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Barone JC, Butler MP, Ross A, Patterson A, Wagner-Schuman M, Eisenlohr-Moul TA. A scoping review of hormonal clinical trials in menstrual cycle-related brain disorders: Studies in premenstrual mood disorder, menstrual migraine, and catamenial epilepsy. Front Neuroendocrinol 2023; 71:101098. [PMID: 37619655 PMCID: PMC10843388 DOI: 10.1016/j.yfrne.2023.101098] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 08/17/2023] [Accepted: 08/19/2023] [Indexed: 08/26/2023]
Abstract
Cyclic variations in hormones during the normal menstrual cycle underlie multiple central nervous system (CNS)-linked disorders, including premenstrual mood disorder (PMD), menstrual migraine (MM), and catamenial epilepsy (CE). Despite this foundational mechanistic link, these three fields operate independently of each other. In this scoping review (N = 85 studies), we survey existing human research studies in PMD, MM, and CE to outline the exogenous experimental hormone manipulation trials conducted in these fields. We examine a broad range of literature across these disorders in order to summarize existing diagnostic practices and research methods, highlight gaps in the experimental human literature, and elucidate future research opportunities within each field. While no individual treatment or study design can fit every disease, there is immense overlap in study design and established neuroendocrine-based hormone sensitivity among the menstrual cycle-related disorders PMD, MM, and CE. SCOPING REVIEW STRUCTURED SUMMARY Background. The menstrual cycle can be a biological trigger of symptoms in certain brain disorders, leading to specific, menstrual cycle-linked phenomena such as premenstrual mood disorders (PMD), menstrual migraine (MM), and catamenial epilepsy (CE). Despite the overlap in chronicity and hormonal provocation, these fields have historically operated independently, without any systematic communication about methods or mechanisms. OBJECTIVE Online databases were used to identify articles published between 1950 and 2021 that studied hormonal manipulations in reproductive-aged females with either PMD, MM, or CE. We selected N = 85 studies that met the following criteria: 1) included a study population of females with natural menstrual cycles (e.g., not perimenopausal, pregnant, or using hormonal medications that were not the primary study variable); 2) involved an exogenous hormone manipulation; 3) involved a repeated measurement across at least two cycle phases as the primary outcome variable. CHARTING METHODS After exporting online database query results, authors extracted sample size, clinical diagnosis of sample population, study design, experimental hormone manipulation, cyclical outcome measure, and results from each trial. Charting was completed manually, with two authors reviewing each trial. RESULTS Exogenous hormone manipulations have been tested as treatment options for PMD (N = 56 trials) more frequently than MM (N = 21) or CE (N = 8). Combined oral contraceptive (COC) trials, specifically those containing drospirenone as the progestin, are a well-studied area with promising results for treating both PMDD and MM. We found no trials of COCs in CE. Many trials test ovulation suppression using gonadotropin-releasing hormone agonists (GnRHa), and a meta-analysis supports their efficacy in PMD; GnRHa have been tested in two MM-related trials, and one CE open-label case series. Finally, we found that non-contraceptive hormone manipulations, including but not limited to short-term transdermal estradiol, progesterone supplementation, and progesterone antagonism, have been used across all three disorders. CONCLUSIONS Research in PMD, MM, and CE commonly have overlapping study design and research methods, and similar effects of some interventions suggest the possibility of overlapping mechanisms contributing to their cyclical symptom presentation. Our scoping review is the first to summarize existing clinical trials in these three brain disorders, specifically focusing on hormonal treatment trials. We find that PMD has a stronger body of literature for ovulation-suppressing COC and GnRHa trials; the field of MM consists of extensive estrogen-based studies; and current consensus in CE focuses on progesterone supplementation during the luteal phase, with limited estrogen manipulations due to concerns about seizure provocation. We argue that researchers in any of these respective disciplines would benefit from greater communication regarding methods for assessment, diagnosis, subtyping, and experimental manipulation. With this scoping review, we hope to increase collaboration and communication among researchers to ultimately improve diagnosis and treatment for menstrual-cycle-linked brain disorders.
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Affiliation(s)
- Jordan C Barone
- University of Illinois at Chicago, Department of Psychiatry, USA; University of Illinois at Chicago, Medical Scientist Training Program, USA.
