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NCT05988983 · ClinicalTrials.gov registry record

The Over The Counter Pill National Study

A clinical trial of Contraception and Health Care Utilization, sponsored by Oregon Health and Science University.

Active
Registry status
1,026
Enrollment target
1
Study location

NCT05988983: Active study of Contraception and Health Care Utilization, sponsored by Oregon Health and Science University.

NCT05988983 is a study of Contraception and Health Care Utilization that is active but no longer recruiting, run by Oregon Health and Science University. The registered enrollment target is 1,026 participants, above the 440-participant average among 72 other Contraception trials with a reported enrollment target (133% higher). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05988983, a study of Contraception and Health Care Utilization, is active but no longer recruiting, sponsored by Oregon Health and Science University.

ACTIVE NOT RECRUITING
Registry status
1,026 participants
Enrollment target
1
Study location

Study Summary

This is a prospective cohort study of individuals purchasing the oral contraceptive pill over the counter (OTC) in pharmacies in 32 US states. The comparison group is people receiving a prescription (Rx) for oral contraception. Both groups will be followed for one year to examine contraceptive continuation rates. This study will also identify who is using the pill OTC and why and evaluate differences in pregnancy intention and measures of contraceptive agency between the two groups.

Primary Outcome

Difference in proportion of participants using contraception 12 months after starting between over the counter and prescription groups.

Interventions

  • OTHER Availability of OTC contraceptive pill

Study Locations (1)

Oregon

  • Oregon Health & Science University - Portland

Trial Details

FieldValue
Enrollment Target 1,026 participants
Start Date 2024-05-01
Est. Completion 2026-03

What the registry record for NCT05988983 still lists

NCT05988983 is an observational study that tracks outcomes without assigning an intervention. Its 1,026 participants enrollment target places it among the larger protocols in the corpus, above the 440-participant average among 72 other Contraception trials with a reported enrollment target (133% higher).

The record links to 4 conditions, with Contraception appearing as the primary indexed condition, and to 1 intervention - of which Availability of OTC contraceptive pill is the first listed.

NCT05988983 reports a single indexed study location in Oregon.

Frequently Asked Questions

What is clinical trial NCT05988983 about?

NCT05988983 is a clinical study titled "The Over The Counter Pill National Study". This is a prospective cohort study of individuals purchasing the oral contraceptive pill over the counter (OTC) in pharmacies in 32 US states. The comparison group is people receiving a prescription (Rx) for oral contraception. Both groups will be followed for one year to examine contraceptive conti...

What is the current status of trial NCT05988983?

This trial is currently active not recruiting. The enrollment target is 1,026 participants. The study started on 2024-05-01. Estimated completion is 2026-03.

What conditions does trial NCT05988983 study?

This clinical trial studies the following conditions: Contraception, Health Care Utilization, Contraceptive Usage, Contraception Behavior.

What interventions are being tested in trial NCT05988983?

The interventions under investigation include: Availability of OTC contraceptive pill (OTHER).

Who is sponsoring clinical trial NCT05988983?

This trial is sponsored by Oregon Health and Science University, which has 546 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT05988983 being conducted?

This trial has 1 study location across Oregon. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Contraception

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT05988983's enrollment target sits among peer trials

1,026 12th of 72 higher than 61 of 72 other Contraception trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Contraception trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT05988983, the US trial registry maintained by the National Library of Medicine. NCT05988983 (large enrollment · single site footprint · active not recruiting) retrieved and formatted by PlainTrial, see methodology.