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Noncontraceptive benefits of the estradiol valerate/dienogest combined oral contraceptive: a review of the literature

Authors Nappi R, Serrani M, Jensen J

Received 4 April 2014

Accepted for publication 22 May 2014

Published 2 August 2014 Volume 2014:6 Pages 711—718


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 4

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Rossella E Nappi,1 Marco Serrani,2 Jeffrey T Jensen3

1Department of Obstetrics and Gynecology, Research Centre for Reproductive Medicine, IRCCS Policlinico San Matteo Foundation, University of Pavia, Pavia, Italy; 2Global Medical Affairs Women's Healthcare, Bayer HealthCare Pharmaceuticals, Berlin, Germany; 3Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, OR, USA

Abstract: Combined oral contraceptives formulated to include estradiol (E2) have recently become available for the indication of pregnancy prevention. A combined estradiol valerate and dienogest pill (E2V/DNG), designed to be administered using an estrogen step-down and a progestin step-up regimen over 26 days of active treatment followed by 2 days of placebo (26/2-day regimen), has also undergone research to assess the potential for additional noncontraceptive benefits. Randomized, placebo-controlled studies have demonstrated that E2V/DNG is an effective treatment for heavy menstrual bleeding – a reduction in median menstrual blood loss approaching 90% occurs after 6 months of treatment. To date, E2V/DNG is the only oral contraceptive approved for this indication. Comparator studies have also demonstrated a reduction in hormone withdrawal-associated symptoms in users of E2V/DNG compared with a conventional 21/7-day regimen of ethinylestradiol/levonorgestrel. Other potential noncontraceptive benefits associated with E2V/DNG, like improvement in dysmenorrhea, sexual function, and quality of life, are comparable with those associated with other combined oral contraceptives and are discussed further in this review.

Keywords: heavy menstrual bleeding, hormone withdrawal-associated symptoms, quality of life


Over the last 50 years, combined oral contraceptives (COCs) have become a widely accepted form of birth control. They have also undergone considerable evolution in the dose and type of estrogen, the type of progestins, and the variety of regimens used, as well as the inclusion of other pharmaceuticals that could be beneficial to menstruating women (eg, folic acid and iron). These developments have been driven, in part, to improve tolerability, meet women’s requirements, and provide additional benefits. Although the described noncontraceptive health benefits of COCs are numerous,1 only a few noncontraceptive indications have been specifically approved by regulatory authorities for some formulations; these include: the treatment of acne and/or hirsutism as well as other signs of androgenization in women, such as androgenetic alopecia, with ethinyl estradiol (EE)/drospirenone (YAZ®; Bayer HealthCare Pharmaceuticals, Berlin, Germany), EE/cyproterone acetate (Dianette/Diane-35; Bayer Schering Pharma AG, Berlin, Germany), EE/norgestimate (Ortho Tri-Cyclen®; Janssen Pharmaceuticals Inc., Titusville, NJ, USA), and EE/norethindrone acetate with ferrous fumarate (Estrostep Fe®; Warner Chilcott Company, LLC, Rockaway, NJ, USA);26 treatment of premenstrual dysphoric disorder (PMDD) with EE/drospirenone (YAZ®);2 and the treatment of heavy menstrual bleeding (HMB) with estradiol valerate (E2V)/dienogest (DNG) (Qlaira®/Natazia®; Bayer HealthCare Pharmaceuticals).7 Epidemiologic studies have also demonstrated that COCs reduce the risk of endometrial, ovarian, and colon cancers8,9 and all cause mortality.10

