Deslorelin
Also known as: Deslorelin
Deslorelin is a potent synthetic GnRH (gonadotropin-releasing hormone) agonist used primarily in veterinary reproductive medicine. It downregulates the reproductive axis after an initial stimulatory phase.
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Mechanism of Action
Deslorelin is a nonapeptide analog of GnRH with high affinity for the pituitary GnRH receptor and resistance to enzymatic degradation. Initial administration produces a transient flare of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) release. With continuous exposure, GnRH receptors are downregulated and desensitized, suppressing gonadotropin secretion and downstream sex-steroid production. This sustained suppression underlies its use in chemical reproductive control and as a research tool for HPG-axis modulation.
- Half-life
- Short for the free peptide; sustained-release implants act over months
- Administration Routes
- subcutaneous
- Research Status
- Clinical
Reported Benefits
- Produces reversible suppression of the reproductive axis
- Used for reproductive control in veterinary applications
- Reliable downregulation of LH and FSH after the initial flare
- Long-acting implant formulations provide sustained effect
- Serves as a research tool for HPG-axis studies
Potential Side Effects
- Initial flare of sex hormones before suppression
- Temporary fertility changes
- Injection- or implant-site reactions
- Behavioral changes linked to altered sex-steroid levels
Common Dosing
Veterinary and research formulations use implant or injectable doses on a microgram-to-milligram scale depending on the preparation. Presented for research-use context only and not personal medical advice.
The dosing information above is aggregated from research literature and anecdotal community reports for educational purposes only. It is not a recommendation, prescription, or medical advice. Peptides are sold as research chemicals only and are not intended for human use.
Contraindications
- Pregnancy and intended breeding without veterinary oversight
- Conditions where transient hormone flare poses risk
- Not validated for human therapeutic use
Triptorelin (GnRH)
Triptorelin is a long-acting synthetic GnRH agonist used clinically to suppress sex-hormone production after an initial flare. It is applied in prostate cancer, endometriosis, precocious puberty, and fertility protocols.
Gonadorelin (GnRH)
Gonadorelin is a synthetic form of gonadotropin-releasing hormone (GnRH) studied for stimulating the pituitary release of LH and FSH. It is used in fertility research and to assess or support the hypothalamic-pituitary-gonadal axis.
Alarelin Acetate
Alarelin acetate is a synthetic gonadotropin-releasing hormone (GnRH) agonist analog used in research and veterinary/reproductive contexts to modulate the hypothalamic-pituitary-gonadal axis.
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A review of advances in the use of the GnRH agonist deslorelin in control of reproduction
2006
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Adult height in precocious puberty after long-term treatment with deslorelin
1991
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Dose-response studies for pituitary and testicular function in male dogs treated with the GnRH superagonist, deslorelin
2009
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Clinical use of deslorelin (GnRH agonist) in companion animals: a review
2014