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NCT04616729: Depo-Trigger
DEPO-Trigger Trial: GnRH Agonist DEPOt TRIGGER for Final Oocyte Maturation
Phase 1, PHASE2 trial testing Triptorelin 3.75 MG Injection in Breast Cancer Female in 30 participants. Status unknown.
30 November 2025
Quick facts
| Lead sponsor | Universitair Ziekenhuis Brussel |
|---|---|
| Phase | Phase 1, PHASE2 |
| Status | Status unknown |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | treatment |
| Enrollment | 30 |
| Start date | 1 November 2022 |
| Primary completion | 30 November 2025 |
| Estimated completion | 31 December 2025 |
| Sites | 2 locations across Belgium |
Drugs / interventions tested
- Triptorelin 3.75 MG Injection — full drug profile →
- Transvaginal oocyte retrieval
- Triptorelin Injection — full drug profile →
Conditions studied
- Breast Cancer Female — all drugs for Breast Cancer Female →
Sponsor
Universitair Ziekenhuis Brussel — full company profile →
Who can join
Adults 18 to 35, female only, with Breast Cancer Female. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
For breast cancer patients who are candidates to receive chemotherapy, concurrent use of temporary ovarian suppression with gonadotropin-releasing hormone agonists (GnRHa) can be offered as ovarian protection. Because ovarian stimulation for oocyte cryopreservation is usually performed using a GnRH antagonist protocol and typically involves final oocyte maturation triggering with a GnRH agonist, the investigators designed this study to explore the feasibility of combining the final oocyte maturation trigger and the start of ovarian suppression. Short-term cotreatment with GnRH antagonists is needed to induce rapid luteolysis (in view of prevention of ovarian hyperstimulation). To demonstrate the safety of GnRH agonist depot triggering followed by daily GnRH antagonist luteolysis, this pilot study is set out to analyse the endocrine profile and ovarian morphology of this novel protocol.
Publications & conference data
No peer-reviewed publications indexed yet for this trial.
Verify or expand the search:
- PubMed search for NCT04616729
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT04616729 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Universitair Ziekenhuis Brussel
- Last refreshed: 18 May 2023
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04616729.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing