PARAMOUNT trial

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PARAMOUNT trial
PARAMOUNT Eli Lilly Informed Consent Document.djvu
text from a representative informed consent document
other namesPARAMOUNT, NCT00789373
sponsor Eli Lilly and Company
number of participants939
startNovember 2008
endSeptember 2013
primary completionJune 2010

The PARAMOUNT trial is a clinical trial studying non-small-cell lung carcinoma (NSCLC). The trial was sponsored by Eli Lilly and Company and was conducted in several European countries and Canada. It was registered in November 2008 and was projected to end in September 2013.

Contents

PARAMOUNT found that maintenance therapy with pemetrexed for patients with advanced non-squamous NSCLC was an effective and well-tolerated treatment option in those patients who had not had progress after initial therapy with pemetrexed plus cisplatin.

Study design

Name

The full name of the trial is "A Phase 3, Double-Blind, Placebo-Controlled Study of Maintenance Pemetrexed plus Best Supportive Care versus Best Supportive Care Immediately Following Induction Treatment with Pemetrexed + Cisplatin for Advanced Non-Squamous Non-Small Cell Lung Cancer". Its common name is PARAMOUNT. Its ClinicalTrials.gov identifier is NCT00789373.

Purpose

The PARAMOUNT trial investigated whether treatment with a maintenance dose of pemetrexed would inhibit the growth of non-small-cell lung carcinoma and improve survival rates after first-line therapy with pemetrexed plus cisplatin. [1]

For patients with advanced non-small cell lung carcinoma (NSCLC), maintenance therapy is sometimes used when the initial chemotherapy does not lead to improvement. [2] An alternative would be administering a second chemotherapy if the disease progresses. [2] A significant number of patients do not survive long enough for a second treatment if their disease progresses. [3] When maintenance therapy is used it may or may not consist of a different drug than the initial chemotherapy. [2]

Studies prior to PARAMOUNT had shown pemetrexed, an antifolate, had been an effective therapy for patients with NSCLC when used either as an initial chemotherapy with cisplatin or as a maintenance drug when not part of the initial therapy. [2] [4] The PARAMOUNT study was designed to measure the extent of the efficacy when a patient received pemetrexed maintenance therapy after cisplatin/pemetrexed initial therapy. [2] The study would measure progression-free survival of patients and survival irrespective of whether the cancer had progressed. [2] An additional study goal would be to check the extent to which measurement of thymidylate synthase - the naturally produced enzyme on which pemetrexed acts - could predict the efficacy of pemetrexed in these cases. [2]

Outcome

PARAMOUNT found that maintenance therapy with pemetrexed for patients with advanced non-squamous NSCLC was an effective and well tolerated treatment option in those patients who had not had progress after initial therapy with pemetrexed plus cisplatin. [1] The average life of all participants receiving the experimental treatment increased more than 13 months as compared to the control group. [5] The results of this trial should not be generalized beyond the scope of the research and the trial design must be considered to interpret these results. [6]

The result of this trial did not change the fact that the concept of maintenance therapy remains controversial and complicated. [7]

Study participants

Illustration of the lungs Lungs diagram simple.svg
Illustration of the lungs

The study intended to enroll 939 people. [8] The study started in November 2008 and was estimated to be completed in September 2013. [8] The study was conducted at locations in Australia, Belgium, Finland, France, Germany, Greece, India, Italy, the Netherlands, Poland, Portugal, Romania, Spain, Turkey, and the United Kingdom. [8]

Among other inclusion and exclusion criteria, participants must in the trial must have stage IIIB or IV nonsquamous non-small-cell lung carcinoma and have at least one measurable tumor lesion by Response Evaluation Criteria in Solid Tumors guidelines or disease which can be examined by a CT scan, but must not have non-superficial squamous-cell carcinoma or a mixture of both small-cell carcinoma and non-small-cell lung carcinoma or have had another form of cancer other than superficial basal-cell carcinoma and superficial squamous-cell carcinoma, or carcinoma in situ of the cervix within the last 5 years. [8] Patients with a history of low-grade (Gleason Grading System score equal to or less than 6) localized prostate cancer are eligible. [8]

Related Research Articles

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<span class="mw-page-title-main">Non-small-cell lung cancer</span> Any type of epithelial lung cancer other than small-cell lung carcinoma

Non-small-cell lung cancer (NSCLC), or non-small-cell lung carcinoma, is any type of epithelial lung cancer other than small-cell lung cancer (SCLC). NSCLC accounts for about 85% of all lung cancers. As a class, NSCLCs are relatively insensitive to chemotherapy, compared to small-cell carcinoma. When possible, they are primarily treated by surgical resection with curative intent, although chemotherapy has been used increasingly both preoperatively and postoperatively.