| | - Mitchell P Butler
- University of Illinois at Chicago, Medical Scientist Training Program, USA; University of Illinois at Chicago, Department of Neurology and Rehabilitation, USA
| | - Ashley Ross
- University of Illinois at Chicago, Department of Psychiatry, USA; University of Illinois at Chicago, Medical Scientist Training Program, USA
| | - Anna Patterson
- University of Illinois at Chicago, Department of Psychiatry, USA; University of Illinois at Chicago, Medical Scientist Training Program, USA
| | | | - Tory A Eisenlohr-Moul
- University of Illinois at Chicago, Department of Psychiatry, USA; University of Illinois at Chicago, Medical Scientist Training Program, USA
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Naheed B, Kuiper JH, Uthman OA, O'Mahony F, O'Brien PMS. Non-contraceptive oestrogen-containing preparations for controlling symptoms of premenstrual syndrome. Cochrane Database Syst Rev 2017; 3:CD010503. [PMID: 28257559 PMCID: PMC6464572 DOI: 10.1002/14651858.cd010503.pub2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Premenstrual syndrome (PMS) is a psychological and somatic disorder of unknown aetiology, with symptoms typically including irritability, depression, mood swings, bloating, breast tenderness and sleep disturbances. About 3% to 10% of women who experience these symptoms may also meet criteria for premenstrual dysphoric disorder (PMDD). PMS symptoms recur during the luteal phase of the menstrual cycle and reduce by the end of menstruation. PMS results from ovulation and may be due to ovarian steroid interactions relating to neurotransmitter dysfunction. Premenstrual disorders have a devastating effect on women, their families and their work.Several treatment options have been suggested for PMS, including pharmacological and surgical interventions. The treatments thought to be most effective tend to fall into one of two categories: suppressing ovulation or correcting a speculated neuroendocrine anomaly.Transdermal oestradiol by patch, gel or implant effectively stops ovulation and the cyclical hormonal changes which produce the cyclical symptoms. These preparations are normally used for hormone therapy and contain lower doses of oestrogen than found in oral contraceptive pills. A shortened seven-day course of a progestogen is required each month for endometrial protection but can reproduce premenstrual syndrome-type symptoms in these women. OBJECTIVES To determine the effectiveness and safety of non-contraceptive oestrogen-containing preparations in the management of PMS. SEARCH METHODS On 14 March 2016, we searched the following databases: the Cochrane Gynaecology and Fertility Group (CGF) Specialised Register; Cochrane Central Register of Studies (CRSO); MEDLINE; Embase; PsycINFO; CINAHL; ClinicalTrials.gov; metaRegister of Controlled trials (mRCT); and the World Health Organization (WHO) International Clinical Trials Registry Platform (ICTRP) Search Portal. In addition, we checked the reference lists of articles retrieved. SELECTION CRITERIA We included published and unpublished randomized placebo or active controlled trials on the efficacy of the use of non-contraceptive oestrogen-containing preparations in the management of premenstrual syndrome in women of reproductive age with PMS diagnosed by at least two prospective cycles without current psychiatric disorder. DATA COLLECTION AND ANALYSIS Two review authors independently selected studies, assessed risk of bias, extracted data on premenstrual symptoms and adverse effects and entered data into Review Manager 5 software. Where possible, intention-to-treat or modified intention-to-treat analysis was used. Studies were pooled using a fixed-effect model, analysing cross-over trials as parallel trials. Standardised mean differences (SMDs) with 95% confidence intervals (CIs) were calculated for premenstrual symptom scores. Risk ratios (RRs) with 95% confidence intervals (CIs) were calculated for dichotomous outcomes. The overall quality of the evidence was assessed using the GRADE working group methods. MAIN RESULTS The search resulted in 524 potentially relevant articles. Five eligible randomized controlled trials (RCTs) were identified (305 women). Trials using oral tablets, transdermal patches and implants were identified. No trial used gels.One small cross-over trial (11 women, effective sample size 22 women considering cross-over trials) compared oral luteal-phase oestrogen versus placebo. Data were very low quality and unsuitable for analysis, but study authors reported that the intervention was ineffective and might aggravate the symptoms of PMS. They also reported that there were no adverse events.Three studies compared continuous oestrogen with progestogen versus placebo (with or without progestogen). These trials were of reasonable quality, although with a high risk of attrition bias and an unclear risk of bias due to potential carry-over effects in two cross-over trials. Continuous oestrogen had a small to moderate positive effect on global symptom scores (SMD -0.34, 95% CI -0.59 to -0.10, P = 0.005, 3 RCTs, 158 women, effective sample size 267 women, I² = 63%, very low quality evidence). The evidence was too imprecise to determine if the groups differed in withdrawal rates due to adverse effects (RR 0.64, 95% CI 0.26 to 1.58, P = 0.33, 3 RCTs, 196 women, effective sample size 284 women, I² = 0%, very low quality evidence). Similarly, the evidence was very imprecise in measures of specific adverse events, with large uncertainties around the true value of the relative risk. None of the studies reported on long-term risks such as endometrial cancer or breast cancer.One study compared patch dosage (100 vs 200 µg oestrogen, with progestogen in both arms) and had a high risk of performance bias, detection bias and attrition bias. The study did not find evidence that dosage affects global symptoms but there was much uncertainty around the effect estimate (SMD -1.55, 95% CI -8.88 to 5.78, P = 0.68, 1 RCT, 98 women, very low quality evidence). The evidence on rates of withdrawal for adverse events was too imprecise to draw any conclusions (RR 0.70, 95% CI 0.34 to 1.46, P = 0.34, 1 RCT, 107 women, low-quality evidence). However, it appeared that the 100 µg dose might be associated with a lower overall risk of adverse events attributed to oestrogen (RR 0.51, 95% Cl 0.26 to 0.99, P = 0.05, 1 RCT, 107 women, very low quality evidence) with a large uncertainty around the effect estimate.The overall quality of the evidence for all comparisons was very low, mainly due to risk of bias (specifically attrition), imprecision, and statistical and clinical heterogeneity. AUTHORS' CONCLUSIONS We found very low quality evidence to support the effectiveness of continuous oestrogen (transdermal patches or subcutaneous implants) plus progestogen, with a small to moderate effect size. We found very low quality evidence from a study based on 11 women to suggest that luteal-phase oral unopposed oestrogen is probably ineffective and possibly detrimental for controlling the symptoms of PMS. A comparison between 200 µg and 100 µg doses of continuous oestrogen was inconclusive with regard to effectiveness, but suggested that the lower dose was less likely to cause side effects. Uncertainty remains regarding safety, as the identified studies were too small to provide definite answers. Moreover, no included trial addressed adverse effects that might occur beyond the typical trial duration of 2-8 months. This suggests the choice of oestrogen dose and mode of administration could be based on an individual woman's preference and modified according to the effectiveness and tolerability of the chosen regimen.
