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Status unknownNCT01454765Updated Dec 11, 2013

Generation of Haploid Stem Cells From Human Germ Cells

An observational study in Induced Pluripotent Stem Cells, sponsored by Rambam Health Care Campus. Status unknown at 2 sites in Israel. Open to male participants aged 18 Years to 50 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2013-12-11.

Sponsored by Rambam Health Care Campus · Observational

The sponsor has not verified this record recently (last verified Dec 2013), so the status shown — last known as Recruiting — may be out of date.
Study type
Observational
Time perspective
Prospective
Enrollment
10
Ages
18 Years to 50 Years
Sex
Male
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Study summary

Human cells are diploid (contain a double set of chromosomes). The diploid genome is complex and therefore limits genetic research approaches in biomedical models. To overcome this problem experimental generation of haploid stem cells has been done in animals. The investigators aim at generating haploid stem cells from human germ cells that are a useful tool in genetic research and screening.

Read the detailed description

Human cells are diploid (contain a double set of chromosomes). The diploid genome is complex and therefore limits genetic research approaches in biomedical models. To overcome this problem experimental generation of haploid stem cells has been done in animal models. haploid cells are easier for genetic manipulations, such as knock-in and knock-out of genes, and therefore should make a better experimental model. The investigators aim at generating haploid stem cells from human haploid germ cells.

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Conditions studied

  • Induced Pluripotent Stem Cells
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In context

Lead sponsor

Rambam Health Care Campus is the lead sponsor of 456 studies on the registry; 33 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years to 50 Years
Sexes eligible
Male
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

Male volunteers

Inclusion criteria

  1. males over the age of 18 and under 50
  2. no known chronic illness
  3. not taking any chronic drugs

Exclusion criteria

Exclusion Criteria:

  1. females
  2. males under 18 or over 50
  3. any known chronic illness
  4. taking chronic medications
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Study design

Time perspective
Prospective
Enrollment
10 participants (estimated)
Biospecimen retention
Samples with dna

Groups and cohorts

  • Sperm sample from healthy volunteers

    Other: generation of stem cells

Interventions

  • Othergeneration of stem cells

    Collected germ cells will be cultured in medium. The germ cell cultures will be infected with reprograming factors. Rare colonies with characteristic stem cell morphologies will be expanded.

    Also known as: generation of stem cells from somatic haploid germ cells

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What researchers measure

Primary outcomes

  1. Patients donated samples

    No samples collected to date

    Time frame: June 2011-November 2013

Secondary outcomes

  1. No secomdary outcome

    Time frame: June 2011 - November 2013

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Study locations

1 of 2 sites recruiting
  • Rambam medical center
    Haifa, 30196, Israel
    Not yet recruiting
  • Weizmann institute of science
    Rehovot, 76100, Israel
    Recruiting
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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 11, 2013, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT01454765
Lead sponsor
Rambam Health Care Campus
Responsible party
Sponsor
First posted
Oct 19, 2011
Start date
Dec 2011
Primary completion
Dec 2014 (estimated)
Completion
Aug 2015 (estimated)
Last update
Dec 11, 2013

Study contacts

Itay Maza, M.D
principal investigator · Rambam Health Care Campus

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Dec 2013. You cannot join it, but the record below documents what was studied.

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