NLS-133 Clinical Trials (2026): 1 Studies for Male Contraception & Semen Volume
Hipa.ai Research · Source: ClinicalTrials.gov / AACT
Synced daily from ClinicalTrials.gov via AACT. Last sync: .
1 NLS-133 clinical trials are catalogued on Hipa.ai from the AACT mirror of ClinicalTrials.gov, spanning 1 indication (including Male Contraception & Semen Volume) and 10 total planned enrollment. 1 NLS-133 clinical trial is actively recruiting at 1 U.S. site across 1 state. Most recent activity: NCT07393334 (May 2026).
Where to Participate: All NLS-133 Trial Sites in the U.S. (1 site across 1 state)
Every actively recruiting NLS-133trial site, sorted by state then city. Each row links to the trial detail page (eligibility, contacts, full study record). Sites no longer enrolling at the location level are excluded. ClinicalTrials.gov / AACT does not provide street-level addresses; the map link uses the facility's geocoded coordinates where available.
| State | Facility | City | Trial | Map |
|---|---|---|---|---|
| WA | Population Center for Research in Human Reproduction and Departments of Medicine, University of Washington | Seattle98195 | NCT07393334 | Map |
NLS-133 clinical trials at a glance: phase × recruitment status
| Phase | recruiting | Total |
|---|---|---|
| P2 | 1 | 1 |
Recruiting NLS-133 clinical trials (1)
Studies currently enrolling participants. Click any NCT ID to view the trial detail page (eligibility, sites, contacts).
| NCT ID | Title | Phase | Indication | Enrollment | Started |
|---|---|---|---|---|---|
| NCT07393334 | Effects of NLS-133, a Potential Non-Hormonal "On-Demand" Male Contraceptive | P2 | Male Contraception | 10 | Dec 2025 |
All NLS-133 trials (1)
Sorted by most recent activity (completion → start → posted date). Each row links to the trial detail page on Hipa.ai.
| NCT ID | Acronym | Title | Phase | Status | Enrollment | Sponsor | Started |
|---|---|---|---|---|---|---|---|
| NCT07393334 | Effects of NLS-133, a Potential Non-Hormonal "On-Demand" Male Contraceptive | P2 | recruiting | 10 | Next Life Sciences | Dec 2025 |
NLS-133 clinical trials: frequently asked questions
- How many NLS-133 clinical trials are there?
- 1 NLS-133 clinical trials are catalogued on Hipa.ai, sourced from the AACT mirror of ClinicalTrials.gov. 1 is actively recruiting participants.
- Are NLS-133 clinical trials recruiting in 2026?
- Yes — 1 NLS-133 trial is actively recruiting in 2026, with 1 U.S. site across 1 state. See the recruiting trials and the per-state site list further down this page.
- What conditions is NLS-133 being studied for?
- NLS-133 is being studied for Male Contraception, Semen Volume, Sperm Motility. The trials are grouped by indication on this page.
- What phase is NLS-133 in?
- NLS-133 clinical trials span 1 Phase 2. The phase × status matrix at the top of this page breaks down counts by phase and recruitment status.
- Who sponsors NLS-133 clinical trials?
- The lead sponsor across the most NLS-133 trials is Next Life Sciences. Each trial row links to the full study detail page including sponsor information.
Sources and methodology
Trial inventory derived from the AACT mirror of ClinicalTrials.gov. Trials are filtered to those naming NLS-133as an intervention. Phase, status, enrollment, sponsor, and dates are taken from the source `studies` table; primary indication is the first listed condition. Acronyms are extracted from each trial's brief title where present. PubMed links are populated for trials whose published primary outcomes have been indexed in our evidence cache.
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