Previous attempts to improve the tolerability of COCs, by replacing EE with 17-beta-estradiol (E2), resulted in poor cycle control, particularly when E2 was administered as part of a monophasic or a biphasic regimen.11,12 A novel 26/2-day dynamic-dose regimen (26 days of hormone, followed by a 2-day hormone-free interval [HFI]) of E2V/DNG (Qlaira®/Natazia®), administered using an estrogen step-down and progestin step-up approach, has been developed to provide efficient ovulation inhibition, high contraceptive efficacy, and good cycle control, with an acceptable tolerability profile.11 E2V/DNG has been approved for contraceptive use in Europe and North America,11,13,14 and more recently, approved for the treatment of HMB, based on the results of two multicenter trials conducted in Europe/Australia and North America.15,16

Since its introduction, E2V/DNG has been assessed in a number of studies designed to better define its noncontraceptive benefits. This paper reviews the noncontraceptive therapeutic benefits associated with the use of E2V/DNG.


A PubMed literature search for original research articles published between January 1, 2000 and May 7, 2014, using the terms “estradiol valerate” and “dienogest”, “Qlaira”, and “E2V/DNG”, yielded 206 unique citations. From the initial electronic search, 16 original research articles reporting the E2V/DNG oral contraceptive were identified based on abstract/title information and retrieved;11,13,1528 the full articles were assessed, and eight articles that reported noncontraceptive benefits of E2V/DNG (loosely defined as any perceived benefit beyond safety and contraceptive efficacy, or related surrogate outcomes) were identified for inclusion.13,1518,22,24,28 Of the other publications, one was a pooled study summarizing menstrual blood loss (MBL) data across two individual studies previously identified, and was included as appropriate.23 The other seven articles reported on outcomes that were not the focus of this review but were included, where appropriate, as supportive references.11,1921,2527 Ten other pertinent articles were identified from published manuscripts known to the authors or from unpublished manuscripts that were available to them and were included for discussion,14,2937 but three others were not included as the outcomes reported were not the focus of this review.3840 Thus, 19 articles that reported some noncontraceptive benefits of E2V/DNG formed the main bulk of this narrative review.

Noncontraceptive benefits of E2V/DNG

Bleeding profile

The drive to develop E2-based oral contraceptives has, in part, been due to an interest in reducing the serious adverse effects related to the hepatic and hemostatic changes associated with EE. However, early attempts at producing E2-based oral contraceptives have been limited by poor cycle stability, attributed to the rapid metabolism of E2 to the weaker estrogen, estrone, which is unable to maintain stable endometrial proliferation. Moreover, the rate of E2 metabolism may be influenced by the progestin, and as such, those progestins with minimal impact on E2 metabolism and endometrial stroma stability would be expected to improve cycle stability. DNG is a 19-norprogestin derivative with high specificity for the progesterone receptor, antiandrogenic properties, and minimal impact on lipid and carbohydrate metabolism. It has no glucocorticoid, antimineralocorticoid, or antiestrogenic activity.41 In addition, DNG has potent antiproliferative effects on the endometrium, as well as anti-inflammatory and antiangiogenic properties.42

The E2V/DNG 26/2 cycle consists of E2V 3 mg on days 1–2, E2V 2 mg/DNG 2 mg on days 3–7, E2V 2 mg/DNG 3 mg on days 8–24, E2V 1 mg on days 25–26, and placebo on days 27–28.11 This regimen has been shown to effectively inhibit ovulation and provide extraovarian contraceptive effects (such as reducing endometrial thickness and cervical mucus production).11,20 The phased delivery of hormones was designed to provide estrogen dominance at the start of the cycle and progestin dominance during the mid and later part of the cycle. The early estrogenic dominance allows for initial endometrial proliferation, thereby enhancing sensitivity to progestin action at midcycle and endometrial stroma stability.28 Endometrial stroma stability ensures a predictable bleeding profile with E2V/DNG. Administration of E2 only at the end of the cycle, along with a short (2 day) HFI, results in E2 levels that remain relatively stable throughout the cycle.27

