Modern Male Condoms: Not Your Father's "Rubbers"

Page created by Hazel Schultz
 
CONTINUE READING
Modern Male Condoms: Not Your Father's "Rubbers"
Continuing Medical Education

Modern Male Condoms:
Not Your Father’s “Rubbers”
Anita L. Nelson, MD; Monica Hau Hien Le, MD

With sexy advertising and                                                    CONTINUING MEDICAL EDUCATION

eye-catching packaging,                                     GOAL
condoms are dusting off their                               To promote condom use in women by updating information about effi-
                                                            cacy and design.
image for a younger generation.
                                                            OBJECTIVES
Manufacturers have responded
                                                            1. To emphasize the efficacy of condoms in protecting women against
to consumer complaints and                                     pregnancy and sexually transmitted infections.
                                                            2. To explore the reasons why patients do not use condoms consistently.
needs with more variety and                                 3. To highlight changes in condom manufacture and design that address
                                                               many consumer complaints and needs.
features. Now, it is time for
                                                            ACCREDITATION
physicians to point out the
                                                            This activity has been planned and implemented in accordance with the
many benefits of condom use                                 Essential Areas and Policies of the Accreditation Council for Continuing
                                                            Medical Education (ACCME) through the joint sponsorship of Albert Ein-
to patients as the fashionable                              stein College of Medicine and Quadrant HealthCom Inc. Albert Einstein
                                                            College of Medicine is accredited by the ACCME to provide continuing
choice for intimate protection.                             medical education for physicians.
                                                             This activity has been peer reviewed and approved by Brian Cohen, MD,
                                                            professor of clinical OB/GYN, Albert Einstein College of Medicine. Review
                                                            date: April 2007. It is designed for OB/GYNs, primary care physicians, and

M
                   ale condoms are the most pop-            nurse practitioners.
                   ular method of male contra-               Albert Einstein College of Medicine designates this educational activity
                   ception in the United States,            for a maximum of 1 AMA PRA Category 1 Credit™. Physicians should
                   with more than 450 million               only claim credit commensurate with the extent of their participation in
                                                            the activity.
                   sold annually.1 Although they             Participants who answer 70% or more of the questions correctly will
are unique in reducing the risks of both preg-              obtain credit. To earn credit, see the instructions on page 65 and mail your
nancy and sexually transmitted infections                   answers according to the instructions on page 66.
(STIs), utilization of condoms is notoriously
                                                            CONFLICT OF INTEREST STATEMENT
inconsistent. This may be due to the mixed
messages patients are given about the efficacy              The “Conflict of Interest Disclosure Policy” of Albert Einstein College of
                                                            Medicine requires that authors participating in any CME activity disclose
and safety of condoms, and also to the con-                 to the audience any relationship(s) with a pharmaceutical or equipment
doms’ intrinsic lack of appeal in the past. As              company. Any author whose disclosed relationships prove to create a
this article will show, many such concerns are              conflict of interest, with regard to their contribution to the activity, will
no longer valid.                                            not be permitted to present.
                                                             The Albert Einstein College of Medicine also requires that faculty partici-
  Condom use significantly reduces hetero-                  pating in any CME activity disclose to the audience when discussing any
sexual transmission of human immunode-                      unlabeled or investigational use of any commercial product, or device,
ficiency virus (HIV) by at least 85%, and                   not yet approved for use in the United States.
                                                              Dr Nelson reports that she is on the Advisory Board of Church &
Anita L. Nelson, MD, is professor; and Monica Hau Hien      Dwight Co, Inc. Dr Hau Hien Le reports no conflict of interest. Dr Cohen
Le, MD, is Women’s Health fellow. Both are in the Depart-   reports no conflict of interest.
ment of Obstetrics and Gynecology, Harbor-University of
California at Los Angeles Medical Center, Torrence.

