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Fulvestrant (Forschungskontext zur Krebschemoprävention — nur Untersuchung)

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IDDRUG-FULVESTRANT-PREVENTION
ArtArzneimittel
Aliase
FaslodexFulvestrant (Brustkrebschemoprävention)SERD chemoprevention research — fulvestrantФулвестрант (хіміопрофілактика раку молочної залози — лише дослідницький контекст)
Statusreviewed 2026-05-18 | pending_clinical_signoff
ErkrankungenNone declared
QuellenSRC-NCCN-BREAST-2025 SRC-USPSTF-BREAST-2024

Drug Facts

KlasseSelektiver Östrogenrezeptorabbau (SERD) — Forschungs-nur Chemopräventionskontext
VerfahrenPure estrogen-receptor antagonist that binds ER-α and induces its proteasomal degradation — no agonist activity in any tissue (true ER downregulator). Standard of care SECOND-LINE ENDOCRINE TREATMENT for HR+/HER2-negative metastatic breast cancer, especially after AI failure (paired with CDK4/6i, alpelisib, capivasertib). The chemoprev- ention RATIONALE is purely mechanistic — total ER blockade should theoretically prevent ER-driven carcinogenesis — but there is NO RCT-level primary-prevention evidence and the IM injection route plus toxicity profile preclude use in disease-free women. Listed here as a class-completeness entity for the SERD class only; engine MUST NOT surface for prevention.
Typische DosierungBEHANDLUNG (metastastischer HR+ Brustkrebs — für den Kontext): 500 mg IM an den Tagen 1, 15, 29, dann 500 mg I.I.M. monatlich. Zwei Injektionen 250 mg / 5 ml, eine in jedem Gesäßmuskel. CHEMOPREVENTION: Keine etablierte Dosis. NICHT empfohlen für Chemoprävention in jeder Richtlinie. Motor sollte nie Oberfläche dieses Medikament zur primären Prävention.
Ukraine registriertWahr
NSZU erstattetWahr
Ukraine zuletzt überprüft2026-05-18

Anmerkungen

STUB — v0.2 chemoprevention-workstream authoring (batch 3); pending two- Clinical-Co-Lead signoff per CHARTER §6.1 dev-mode. CLASS-COMPLETENESS entity for the SERD class — distinct from DRUG-FULVESTRANT (the treatment-context entity at drugs/fulvestrant.yaml). NO primary- prevention RCT exists for fulvestrant; the IM route + monthly clinic visit burden + toxicity profile preclude use in disease-free women. USPSTF 2024 (Grade B chemoprevention recommendation) and NCCN-Breast 2025 list tamoxifen, raloxifene, exemestane, anastrozole as chemoprevention options — NOT fulvestrant. Engine MUST NOT surface fulvestrant as a chemoprevention option. This entity exists only so SERD-class queries return a member; it is a research-only / discussion entity. Newer oral SERDs (elacestrant, giredestrant, camizestrant, imlunestrant) are in trials for treatment indications only and are also NOT prevention candidates as of 2026-05.

Verwendet von

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