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==Clinical Trials==
==Clinical Trials==
Lurbinectedin is the only agent which can be used as monotherapy in the treatment of SCLC. Lurbinectedin monotherapy demonstrated the following clinical results in relapsed extensive stage SCLC:
Lurbinectedin is the only agent which can be used as monotherapy in the treatment of SCLC.{{mcn}} Lurbinectedin monotherapy demonstrated the following clinical results in relapsed extensive stage SCLC:
:* For sensitive disease (chemotherapy-free interval of ≥ 90 days) overall response rate (ORR) was 46.6% with 79.3% disease control rate and median overall survival (OS) being increased to 15.2 months.
:* For sensitive disease (chemotherapy-free interval of ≥ 90 days) overall response rate (ORR) was 46.6% with 79.3% disease control rate and median overall survival (OS) being increased to 15.2 months.{{mcn}}
:* For resistant disease (chemotherapy-free interval of < 90 days) overall response rate (ORR) was 21.3% with 46.8% disease control rate and 5.1 months median overall survival (OS).<ref>{{cite journal |last1=Paz-Ares |first1=Luis G. |last2=Trigo Perez |first2=Jose Manuel |last3=Besse |first3=Benjamin |last4=Moreno |first4=Victor |last5=Lopez |first5=Rafael |last6=Sala |first6=Maria Angeles |last7=Ponce Aix |first7=Santiago |last8=Fernandez |first8=Cristian Marcelo |last9=Siguero |first9=Mariano |last10=Kahatt |first10=Carmen Maria |last11=Zeaiter |first11=Ali Hassan |last12=Zaman |first12=Khalil |last13=Boni |first13=Valentina |last14=Arrondeau |first14=Jennifer |last15=Martinez Aguillo |first15=Maite |last16=Delord |first16=Jean-Pierre |last17=Awada |first17=Ahmad |last18=Kristeleit |first18=Rebecca Sophie |last19=Olmedo Garcia |first19=Maria Eugenia |last20=Subbiah |first20=Vivek |title=Efficacy and safety profile of lurbinectedin in second-line SCLC patients: Results from a phase II single-agent trial. |journal=Journal of Clinical Oncology |date=20 May 2019 |volume=37 |issue=15_suppl |pages=8506 |doi=10.1200/JCO.2019.37.15_suppl.8506 }}</ref>
:* For resistant disease (chemotherapy-free interval of < 90 days) overall response rate (ORR) was 21.3% with 46.8% disease control rate and 5.1 months median overall survival (OS).<ref>{{cite journal |last1=Paz-Ares |first1=Luis G. |last2=Trigo Perez |first2=Jose Manuel |last3=Besse |first3=Benjamin |last4=Moreno |first4=Victor |last5=Lopez |first5=Rafael |last6=Sala |first6=Maria Angeles |last7=Ponce Aix |first7=Santiago |last8=Fernandez |first8=Cristian Marcelo |last9=Siguero |first9=Mariano |last10=Kahatt |first10=Carmen Maria |last11=Zeaiter |first11=Ali Hassan |last12=Zaman |first12=Khalil |last13=Boni |first13=Valentina |last14=Arrondeau |first14=Jennifer |last15=Martinez Aguillo |first15=Maite |last16=Delord |first16=Jean-Pierre |last17=Awada |first17=Ahmad |last18=Kristeleit |first18=Rebecca Sophie |last19=Olmedo Garcia |first19=Maria Eugenia |last20=Subbiah |first20=Vivek |title=Efficacy and safety profile of lurbinectedin in second-line SCLC patients: Results from a phase II single-agent trial. |journal=Journal of Clinical Oncology |date=20 May 2019 |volume=37 |issue=15_suppl |pages=8506 |doi=10.1200/JCO.2019.37.15_suppl.8506 }}</ref>