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Affiliation(s)
- Bushra Naheed
- Keele UniversityInstitute for Science and Technology in MedicineThornburrow Drive, HartshillStoke‐on‐TrentUKST4 7QB UK
| | - Jan Herman Kuiper
- Keele UniversityInstitute for Science and Technology in MedicineThornburrow Drive, HartshillStoke‐on‐TrentUKST4 7QB UK
| | - Olalekan A Uthman
- Division of Health Sciences, Warwick Medical School, The University of WarwickWarwick Centre for Applied Health Research and Delivery (WCAHRD)CoventryUKCV4 7AL
| | - Fidelma O'Mahony
- University Hospitals of North MidlandsAcademic Unit of Obstetrics and GynaecologyStoke‐on‐TrentUKST4 6QG
| | - Patrick Michael Shaughn O'Brien
- Keele University Medical SchoolAcademic Department of Obstetrics and GynaecologyNorth Staffordshire Hospital, City General HospitalNewcastle RoadStoke‐on‐TrentStaffordshireUKST4 6QG
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Bäckström T, Bixo M, Strömberg J. GABAA Receptor-Modulating Steroids in Relation to Women's Behavioral Health. Curr Psychiatry Rep 2015; 17:92. [PMID: 26396092 DOI: 10.1007/s11920-015-0627-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In certain women, increased negative mood relates to the progesterone metabolite, allopregnanolone (allo), during the luteal phase of ovulatory menstrual cycles, the premenstrual dysphoric disorder (PMDD). In anovulatory cycles, no symptom or sex steroid increase occurs but symptoms return during progesterone/allo treatment. Allo is a potent GABAA receptor-modulating steroid and as such is expected to be calming and anxiolytic. A relation to negative mood is unexpected. However, this paradoxical effect can be induced by all GABAA receptor modulators in low concentrations whereas higher concentrations are calming. The severity of the mood symptoms relate to allo in an inverted U-shaped curve at endogenous luteal-phase serum concentrations. Allo's effects on the GABAA receptor can be antagonized by isoallopregnanolone (ISO), an antagonist to allo. ISO has also been used in a preliminary clinical trial on PMDD ameliorating symptoms with good effect in PMDD patients.
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Affiliation(s)
- Torbjörn Bäckström
- Department of Clinical sciences, Obstetrics and Gynecology, Umeå neurosteroid research center, Umeå University, Building 6M 4th floor, Umeå, Sweden.
| | - Marie Bixo
- Department of Clinical sciences, Obstetrics and Gynecology, Umeå neurosteroid research center, Umeå University, Building 6M 4th floor, Umeå, Sweden.
| | - Jessica Strömberg
- Department of Clinical sciences, Obstetrics and Gynecology, Umeå neurosteroid research center, Umeå University, Building 6M 4th floor, Umeå, Sweden.
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Nyberg S. Mood and physical symptoms improve in women with severe cyclical changes by taking an oral contraceptive containing 250-mcg norgestimate and 35-mcg ethinyl estradiol. Contraception 2013; 87:773-81. [DOI: 10.1016/j.contraception.2012.09.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2012] [Revised: 09/18/2012] [Accepted: 09/19/2012] [Indexed: 01/02/2023]
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Schmidt PJ, Rubinow DR. Reproductive hormonal treatments for mood disorders in women. DIALOGUES IN CLINICAL NEUROSCIENCE 2012. [PMID: 22033644 PMCID: PMC3181679 DOI: 10.31887/dcns.2002.4.2/pschmidt] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
There has been a century-long view in medicine that reproductive function in both men and women is intimately involved with mood regulation. The 19th century witnessed a proliferation of medical reports documenting beneficial effects on mood and behavior after medical or surgical manipulations of women's reproductive functíon. More recently, the results of several studies suggest that gonadal steroids do regulate mood in some women. Thus, there is considerable interest in the potential role of reproductive therapies in the management of depressive illness, including both classical and reproductive endocrine-related mood disorders. Future studies need to determine the predictors of response to hormonal therapies compared with traditional antidepressant agents, and to characterize the long-term safety and benefits of these therapies.