E2V/DNG is an established contraceptive with a reduced-bleed profile.16,28,35 In a seven-cycle, multicenter, double-blind, double-dummy, randomized, controlled trial (RCT) in healthy women aged 18–50 years, E2V/DNG was shown to achieve shorter and lighter bleeding and resulted in a higher proportion of women without withdrawal bleeding compared with the monophasic combination of EE 20 μg/levonorgestrel (LNG) 100 μg administered in a 21/7-day regimen (21 days of hormone, followed by a 7-day HFI) (the proportion who experienced withdrawal bleeding per cycle through cycles 1–7 was 77.7%–83.2% with E2V/DNG and 89.5%–93.8% with EE/LNG [P<0.0001 per cycle]).28 For some women, however, this might be considered a disadvantage as withdrawal bleeding may reassure them that they are not pregnant. Although these data suggested that E2V/DNG may reduce MBL to a greater extent than EE/LNG, the study also showed that the incidence of intracyclic bleeding, adverse events, and satisfaction with therapy associated with the two COCs were similar.28


COCs are widely used for the management of primary dysmenorrhea as the condition has long been shown to respond favorably to ovulation inhibition.43 In addition, COCs suppress endometrial growth, thereby reducing the proliferation of endometrial tissue. In an RCT comparing E2V/DNG and EE/LNG in 507 women with primary dysmenorrhea over three cycles of treatment, both COCs alleviated dysmenorrhea and decreased the number of days with dysmenorrheic pain, compared with baseline, to a similar amount (−4.6±4.6 days and −4.2±4.2 days for the E2V/DNG and EE/LNG groups, respectively) (P=0.34).29

Heavy menstrual bleeding

E2V/DNG is currently the only COC indicated for the treatment of HMB (defined as blood loss of at least 80 mL per menstrual cycle44). Approval was based on two rigorous, identically designed, double-blind, placebo-controlled RCTs15,16 in women with heavy and/or prolonged menstrual bleeding without organic pathology (ie, HMB due to endometrial dysfunction, using International Federation of Gynecology and Obstetrics [FIGO] terminology45). Menstrual bleeding was recorded daily in electronic diaries throughout the study, and MBL was estimated from sanitary protection used by the women, using a modified version of the alkaline hematin method.46 The primary efficacy end point across both studies (as requested by the USA Food and Drug Administration) was based on a previously unused composite of eight stringent criteria for “complete response” (ie, a return to “menstrual normality”) during a 90-day efficacy period, defined as the complete resolution of qualifying abnormal menstrual symptoms, including a reduction in MBL to below 80 mL and ≥50% reduction in MBL, in women with HMB (Table 1).

Table 1 Primary efficacy outcomes* used in two identically designed, double-blind, placebo-controlled, randomized controlled studies with estradiol valerate/dienogest, in women with heavy and/or prolonged menstrual bleeding without organic pathology
Notes: *Fraser et al15 and Jensen et al16 had to use these outcomes as mandated by the US Food and Drug Administration.62 The primary efficacy outcome was the proportion of women who had a complete response (ie, restoration of “normal menstruation”) during a 90-day efficacy interval versus the 90-day run-in interval. A complete response was defined as a composite of up to eight individual criteria defined in the table.

In the first of these RCTs carried out in Europe and Australia,15 231 otherwise healthy women with confirmed heavy, prolonged or frequent menstrual bleeding were randomized (2:1) to seven cycles of E2V/DNG or placebo. The proportion of women with a return to “menstrual normality” was significantly higher with E2V/DNG versus placebo (29.5% vs 1.2%) (P<0.0001). In the second RCT, carried out in 128 women in the United States and Canada,16 the findings were similar (29.2% E2V/DNG vs 2.9% placebo) (P<0.001).

