Сравнение
Cetrorelix vs. Gonadorelin
Два пептида рядом — идентичность, доказательная база, правовой статус и известные нежелательные явления.
Идентичность
Категория
Исследования (прочее)
Исследования (прочее)
Номер CAS
120287-85-6
33515-09-2
Молекулярная масса
1431.06 g/mol
1182.29 g/mol
Период полувыведения
нет данных
0.1 h
Последовательность
нет данных
pGlu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH2Механизм действия
Cetrorelix
Cetrorelix competitively and immediately blocks the pituitary GnRH receptor, rapidly suppressing LH and FSH release — without the initial hormone surge ('flare') of GnRH agonists.
Gonadorelin
Gonadorelin acts as an agonist at the GnRH receptor on the gonadotroph cells of the pituitary and triggers release of the gonadotropins luteinizing hormone (LH) and follicle-stimulating hormone (FSH). The temporal pattern of receptor exposure is decisive: pulsatile administration mimics the natural hypothalamic secretory rhythm and sustains LH/FSH release, whereas continuous exposure leads to receptor internalisation and desensitisation with subsequent paradoxical suppression of gonadotropins. The latter principle is exploited therapeutically by longer-acting GnRH agonists.
Доказательная база
Наивысшая доказательность
РКИ на людях
Исследование на людях
Исследования
0
4
из них на людях
0
4
Зафиксированные эффекты
2
4
Открытые противоречия
0
1
Задокументированные нежелательные явления
1
2
Правовой статус
Полные записи
Frequently asked questions
- What is the difference between Cetrorelix and Gonadorelin?
- Cetrorelix is classified as "Исследования (прочее)", while Gonadorelin is classified as "Исследования (прочее)". Cetrorelix: Cetrorelix is a synthetic decapeptide and GnRH antagonist. It is used in assisted reproduction (IVF) to prevent a premature LH surge during controlled ovarian stimulation. Gonadorelin: Gonadorelin is the synthetic decapeptide with an amino-acid sequence identical to endogenous gonadotropin-releasing hormone (GnRH/LHRH). Historically approved in several countries for diagnostic testing of pituitary function and for fertility indications (pump systems). A defining feature is the opposite effect of pulsatile versus continuous administration: pulsatile stimulates, continuous leads to receptor desensitisation. This page contrasts both neutrally and source-based — with no usage or dosing recommendation.
- Which peptide is better supported by science, Cetrorelix or Gonadorelin?
- The highest available evidence level is "РКИ на людях" for Cetrorelix and "Исследование на людях" for Gonadorelin. A higher evidence level means more robust data, but says nothing about suitability for an individual. The full body of evidence is on each peptide's own page.
- What is the legal status of Cetrorelix and Gonadorelin in Germany and the United States?
- Германия: Cetrorelix — Рецептурный, Gonadorelin — Рецептурный. США: Cetrorelix — Рецептурный, Gonadorelin — Рецептурный. These are factual summaries with source and review date on the individual pages.