                                                                                           The Female Patient VOL. 32 MAY 2007 59
CME

 Modern Male Condoms

                                                         decreases the rate of cervical cancer asso-
   Clinical Pearls: Overcoming Patient                   ciated with human papillomavirus (HPV).
   Resistance to Using Condoms                           However, there is not sufficient evidence to
                                                         support or refute claims of risk reductions for
   “I don’t use condoms because...”                      other STIs.2 Nonetheless, there is a clear asso-
                                                         ciation between condom use and statistically
   • “They don't work that well.”                        significant protection for men and women
     Correct and consistent condom use confers           against chlamydia, herpes simplex virus type 2
     pregnancy rates of only 2%.                         (HSV-2), and syphilis. Condoms may be asso-
                                                         ciated with protection against trichomoniasis
   • “I only have to use them when I‘m ovulating.”       in women as well.3
     Almost 80% of women significantly misjudge            Until recently, the prevailing perception
     the phases of their cycles.                         was that condoms could reduce the risk
                                                         of STI transmission by fluids but were less
   • “They make me break out.”                           effective against infections spread by skin-
     The patient may have a latex allergy and could      to-skin contact. Therefore, it was somewhat
     benefit from using polyurethane condoms.            surprising to discover that condom use sig-
                                                         nificantly reduced HSV-2 transmission,4 and
   • “They‘re too much trouble.”                         that correct, consistent use lowered the risk
     Condoms can be incorporated into foreplay.          of HPV acquisition by 70% and cervical
                                                         dysplasia by 100%. 5 Thus, condom usage
   • ”It hurts to use them.”                             should be strongly encouraged to reduce the
     Some condoms come with lubrication, and the         spread of STIs.
     patient can also use a water-based lubricant.         Maximizing these benefits depends on
                                                         consistent condom use. Pregnancy rates for
   • “It’s embarrassing/inconvenient to buy them.”       typical use (15%) are significantly differ-
     A wide variety of condoms can be compared           ent compared with those for consistent use
     and purchased on the Internet.                      (2%).6 In a clinical setting where patients
                                                         had unlimited access to free condoms, it was
   • “I’m shy about bringing up the subject.”            reported that only 56.2% of the women used
     Condom choice and use can actually bring a          condoms with every act of intercourse in the
     couple closer together.                             2 weeks prior to the survey.7 Often, couples
                                                         use condoms only during days of the cycle
   • “My partner will think I don‘t trust him.”          they deem to be “at risk.” However, only
     The patient can remind her partner that con-        23% of women diagnosed by hormonal tests
     doms protect the both of them.                      as periovulatory could correctly identify
                                                         their cycle phase. Most periovulatory women
   • “My partner says it doesn‘t feel as good
                                                         thought they were in the luteal phase and not
     with them.”
                                                         at risk.8 Even in the context of a clinical trial
     Many condoms are designed to increase sexual        where couples agreed to use condoms with
     pleasure for both partners.                         every act of intercourse and log such use,
                                                         more than 33% of cycles had at least one
   • “My partner complains they never fit right.”
                                                         episode of unprotected intercourse.9
     Condoms now come in different sizes, so that          Patients who do not use condoms report that
     everyone can find the right fit.                    lack of access is a barrier to consistent utiliza-
   • “We can’t be spontaneous, and it ruins the mood.”   tion. However, even in settings with ready
                                                         access, women still complain that they do not
     Condom use can enhance the sexual experi-           like to use them.7 Men report that condoms
     ence, promoting foreplay, encouraging sex play,     reduce sensation, decrease spontaneity, inter-
     and increasing intimacy.
                                                         fere with erection, imply a lack of trust, and
                                                         make intercourse uncomfortable.10,11 Recogniz-
                                                         ing these problems, there have been many new

60 The Female Patient   VOL. 32 MAY 2007
Nelson and Le

developments in condom manufacturing and
marketing. Condom features and testing results
are now reported periodically by consumer
organizations.12 Lists of available condoms
are available online (see “Online Condom
Information”). Clinicians should familiarize
themselves with these new products to generate
more enthusiasm for condom use.