In a pooled analysis of data from these two RCTs, median MBL across both studies was found to have decreased by 88% with E2V/DNG compared with 24% with placebo, after 6 months of treatment. The onset of action of E2V/DNG was shown to be rapid, with the largest reductions in MBL achieved as early as the first withdrawal bleed after E2V/DNG initiation and maintained with no loss of effect (and even some further gradual improvement) with continued treatment.36

The data from the two RCTs were reanalyzed in another pooled analysis, using the definition of treatment success that was previously employed in another RCT comparing the efficacy and safety of the levonorgestrel-releasing intrauterine system with that of oral medroxyprogesterone acetate in women with HMB.47 Using these criteria, the proportions of patients successfully treated (ie, reduction in MBL to <80 mL and a ≥50% reduction compared with baseline) with seven cycles of E2V/DNG and placebo, respectively, were 63.6% and 11.9% (P<0.001).23

There are currently no head-to-head trials comparing E2V/DNG with other COCs or other medical treatment options in the management of HMB, and as such, only indirect comparisons can be made. Commonly used medical therapies for HMB include the levonorgestrel-releasing intrauterine system, tranexamic acid, EE-based COCs, oral progestins, and nonsteroidal anti-inflammatory drugs (NSAIDs). Figure 1 allows an indirect comparison of the reduction in MBL achieved with E2V/DNG relative to the other various medical therapies, in women with HMB without organic pathology. The reduction from baseline in MBL achieved with E2V/DNG (median 88% reduction after 6 months)36 appears to approach that achieved with the levonorgestrel-releasing intrauterine system (median 91%–95% after 6 months) and appears superior to other oral treatments.4750 However, the main limitations of such interstudy comparison include patient heterogeneity and deviations in the alkaline hematin method, which requires consistent use of validated sanitary materials, and as such, may mask variations in efficacy between studies.

Figure 1 Bleeding reduction after 6 months of treatment with selected medical therapies, measured using the alkaline hematin method (data from randomized control trial unless otherwise stated).15,16,47,50,5861
Notes: b10 mg daily from day 16 to 25 of cycle; aEE 30 μg/LNG 150 μg in a 21/7 regimen after 12 months; c1.3 g TID on days 1 to 5 of cycle; dnonrandomized trial; eMBL reduction between 90-day run-in phase and 90-day efficacy phase.
Abbreviations: DNG, dienogest; E2V, estradiol valerate; EE, ethinyl estradiol; LNG–IUS, levonorgestrel-releasing intrauterine system; LNG, levonorgestrel; MBL, menstrual blood loss; MPA, medroxyprogesterone acetate; TID, three times daily.

Quality of life (QoL) implications of HMB treatment

While QoL was not directly assessed in the two RCTs assessing E2V/DNG in the treatment of HMB, the effect of treatment on HMB-related impairment of work productivity and activities of daily living has been assessed.18,32 These assessments showed that the benefits of E2V/DNG in reducing MBL could be translated into a consistent positive impact on work productivity and activities of daily living. Moreover, these improvements resulted in savings of US$22–62 and US$18–56 per month, associated with better work productivity and improvements in activities of daily living, respectively, in the study conducted in Europe and Australia.32 In the US and Canadian study, improvements in work productivity and activities of daily living with E2V/DNG resulted in monthly saving of US$80.2 and Can$70.8, and US$84.9 and Can$73.5, respectively, in the two countries.18

Hormone-associated withdrawal symptoms

Some users of conventional COCs with cyclical 21/7-day regimens experienced bothersome symptoms during the HFI.51 These are generally believed to be the result of estrogen withdrawal/fluctuation during the HFI and can include headaches and pelvic pain, nausea or vomiting, bloating, and breast tenderness.51,52 Consequently, it is hypothesized that eliminating or reducing the HFI should reduce the frequency and/or severity of these hormone withdrawal-associated symptoms.53

