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

2023-509255-14-01 Therapeutic exploratory (Phase II) Authorised, recruitment pending

Status Authorised, recruitment pending · 1 EU/EEA countries · 4 sites

Overview

Sponsor-declared trial summary

Phase Therapeutic exploratory (Phase II)
Status Authorised, recruitment pending
Participants planned 44
Countries 1
Sites 4

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

  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

VersionLevelCodeTermSystem organ class
20.0 PT 10060862 Prostate cancer 100000004864

Study design 1 period

#TitleAllocationBlindingRoles blindedArms
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 numberTitleSponsor
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. (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. (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

  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

  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

Teverelix TFA

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

CountryMS statusPlanned subjectsSites
Lithuania Authorised, recruitment pending 44 4
Rest of world 0

Investigational sites

Lithuania

4 sites · Authorised, recruitment pending
Vilniaus universiteto ligonine Santaros klinikos VšĮ
Urology, Santariskiu G. 2, Vilniaus M. Sav., Vilnius
Lietuvos sveikatos mokslu universiteto ligonine Kauno klinikos
Urology, Eiveniu G. 2, Kauno M. Sav., Kaunas
Nacionalinis vezio institutas
Urology, Santariskiu G. 1, Vilniaus M. Sav., Vilnius
Klaipedos universiteto ligonine VšĮ
Urology, Liepojos G. 41, Klaipedos M. Sav., Klaipeda

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment 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.

TypeTitleVersion
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

#TypeCodeSubmittedReference MSConclusionDecision 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