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Affiliation(s)
- Peter J Schmidt
- Behavioral Endocrinology Branch, National Institute of Mental Health, Bethesda, Md, USA
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Bäckström T, Haage D, Löfgren M, Johansson IM, Strömberg J, Nyberg S, Andréen L, Ossewaarde L, van Wingen GA, Turkmen S, Bengtsson SK. Paradoxical effects of GABA-A modulators may explain sex steroid induced negative mood symptoms in some persons. Neuroscience 2011; 191:46-54. [PMID: 21600269 DOI: 10.1016/j.neuroscience.2011.03.061] [Citation(s) in RCA: 112] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2010] [Revised: 03/02/2011] [Accepted: 03/28/2011] [Indexed: 02/02/2023]
Abstract
Some women have negative mood symptoms, caused by progestagens in hormonal contraceptives or sequential hormone therapy or by progesterone in the luteal phase of the menstrual cycle, which may be attributed to metabolites acting on the GABA-A receptor. The GABA system is the major inhibitory system in the adult CNS and most positive modulators of the GABA-A receptor (benzodiazepines, barbiturates, alcohol, GABA steroids), induce inhibitory (e.g. anesthetic, sedative, anticonvulsant, anxiolytic) effects. However, some individuals have adverse effects (seizures, increased pain, anxiety, irritability, aggression) upon exposure. Positive GABA-A receptor modulators induce strong paradoxical effects including negative mood in 3%-8% of those exposed, while up to 25% have moderate symptoms. The effect is biphasic: low concentrations induce an adverse anxiogenic effect while higher concentrations decrease this effect and show inhibitory, calming properties. The prevalence of premenstrual dysphoric disorder (PMDD) is also 3%-8% among women in fertile ages, and up to 25% have more moderate symptoms of premenstrual syndrome (PMS). Patients with PMDD have severe luteal phase-related symptoms and show changes in GABA-A receptor sensitivity and GABA concentrations. Findings suggest that negative mood symptoms in women with PMDD are caused by the paradoxical effect of allopregnanolone mediated via the GABA-A receptor, which may be explained by one or more of three hypotheses regarding the paradoxical effect of GABA steroids on behavior: (1) under certain conditions, such as puberty, the relative fraction of certain GABA-A receptor subtypes may be altered, and at those subtypes the GABA steroids may act as negative modulators in contrast to their usual role as positive modulators; (2) in certain brain areas of vulnerable women the transmembrane Cl(-) gradient may be altered by factors such as estrogens that favor excitability; (3) inhibition of inhibitory neurons may promote disinhibition, and hence excitability. This article is part of a Special Issue entitled: Neuroactive Steroids: Focus on Human Brain.
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Affiliation(s)
- T Bäckström
- Umeå Neurosteroid Research Center, Department of Clinical Sciences, University of Umeå, SE-901 85 Umeå, Sweden.
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Abstract
Neurosteroids represent a class of endogenous steroids that are synthesized in the brain, the adrenals, and the gonads and have potent and selective effects on the GABAA-receptor. 3α-hydroxy A-ring reduced metabolites of progesterone, deoxycorticosterone, and testosterone are positive modulators of GABA(A)-receptor in a non-genomic manner. Allopregnanolone (3α-OH-5α-pregnan-20-one), 5α-androstane-3α, 17α-diol (Adiol), and 3α5α-tetrahydrodeoxycorticosterone (3α5α-THDOC) enhance the GABA-mediated Cl(-) currents acting on a site (or sites) distinct from the GABA, benzodiazepine, barbiturate, and picrotoxin binding sites. 3α5α-P and 3α5α-THDOC potentiate synaptic GABA(A)-receptor function and activate δ-subunit containing extrasynaptic receptors that mediate tonic currents. On the contrary, 3β-OH pregnane steroids and pregnenolone sulfate (PS) are GABA(A)-receptor antagonists and induce activation-dependent inhibition of the receptor. The activities of neurosteroid are dependent on brain regions and types of neurons. In addition to the slow genomic action of the parent steroids, the non-genomic, and rapid actions of neurosteroids play a significant role in the GABA(A)-receptor function and shift in mood and memory function. This review describes molecular mechanisms underlying neurosteroid action on the GABA(A)-receptor, mood changes, and cognitive functions.