The effect of the 26/2-day dynamic-dosing E2V/DNG regimen in reducing the severity of hormone withdrawal-associated symptoms in women prone to these symptoms was evaluated in two Phase III RCTs using 21/7-day regimen COC comparators.17,31 The Phase III, multicenter, double-blind HARMONY I and II RCTs showed that E2V/DNG provided significantly greater reductions in the frequency and intensity of headache and pelvic pain during the HFI than did 21/7-day regimens with triphasic EE/norgestimate or EE/LNG, in otherwise healthy women aged 18–50 years (Figure 2).17,31 The use of rescue medication was also significantly reduced with E2V/DNG compared with the triphasic EE/norgestimate or EE/LNG COCs. These studies suggest that E2V/DNG may be a good option for women who experience hormone withdrawal-associated symptoms with traditional 21/7-day regimen COCs. The 26/2-day dynamic dosing regimen of E2V/DNG, with its shortened HFI, has been shown to provide stable levels of E2 throughout the 28-day cycle, including during the HFI, which may, in part, explain its benefit with respect to these symptoms.27

Figure 2 Change from baseline to cycle 6 in the average of the three highest VAS values on cycle days 22–28, for the hormone withdrawal-associated symptoms of headache or pelvic pain, in women who received treatment with E2V/DNG compared with (A) triphasic EE/NGM and (B) EE/LNG.
Notes: (A) Reproduced from Jensen JT, Parke S, Mellinger U, et al, Eur J Contracept Reprod Health Care, 2013;18(4):274–283, Copyright © 2013, Informa Healthcare. Reproduced with permission of Informa Healthcare.17 (B) Reproduced from Macìas G, Merki-Feld GS, Parke S, et al, J Obstet Gynaecol, 2013;33(6):591–596, Copyright © 2013, Informa Healthcare. Reproduced with permission of Informa Healthcare.31
Abbreviations: DNG, dienogest; E2V, estradiol valerate; EE, ethinyl estradiol; LNG, levonorgestrel; NGM, norgestimate; SD, standard deviation; VAS, visual analog scale.

Other COCs taken in regimens that eliminate (ie, continuous use) or reduce the HFI (eg, 24/4-day regimens) have reported improvements in hormone withdrawal-associated symptoms.53 There are currently no head-to-head data comparing the effect of E2V/DNG with these regimens.

Menstrual-related migraine

E2V/DNG has been shown to have a positive effect in women with menstrual-related migraine. A prospective pilot study in 32 women with menstrual-related migraine showed that six cycles of E2V/DNG significantly reduced the number of migraine attacks and the amount of analgesic used versus baseline.33 In addition, in those with concomitant dysmenorrhea at baseline, complete remission of menstrual cramps was reported by 59% (17/29) and 61% (17/28) of these women at cycles 3 and 6, respectively. Persistence of dysmenorrhea was shown to be a potential feature associated with refractory head pain in a subgroup of women with dysmenorrhea. However, the open label, noncomparator nature of this study makes it impossible to draw robust conclusions as the study provides no reference for the observed changes.33

It must be kept in mind that a cautious approach regarding any COC use is recommended for women with a history of headache. A clear diagnostic distinction between common headache and migraine, either with or without aura is needed, especially as both the American College of Obstetricians and Gynecologists and the World Health Organization list migraine with aura as an absolute contraindication to the use of COCs, due to the increased risk of stroke.54,55 In the absence of aura, other individual risk factors should be taken into account. Women who develop new onset migraine or a worsening of migraine symptoms while using COCs should discontinue use.56

Sexual function and QoL

Oral contraceptives are not thought to improve sexual function, aside from the reduction in concern for risk of pregnancy. However, oral contraceptives containing progestins with antiandrogenic activity, such as DNG, may theoretically be associated with decreased libido,57 and it is common for women with associated sexual dysfunction to be switched to oral contraceptives containing progestins with androgenic activity, such as LNG.34 A preliminary study in 57 sexually active, healthy women showed that E2V/DNG improved QoL and had a positive effect on sexuality over six cycles of use;24 however, this study was open label, and without a comparator. More recently, a multicenter, double-blind, noninferiority RCT compared the effects of six cycles of E2V/DNG with EE/LNG on sexual function, in 276 women with COC-associated sexual dysfunction.34 Similar improvements in all domains of the Female Sexual Function Index (FSFI) were demonstrated with E2V/DNG and EE/LNG recipients, with no significant between-group differences (Figure 3). The mean increase (improvement) in the sum of the FSFI Desire and Arousal component scores from baseline to cycle 6 were 5.90±5.45 for E2V/DNG and 5.79±6.17 for EE/LNG (both P<0.0001), and all other efficacy parameters were also equally improved with the two COCs. Overall, these results suggest that E2V/DNG does not have a detrimental effect on sexual function.