MANUFACTURING INNOVATIONS

New Materials
In the 1940s, condoms were so tough and
blunted sensation so markedly that they were
actually useful in helping men who experi-
enced premature ejaculation. However, other
users complained that the experience was like
“trying to make love through a raincoat.”              In clinical trials, the polyurethane con-
Modern latex condoms are thinner, enhancing          dom provided pregnancy protection equal
sensation for both partners.                         to that of latex condoms, but had breakage
                                                     and spillage rates that were significantly
Polyurethane                                         higher.14,15 Polyurethane condoms are odor-
Polyurethane condoms fill critical needs for         less, transmit body heat, are smoother, have
some users. Up to 4% of the general US popu-         a long shelf life, and are pre-
lation has a latex allergy.13 Women with latex       ferred for those with latex
allergies may attribute postcoital irritation and    allergies and women using
pruritus to candidiasis and may self-treat with
over-the-counter (OTC) antifungal agents.
This treatment does relieve symptoms, “buy-
ing time” for the contact dermatitis to resolve.
                                                     petroleum-based        vaginal
                                                     creams. However, the higher
                                                     cost and the higher break-
                                                     age/slippage rates for poly-
                                                                                      I n clinical trials,
                                                                                      the polyurethane
  More significantly, however, both clinicians       urethane condoms preclude        condom provided
who prescribe antifungals and women who              routine recommendation as
self-medicate should be aware that all antifun-      first-line barrier contracep-
                                                                                      pregnancy
gal therapies, all vaginal antibiotic therapies      tion. Other materials are also   protection equal
(except metronidazole gel), and all vaginal          under investigation for use in   to that of latex
estrogen creams are petroleum-based. Use             condoms, such as those used
of these petroleum-based medications causes          in surgical gloves.
                                                                                      condoms, but
rapid deterioration in the integrity of latex                                         had breakage
condoms. Although there may be no visible            New Condom Sizes                 and spillage
rupture of the latex, just 30 to 60 seconds of       Surveys discovered that
exposure to these products can induce micro-         more than 5% of US men
                                                                                      rates that were
scopic tears in the latex that are large enough to   fi nd standard latex con-        significantly
permit passage of pathogens, and larger tears        doms constricting. There-        higher.
may permit the passage of sperm. Whenever            fore, new designs have been
clinicians prescribe these agents, they must         introduced to provide extra
counsel condom users to switch to polyure-           “headroom” and relax pres-
thane condoms during treatment and for 3 to          sure on the glans, or with more room from
7 days after the last application. Women who         the base through the tip. For more modestly
self-medicate with OTC antifungals or petro-         endowed, mature men and younger men who
leum-based homeopathic compounds should              may not have attained all their secondary
likewise use polyurethane condoms with every         sexual changes,16 new condoms with a snug-
act of coitus.                                       ger fit are particularly appropriate.

                                                                           The Female Patient VOL. 32 MAY 2007 61
CME

 Modern Male Condoms

                TABLE. Hypothetical Relative Risk Model of Condom Use2

                Event                         Semen Exposure                  Relative Risk
                                              (Volume Averaged Over           (Compared With Nonuse)
                                              Event Probability)
                Failure to use a condom       3.3 mL                          1
                Condom used, but it breaks    1 mL × 2/100                    0.006
                Condom used, but it has       10-2 mL × 1/400                 0.000008
                visibly detectable hole      Table not available online
                (by water leak test)
                Condom used with no           6 × 10-6mL × 0.023              0.00000004
                breaks/holes, but it still
                passes virus
                Condom used with no           0.0 mL                          0
                breaks or leaks

             Spermicidal Coating                                are intended not only to eliminate vaginal
          Studies have shown that the spermicidal coat-         dryness and end-of-day buildup of secre-
          ing on a condom does not provide additional           tions, but also to provide a pleasant experi-
          protection from pregnancy or STIs. In addi-           ence during foreplay. A small vibrator that
          tion, the spermicide-coated condoms have a            fits on the rim of the condom has been intro-
                          much shorter shelf life. Some         duced to provide stimulation during use. In
                          nonoxynol-9 (N-9) studies             the same spirit, other condoms have been

        To facilitate use
                          showed that frequent or daily
                               of N-9 might increase
                          the risk of genital ulceration
               proper and/or HIV infection.17 As
                                                                designed to glow in the dark or have been
                                                                coated with a warming lubricant.
                                                                  Special needs have also been addressed
                                                                by different condoms. To facilitate proper
  application, there a result, some manufactur-                 application, there are condoms that can
       are condoms ers         have discontinued pro-
                          duction of spermicide-coated
                                                                only be applied in the correct fashion. For
                                                                men who experience early ejaculation, there
   that can only be condoms, and women who                      are condoms with benzocaine at the tip to
      applied in the relied on this spermicide                  help chemically blunt sensation and main-
    correct fashion. to       provide coital lubrica-
                          tion should be advised to use
                                                                tain erection.

