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VaginismusPhase 1NCT01352546

Botox Injection for Treatment of Vaginismus

A Phase 1 study testing BOTOX in people with Vaginismus, run by Plastic Surgery Professional Association 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 use of Botox injections intravaginally and progressive dilation under anesthesia has been shown to cure vaginismus. This study expands the use of Botox injections to include progressive dilation, post procedure supervised dilation and sex counseling to help women transition from dilators to intercourse. Read more about this study

Who is it for?
Ages 20 to 40 years, women onlyHealthy volunteers can take part
Conditions the study is for
Vaginismus
What is being tested?
BOTOX
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
31 participants
Where
1 siteUnited States
Study dates
Aug 2010to Dec 2012
Phase
Phase 1
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 20 to 40 years
  • Women only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Non-pregnant healthy females aged 20-40 with Lamont level 1-4 primary vaginismus.
  • Willing to practice a reliable method of contraception for the first 4 months after treatment.
  • Able to understand and comply with the requirements of the study and sign Informed Consent.

Who cannot join

  • Female subjects who are pregnant (positive urine pregnancy test), trying to become pregnant, breast-feeding, or who are of childbearing potential and not practicing a reliable method of birth control.
  • Allergy or sensitivity to any component of the test medication
  • History of poor cooperation, non-compliance with medical treatment, or unreliability.
  • Intact hymen, dyspareunia, secondary vaginismus, vulvodynia, dermatopathology of the vulva or perineum, anal fissure, associated urinary or rectal problems, complex pain disorders of the urogenital diaphragm or pelvic floor including pudendal nerve entrapment, psychiatric illness.
  • Treatment with botulinum toxin of any serotype prior to enrollment in study.
  • Any medical condition that may put the subject at increased risk with exposure to BOTOX including diagnosed myasthenia gravis, Eaton-Lambert syndrome, amyotrophic lateral sclerosis, or any other disorder that might interfere with neuromuscular function.
Show all 10Show fewer
  • Evidence of alcohol, drug abuse or other relevant neuropsychiatric condition.
  • Infection or skin disorder at an anticipated injection site.
  • Any condition or situation that, in the investigator's opinion, may put the subject at significant risk, confound the study results, or interfere significantly with the subject's participation in the study.
  • Participation in an investigational drug study within 30 days of the Baseline Visit.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Plastic Surgery Professional Association

    Manchester, New Hampshire, 03104

Other trials in United States

About this study

Official title: Open Label, Single Center, Pilot Study of the Use of BOTOX Injections, Sensorcaine Injections and Progressive Dilation Under Anesthesia for the Treatment of Primary Vaginismus

The use of Botox injections intravaginally and progressive dilation under anesthesia has been shown to cure vaginismus. This study expands the use of Botox injections to include progressive dilation, post procedure supervised dilation and sex counseling to help women transition from dilators to intercourse. Since 2005 patients continue to experience a cure rate in excess of 90%. As of December 2012 more than 200 vaginismus patients have been treated this way.

In this completed study of 30 patients with a minimum of one year follow-up 29 vaginismus patients were able to advance to pain free intercourse (97%) and one patient failed to achieve her goals presumably due to uncontrolled anxiety relating to vaginal penetration.

Read the detailed description

Vaginismus is the most common reason for unconsummated marriages. The more severe forms of vaginismus are often refractory to a variety of treatments such as Kegel exercises, dilator therapy, psychotherapy, sex counseling physical therapy, hypnotherapy, biofeedback, anti-depressants, anti-anxiety drugs, hymenectomy and vestibulectomy. In the larger cohort of 200 patients, a detailed data analysis of 150 patients (paper submitted) the average length of time of failed treatments was more than 7 years. 25% of vaginismus women suffered with this condition for more than a decade.

Spasm of the vaginal muscles is well defined in the scientific literature, first described by Sims in his 1861 report, as well as Lamont in 1978 and currently included in the DSM-IV definition of vaginismus. Pacik has reported on the prevalence of spasm of the bulbocavernosum, especially in the more severe forms of vaginismus, consistent with the history that intercourse feels like it is "hitting a wall", also noted by Lamont. The use of Botox injections as a treatment for vaginismus dates back to 1997. Since then several reports, including papers and presentations from our practice, have shown the efficacy of Botox injections for vaginismus. Botox is a very safe drug when used correctly. As of December 2012 more than 200 patients have been treated in our practice, mostly the more severe forms of vaginismus, who have been refractory to other forms of therapy. In this population dating back to 2005, the cure rate is in excess of 90%. There have been three minor complications of mild stress incontinence all of which resolved after about four months when the Botox was no longer active. One patient in this large cohort developed excessive vaginal dryness, likely due to block of the parasympathetic nerves which govern "letdown". Several patients have become pregnant and delivered normal children by vaginal childbirth.