Figure 3 Scores of the Female Sexual Function Index subdomains, for E2V/DNG and EE/LNG, at baseline and cycle 6, and the change from baseline.
Note: Reproduced from Change to either a nonandrogenic or androgenic progestin-containing oral contraceptive preparation is associated with improved sexual function in women with oral contraceptive-associated sexual dysfunction. Davis SR, Bitzer J, Giraldi A, et al. J Sex Med. 2013;10(12):3069–3079. Copyright © 2013 International Society for Sexual Medicine.34
Abbreviations: DNG, dienogest; E2V, estradiol valerate; EE, ethinyl estradiol; FSFI, Female Sexual Function Index, LNG, levonorgestrel.

Other benefits

There is evidence to suggest that E2V/DNG may have a positive influence on acne and hyperandrogenism.30 In a small 1-year preliminary observational study in 36 young women with polycystic ovary syndrome (PCOS) and mild or moderate acne, 12 cycles of E2V/DNG provided a significant improvement of acne in 53% of patients (P<0.01) and a significant increase in sex hormone-binding globulin levels at 6 and 12 months (P<0.001).30 However, larger, longer-term RCTs that include a comparator are needed to confirm whether E2V/DNG offers any advantage over other COC formulations, for the treatment of acne. E2V/DNG has also been assessed as a strategy for endometrial preparation prior to operative hysteroscopy, with two small randomized studies supporting that pretreatment with E2V/DNG improved the subjective ease of the procedure.22,37 Again, larger RCTs are needed to confirm whether E2V/DNG pretreatment offers any advantage over other COC formulations with regard to operative hysteroscopy procedures.


E2V/DNG is an established contraceptive with a reduced-bleed profile and is currently the only COC approved for treatment of HMB. It may be a good alternative for women susceptible to hormone withdrawal-associated symptoms with COCs taken in the conventional 21/7-day regimen. Whether the reduction in hormone withdrawal-associated symptoms is due to the components of the formulation, the dosing regimen, or both, remains to be fully established. The available evidence does not suggest that E2V/DNG has a detrimental impact on sexual function compared with LNG combination pills.


Medical writing support during development of this manuscript was provided by Mary Hines and Richard Glover of inScience Communications, Springer Healthcare. This assistance was funded by Bayer HealthCare Pharmaceuticals.


During the past 2 years, Dr Nappi had financial relationship (lecturer, member of advisory boards, and/or consultant) with Bayer HealthCare Pharmaceuticals, Ely Lilly, Gedeon-Richter, HRA Pharma, Merck Sharpe and Dohme, Novo Nordisk, Pfizer Inc., Shionogi Limited, and TEVA/Theramex. Dr Serrani is an employee of Bayer HealthCare Pharmaceuticals. Dr Jensen has received payments for consulting, from Agile Pharmaceuticals, Abbvie Pharmaceuticals, Bayer HealthCare Pharmaceuticals, ContraMed, Evofem Inc., HRA Pharma, Merck Pharmaceuticals, Teva Pharmaceuticals, and the Population Council; and for lectures, from Bayer and Merck; he has also received research funding from Abbvie, Bayer HealthCare Pharmaceuticals, the Population Council, the National Institutes of Health, and the Bill and Melinda Gates Foundation. These companies and organizations may have a commercial or financial interest in the results of this research and technology. The authors report no other conflicts of interest.



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