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Affiliation(s)
- Mingde Wang
- Section of Obstetrics and Gynecology, Department of Clinical Science, Umeå Neurosteroid Research Center, Umeå UniversityUmeå, Sweden
- *Correspondence: Mingde Wang, Section of Obstetrics and Gynecology, Department of Clinical Science, Umeå Neurosteroid Research Center, Umeå University, 901 85 Umeå, Sweden. e-mail:
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Abstract
The use of estrogenic compounds as antidepressants or as coadjuvants to facilitate the effect of antidepressants has reported controversial results, suggesting that many factors could influence their actions. This review analyzes, from a basic research perspective, the possible factors that may underlie the antidepressant action of estrogens alone or in combination. The possible mechanisms of action of estrogens alone and in combination with the selective serotonin reuptake inhibitor, fluoxetine, the selective noradrenaline reuptake inhibitor, desipramine, and the mixed serotonin/noradrenaline reuptake inhibitor, venlafaxine are reviewed, focusing on monoaminergic systems and estrogen receptors as main targets. The antidepressant effect of estrogens depends on the type of estrogen, treatment duration, doses, sex, time after ovariectomy, and age. Estrogens potentiate the antidepressant-like action of fluoxetine, venlafaxine, and desipramine and drastically shorten their latency of action. The antidepressant-like effect of estrogens alone or in combination with antidepressants seems to be mediated by monoaminergic and classic estrogen receptors, as WAY100635, an antagonist to the serotonin 1A receptor, idaxozan, an antagonist to alpha2 adrenergic receptors, and RU 58668, an estrogen receptor antagonist, blocked their antidepressant-like effect. In conclusion, estrogens produce antidepressant-like actions by themselves and importantly facilitate the action of clinically used antidepressants.
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Payne JL, Palmer JT, Joffe H. A reproductive subtype of depression: conceptualizing models and moving toward etiology. Harv Rev Psychiatry 2009; 17:72-86. [PMID: 19373617 PMCID: PMC3741092 DOI: 10.1080/10673220902899706] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The lifetime risk for major depression in women is well known to be twice the risk in men and is especially high during the reproductive years between menarche and menopause. A subset of reproductive-age women experience depressive episodes that are triggered by hormonal fluctuations. Such "reproductive depressions" involve episodes of depression that occur specifically during the premenstrual, postpartum, and perimenopausal phases in women. These reproductive subtypes of depression can be conceptualized as a specific biological response to the effects of hormonal fluctuations in the brain. The different types of reproductive depressions are associated with each other, have unique risk factors that are distinct from nonreproductive depression episodes, and respond to both hormonal and nonhormonal interventions. This review uses a PubMed search of relevant literature to discuss clinical, animal, and genetic evidence for reproductive depression as a specific subtype of major depression. Unique treatment options, such as hormonal interventions, are also discussed, and hypotheses regarding the underlying biology of reproductive depression-including interactions between the serotonergic system and estrogen, as well as specific effects on neurosteroids-are explored. This review will provide evidence supporting reproductive depression as a distinct clinical entity with specific treatment approaches and a unique biology that is separate from nonreproductive depression.
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Cunningham J, Yonkers KA, O'Brien S, Eriksson E. Update on research and treatment of premenstrual dysphoric disorder. Harv Rev Psychiatry 2009; 17:120-37. [PMID: 19373620 PMCID: PMC3098121 DOI: 10.1080/10673220902891836] [Citation(s) in RCA: 98] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Many women in their reproductive years experience some mood, behavioral. or physical symptoms in the week prior to menses. Variability exists in the level of symptom burden in that some women experience mild symptoms, whereas a small minority experience severe and debilitating symptoms. For an estimated 5%-8% of premenopausal women, work or social functioning are affected by severe premenstrual syndrome. Many women in this group meet diagnostic criteria for premenstrual dysphoric disorder (PMDD). Among women who suffer from PMDD, mood and behavioral symptoms such as irritability, depressed mood, tension, and labile mood dominate. Somatic complaints, including breast tenderness and bloating, also can prove disruptive to women's overall functioning and quality of life. Recent evidence suggests that individual sensitivity to cyclical variations in levels of gonadal hormones may predispose certain women to experience these mood, behavioral, and somatic symptoms. Treatments include: antidepressants of the serotonin reuptake inhibitor class, taken intermittently or throughout the menstrual cycle; medications that suppress ovarian cyclicity; and newer oral contraceptives with novel progestins.
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Affiliation(s)
- Joanne Cunningham
- Department of Psychiatry, Yale University, New Haven, CT 06510, USA.
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Abstract
Most women of reproductive age have some physical discomfort or dysphoria in the weeks before menstruation. Symptoms are often mild, but can be severe enough to substantially affect daily activities. About 5-8% of women thus suffer from severe premenstrual syndrome (PMS); most of these women also meet criteria for premenstrual dysphoric disorder (PMDD). Mood and behavioural symptoms, including irritability, tension, depressed mood, tearfulness, and mood swings, are the most distressing, but somatic complaints, such as breast tenderness and bloating, can also be problematic. We outline theories for the underlying causes of severe PMS, and describe two main methods of treating it: one targeting the hypothalamus-pituitary-ovary axis, and the other targeting brain serotonergic synapses. Fluctuations in gonadal hormone levels trigger the symptoms, and thus interventions that abolish ovarian cyclicity, including long-acting analogues of gonadotropin-releasing hormone (GnRH) or oestradiol (administered as patches or implants), effectively reduce the symptoms, as can some oral contraceptives. The effectiveness of serotonin reuptake inhibitors, taken throughout the cycle or during luteal phases only, is also well established.
