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New formulation of testosterone undecanoate in hypogonadal men: a pharmacokinetic and pharmacodynamic study of a novel formulation of testosterone undecanoate in hypogonadal Asian men
ISRCTN ISRCTN56557137
ClinicalTrials.gov identifier
Public title New formulation of testosterone undecanoate in hypogonadal men: a pharmacokinetic and pharmacodynamic study of a novel formulation of testosterone undecanoate in hypogonadal Asian men
Scientific title
Acronym N/A
Serial number at source WHO/HRP ID A25166
Study hypothesis 1. Describe the Pharmacokinetic (PK) profile of a new formulation of Testosterone Undecanoate (TU) (250 mg/ml in soy bean oil); and
2. Compare two doses of this formulation of TU with a single dose of formulations that are currently being evaluated in clinical trials

Due to funding limitations and focus on an alternative intervention, the study was never initiated and has been withdrawn from the World Health Organization (WHO) directory.
Ethics approval Not provided at time of registration
Study design Randomised controlled trial
Countries of recruitment China, Indonesia, possibly India
Disease/condition/study domain Male contraception
Participants - inclusion criteria 1. Male participants age 18 to 50 years
2. Diagnosed with hypogonadism (androgen values below the normal range for the centre)
3. Not concurrently undergoing other androgen therapy
Participants - exclusion criteria No exclusion criteria
Anticipated start date 01/01/1997
Anticipated end date 01/01/1999
Status of trial Stopped
Patient information material
Target number of participants 72
Interventions Study participants will be randomised to receive a single administration (injection) of one of the following:
1. 500 mg of the novel TU formulation
2. 1000 mg of the novel TU formulation
3. 1000 mg of 125 mg/ml TU in tea seed oil
4. 1000 mg of 250 mg/ml TU in caster oil.
Primary outcome measure(s) 1. Circulating concentrations of testosterone at 12 weeks
2. Profile of testosterone concentrations over time at 12 weeks
3. Gonadotropin concentrations at 12 weeks
Secondary outcome measure(s) No secondary outcome measures
Sources of funding United Nations Development Programme (UNDP)/United Nations Population Fund (UNFPA)/World Health Organization (WHO)/World Bank - Special Programme of Research, Development and Research Training in Human Reproduction (HRP)

Test compounds donated by manufacturer (Xianju Pharmaceutical Corporation, Zhejiang, People's Republic of China).
Trial website
Publications
Contact name Dr  Kirsten  Vogelsong
  Address World Health Organization
20 Avenue Appia
  City/town Geneva
  Zip/Postcode CH-1211
  Country Switzerland
  Email vogelsongk@who.int
Sponsor UNDP/UNFPA/WHO/World Bank - Special Programme of Research, Development and Research Training in Human Reproduction (HRP)
  Address World Health Organization
20 Avenue Appia
  City/town Geneva
  Zip/Postcode CH-1211
  Country Switzerland
  Sponsor website: http://www.who.int/reproductive-health/hrp/
Date applied 23/03/2004
Last edited 10/09/2007
Date ISRCTN assigned 01/04/2004
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