Talk:Oxymorphazone

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Fatal overdose may occur when opiates are combined with other depressants such as benzodiazepines, barbiturates, gabapentinoids, thienodiazepines, alcohol or other GABAergic substances.[1]

It is strongly discouraged to combine these substances, particularly in common to heavy doses.

Oxymorphazone
Chemical Nomenclature
Common names Oxymorphazone
Substitutive name Morphinan-6-one
Systematic name (5α,6Z)-6-Hydrazono-17-methyl-4,5-epoxymorphinan-3,14-diol
Class Membership
Psychoactive class Opioid
Chemical class Morphinan
Routes of Administration

WARNING: Always start with lower doses due to differences between individual body weight, tolerance, metabolism, and personal sensitivity. See responsible use section.



Oral
Dosage
Threshold - [5] mg
Light x1 - x2 mg
Common x1 - x2 mg
Strong x1 - x2 mg
Heavy x mg +
Duration
Total x1 - x2 hours
Onset x1 - x2 minutes
Come up x1 - x2 minutes
Peak x1 - x2 hours
Offset x1 - x2 hours
After effects x1 - x2 hours









DISCLAIMER: PW's dosage information is gathered from users and resources for educational purposes only. It is not a recommendation and should be verified with other sources for accuracy.


History and culture

Oxymorphazone was first synthesised in 1979 by a team of Chemists at Rockefeller University, New York. Recent attempts to build effective irreversible opioid agonists encouraged the team to develop a hydrazone derivative of oxymorphone.

There is no documented human consumption of oxymorphazone. This is potentially due to its high addiction liability and extremely long duration.

Chemistry

 

This chemistry section is incomplete.

You can help by adding to it.

Oxymorphazone is an opioid of the morphinan class. Oxymorphazone and other molecules of this class contain a polycyclic core of three benzene rings fused in a zig-zag pattern called phenanthrene. A fourth nitrogen containing ring is fused to the phenanthrene at R9 and R13 with the nitrogen member looking at R17 of the combined structure. This structure is called morphinan. Oxymorphazone is structurally similar to Oxymorphone, with a C6 substitution of oxygen with a hydrazone group.

Pharmacology

 

This pharmacology section is incomplete.

You can help by adding to it.

Oxymorphazone is long acting, irreversible μ-opioid receptor (MOR) agonist. This occurs due to the way in which opioids structurally mimic endogenous endorphins. Endorphins are responsible for analgesia (reducing pain), causing sleepiness, and feelings of pleasure. They can be released in response to pain, strenuous exercise, orgasm, or excitement. This mimicking of natural endorphins results in the drug's euphoric, analgesic (pain relief), and anxiolytic (anti-anxiety) effects.

These appear to stem from the way in which opioids mimic endogenous endorphins. Endorphins are responsible for analgesia (reducing pain), causing sleepiness, and feelings of pleasure. They can be released in response to pain, strenuous exercise, orgasm, or excitement. This mimicking of natural endorphins results in the drug's effects.

Oxymorphazone is estimated to be 50-100% as potent as oxymorphone[2]. Although oxymorphazone is active on its own, research suggests that oxymorphazone's extremely long duration of effects and irreversible binding is a result of rapid degradation to oxymorphonazine. Oxymorphonazine is some 20-40x more potent and forms a covalent bond with the MOR, causing extensively long clearance.

Due to strong binding affinity and it's long action, tolerance to oxymorphazone builds very rapidly[2] and physical dependence is guaranteed, even from just one administration of the substance.

Subjective effects

 
This subjective effects section is a stub.

As such, it is still in progress and may contain incomplete or wrong information.

You can help by expanding or correcting it.

Disclaimer: The effects listed below cite the Subjective Effect Index (SEI), an open research literature based on anecdotal user reports and the personal analyses of PsychonautWiki contributors. As a result, they should be viewed with a healthy degree of skepticism.

It is also worth noting that these effects will not necessarily occur in a predictable or reliable manner, although higher doses are more liable to induce the full spectrum of effects. Likewise, adverse effects become increasingly likely with higher doses and may include addiction, severe injury, or death ☠.

Physical effects
 

Cognitive effects
 

Multi-sensory effects
 


Experience reports

There are currently 0 experience reports which describe the effects of this substance in our experience index.

Additional experience reports can be found here:

Toxicity and harm potential

 

This toxicity and harm potential section is a stub.

As a result, it may contain incomplete or even dangerously wrong information! You can help by expanding upon or correcting it.
Note: Always conduct independent research and use harm reduction practices if using this substance.

It is strongly recommended that one use harm reduction practices when using this substance.

Lethal dosage

Tolerance and addiction potential

Dangerous interactions

 

This dangerous interactions section is a stub.

As such, it may contain incomplete or invalid information. You can help by expanding upon or correcting it.

Warning: Many psychoactive substances that are reasonably safe to use on their own can suddenly become dangerous and even life-threatening when combined with certain other substances. The following list provides some known dangerous interactions (although it is not guaranteed to include all of them).

Always conduct independent research (e.g. Google, DuckDuckGo, PubMed) to ensure that a combination of two or more substances is safe to consume. Some of the listed interactions have been sourced from TripSit.

  • United Kingdom - Oxymorphone is a Class A, Schedule 2 drug in the United Kingdom. It has no medical uses. [3]
  • United States - Oxymorphazone is a Schedule I Controlled Substance in the United States. It is considered to be unsafe and holds no medical value. [4]


See also

(List along order below)

Literature

  • APA formatted reference

References

  1. Risks of Combining Depressants - TripSit 
  2. 2.0 2.1 [Ling, G., Galetta, S., & Pasternak, G. (1984). Oxymorphazone: A long-acting opiate analgesic. Cellular And Molecular Neurobiology, 4(1), 1-13. doi: 10.1007/bf00710938]
  3. Psychoactive Substances Act 2016. (2016). Retrieved from http://www.legislation.gov.uk/ukpga/2016/2/schedule/2/enacted
  4. Drug Enforcement Administration Controlled Substances | https://www.deadiversion.usdoj.gov/schedules/orangebook/e_cs_sched.pdf
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