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NCT03506997: PERSEUS1
Trial of Pembrolizumab in Metastatic Castration Resistant Prostate Cancer
Phase 2 trial testing Pembrolizumab in Castration-resistant Prostate Cancer in 100 participants. Status unknown.
1 September 2023
Quick facts
| Lead sponsor | Institute of Cancer Research, United Kingdom |
|---|---|
| Phase | Phase 2 |
| Status | Status unknown |
| Study type | INTERVENTIONAL |
| Allocation | na |
| Design | single group |
| Masking | none |
| Primary purpose | treatment |
| Enrollment | 100 |
| Start date | 27 November 2018 |
| Primary completion | 1 September 2023 |
| Estimated completion | 1 September 2025 |
| Sites | 1 location across United Kingdom |
Drugs / interventions tested
- Pembrolizumab (pembrolizumab) — full drug profile →
Conditions studied
- Castration-resistant Prostate Cancer — all drugs for Castration-resistant Prostate Cancer →
Sponsor
Institute of Cancer Research, United Kingdom
Who can join
18 and older, male only, with Castration-resistant Prostate Cancer. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
PERSEUS1 is an open-label, single arm, phase II trial evaluating the efficacy of Pembrolizumab in metastatic castration resistant prostate cancer (mCRPC) patients (Part A) with a biomarker enrichment stage (Part B) if efficacy is shown in part A.
Publications & conference data
8 peer-reviewed publications reference this trial (live from Europe PMC):
-
Development of tumor mutation burden as an immunotherapy biomarker: utility for the oncology clinic.
Chan TA, Yarchoan M, Jaffee E, Swanton C, et al · · 2019 · cited 2009× · PMID 30395155 · DOI 10.1093/annonc/mdy495 -
Tumor immunotherapies by immune checkpoint inhibitors (ICIs); the pros and cons.
Naimi A, Mohammed RN, Raji A, Chupradit S, et al · · 2022 · cited 350× · PMID 35392976 · DOI 10.1186/s12964-022-00854-y -
Is There a Role for Immunotherapy in Prostate Cancer?
Rizzo A, Mollica V, Cimadamore A, Santoni M, et al · · 2020 · cited 68× · PMID 32911806 · DOI 10.3390/cells9092051 -
Programmed death receptor (PD-)1/PD-ligand (L)1 in urological cancers : the "all-around warrior" in immunotherapy.
Liu Q, Guan Y, Li S. · · 2024 · cited 50× · PMID 39223527 · DOI 10.1186/s12943-024-02095-8 -
Immune Checkpoint Inhibitors in Advanced Prostate Cancer: Current Data and Future Perspectives.
Rebuzzi SE, Rescigno P, Catalano F, Mollica V, et al · · 2022 · cited 40× · PMID 35267553 · DOI 10.3390/cancers14051245 -
The Immunotherapy and Immunosuppressive Signaling in Therapy-Resistant Prostate Cancer.
Xu P, Wasielewski LJ, Yang JC, Cai D, et al · · 2022 · cited 29× · PMID 35892678 · DOI 10.3390/biomedicines10081778 -
Molecular Mechanisms of Prostate Cancer Development in the Precision Medicine Era: A Comprehensive Review.
Maekawa S, Takata R, Obara W. · · 2024 · cited 27× · PMID 38339274 · DOI 10.3390/cancers16030523 -
Immune checkpoint inhibitors in mCRPC - rationales, challenges and perspectives.
Taghizadeh H, Marhold M, Tomasich E, Udovica S, et al · · 2019 · cited 25× · PMID 31646092 · DOI 10.1080/2162402x.2019.1644109
Verify or expand the search:
- PubMed search for NCT03506997
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Other recruiting trials for Castration-resistant Prostate Cancer
Currently open trials in the same condition.
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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 NCT03506997 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Institute of Cancer Research, United Kingdom
- Last refreshed: 22 July 2020
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/NCT03506997.
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