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Combined small cell lung carcinoma is a form of multiphasic lung cancer that is diagnosed by a pathologist when a malignant tumor, arising from transformed cells originating in lung tissue, contains a component of;small cell lung carcinoma (SCLC), admixed with one components of any histological variant of non-small cell lung carcinoma (NSCLC) in any relative proportion.

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<span class="mw-page-title-main">Squamous-cell carcinoma of the lung</span> Medical condition

Squamous-cell carcinoma (SCC) of the lung is a histologic type of non-small-cell lung carcinoma (NSCLC). It is the second most prevalent type of lung cancer after lung adenocarcinoma and it originates in the bronchi. Its tumor cells are characterized by a squamous appearance, similar to the one observed in epidermal cells. Squamous-cell carcinoma of the lung is strongly associated with tobacco smoking, more than any other forms of NSCLC.

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References

  1. 1 2 Paz-Ares, L.; De Marinis, F.; Dediu, M.; Thomas, M.; Pujol, J. L.; Bidoli, P.; Molinier, O.; Sahoo, T. P.; Laack, E.; Reck, M.; Corral, J. S.; Melemed, S.; John, W.; Chouaki, N.; Zimmermann, A. H.; Visseren-Grul, C.; Gridelli, C. (2012). "Maintenance therapy with pemetrexed plus best supportive care versus placebo plus best supportive care after induction therapy with pemetrexed plus cisplatin for advanced non-squamous non-small-cell lung cancer (PARAMOUNT): A double-blind, phase 3, randomised controlled trial". The Lancet Oncology. 13 (3): 247–255. doi:10.1016/S1470-2045(12)70063-3. PMID   22341744.
  2. 1 2 3 4 5 6 7 Paz-Ares, L. G.; Altug, S.; Vaury, A.; Jaime, J.; Russo, F.; Visseren-Grul, C. (2010). "Treatment rationale and study design for a phase III, double-blind, placebo-controlled study of maintenance pemetrexed plus best supportive care versus best supportive care immediately following induction treatment with pemetrexed plus cisplatin for advanced nonsquamous non-small cell lung cancer". BMC Cancer. 10: 85. doi: 10.1186/1471-2407-10-85 . PMC   2847958 . PMID   20211022.
  3. ↑ Gridelli, C.; Di Maio, M. (2010). "The role of pemetrexed as maintenance treatment in advanced NSCLC: A Phase III randomized trial". Expert Opinion on Pharmacotherapy. 11 (2): 321–324. doi:10.1517/14656560903485672. PMID   20053140. S2CID   6657623.
  4. ↑ Baldwin, C. M.; Perry, C. M. (2009). "Pemetrexed". Drugs. 69 (16): 2279–2302. doi:10.2165/11202640-000000000-00000. PMID   19852529.
  5. ↑ Bankhead, Charles (8 June 2012). "ASCO: Alimta Extends Survival in NSCLC". MedPage Today. Retrieved 16 September 2013.
  6. ↑ Eaton, K. D.; Martins, R. G. (2010). "Maintenance chemotherapy in non-small cell lung cancer". Journal of the National Comprehensive Cancer Network. 8 (7): 815–821. doi:10.6004/jnccn.2010.0058. PMID   20679540.
  7. ↑ Rothschild, S. I.; Gautschi, O. (2011). "Maintenance therapy for patients with advanced non-small cell lung cancer: Who to treat and how to treat?". Memo - Magazine of European Medical Oncology. 4: 19–22. doi:10.1007/s12254-011-0242-y. S2CID   71344182.
  8. 1 2 3 4 5 Eli Lilly and Company (April 3, 2013). "A Study of Induction and Maintenance Treatment of Advanced Non-squamous Non-Small Cell Lung Cancer". clinicaltrials.gov . National Institutes of Health . Retrieved 14 September 2013.
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