Overview

Evaluation of Safety and Efficacy of Estetrol in Healthy Men

Status:
Completed
Trial end date:
2017-02-01
Target enrollment:
0
Participant gender:
Male
Summary
The current study is designed as a phase Ib multiple dose study to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of E4 in healthy men after daily oral administration for 28 days.
Phase:
Phase 1
Accepts Healthy Volunteers?
Accepts Healthy Volunteers
Details
Lead Sponsor:
Pantarhei Oncology B.V.
Criteria
Inclusion Criteria:

- Male, age between 40 and 70 years (both inclusive);

- Good physical and mental health as judged by the Investigator determined by medical
history, physical examination (including prostate palpation), clinical laboratory,
vital signs and ECG recording;

- Body mass index between ≥ 18.5 and ≤ 30.0 kg/m2;

- Normal prostate-specific antigen (PSA) value (< 3.0 ng/mL);

- Non-vasectomized men must agree to use a condom with spermicide or abstain from sexual
intercourse during the study until 90 days beyond the last dose of study medication.
Men who have been vasectomized less than 4 months prior to study start must follow the
same restrictions as non-vasectomized men;

- Men must agree not to donate sperm from the first dose until 90 days after the last
dose;

- Ability to communicate well with the Investigator and to comply with the requirements
of the entire study;

- Willing to give informed consent in writing.

Exclusion Criteria:

- Any clinically significant abnormality following review of medical history, laboratory
results, physical examination and ECG at screening as judged by the Investigator;

- Conditions or disorders that might affect the absorption, distribution, metabolism or
excretion of any of the study drugs;

- Previous use of steroids within:

- 8 weeks for oral preparations

- 4 weeks for transdermal preparations

- Any time for injections;

- Contraindications for steroids or estetrol;

- Prostate hyperplasia or micturition problems that suggest the presence of prostate
hyperplasia;

- Presence of an active acute or chronic infection, including syphilis, HIV or viral
hepatitis B and/or C (or previously treated);

- Treatment for any major psychiatric disorder in the previous 12 months or use of
antidepressant medication before screening;

- Hypersensitivity to the active substances or to any of the excipients of the
investigational product or placebo therapy;

- Use of probiotics (as present in dairy products, fortified foods etc.) during the 3
months before screening and during the clinical study;

- Use of one or more of the following medications:

- Antihypertensive drugs

- Present use or use within 30 days before the start of the study drug of the
following drugs: aprepitant, bosentan, armodafinil, phenytoin, barbiturates,
primidone, carbamazepine, oxcarbazepine, glucocorticoids, topiramate, felbamate,
rifampicin, clobazamechinacea; vemurafenib, non-nucleoside reverse transcriptase
inhibitors, griseofulvin, ketoconazole, and herbal remedies containing Hypericum
perforatum

- Any medication (including over-the-counter products) within 14 days before first
dosing except for occasional non-steroidal anti-inflammatory drugs (NSAIDs; e.g.
ibuprofen); paracetamol is not permitted

- Use of antibiotics;

- Administration of any other investigational drug within 3 months before first dosing;

- Loss of more than 400 mL blood during the 3 months before screening, e.g. as a blood
donor, or intention to donate blood in the 3 months after completing the study;

- Subjects with a history of (within 12 months) alcohol or drug abuse or with a positive
result at screening, for tests of:

- alcohol intake

- drug abuse;

- Currently smoking or smoked within the last 6 months before screening.