Dinalbuphine sebacate

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Dinalbuphine sebacate
Clinical data
Other namesDNS; Nalbuphine sebacate; Sebacoyldinalbuphine; SDN; Sebacoyl dinalbuphine ester; SDE; LT-1001
Routes of
administration		Intramuscular injection
Drug classOpioid analgesic
Pharmacokinetic data
Bioavailability• IMTooltip Intramuscular injection: 85.4% (relative to nalbuphine)[1]
MetabolismHydrolysis[2]
MetabolitesNalbuphine[1]
Elimination half-life• DNS: 83.2 hours (mean absorption time: 145.2 hours)[1]
• Nalbuphine: 4.0 hours
Identifiers
  • Bis[(4R,4aS,7S,7aR,12bS)-3-(cyclobutylmethyl)-4a,7-dihydroxy-1,2,4,5,6,7,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinoline-9-yl] decanedioate
JSmol)
  • C1CC(C1)CN2CC[C@]34[C@@H]5[C@H](CC[C@]3([C@H]2CC6=C4C(=C(C=C6)OC(=O)CCCCCCCCC(=O)OC7=C8C9=C(C[C@@H]1[C@]2([C@]9(CCN1CC1CCC1)[C@@H](O8)[C@H](CC2)O)O)C=C7)O5)O)O
  • InChI=1S/C52H68N2O10/c55-35-19-21-51(59)39-27-33-15-17-37(45-43(33)49(51,47(35)63-45)23-25-53(39)29-31-9-7-10-31)61-41(57)13-5-3-1-2-4-6-14-42(58)62-38-18-16-34-28-40-52(60)22-20-36(56)48-50(52,44(34)46(38)64-48)24-26-54(40)30-32-11-8-12-32/h15-18,31-32,35-36,39-40,47-48,55-56,59-60H,1-14,19-30H2/t35-,36-,39+,40+,47-,48-,49-,50-,51+,52+/m0/s1
  • Key:ALOIOAGKUOQNID-ITCIXCFHSA-N

Dinalbuphine sebacate (DNS), also known as nalbuphine sebacate or as sebacoyl dinalbuphine ester (SDE) and sold under the brand name Naldebain, is a non-controlled

postoperative pain.[3][4][5]

The compound is a

duration of action of nalbuphine, which has a short duration and requires frequent injections.[7][5][2][1] Whereas nalbuphine must be injected every 4 to 6 hours, a single injection of DNS lasts for up to 7 to 10 days.[5]

It was invented by professor Oliver Yoa-Pu Hu (National Defense Medical Center) and codeveloped with Lumosa Therapeutics. Naldebain received market approvals from Taiwan FDA in March 2017, Health Sciences Authority of Singapore in December 2020, the Ministry of Public Health of Thailand in December 2021, the Drug Control Authority of Malaysia in 2022, State Service of Ukraine on Medicines and Drugs Control and Brunei Darussalam Medicines Control Authority (BDMCA) in 2023.[3][4] Development is ongoing in the United States, China, Korea, and the Philippines.[8]

Medical uses

Naldebain is indicated for the relief of moderate to severe acute postsurgical pain, administered intramuscularly. The product is available in single-use vials; 2 mL single use vial (75 mg/mL) for IM injection is packaged in a carton.[8]

Pack shot of Naldebain

Pharmacology

Pharmacodynamics

Nalbuphine, and hence DNS, acts as a

mixed agonist/antagonist opioid modulator, or more specifically as a moderate-efficacy partial agonist or antagonist of the μ-opioid receptor and as a high-efficacy partial agonist of the κ-opioid receptor.[5][9][10][11][12]

Pharmacokinetics

The release mechanism of dinalbuphine sebacate (DNS) upon IM injection is as follows:[13]

  1. Upon intramuscular injection, Naldebain first forms an oil depot in the muscle
  2. The oil depot gradually disperses as small droplets in the surrounding tissues
  3. The prodrug dinalbuphine sebacate gradually diffuses out from the droplets, after which it gets hydrolyzed to the active ingredient nalbuphine via two different mechanisms:
    • a small portion of the prodrug gets hydrolyzed by esterases to release the active ingredient, nalbuphine, in the surrounding tissue cells
    • the majority of the prodrug enters the bloodstream through local tissue lymph drainage and gets hydrolyzed to nalbuphine in the blood

References

  1. ^
    S2CID 10814898
    .
  2. ^
    S2CID 13206545
    .
  3. ^ a b "Dinalbuphine sebacate - Lumosa Therapeutics". AdisInsight. Springer Nature Switzerland AG.
  4. ^ a b "Lumosa Therapeutics Partners with Camargo Pharmaceutical Services in the Development of Naldebain(R) in the US". www.prnewswire.com (Press release).
  5. ^
    S2CID 21247898
    .
  6. PMID 11076077
    .
  7. PMID 23460034
    .
  8. ^ a b "Lumosa Therapeutics". www.lumosa.com.tw. Retrieved 2023-11-23.
  9. S2CID 25378355
    .
  10. PMID 2986929
    .
  11. ISBN 978-0-7817-8763-5
    .
  12. PMID 17407276
    .
  13. ^ "BarashLumosa Therapeutics". www.lumosa.com.tw. Retrieved 2020-12-18.

External links

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