Overview
Sponsor-declared trial summary
Advanced prostate cancer
To evaluate the efficacy of a dosing regimen of teverelix DP in attaining by Day 29 and sustaining to Day 155 castration rate defined as the cumulative probability of testosterone suppression to < 0.5 ng/mL with the lower bound of the 95% confidence interval (CI) being > 90%
Key facts
- Sponsor
- Antev Limited, Antev Nordic AB
- Participant type
- Patients
- Age range
- 18-64 years, 65+ years
- Gender
- Male
- Therapeutic area
- Diseases [C] - Neoplasms [C04]
- Decision date (initial)
- 2024-04-19
- Transition trial
- No
- Low-intervention
- No
- Rare-disease indication
- No
- Vulnerable population
- No
- Funding sources
- Antev Ltd.
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Efficacy, Safety, Pharmacodynamic, Pharmacokinetic, Therapy
To evaluate the efficacy of a dosing regimen of teverelix DP in attaining by Day 29 and sustaining to Day 155 castration rate defined as the cumulative probability of testosterone suppression to < 0.5 ng/mL with the lower bound of the 95% confidence interval (CI) being > 90%
Secondary objectives 1
- To evaluate the ability of a dosing regimen of teverelix DP in attaining by Day 29 and sustaining to Day 155 profound castration rate defined as the cumulative probability of testosterone suppression to < 0.2 ng/mL
Conditions and MedDRA coding
Advanced prostate cancer
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 20.0 | PT | 10060862 | Prostate cancer | 100000004864 |
Study design 1 period
| # | Title | Allocation | Blinding | Roles blinded | Arms |
|---|---|---|---|---|---|
| 1 | Teverelix DP single-arm, open-label, multi-centre This is a single-arm, open-label, multi-centre trial where all trial participants will receive the same treatment of 540 mg teverelix DP (loading dose) on Day 1 and 360 mg teverelix DP (maintenance dose) on Days 29; 71; 113 and 155
|
Not Applicable | None |
Regulatory references
- Scientific advice from competent authorities
- Food And Drug Administration, European Medicines Agency
- Plan to share IPD
- No
- IPD plan description
- not sure yet
| EU CT number | Title | Sponsor |
|---|---|---|
| 2023-509255-14-00 | A Phase 2, Open-Label, Single-Arm, Multicentre Study Investigating the Pharmacokinetics, Pharmacodynamics, Efficacy and Safety of Teverelix DP, a Gonadotropin-releasing Hormone (GnRH) Antagonist, in Participants with Advanced Prostate Cancer | Antev Limited |
| 2023-505535-13-00 | A Phase 2, Open-Label, Single-Arm, Multicentre Study Investigating the Pharmacokinetics, Pharmacodynamics, Efficacy and Safety of Teverelix DP, a Gonadotropin-releasing Hormone (GnRH) Antagonist, in Participants with Advanced Prostate Cancer | Antev Limited |
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 1
- (1) Is male, aged ≤85 years (≥18 years) at the beginning of the treatment period (Day 1) (2) Has histologically proven advanced adenocarcinoma of the prostate (metastatic or non- metastatic, hormone-sensitive, non-curative), suitable for androgen deprivation therapy (3) Is treatment naïve for GnRH analogues
Exclusion criteria 1
- (1) Has abnormal screening and/or baseline laboratory values that suggest a clinically significant underlying disease, or the following laboratory values: (a) Liver function test (aspartate aminotransferase [ASAT/SGOT], alanine aminotransferase [ALAT/SGPT]), exceeding >2X the upper limit of the normal (ULN) range (b) Total bilirubin exceeding >1.5X the upper limit of the normal (ULN) range (c) Creatinine twice the ULN range (d) Uncontrolled diabetes (HbA1c >7.5%) or previously undiagnosed diabetes mellitus with HbA1c >6.5% (e) An estimated glomerular filtration rate (eGFR) < 30 mL/min, based on creatinine clearance calculation by the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation normalized to an average surface area of 1.73m2, at the screening visit. (2) Has any contraindication to the use of teverelix DP (3) Has a life expectancy of less than 1 year (4) Has T levels <1.5 ng/mL at screening (5) Has a medical history of bilateral orchidectomy
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 1
- The sustained castration rate defined as the cumulative probability of achieving testosterone suppression to castrate levels of ≤ 0.5 ng/mL (1.7 nmol/L) while on study treatment from Study Day 29 through Study Day 155
Secondary endpoints 1
- The sustained castration rate, defined as the cumulative probability of testosterone suppression to ≤ 0.2 ng/mL (0.7 nmol/L) while on study treatment from Study Day 29 through Study Day 155
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 1
PRD10625711 · Product
- Active substance
- Teverelix
- Pharmaceutical form
- SOLUTION FOR INJECTION
- Route of administration
- PARENTERAL
- Max daily dose
- 10.5 mg milligram(s)
- Max total dose
- 1620 mg milligram(s)
- Max treatment duration
- 22 Week(s)
- Authorisation status
- Not Authorised
- MA holder
- ANTEV LIMITED
- Paediatric formulation
- No
- Orphan designation
- No
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Antev Limited
- Sponsor organisation
- Antev Limited
- Address
- 106 New Bond Street
- City
- London
- Postcode
- W1S 1DN
- Country
- United Kingdom
Scientific contact point
- Organisation
- Antev Limited
- Contact name
- Carol Marion MacLean
Public contact point
- Organisation
- Antev Limited
- Contact name
- Carol Marion MacLean
Antev Nordic AB
- Sponsor organisation
- Antev Nordic AB
- Address
- Per Albin Hanssons Vag 41, Fosie Fosie
- City
- Malmo
- Postcode
- 214 32
- Country
- Sweden
Sponsor responsibilities
- Contact point sponsor
- Antev Limited
- Article 77 implementation
- Antev Limited
Locations
1 EU/EEA country · 4 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| Lithuania | Authorised, recruitment pending | 44 | 4 |
| Rest of world | — | 0 | — |
Investigational sites
Country notifications
Trial-start, recruitment-start, end and early-termination notifications submitted per Member State
| Country | Trial start | Trial end | Recruitment start | Recruitment end | Early termination |
|---|---|---|---|---|---|
| Lithuania |
Results and documents
Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial
Documents 7 files
Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.
| Type | Title | Version |
|---|---|---|
| Protocol (for publication) | D1_protocol_2023-509255-14-01_REDACTED | 2 |
| Protocol (for publication) | D1_protocol_2023-509255-14-01_REDBOX | 2 |
| Recruitment arrangements (for publication) | K1_ANT-1111-05_Recruitment-Arrangements_LTU_11Jul2023_Public | 1 |
| Recruitment arrangements (for publication) | K2_ANT-1111-05_Recruitment-Process_LTU_Lithuanian_11Jul2023_Public | 1 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_V2_LT_24Apr2024_clean | 2 |
| Subject information and informed consent form (for publication) | L2_ANT-1111-05_Patient Card_LTU_Lithuanian_v1_0_11Jul2023_Public | 1 |
| Synopsis of the protocol (for publication) | D1 _Protocol synopsis_2023-509255-14-01 _V2_24Apr2024_LT | 2 |
Application history
3 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2024-02-06 | Lithuania | Acceptable 2024-04-02
|
2024-04-19 |
| 2 | SUBSTANTIAL MODIFICATION | SM-1 | 2024-04-29 | Lithuania | Acceptable 2024-06-11
|
2024-07-18 |
| 3 | SUBSTANTIAL MODIFICATION | SM-6 | 2026-01-19 | Lithuania | Acceptable 2026-01-21
|
2026-01-21 |