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Thys-Jacobs S, McMahon D, Bilezikian JP. Differences in free estradiol and sex hormone-binding globulin in women with and without premenstrual dysphoric disorder. J Clin Endocrinol Metab 2008; 93:96-102. [PMID: 17956950 PMCID: PMC2190737 DOI: 10.1210/jc.2007-1726] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
CONTEXT Over the years, different hypotheses involving the ovarian steroid hormones have been proposed to explain the luteal phase occurrence of severe premenstrual syndrome symptoms. Although it had been strongly suspected that differences in the concentrations of the ovarian steroids may underlie the mood and psychological imbalance of this disorder, the evidence for this hypothesis has been inconsistent and remains controversial. OBJECTIVE Our objective was to measure the ovarian steroid hormones across the menstrual cycle in women with and without luteal phase symptoms consistent with premenstrual dysphoric disorder (PMDD). DESIGN We measured estradiol (E2), progesterone, and SHBG in women with and without PMDD using a cross-sectional and prospective experimental design. Participating women underwent 2-month self-assessment symptom screening and 1-month hormonal evaluation. RESULTS Overall means for LH, progesterone, E2, peak E2, and free E2 were not different between groups. Across the menstrual cycle, overall percent free E2 was significantly lower and SHBG significantly greater in the PMDD group compared with controls (1.39 +/- 0.26 vs. 1.50 +/- 0.28, P = 0.03; 61.4 +/- 25.1 vs. 52.4 +/- 21.3 nmol/liter, P = 0.046, respectively). During the luteal phase, free E2 was significantly lower in the PMDD group compared with controls (PMDD 7.6 +/- 7.0 vs. controls 8.9 +/- 8.4 pmol/liter; P = 0.032). For both follicular and luteal phases, SHBG was significantly higher in the PMDD group (follicular phase 60.5 +/- 31.7 vs. 51.4 +/- 38.2 nmol/liter, P = 0.047; luteal phase 65.1 +/- 32.3 vs. 55.1 +/- 38.9 nmol/liter, P =0.03). In both groups, SHBG significantly increased from the follicular to luteal phase. CONCLUSION Luteal phase concentrations of free E2, percent free E2, and SHBG differ significantly between women with and without PMDD.
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Indusekhar R, Usman SB, O'Brien S. Psychological aspects of premenstrual syndrome. Best Pract Res Clin Obstet Gynaecol 2007; 21:207-20. [PMID: 17175199 DOI: 10.1016/j.bpobgyn.2006.10.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Premenstrual syndrome (PMS) is a group of psychological and physical symptoms which regularly occur during the luteal phase of the menstrual cycle and resolve by the end of menstruation. The severe and predominantly psychological form of PMS is called premenstrual dysphoric disorder (PMDD). The exact aetiology of PMS is not known. PMS results from ovulation and appears to be caused by the progesterone produced following ovulation in women who have enhanced sensitivity to this progesterone. The increased sensitivity may be due to neurotransmitter (mainly serotonin) dysfunction. The key diagnostic feature is that the symptoms must be absent in the time between the end of menstruation and ovulation. Prospective symptom rating charts are used for this purpose. Treatment is achieved by suppression of ovulation or reducing progesterone sensitivity with selective serotonin re-uptake inhibitors. In this chapter, the authors describe the aetiology, symptoms, diagnosis and evidence-based management of premenstrual syndrome.
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Affiliation(s)
- Radha Indusekhar
- Academic Unit, University Hospital of North Staffordshire, Stoke-on-Trent ST4 6QG, UK.
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Halbreich U, O'Brien PMS, Eriksson E, Bäckström T, Yonkers KA, Freeman EW. Are there differential symptom profiles that improve in response to different pharmacological treatments of premenstrual syndrome/premenstrual dysphoric disorder? CNS Drugs 2006; 20:523-47. [PMID: 16800714 DOI: 10.2165/00023210-200620070-00001] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Current evidence suggests that the accepted treatments for premenstrual syndrome (PMS)/premenstrual dysphoric disorder (PMDD) have similar overall efficacy. While these treatments are more effective than placebo, response rates associated with them are far from satisfactory (<60%), such that, irrespective of treatment modality, there remain a significant number of women who are unresponsive to current conventional pharmacological therapy. The available data on response rates of specific types of premenstrual symptoms to, or symptom profiles that are most amenable to, each treatment modality are limited and not well defined because most studies were not designed to assess specific symptom profiles. Those studies that have attempted to evaluate which symptom profiles respond to specific therapies have revealed variations within the individual modalities, as well as between the different modalities. It appears that suppression of ovulation ameliorates a broad range of behavioural as well as physical premenstrual symptoms. SSRIs are most effective for irritability and anxiety symptoms, with lesser efficacy for 'atypical' premenstrual symptoms. GABAergic compounds are most efficacious for anxiety and anxious/depressive symptoms, while dopamine agonists, particularly bromocriptine, are perhaps most efficacious for mastalgia. Overall treatment response rates may improve if treatments are targeted at well-defined subgroups of patients. Re-analysis of available datasets from randomised clinical trials may shed more light on the notion that targeting women with specific premenstrual symptom profiles for specific treatment modalities would improve response rates beyond the current ceiling of approximately 60%. Such information would also improve understanding of the putative pathophysiological mechanisms underlying PMS and PMDD, and may point to a more specific diagnosis of these conditions.
