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OvulationNCT01129245

The Effect of a Non-hormonal Cox-2 Inhibitor (Celebrex) on Ovulation

A study testing Celebrex in people with Ovulation and Luteal Development, run by Oregon Health and Science University at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to assess the effect that Celebrex (a COX-2 inhibitor and non-steroidal anti-inflammatory drug) has on ovulation. Read more about this study

Who is it for?
Ages 18 to 35 years, women onlyHealthy volunteers can take part
Conditions the study is for
Ovulation, Luteal Development
What is being tested?
Celebrex
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
20 participants
Where
1 siteUnited States
Study dates
Sep 2009to Sep 2011
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 35 years
  • Women only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Age 18-35
  • Currently NOT using hormonal contraception
  • Cycle length between 26-34 days
  • General good health (specifically no hx of: diabetes, cardiac problems, moderate/severe heart burn (GERD), obesity (BMI > 30), hypertension (BP > 130/80)
  • Willing and able to agree to randomization and informed consent
  • Willing and able to use a menstrual diary to chart bleeding Serum progesterone > 3 ng/ml (from cycle day 18-25)
  • Willing and able to return to clinic for bi-weekly for blood tests and ultrasounds throughout cycles 2, 3 \& 5

Who cannot join

  • Diabetes
  • Cardiac disease
  • Moderate to severe heart burn (or GERD) Obesity (BMI > 30) Hypertension (BP > 130/80)
  • Allergy to NSAIDS
  • Currently pregnant or trying to conceive
  • Polycystic Ovarian Syndrome
  • Use of hormonal contraception (participants can use barrier methods, spermicide, female or male sterilization, copper intrauterine device, abstinence, or have female partners

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Oregon Health & Science University

    Portland, Oregon, 97239

Other trials in United States

About this study

The purpose of this study is to assess the effect that Celebrex (a COX-2 inhibitor and non-steroidal anti-inflammatory drug) has on ovulation.

Read the detailed description

A prospective randomized double-blind crossover study of healthy reproductive-aged (18-35 years old) women with regular cycles, not currently using or needing hormonal contraception, were recruited. Women will undergo ovarian ultrasound and serum hormone monitoring during four menstrual cycles (control cycle, treatment cycle 1, washout cycle, treatment cycle 2). Subjects received study drug (oral celecoxib 400 mg or placebo) either 1) once daily starting on cycle day 8 and continuing until follicle rupture or the onset of next menses if follicle rupture did not occur (pre-LH surge dosing) or 2) once daily beginning with the LH surge and continued for 6 days (post-LH surge dosing). Women will be randomly assigned to one of the above treatment schemes and received the other in the subsequent treatment cycle.

This study aims to determine if treatment with a highly selective COX2 inhibitor, celecoxib, would be a more effective agent in terms of causing ovulatory dysfunction. This study also aims to determine whether treatment with celecoxib would adversely affect luteal function.

Being tested
Celebrex, Placebo
Keywords
Celebrex, prostoglandin inhibitor, ovulation, emergency contraception

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • CelebrexDrug

    Also called Celecoxib

    400 mg PO daily intermittently based on hormone and ultrasound findings

  • PlaceboDrug

    Placebo identical to celecoxib

Study groups in NCT01129245
Study groupRoleWhat they receive
Control cycleNo interventionControl menstrual cycle
Pre-LH surge celecoxib administrationExperimentalPre-LH surge dosing of celecoxib
Receives: Drug: Celebrex; Drug: Placebo
Post-LH surge celecoxib administrationExperimentalPost-LH surge dosing of celecoxib
Receives: Drug: Celebrex; Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of Cycles With Ovulation Dysfunction When Taken After Ovulation: Extended Luteal Phase

    One cycle corresponds to one participant

    Measured: 4 cycles (approximately 4 months)

Secondary outcomes (2)
  1. Peak Hormone Levels

    Average serum levels of progesterone (ng/mL) and luteinizing hormone (ng/mL) normalized to days of the luteal phase of menstrual cycle.

    Measured: 4 cycles (approximately 4 months)

  2. Peak Estradiol Level

    Average serum levels of estradiol (pg/mL) normalized to days of the luteal phase of menstrual cycle.

    Measured: 4 cycles (approximately 4 months)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted24 May 2010 (estimated)
  2. Study startSep 2009
  3. Primary completionSep 2011
  4. Study completionSep 2011

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Diagnosis
Allocation
Randomised
Intervention model
Crossover
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
20 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01129245
Sponsor's protocol ID
OHSU FAMPLAN SFP3-7
Status last verified
May 2019
First submitted
21 May 2010
Last updated
18 Jun 2019
Data monitoring committee
No

Publications

  • Edelman AB, Jensen JT, Doom C, Hennebold JD. Impact of the prostaglandin synthase-2 inhibitor celecoxib on ovulation and luteal events in women. Contraception. 2013 Mar;87(3):352-7. doi: 10.1016/j.contraception.2012.07.004. Epub 2012 Aug 16.

    PubMed 22902348

Questions about this trial

What is this clinical trial studying?

A study testing Celebrex in people with Ovulation and Luteal Development, run by Oregon Health and Science University at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 7 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 18 Jun 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 2 Jul 2014). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of Cycles With Ovulation Dysfunction When Taken After Ovulation: Extended Luteal Phase (time frame: 4 cycles (approximately 4 months)). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01129245, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Jun 2019.

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