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N/A N=150 Randomized Other

A Clinical Investigation to Assess the Effectiveness of Benzocaine in NRL Condoms in Healthy Adult Men Who Feel They Ejaculate Too Quickly During Vaginal Sex

Ejaculation Delayed

Enrolled (actual)
150
Serious AEs
0.0%
Results posted
May 2026
Primary outcome: Primary: To Determine the Effectiveness of Benzocaine of the Test Condom A Compared With the Control NRL Condom at Prolonging Time to Ejaculation — 168.40; 104.46 Seconds

Study Design & Population

Study type
Interventional
Phase
N/A
Interventions
Test condom A (NRL condom with 5% benzocaine paste) (Device); Test condom B (NRL condom with 3% benzocaine paste) (Device); Control NRL condom (Device)
Age
Adult · 18+ yrs
Sex
All
Sponsor
Reckitt Benckiser Healthcare (UK) Limited
Primary completion
Oct 2024

Outcome Measures

OutcomeResultp-value
PRIMARY
To Determine the Effectiveness of Benzocaine of the Test Condom A Compared With the Control NRL Condom at Prolonging Time to Ejaculation
168.40; 104.46
SECONDARY
To Determine the Effectiveness of Benzocaine of the Test Condom B Compared With the Control NRL Condom at Prolonging Time to Ejaculation
124.96; 104.46
SECONDARY
To Determine the Effectiveness of Benzocaine of the Test Condom A and Test Condom B Compared With the Control NRL Condom at Prolonging Time to Ejaculation for an Increase of 2, 3 and 4 Minutes
1.58; 1.36; 1.72; 1.25; 1.65; 1.22
SECONDARY
To Evaluate the Sexual Pleasure When Using the Test Condom A or Test Condom B Compared With the Control NRL Condom
69.93; 69.67; 68.93
SECONDARY
To Evaluate the Subject's Improvement at "Lasting Longer" for Both the Test Condom A and Test Condom B Compared With the Control NRL Condom
5; 3; 4; 12; 6; 5
SECONDARY
Participant - Subject Perceived Questionnaire (SPQ)
4; 5; 4; 6; 7; 10
SECONDARY
Total Clinical Failure Rate of Each Type of Condoms
2.0; 1.4; 0.6
SECONDARY
Overall Proportion of Participants With Adverse Events/Adverse Device Effects (AE/ADEs) - Male Participants
0; 0; 0; 1; 0; 0
SECONDARY
Overall Proportion of Participants With Adverse Events/Adverse Device Effects (AE/ADEs) - Female Participants
0; 0; 0; 1; 0; 0

Summary

The investigation is to evaluate the effectiveness of benzocaine in two NRL condoms compared with a standard NRL control without benzocaine in prolonging time to ejaculation in healthy adult men who feel they ejaculate too quickly during vaginal sex.

Eligibility Criteria

Main Inclusion Criteria:

  • Subjects and their female partners have provided written informed consent.
  • Subjects and their female partners between the ages of >= 18 years and =< 60 years.
  • Subjects and their female partners must have no health condition in their medical history.
  • Subject must be sexually active having regular intercourse.
  • Subjects in a stable, monogamous, sexual relationship with the same female partner for more than or equal to 3 months.
  • Subject's female partner should already be on an established other highly effective form of non-barrier contraception, unless post-menopausal.
  • Subjects reporting a frequency of 'occasionally' to the Sexual Intercourse Self-Estimation Scale.

Main Exclusion Criteria:

  • Subject with a pregnant or breastfeeding female partner or the female partner desires to become pregnant during the clinical investigation.
  • Subject or his female partner with a current history of alcohol or drug abuse.
  • Subjects and their female partners with a history of or are suffering from anemia, coronary artery disease, impaired cardiac conduction, pulmonary disease, diabetes, and renal or hepatic disease.
  • Subjects and their female partners with a history of, suspected to have, or be at increased risk of methaemoglobinemia / complications related to ester anaesthetics which could trigger methemoglobinemia.
  • Subject and/or his female partner have a physical or psychological condition that would prevent them from following investigation procedures - including but not limited to the following:
  • urological disease,
  • ongoing significant psychiatric disorder not controlled by medication
  • history of surgery or injury to the pelvis, retroperitoneal surgery, radiotherapy, multiple sclerosis, spinal cord injury, chronic inflammation of the prostate or urethra
  • relevant previous or planned genital surgery
  • female partner that has been diagnosed with or treated for vaginal complaints (including vaginal dryness)
  • any broken skin or wounds in the genital area.
  • Subjects on medication that is contraindicated, which may affect erection.
  • Subject and/or his female partner have any medication which may affect the safety of the subject, including but not limited to benzocaine drug interactions such as cholinesterase inhibitors.
  • Subject and/or his female partner is using or intends to continue to use antibiotics of the sulphonamide type.
  • Subject with premature ejaculation, erectile dysfunction, hypo or hyperthyroidism, hypogonadism, hyperprolactinemia, ejaculatory dysfunction, haemorrhagic disorder, hepatitis B or C, human immunodeficiency virus (HIV) infection or having had penile implant surgery.
  • Subject that has been diagnosed or received treatment for PE (premature ejaculation).
  • Subjects with confirmed erectile dysfunction, hypo or hyperthyroidism, hypogonadism, hyperprolactinemia.
  • Confirmed diagnosis of male subjects with other forms of ejaculatory dysfunction.
  • Subjects that have had prior genital, prostatic or lower tract surgery.
  • Subjects with haemorrhagic disorder, hepatitis B or C, HIV infection or having had penile implant surgery, at any time in their past.
  • Either partner needed to use condoms for a specific STI protection.
  • Subjects and their female partners who have any relevant history of allergy including local anaesthetics, parabens, PABA, commercial hair dyes, paraphenylenediamine, lubricants and latex.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT05840172). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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