The program to cure vaginismus is more than just injecting Botox under anesthesia and incorporates the following additional essential steps:

The areas of maximum spasm of the vaginal muscles are identified under sedation to determine where the Botox should be injected. The injections done under anesthesia are followed by additional injections of a long acting local anesthetic bupivacaine. After this the vagina is progressively dilated while the patient is still under anesthesia, and the dilators are further coated with a topical anesthetic. All these measures allow the patient to wake up in the recovery room with the large dilator in place and no discomfort. Following this, supervised dilation continues so that the patient becomes comfortable moving the dilator in and out of the vagina. This supervised dilation continues for a total of two to three mornings. During this time counseling is done with the couple to help instruct the correct use of the dilators, transition from dilators to intercourse, positions of pelvic floor relaxation and couple's counseling. Written instructions are given as well as a DVD addressing these aspects and close follow up and support by phone and email to ensure success of the program.

Conditions
Vaginismus
Being tested
BOTOX
Keywords
vaginismus, painful sex, painful intercourse, dyspareunia, inability to have intercourse, inability to consummate marriage, vaginal spasm, "hitting a wall", pain during sex, pain during intercourse, burning with intercourse
Medical subject headings
Vaginismus, Dyspareunia

What participants receive

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

  • BOTOXBiological

    150 units of Botox injected intravaginally into the bulbocavernosum, pubococcygeus and puborectalis muscles along the lateral side walls, left and right as a one time injection under anesthesia.

Study groups in NCT01352546
Study groupRoleWhat they receive
BOTOXExperimentalintravaginal Botox injections and progressive dilation under anesthesia to cure vaginismus.
Receives: Biological: BOTOX

What is being measured

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

  1. Ability to Achieve Pain Free Intercourse.

    Patients need to be able to transition from the use of vaginal dilators to pain free intercourse, or to be able to continue using the #5 or #6 of 6 dilators in the absence of a partner.

    Measured: one year

Timeline

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

  1. First posted12 May 2011 (estimated)
  2. Study startAug 2010
  3. Primary completionDec 2012
  4. Study completionDec 2012

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 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
31 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01352546
Sponsor's protocol ID
BTX-PV-01
Status last verified
Aug 2017
First submitted
10 May 2011
Last updated
7 Aug 2017
Data monitoring committee
Yes

Publications

  • Pacik PT. Botox treatment for vaginismus. Plast Reconstr Surg. 2009 Dec;124(6):455e-456e. doi: 10.1097/PRS.0b013e3181bf7f11. No abstract available.

    PubMed 19952618
  • Pacik PT. Vaginismus: review of current concepts and treatment using botox injections, bupivacaine injections, and progressive dilation with the patient under anesthesia. Aesthetic Plast Surg. 2011 Dec;35(6):1160-4. doi: 10.1007/s00266-011-9737-5. Epub 2011 May 10.

    PubMed 21556985
  • Pacik PT, Cole JB. When Sex Seems Impossible. Stories of Vaginismus & How You Can Achieve Intimacy. Odyne Publishing 2010

  • Pacik PT. Understanding and treating vaginismus: a multimodal approach. Int Urogynecol J. 2014 Dec;25(12):1613-20. doi: 10.1007/s00192-014-2421-y. Epub 2014 Jun 4.

    PubMed 24894201
  • Pacik PT, Geletta S. Vaginismus Treatment: Clinical Trials Follow Up 241 Patients. Sex Med. 2017 Jun;5(2):e114-e123. doi: 10.1016/j.esxm.2017.02.002. Epub 2017 Mar 28.

    PubMed 28363809
  • Pacik, P. T. (2015), OnabotulinumtoxinA as Part of a Multimodal Program to Treat Vaginismus. Journal of Applied Biobehavioral Research, 20: 25-36. doi:10.1111/jabr.12037

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing BOTOX in people with Vaginismus, run by Plastic Surgery Professional Association 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 3 inclusion and 10 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 7 Aug 2017. 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.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 7 Aug 2017). 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?

Ability to Achieve Pain Free Intercourse. (time frame: one year). 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 NCT01352546, which also lists 6 linked publications.

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 7 Aug 2017.

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