Lurbinectedin in is also being investigated in combination with [[doxorubicin]] as second-line therapy in a randomized phase 3 trial. While overall survival in this trial is not yet known, response rates at second line were
Lurbinectedin in is also being investigated in combination with [[doxorubicin]] as second-line therapy in a randomized Phase III trial.{{mcn}} While overall survival in this trial is not yet known, response rates at second line were
:* 91.7% in sensitive disease with median progression-free survival of 5.8 months, and
:* 91.7% in sensitive disease with median progression-free survival of 5.8 months, and
:* 33.3% in resistant disease with median progression-free of 3.5 months.<ref name=pmid28961837>{{cite journal |last1=Calvo |first1=E. |last2=Moreno |first2=V. |last3=Flynn |first3=M. |last4=Holgado |first4=E. |last5=Olmedo |first5=M.E. |last6=Lopez Criado |first6=M.P. |last7=Kahatt |first7=C. |last8=Lopez-Vilariño |first8=J.A. |last9=Siguero |first9=M. |last10=Fernandez-Teruel |first10=C. |last11=Cullell-Young |first11=M. |last12=Soto Matos-Pita |first12=A. |last13=Forster |first13=M. |title=Antitumor activity of lurbinectedin (PM01183) and doxorubicin in relapsed small-cell lung cancer: results from a phase I study |journal=Annals of Oncology |date=October 2017 |volume=28 |issue=10 |pages=2559–2566 |doi=10.1093/annonc/mdx357 |pmid=28961837 |pmc=5834091 |lay-url=https://www.prnewswire.com/news-releases/pharmamar-and-bionical-emas-launch-expanded-access-program-for-lurbinectedin-in-relapsed-small-cell-lung-cancer-in-the-us-300993470.html }}</ref>
:* 33.3% in resistant disease with median progression-free of 3.5 months.<ref name=pmid28961837>{{cite journal |last1=Calvo |first1=E. |last2=Moreno |first2=V. |last3=Flynn |first3=M. |last4=Holgado |first4=E. |last5=Olmedo |first5=M.E. |last6=Lopez Criado |first6=M.P. |last7=Kahatt |first7=C. |last8=Lopez-Vilariño |first8=J.A. |last9=Siguero |first9=M. |last10=Fernandez-Teruel |first10=C. |last11=Cullell-Young |first11=M. |last12=Soto Matos-Pita |first12=A. |last13=Forster |first13=M. |title=Antitumor activity of lurbinectedin (PM01183) and doxorubicin in relapsed small-cell lung cancer: results from a phase I study |journal=Annals of Oncology |date=October 2017 |volume=28 |issue=10 |pages=2559–2566 |doi=10.1093/annonc/mdx357 |pmid=28961837 |pmc=5834091 |lay-url=https://www.prnewswire.com/news-releases/pharmamar-and-bionical-emas-launch-expanded-access-program-for-lurbinectedin-in-relapsed-small-cell-lung-cancer-in-the-us-300993470.html }}</ref>

Revision as of 04:29, 28 June 2020

Lurbinectedin
Clinical data
Trade namesZepzelca
Other namesPM-01183
License data
Routes of
administration		Intravenous
Drug classAntineoplastic agent
ATC code
  • none
Legal status
Legal status
Identifiers
  • [(1R,2R,3R,11S,12S,14R,26R)-5,12-dihydroxy-6,6'-dimethoxy-7,21,30-trimethyl-27-oxospiro[17,19,28-trioxa-24-thia-13,30-diazaheptacyclo[12.9.6.13,11.02,13.04,9.015,23.016,20]triaconta-4(9),5,7,15,20,22-hexaene-26,1'-2,3,4,9-tetrahydropyrido[3,4-b]indole]-22-yl] acetate
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEMBL
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC41H44N4O10S
Molar mass784.87 g·mol−1
3D model (JSmol)
  • CC1=CC2=C([C@@H]3[C@@H]4[C@H]5C6=C(C(=C7C(=C6[C@@H](N4[C@H]([C@H](C2)N3C)O)COC(=O)[C@@]8(CS5)C9=C(CCN8)C2=C(N9)C=CC(=C2)OC)OCO7)C)OC(=O)C)C(=C1OC)O
  • InChI=1S/C41H44N4O10S/c1-17-11-20-12-25-39(48)45-26-14-52-40(49)41(38-22(9-10-42-41)23-13-21(50-5)7-8-24(23)43-38)15-56-37(31(45)30(44(25)4)27(20)32(47)33(17)51-6)29-28(26)36-35(53-16-54-36)18(2)34(29)55-19(3)46/h7-8,11,13,25-26,30-31,37,39,42-43,47-48H,9-10,12,14-16H2,1-6H3/t25-,26-,30+,31+,37+,39-,41+/m0/s1
  • Key:YDDMIZRDDREKEP-HWTBNCOESA-N

Lurbinectedin, sold under the brand name Zepzelca, is a medication for the treatment of adults with metastatic small cell lung cancer (SCLC) with disease progression on or after platinum-based chemotherapy.[1][2][3]

The most common side effects include leukopenia, lymphopenia, fatigue, anemia, neutropenia, increased creatinine, increased alanine aminotransferase, increased glucose, thrombocytopenia, nausea, decreased appetite, musculoskeletal pain, decreased albumin, constipation, dyspnea, decreased sodium, increased aspartate aminotransferase, vomiting, cough, decreased magnesium and diarrhea.[1][2][3]

Lurbinectedin is a synthetic tetrahydropyrrolo [4, 3, 2-de]quinolin-8(1H)-one alkaloid analogue with potential antineoplastic activity.[4] Lurbinectedin covalently binds to residues lying in the minor groove of DNA, which may result in delayed progression through S phase, cell cycle arrest in the G2/M phase and cell death.[4]

Lurbinectedin was approved for medical use in the United States in June 2020.[5][1][2][3][6]

Clinical Trials

Lurbinectedin is the only agent which can be used as monotherapy in the treatment of SCLC.