                          other products.                       NEW MARKETING APPROACHES

             Other Special Features                             At least 30% of male condoms are pur-
             To transform the image of condoms from             chased by women. Women may feel com-
             something that couples “should” use into           fortable browsing through various types of
             something that they “want” to use, sev-            condoms online, but are not as comfortable
             eral new features have been added. Some            with the traditional condom display in the
             condoms are available now with a variety           pharmacy. As a result, some brands of male
             of flavors and scents to fit more tastefully       condoms are now sold to women in “their”
             into foreplay activities. Other condoms are        section of the store⎯ie, near the feminine
             available with ridges and ribs to enhance          hygiene products. Many of these condoms
             sensation. Condoms are being packaged or           are being directly marketed to women, with
             sold with other precoital stimulants such as       images promoting beauty and sophistication
             refreshing wipes or warming lubricants that        on the packages.

62 The Female Patient   VOL. 32 MAY 2007
Nelson and Le

                                                   condoms may infrequently slip or break. To
  Online Condom Information                        protect against unwanted pregnancy in such
                                                   occurrences, women who rely on condoms
  American Social Health Association               for contraception should be given emergency
  (http://www.ashastd.org)                         contraception (EC) by advance prescription.
  AVERT                                            Those who decline such prescriptions should
  (http://www.avert.org)                           be advised about the behind-the-counter
                                                   availability of levonorgestrel
  Condomania                                       EC products for all men and
  (http://www.condomania.com)                      women aged 18 years or
  CondomDepot
  (http://www.condomdepot.com)
                                                   older. Emergency contracep-
                                                   tion is most effective if used
                                                   within 12 hours of exposure,
                                                                                          C
                                                                                        linicians
                                                                                   should remain
                                                   but has some clinical value if
  At the other end of the marketing spectrum,      started within 120 hours of     vigilant and
some brands are being advertised to men with       the accident. 20
                                                                                   counter the more
strong androgen appeal⎯eg, “the condom that                                               subtle barriers
has captured a whopping 60% market share           CONCLUSION
in Japan.” The names of many brands are also                                              to use, such
clearly aimed at creating positive male images     Male condoms have greatly              as medically
for the user.                                      improved in recent years.              incorrect
                                                   Their quality and reliability
CONDOM ACCESS AND                                  are quite good.12 Undeniable           or biased
PATIENT EDUCATION                                  evidence confi rms their effi-         information about
                                                   cacy in reducing STI trans-            condom safety
Barely 100 years ago, condoms were available       mission. The need to develop
only “behind the counter” (by asking the phar-     products that couples will             and efficacy.
macist), and in some areas interstate transport    use correctly and consis-
of condoms for birth control was illegal. Today,   tently has been recognized
the easy access to condoms in vending machines,    by the industry, and many new designs have
on the shelves of pharmacies and grocery stores,   been introduced to meet more individual
and on the Internet is particularly gratifying.    needs. Clinicians should encourage condom
Clinicians should remain vigilant and counter      usage to maximize the contraceptive and STI
the more subtle barriers to use, such as medi-     risk-reduction benefits for all sexually active
cally incorrect or biased information about        people. Up-to-date information about con-
condom safety and efficacy.18 They need to pro-    dom efficacy and specific education about
vide patient education about correct placement,    correct use should be shared with patients
use, and disposal of condoms⎯preferably in         who are not yet sexually active to help them
advance of use (Table). Bad advice (eg, recom-     responsibly protect themselves and their
mending the use of lubricant beneath the con-      partners when they initiate sexual activity.
dom to enhance sensation) should be replaced
with better information about current designs      REFERENCES
that offer sensation without increasing the risk    1. Warner L, Hatcher RA, Steiner MK. Male con-
of slippage. Specific recommendations about            doms. In: Hatcher RA, Trussell J, Stewart F, et
using two condoms to enhance sensation and             al, eds. Contraceptive Technology. 18th ed. New
                                                       York, NY: Ardent Media; 2004:331.
ensure STI protection can also be very helpful      2. National Institutes of Allergy and Infectious Dis-
to patients.19                                         eases. Workshop Summary: Scientific Evidence
                                                       on Condom Effectiveness for Sexually Trans-
ACCESSORY MEDICATION                                   mitted Disease (STD) Prevention, 12-13 June
                                                       2000. Herndon, Va: National Institutes of Health,
                                                       Department of Health and Human Services; 2001.
Finally, all condom users should be reminded           Available at: http://www.niaid.nih.gov/dmid/stds/
that even with correct and consistent use,             condomreport.pdf. Accessed April 2, 2007.

