NCT02927210

Brief Summary

This is a Phase I multicenter, double-blind, single dose, dose-ranging study, in healthy men to evaluate the safety and tolerability, pharmacokinetics and pharmacodynamics of Dimethandrolone Undecanoate (DMAU) administered as an intramuscular or subcutaneous injection.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
106

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Feb 2017

Longer than P75 for phase_1

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 28, 2016

Completed
8 days until next milestone

First Posted

Study publicly available on registry

October 6, 2016

Completed
4 months until next milestone

Study Start

First participant enrolled

February 15, 2017

Completed
7.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 7, 2024

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

April 29, 2025

Completed
Last Updated

October 31, 2025

Status Verified

October 1, 2025

Enrollment Period

7.7 years

First QC Date

September 28, 2016

Last Update Submit

October 29, 2025

Conditions

Keywords

Healthy MenMale ContraceptionAndrogenDimethandrolone

Outcome Measures

Primary Outcomes (20)

  • Incidence of treatment emergent adverse events (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in sexual function (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU) using the psychosexual daily questionnaire

    5-7 months

  • Changes from baseline in mood (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU) using the Patient Health Questionnaire-9

    5-7 months

  • Changes from baseline in sodium (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in potassium (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in chloride (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in bicarbonate (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in fasting glucose (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in blood urea nitrogen (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in creatinine (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in calcium (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in total bilirubin (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in alkaline phosphatase (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in alanine aminotransferase (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in aspartate transaminase (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in albumin (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in blood pressure (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in pulse (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in respiratory rate (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

  • Changes from baseline in body mass index (safety and tolerability) with a single IM or SC injection of escalating doses of Dimethandrolone Undecanoate (DMAU)

    5-7 months

Secondary Outcomes (21)

  • Pharmacokinetics of DMAU and DMA using AUC (0-t, where t is the last time-point with measurable concentration)

    5-7 months

  • Pharmacodynamics of DMAU by assessing the suppression of serum Testosterone (T) using mean values at each visit

    5-7 months

  • Pharmacodynamics of DMAU by assessing the suppression of Dihydrotestosterone (DHT) using mean values at each visit

    5-7 months

  • Pharmacodynamics of DMAU by assessing the suppression of Estradiol (E2) using mean values at each visit

    5-7 months

  • Pharmacodynamics of DMAU by assessing the suppression of Follicle Stimulating Hormone (FSH) using mean values at each visit

    5-7 months

  • +16 more secondary outcomes

Study Arms (2)

Placebo

PLACEBO COMPARATOR

Placebo injections that look like the DMAU injections but with no active ingredients

Drug: Placebo

Dimethandrolone Undecanoate

EXPERIMENTAL

Single doses of DMAU administered via injection intramuscularly (IM - 80 mg, 240 mg, 480 mg, and 800 mg) or administered subcutaneously (SC - 50 mg, 100 mg and 200 mg)

Drug: Dimethandrolone Undecanoate

Interventions

Single doses of DMAU in castor oil/benzyl benzoate injections intramuscularly (IM) (80 mg, 240 mg, 480 mg, and 800 mg) or administered subcutaneously (SC) (50 mg, 100 mg and 200 mg).

Also known as: DMAU
Dimethandrolone Undecanoate

Placebo injections that look like the DMAU injections but with no active ingredients

