The chemical WAY 100635 which is a 5-HT1A antagonist and Dopamine D4 Agonist used in scientific studies is now available.
It can be bought on Russian Star Peptides.
-—> https://russianstarpeptides.com/product/way-100-635-100-x-2mg/
This drug as shown in these two studies to reverse MALE sexual dysfunction caused by SSRI’s / antidepressants can restore non-contact erections and restore orgasms/reverse anorgasmia caused by SSRI’s. (Escitalopram, Fluvoxamine, Fluoxetine, Zoloft etc)
https://pubmed.ncbi.nlm.nih.gov/19435548/
Sexual dysfunction associated with antidepressant treatment continues to be a major compliance issue for antidepressant therapies. 5-HT(1A) antagonists have been suggested as beneficial adjunctive treatment in respect of antidepressant efficacy; however, the effects of 5-HT(1A) antagonism on antidepressant-induced side-effects has not been fully examined. The present study was conducted to evaluate the ability of acute or chronic treatment with 5-HT(1A) antagonists to alter chronic fluoxetine-induced impairments in sexual function. Chronic 14-d treatment with fluoxetine resulted in a marked reduction in the number of non-contact penile erections in sexually experienced male rats, relative to vehicle-treated controls. Acute administration of the 5-HT(1A) antagonist WAY-101405 resulted in a complete reversal of chronic fluoxetine-induced deficits on non-contact penile erections at doses that did not significantly alter baselines. Chronic co-administration of the 5-HT(1A) antagonists WAY-100635 or WAY-101405 with fluoxetine prevented fluoxetine-induced deficits in non-contact penile erections in sexually experienced male rats. Moreover, withdrawal of WAY-100635 from co-treatment with chonic fluoxetine, resulted in a time-dependent reinstatement of chronic fluoxetine-induced deficits in non-contact penile erections. Additionally, chronic administration of SSA-426, a molecule with dual activity as both a SSRI and 5-HT(1A) antagonist, did not produce deficits in non-contact penile erections at doses demonstrated to have antidepressant-like activity in the olfactory bulbectomy model. Taken together, these data suggest that 5-HT(1A) antagonist treatment may have utility for the management of SSRI-induced sexual dysfunction.
https://pubmed.ncbi.nlm.nih.gov/16728720/
Doxazosin and serotonin (5-HT) receptor (1A, 2A, and 4) antagonists inhibit 5-HT-mediated human cavernosal contraction
David H W Lau et al. J Androl. 2006 Sep-Oct.
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Abstract
Penile erection results from the balance between relaxation and contractile mechanisms of the corpus cavernosum. Only a few studies suggest a role for endogenous contractile agents such as 5-hydroxytryptamine (5-HT). Our aim was to confirm the possible role of 5-HT in human erection. The effect of 5-HT on human cavernosal tissues, as well as those of doxazosin (shown previously to have 5-HT inhibitory action), ketanserin (5-HT (2A) receptor antagonist), NAN-190 (5-HT (1A) receptor antagonist), and SB 203186 (5-HT (4) receptor antagonist) on 5-HT-mediated effects, were assessed using the organ bath technique, including electrical field stimulation study (EFS). Results are presented as median (mg/mg = mg contraction/mg of tissue). Consistent 5-HT-mediated (10(-3) M) contractions were demonstrated (n = 18; 63 mg/mg). These contractions were inhibited with ketanserin by 90% (n = 8), NAN-190 by 68% (n = 12), and SB 203186 by 55% (n = 12). Doxazosin showed a similar 5-HT inhibitory action in a concentration-dependent manner (10(-4) M; 94% reduction; n = 8, 10(-6) M; 68.3% reduction; n = 8). Our EFS studies indicated the presence of neuronally derived 5-HT and that a majority of the nonnoradrenogenic contraction (54%) was mediated via 5-HT(2A) receptors. These findings suggest that 5-HT may play a role in the human detumescence process via 5-HT(1A), 5-HT(2A), and 5-HT(4) receptors. Neuronally released 5-HT is probably an important contractile neurotransmitter in the erectile process. Doxazosin, ketanserin, and 5-HT(1A) and 5-HT(4) receptor antagonists may be useful as part of combination therapy used to treat erectile dysfunction.
It may also help/treat Type 2 Diabetes.
STUDY: https://pubmed.ncbi.nlm.nih.gov/11814436/
Evidence of increased serotonin-1A receptor binding in type 2 diabetes: a positron emission tomography study
Abstract
Animal studies have shown diabetes-induced changes in the state and function of the serotonin neuroreceptor system. Diabetes also has induced structural and functional alterations in hippocampus and been associated with altered hypothalamopituitary adrenal axis regulation. In this study, serotonin-1A (5-HT(1A)) receptor binding was measured in humans with type 2 diabetes (n=6) and healthy controls (n=6), using positron emission tomography (PET) and [carbonyl-11C]WAY 100635. Significantly greater 5-HT(1A) receptor binding was detected in mesial temporal cortex, including hippocampus (P<0.05) for type 2 subjects (relative to controls). Within the type 2 group, glycosylated hemoglobin and stressed plasma cortisol levels were positively correlated (P<0.02). These findings support previous studies that suggest serotonergic underpinnings to the neurobiology of diabetes and have shown diabetes-induced neurological changes in hippocampus.
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