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Affiliation(s)
- Uriel Halbreich
- Biobehavior Program, Department of Psychiatry, State University of New York at Buffalo, New York 14214, USA.
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N-Wihlbäck AC, Sundström-Poromaa I, Bäckström T. Action by and sensitivity to neuroactive steroids in menstrual cycle related CNS disorders. Psychopharmacology (Berl) 2006; 186:388-401. [PMID: 16362406 DOI: 10.1007/s00213-005-0185-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2005] [Accepted: 08/27/2005] [Indexed: 12/11/2022]
Abstract
Neuroactive steroids are a large group of substances having effect in the brain and on brain function. The steroids most studied are allopregnanolone (ALLO), tetrahydrodesoxycorticosterone (THDOC), pregnenolone sulfate (PS) dihydroepiandrosteronesulfate (DHEAS), and estradiol (E2). ALLO and THDOC are called gamma-aminobutyric acid (GABA) steroids as they are positive modulators of the GABAA receptor in a similar way as benzodiazepines, barbiturates, and alcohol. GABA steroids not only have similar behavioral effects as benzodiazepines and barbiturates but, possibly, also similar adverse effects as well. This review aims to elucidate the possible role that neuroactive steroids play in the development of mood disorders in women. One of the most clear-cut examples of the interaction between mood, neuroactive steroids, and the GABA system is premenstrual dysphoric disorder (PMDD), which is a cluster of negative mood symptoms occurring during the luteal phase of the menstrual cycle in 2-6% of reproductive women. Furthermore, certain women also experience adverse mood effects during sequential progestin addition to postmenopausal estrogen treatment, which is why the role of neuroactive steroids in postmenopausal women is also addressed in this review.
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Affiliation(s)
- Anna-Carin N-Wihlbäck
- Umeå Neurosteroid Research Center, Department of Clinical Sciences, University of Umeå, Norrlands University Hospital, Sweden
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Bäckström T, Andersson A, Andreé L, Birzniece V, Bixo M, Björn I, Haage D, Isaksson M, Johansson IM, Lindblad C, Lundgren P, Nyberg S, Odmark IS, Strömberg J, Sundström-Poromaa I, Turkmen S, Wahlström G, Wang M, Wihlbäck AC, Zhu D, Zingmark E. Pathogenesis in menstrual cycle-linked CNS disorders. Ann N Y Acad Sci 2004; 1007:42-53. [PMID: 14993039 DOI: 10.1196/annals.1286.005] [Citation(s) in RCA: 110] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
That 3alpha-hydroxy-5alpha/beta-pregnane steroids (GABA steroids) have modulatory effects on the GABA-A receptor is well known. In behavioral studies in animals high exogenous dosages give concentrations not usually reached in the brain under physiological conditions. Animal and human studies show that GABA-A receptor-positive modulators like barbiturates, benzodiazepines, alcohol, and allopregnanolone have a bimodal effect. In pharmacological concentrations they are CNS depressants, anesthetic, antiepileptic, and anxiolytic. In low dosages and concentrations, reached endogenously, they can induce adverse emotional reactions in up to 20% of individuals. GABA steroids can also induce tolerance to themselves and similar substances, and rebound occurs at withdrawal. Menstrual cycle-linked disorders can be understood by the concept that they are caused by the action of endogenously produced GABA-steroids through three mechanisms: (a) direct action, (b) tolerance induction, and (c) withdrawal effect. Examples of symptoms and disorders caused by the direct action of GABA steroids are sedation, memory and learning disturbance, clumsiness, increased appetite, worsening of petit mal epilepsy, negative mood as tension, irritability and depression during hormone treatments, and the premenstrual dysphoric disorder (PMDD). A continuous exposure to GABA steroids causes tolerance, and women with PMDD are less sensitive to GABA-A modulators. A malfunctioning GABA-A receptor system is related to stress sensitivity, concentration difficulties, loss of impulse control, irritability, anxiety, and depression. An example of withdrawal effect is "catamenial epilepsy," when seizures increase during menstruation after the withdrawal of GABA steroids. Similar phenomena occur at stress since the adrenals produce GABA steroids during stress.
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Affiliation(s)
- Torbjörn Bäckström
- Umeå Neurosteroid Research Center, Department of Clinical Sciences, Obstetrics and Gynecology, Norrlands University Hospital, SE-901 85 Umeå, Sweden.
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17
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Abstract
Menstrually related symptoms and disorders are multidimensional and affect diverse physiologic systems. Elucidation of the pathophysiologic mechanisms of these disorders should allow for a more precise diagnosis, and provide direction for targeted therapeutic interventions. Several biologic mechanisms that underlie menstrually related symptoms have been proposed. They focus mostly on gonadal hormones, their metabolites and interactions with neurotransmitters and neurohormonal systems, such as serotonin, GABA, cholecystokinin, and the renin-angiotensin-aldosterone system. Altered responses of these systems to gonadal hormone's fluctuations during the menstrual cycle, as well as an increased sensitivity to changes in gonadal hormones may contribute to menstrually related symptoms in vulnerable women. Disrupted homeostasis and deficient adaptation may be core underlying mechanisms. Future directions for clinically-relevant progress include identification of specific subgroups of menstrually-related syndromes, assessment of the genetic vulnerability and changes in vulnerability along the life cycle, the diversified mechanisms by which vulnerability is translated into pathophysiology and symptoms, the normalization process as well as syndromes-based and etiology-based clinical trials.