Placebo

Eligibility Criteria

Age18 Years - 50 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Men who meet all the following criteria are eligible for enrollment in the trial:
  • Male volunteers in good health as confirmed by physical examination, medical history, and clinical laboratory tests of blood and urine at the time of screening.
  • to 50 years of age (inclusive) at the time of the enrollment visit.
  • BMI ≤ 33 calculated as weight in kg/ (height in m2).
  • Weight ≥60 kg.
  • No history of hormonal therapy use in the three months prior to the first screening visit.
  • Agree to use a recognized effective method of contraception with any female partner (i.e. at a minimum, barrier plus an additional method of contraception) during the course of the study treatment and recovery phases until recovery is confirmed and study exit occurs.
  • Subjects will refrain from donating blood or plasma during the study period.
  • Subjects will be advised to refrain from excessive alcoholic consumption during the study period. (No more than 15 drinks per week and no alcohol consumption within 24 hours of a study visit.)
  • No known or suspected current alcohol dependence syndrome, chronic marijuana use, or any illicit drug use that may affect metabolism/transformation of steroid hormones and study treatment compliance.
  • In the opinion of the investigator, subject is able to comply with the protocol, understand and sign an informed consent and HIPAA form.
  • \. Subjects will be advised to refrain from major changes in their level of exercise during the study period.

You may not qualify if:

  • Men who meet any of the following criteria are NOT eligible for enrollment in the trial:
  • Men participating in another clinical trial involving an investigational drug within the 30 days prior to the first screening visit.
  • Men not living in the catchment area of the clinic or within a reasonable distance from the study site.
  • Clinically significant abnormal physical and laboratory findings at screening.
  • Elevated PSA (levels ≥ 2.5 ng/mL) at screening, according to local laboratory normal values.
  • Abnormal serum chemistry values at screening, according to local laboratory reference ranges that indicate liver or kidney dysfunction or that may be considered clinically significant. In addition, the following upper limits will be observed: fasting bilirubin less than 2 mg/dL, cholesterol less than 221 mg/dL, and fasting triglycerides less than 201 mg/dL.
  • Abnormal semen analyses or abnormal semen concentration as defined by the WHO semen manual.
  • Use of androgens within 3 months before first screening visit except for long acting testosterone injections (e.g. Testosterone undecanoate) which will require a wash out period of 6 months prior to screening.
  • Ongoing use of body building substances including nutritional supplements.
  • Systolic BP \> 130 mm Hg and Diastolic blood pressure BP \> 80 and mm Hg; Blood pressure (BP) will be taken 3 times at 5 - minute intervals and the mean of all measurements be used to determine eligibility).
  • Clinically significant abnormal EKG or a QTc interval of \> 450 msec.
  • PHQ-9 score of 15 or above.
  • History of hypertension, including hypertension controlled with treatment.
  • Known history of primary testicular disease or disorders of the hypothalamic-pituitary axis.
  • Benign or malignant liver tumors; active liver disease.
  • +9 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center

Torrance, California, 90509, United States

Location

University of Washington Medical Center & Health Sciences

Seattle, Washington, 98195, United States

Location

Related Publications (33)

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    PMID: 12574181BACKGROUND
  • Hild SA, Attardi BJ, Koduri S, Till BA, Reel JR. Effects of synthetic androgens on liver function using the rabbit as a model. J Androl. 2010 Sep-Oct;31(5):472-81. doi: 10.2164/jandrol.109.009365. Epub 2010 Apr 8.

    PMID: 20378929BACKGROUND
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    PMID: 22791756BACKGROUND
  • Lee KK, Berman N, Alexander GM, Hull L, Swerdloff RS, Wang C. A simple self-report diary for assessing psychosexual function in hypogonadal men. J Androl. 2003 Sep-Oct;24(5):688-98. doi: 10.1002/j.1939-4640.2003.tb02728.x.

    PMID: 12954659BACKGROUND
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MeSH Terms

Interventions

dimethandrolone-undecanoate

Study Officials

  • Christina Wang, MD

    Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center

    PRINCIPAL INVESTIGATOR
  • Stephanie Page Page, MD, PhD

    University of Washington

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
OTHER
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Program Director

Study Record Dates

First Submitted

September 28, 2016

First Posted

October 6, 2016

Study Start

February 15, 2017

Primary Completion

November 7, 2024

Study Completion

April 29, 2025

Last Updated

October 31, 2025

Record last verified: 2025-10

Locations