Lurbinectedin monotherapy demonstrated the following clinical results in relapsed extensive stage SCLC:

Lurbinectedin in is also being investigated in combination with doxorubicin as second-line therapy in a randomized Phase III trial.

While overall survival in this trial is not yet known, response rates at second line were

  • 91.7% in sensitive disease with median progression-free survival of 5.8 months, and
  • 33.3% in resistant disease with median progression-free of 3.5 months.[8]

Lurbinectedin is available in the U.S. under Expanded Access Program (EAP).[8][9]

Structure

Lurbinectedin is structurally similar to trabectedin, although the tetrahydroisoquinoline present in trabectedin is replaced with a tetrahydro β-carboline which enables lurbinectedin to exhibit increased antitumor activity compared with trabectedin.[10]

Biosynthesis

Lurbinectedin a marine agent isolated from the sea squirt species Ecteinascidia turbinata. Synthetic production is necessary because very small amounts can be obtained from sea organisms. For example, one ton (1000 kg) of sea squirts are required to produce one gram of trabectedin, which is analogue of lurbinectedin. Complex synthesis of lurbinectedin starts from small, common starting materials that require twenty-six individual steps to produce the drug with overall yield of 1.6%. [11][12]

Mechanism of action

According to PharmaMar,[13] lurbinectedin inhibits the active transcription of the encoding genes. This has two consequences. On one hand, it promotes tumor cell death, and on the other it normalizes tumor microenvironment. Active transcription is the process by which there are specific signal where information contained in the DNA sequence is transferred to an RNA molecule. This activity depends on the activity of an enzyme called RNA polymerase II. Lurbinectedin inhibits transcription through a very precise mechanism. Firstly, lurbinectedin binds to specific DNA sequences. It is at these precise spots that slides down the DNA to produce RNA polymerase II that is blocked and degraded by lurbinectedin. Lurbinectedin also has important role in tumor microenvironment. The tumor cells act upon macrophages to avoid them from behaving like an activator of the immune system. Literally, macrophages work in any tumor's favor. Macrophages can contribute to tumor growth and progression by promoting tumor cell proliferation and invasion, fostering tumor angiogenesis and suppressing antitumor immune cells.[14][15] Attracted to oxygen-starved (hypoxic) and necrotic tumor cells they promote chronic inflammation. So, not only that macrophages inhibit immune system avoiding the destruction of tumor cells, but they also create tumor tissue that allows tumor growth. However, macrophages associated with tumors are cells that are addicted to the transcription process. Lurbinectedin acts specifically on the macrophages associated with tumors in two ways: firstly, by inhibiting the transcription of macrophages that leads to cell death and secondly, inhibiting the production of tumor growth factors. In this way, lurbinectedin normalizes the tumor microenvironment.

History

Lurbinectedin was approved for medical use in the United States in June 2020.[5][1][2][3][6]

Efficacy was demonstrated in the PM1183-B-005-14 trial (Study B-005; NCT02454972), a multicenter open-label, multi-cohort study enrolling 105 participants with metastatic SCLC who had disease progression on or after platinum-based chemotherapy.[3][6] Participants received lurbinectedin 3.2 mg/m2 by intravenous infusion every 21 days until disease progression or unacceptable toxicity.[3] The trial was conducted at 26 sites in the United States, Great Britain, Belgium, France, Italy, Spain and Czech Republic.[6]

The U.S. Food and Drug Administration (FDA) granted the application for lurbinectedin priority review and orphan drug designations and granted the approval of Zepzelca to Pharma Mar S.A.[3][16]

