carboplatin and 12% were never smokers. A total of 85 patients in the placebo, ALIMTA, and chemotherapy arm received an anti-PD-1/PD-L1 monoclonal antibody at the time of disease progression.
The trial demonstrated a statistically significant improvement in OS and PFS for patients randomized to ALIMTA in combination with pembrolizumab and platinum chemotherapy compared with placebo, ALIMTA, and platinum chemotherapy.
2020 Update
Annual policy review completed with a literature search using the MEDLINE database through June 2020. No new literature was identified that would prompt a change in the coverage statement.
2021 Update
Chemotherapy-naive patients with stage IV nonsquamous NSCLC without sensitizing EGFR or ALK genetic alterations were randomized in a one-to-one ratio to receive four or six cycles of carboplatin or cisplatin plus pemetrexed (PP) or APP every 3 weeks, followed by maintenance therapy with atezolizumab plus pemetrexed or pemetrexed alone. Co-primary end points were overall survival (OS) and investigator-assessed progression-free survival (PFS).
The intention-to-treat population included 578 patients (APP, n = 292; PP, n = 286). At the primary PFS analysis (May 22, 2018; median follow-up, 14.8 mo), APP exhibited significant PFS improvement versus PP (median = 7.6 versus 5.2 mo, stratified hazard ratio [HR] = 0.60, 95% confidence interval [CI]: 0.49–0.72, p < 0.0001). OS for the APP group was numerically better but not statistically significant at the interim (May 22, 2018; median = 18.1 versus 13.6 mo, stratified HR = 0.81, 95% CI: 0.64–1.03, p = 0.0797) and final analyses (July 18, 2019; median = 17.5 versus 13.6 mo; stratified HR = 0.86, 95% CI: 0.71–1.06, p = 0.1546). The OS and PFS results favored APP versus PP across subgroups. Grade 3 or 4 treatment-related adverse events occurred in 54.6% (APP) and 40.1% (PP) of patients; grade 5 treatment-related events occurred in 3.8% and 2.9%, respectively.
IMpower132 met its co-primary PFS end point but not its co-primary OS end point, with numerical improvement for OS in the APP arm. APP had a manageable safety profile, with no new or unexpected safety signals identified. (Nishio M, Barlesi F, West H, et. al., 2020)
2022 Update
Annual policy review completed with a literature search using the MEDLINE database through June 2022. No new literature was identified that would prompt a change in the coverage statement.
2023 Update
Annual policy review completed with a literature search using the MEDLINE database through June 2023. No new literature was identified that would prompt a change in the coverage statement.
2024 Update
Annual policy review completed with a literature search using the MEDLINE database through June 2024.
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CPT/HCPCS: | |
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References: |
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