                                                                              The Female Patient VOL. 32 MAY 2007 63
CME

 Modern Male Condoms

             3. Holmes KK, Levine R, Weaver M. Effectiveness                   of men in the United States. Fam Plann Perspect.
                of condoms in preventing sexually transmitted                  1993;25(2):67-73.
                infections. Bull World Health Organ. 2004;82(6):         12.   Condoms and other contraception. Consumer
                454-461.                                                       Reports. 2005;February:34.
             4. Wald A, Langenberg AG, Krantz E, et al. The rela-        13.   Department of Health and Human Services. NIOSH
                tionship between condom use and herpes simplex                 Alert. Preventing allergic reactions to natural rub-
                virus acquisition. Ann Intern Med. 2005;143(10):               ber latex in the workplace; 1997 DHHS (NIOSH),
                707-713.                                                       No. 97-135. Available at http://www.cdc.gov/niosh/
             5. Winer RL, Hughes JP, Feng Q, et al. Condom use                 latexalt.html. Accessed April 2, 2007.
                and the risk of genital human papillomavirus infec-      14.   Frezieres RG, Walsh TL, Nelson AL, Clark VA,
                tion in young women. N Engl J Med. 2006;354(25):               Coulson AH. Breakage and acceptability of a poly-
                2645-2654.                                                     urethane condom: a randomized, controlled study.
             6. Trussell J. The essentials of contraception: Efficacy,         Fam Plann Perspect. 1998;30(2):73-78.
                safety and personal considerations. In: Hatcher RA,      15.   Frezieres RG, Walsh TL, Nelson AL, Clark VA,
                Trussell J, Stewart F, et al, eds. Contraceptive Tech-         Coulson AH. Evaluation of the efficacy of a
                nology. 18th ed. New York, NY: Ardent Media;                   polyurethane condom: results from a random-
                2004:226.                                                      ized, controlled clinical trial. Fam Plann Perspect.
             7. Nelson AL. Recent use of condoms and emergency                 1999;31(2):81-87.
                contraception by women who selected condoms as           16.   Eaton DK, Kann L, Kinchen S, et al. Youth
                their contraceptive method. Am J Obstet Gynecol.               risk behavior surveillance⎯United States, 2005.
                2006;194(6):1710-1715.                                         MMWR Surveill Summ. 2006;55(5):1-108.
             8. Novikova N, Weisberg E, Stanczyk FZ, Croxatto HB,        17.   Wilkinson D, Ramjee G, Tholandi M, Rutherford
                Fraser IS. Effectiveness of levonorgestrel emergency           G. Nonoxynol-9 for preventing vaginal acquisition
                contraception given before or after ovulation⎯a                of HIV infection by women from men. Cochrane
                pilot study. Contraception. 2007;75(2):112-118.                Database Syst Rev. 2002;(4):CD003936. Review.
                                                                         18.   Sex, condoms and STDs: what we now know.
             9. Walsh TL, Frezieres RG, Peacock K, et al. Effective-           The Medical Institute for Sexual Health. Austin,
                ness of the male latex condom: combined results                TX:2003.
                for three popular condom brands used as con-             19.   Albert AE, Warner DL, Hatcher RA, Trussell J,
                trols in randomized clinical trials. Contraception.            Bennett C. Condom use among female commercial
                2004;70(5):407-413.                                            sex workers in Nevada’s legal brothels. Am J Public
            10. Forrest JD, Singh S. The sexual and reproductive               Health. 1995;85(11):1514-1520.
                behavior of American women, 1982-1988. Fam               20.   von Hertzen H, Piaggio G, Ding J, et al. Low dose
                Plann Perspect. 1990;22(5):206-214.                            mifepristone and two regimens of levonorgestrel for
            11. Grady WR, Klepinger DH, Billy JO, Tanfer K. Con-               emergency contraception: a WHO multicentre ran-
                dom characteristics: the perceptions and preferences           domised trial. Lancet. 2002;360(9348):1803-1810.

64 The Female Patient   VOL. 32 MAY 2007
You can also read