References

  1. ^ a b c d "Zepzelca (lurbinectedin) for injection, for intravenous use" (PDF). Retrieved 15 June 2020.
  2. ^ a b c d "Jazz Pharmaceuticals Announces U.S. FDA Accelerated Approval of Zepzelca (lurbinectedin) for the Treatment of Metastatic Small Cell Lung Cancer" (Press release). Jazz Pharmaceuticals. 15 June 2020. Retrieved 15 June 2020 – via PR Newswire.
  3. ^ a b c d e f g "FDA grants accelerated approval to lurbinectedin for metastatic small". U.S. Food and Drug Administration (FDA). 15 June 2020. Retrieved 16 June 2020. Public Domain This article incorporates text from this source, which is in the public domain.
  4. ^ a b "Lurbinectedin". National Cancer Institute. Retrieved 15 June 2020. Public Domain This article incorporates text from this source, which is in the public domain.
  5. ^ a b "Zepzelca: FDA-Approved Drugs". U.S. Food and Drug Administration (FDA). Retrieved 15 June 2020.
  6. ^ a b c d "Drug Trials Snapshots: Zepzelca". U.S. Food and Drug Administration (FDA). 15 June 2020. Retrieved 28 June 2020. Public Domain This article incorporates text from this source, which is in the public domain.
  7. ^ Paz-Ares, Luis G.; Trigo Perez, Jose Manuel; Besse, Benjamin; Moreno, Victor; Lopez, Rafael; Sala, Maria Angeles; Ponce Aix, Santiago; Fernandez, Cristian Marcelo; Siguero, Mariano; Kahatt, Carmen Maria; Zeaiter, Ali Hassan; Zaman, Khalil; Boni, Valentina; Arrondeau, Jennifer; Martinez Aguillo, Maite; Delord, Jean-Pierre; Awada, Ahmad; Kristeleit, Rebecca Sophie; Olmedo Garcia, Maria Eugenia; Subbiah, Vivek (20 May 2019). "Efficacy and safety profile of lurbinectedin in second-line SCLC patients: Results from a phase II single-agent trial". Journal of Clinical Oncology. 37 (15_suppl): 8506. doi:10.1200/JCO.2019.37.15_suppl.8506.
  8. ^ a b Calvo, E.; Moreno, V.; Flynn, M.; Holgado, E.; Olmedo, M.E.; Lopez Criado, M.P.; Kahatt, C.; Lopez-Vilariño, J.A.; Siguero, M.; Fernandez-Teruel, C.; Cullell-Young, M.; Soto Matos-Pita, A.; Forster, M. (October 2017). "Antitumor activity of lurbinectedin (PM01183) and doxorubicin in relapsed small-cell lung cancer: results from a phase I study". Annals of Oncology. 28 (10): 2559–2566. doi:10.1093/annonc/mdx357. PMC 5834091. PMID 28961837. {{cite journal}}: Unknown parameter |lay-url= ignored (help)
  9. ^ Farago, Anna F; Drapkin, Benjamin J; Lopez-Vilarino de Ramos, Jose Antonio; Galmarini, Carlos M; Núñez, Rafael; Kahatt, Carmen; Paz-Ares, Luis (January 2019). "ATLANTIS: a Phase III study of lurbinectedin/doxorubicin versus topotecan or cyclophosphamide/doxorubicin/vincristine in patients with small-cell lung cancer who have failed one prior platinum-containing line". Future Oncology. 15 (3): 231–239. doi:10.2217/fon-2018-0597. PMC 6331752. PMID 30362375.
  10. ^ Takahashi, Ryoko; Mabuchi, Seiji; Kawano, Mahiru; Sasano, Tomoyuki; Matsumoto, Yuri; Kuroda, Hiromasa; Kozasa, Katsumi; Hashimoto, Kae; Sawada, Kenjiro; Kimura, Tadashi (17 March 2016). "Preclinical Investigations of PM01183 (Lurbinectedin) as a Single Agent or in Combination with Other Anticancer Agents for Clear Cell Carcinoma of the Ovary". PLOS ONE. 11 (3): e0151050. Bibcode:2016PLoSO..1151050T. doi:10.1371/journal.pone.0151050. PMC 4795692. PMID 26986199.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  11. ^ Total synthesis of marine antitumor agents trabectedin and lurbinectedin | https://www.sciencedaily.com/releases/2019/02/190219111659.htm
  12. ^ A Scalable Total Synthesis of the Antitumor Agents Et‐743 and Lurbinectedin | https://onlinelibrary.wiley.com/doi/full/10.1002/anie.201900035
  13. ^ PharmaMar presentation of Lurbinectedin's Mechanism of Action Lurbinectedin Mechanisim of Action | https://www.youtube.com/watch?v=8daELhxAXcQ
  14. ^ Qian BZ, Pollard JW (April 2010). "Macrophage diversity enhances tumor progression and metastasis". Cell. 141 (1): 39–51. doi:10.1016/j.cell.2010.03.014. PMC 4994190. PMID 20371344.
  15. ^ Engblom C, Pfirschke C, Pittet MJ (July 2016). "The role of myeloid cells in cancer therapies". Nature Reviews. Cancer. 16 (7): 447–62. doi:10.1038/nrc.2016.54. PMID 27339708.
  16. ^ "Lurbinectedin Orphan Drug Designation and Approval". U.S. Food and Drug Administration (FDA). 1 August 2018. Retrieved 16 June 2020.
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