New gamete treatment offers hope for couples with repeated IVF failure
NCT ID NCT01944332
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether treating eggs and sperm before fertilization can help people who have had complete failure with standard IVF or one prior ICSI cycle. Researchers will measure fertilization rates and embryo development. The goal is to improve chances of pregnancy for those with infertility.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 1,200 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2007
- Expected to finish
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Nov 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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21 to 89 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients with complete fertilization failure with standard IVF or failure with one prior ICSI treatment cycle Exclusion Criteria: * not meeting inclusion criteria * IVF without ICSI
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Center fo Reproductive Medicine
RECRUITINGNew York, New York, 10021, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- The hidden handshake that decides whether an embryo implants
- Do infertility treatments leave a metabolic mark on children?
- Could a Woman's biological clock also predict her Heart's future?
- Sperm sorting showdown: can a microchip pick the best sperm for pregnancy?
- Could your genes predict when fertility fades?
- Can virtual reality goggles take the sting out of a fertility procedure?