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Affiliation(s)
- Uriel Halbreich
- Biobehavioral Program, School of Medicine and Biomedical Sciences, Buffalo, NY 14214-3016, USA.
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Bäckström T, Andreen L, Birzniece V, Björn I, Johansson IM, Nordenstam-Haghjo M, Nyberg S, Sundström-Poromaa I, Wahlström G, Wang M, Zhu D. The role of hormones and hormonal treatments in premenstrual syndrome. CNS Drugs 2003; 17:325-42. [PMID: 12665391 DOI: 10.2165/00023210-200317050-00003] [Citation(s) in RCA: 103] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Premenstrual syndrome (PMS) is a menstrual cycle-linked condition with both mental and physical symptoms. Most women of fertile age experience cyclical changes but consider them normal and not requiring treatment. Up to 30% of women feel a need for treatment. The aetiology is still unclear, but sex steroids produced by the corpus luteum of the ovary are thought to be symptom provoking, as the cyclicity disappears in anovulatory cycles when a corpus luteum is not formed. Progestogens and progesterone together with estrogen are able to induce similar symptoms as seen in PMS. Symptom severity is sensitive to the dosage of estrogen. The response systems within the brain known to be involved in PMS symptoms are the serotonin and GABA systems. Progesterone metabolites, especially allopregnanolone, are neuroactive, acting via the GABA system in the brain. Allopregnanolone has similar effects as benzodiazepines, barbiturates and alcohol; all these substances are known to induce adverse mood effects at low dosages in humans and animals. SSRIs and substances inhibiting ovulation, such as gonadotrophin-releasing hormone (GnRH) agonists, have proven to be effective treatments. To avoid adverse effects when high dosages of GnRH agonists are used, add-back hormone replacement therapy is recommended. Spironolactone also has a beneficial effect, although not as much as SSRIs and GnRH agonists.
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Affiliation(s)
- Torbjörn Bäckström
- Department of Clinical Sciences, Obstetrics and Gynecology, Umeå University, Umeå, Sweden.
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Wang M, Bäckström T, Sundström I, Wahlström G, Olsson T, Zhu D, Johansson IM, Björn I, Bixo M. Neuroactive steroids and central nervous system disorders. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2002; 46:421-59. [PMID: 11599309 DOI: 10.1016/s0074-7742(01)46071-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
Steroid hormones are vital for the cell life and affect a number of neuroendocrine and behavioral functions. In contrast to their endocrine actions, certain steroids have been shown to rapidly alter brain excitability and to produce behavioral effects within seconds to minutes. In this article we direct attention to this issue of neuroactive steroids by outlining several aspects of current interest in the field of steroid research. Recent advances in the neurobiology of neuroactive are described along with the impact of advances on drug design for central nervous system (CNS) disorders provoked by neuroactive steriods. The theme was selected in association with the clinical aspects and therapeutical potentials of the neuroactive steroids in CNS disorders. A wide range of topics relating to the neuroactive steroids are outlined, including steroid concentrations in the brain, premenstrual syndrome, estrogen and Alzheimer's disease, side effects of oral contraceptives, mental disorder in menopause, hormone replacement therapy, Catamenial epilepsy, and neuractive steroids in epilepsy treatment.
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Affiliation(s)
- M Wang
- Department of Obstetrics and Gynecology, Department of Medicine, Department of Pharmacology, University of Umeå, S-901 87 Umeå, Sweden
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Abstract
Worldwide, the prevalence of depression in women is significantly greater than in men. Available data suggest that estrogen, or its absence, is strongly implicated in the regulation of mood and behaviour, as well as in the pathobiology of mood disorders. The multiple effects of estrogens and their complex interactions with the CNS and endocrine system have been well documented, although the specific, multifaceted role of estrogen in each dysphoric state has yet to be elucidated. Several facts suggest that estrogen plays a vital role in the precipitation and course of mood disorders in women. Gender differences in the prevalence of depression first appear after menarche, continue through reproductive age, and dissipate after perimenopause. Periods of hormonal fluctuations or estrogen instability (i.e. premenstrually, postpartum, perimenopausally) have been associated with increased vulnerability to depression among susceptible women. It is plausible that the phenotype of these depressions is distinguishable from those that are not associated with reproductive events or that occur in men. Based on current knowledge, estrogen treatment for affective disorders may be efficacious in two situations: (i) to stabilise and restore disrupted homeostasis - as occurs in premenstrual, postpartum or perimenopausal conditions; and (ii) to act as a psychomodulator during periods of decreased estrogen levels and increased vulnerability to dysphoric mood, as occurs in postmenopausal women. There is growing evidence suggesting that estrogen may be efficacious as a sole antidepressant for depressed perimenopausal women. It is still unclear whether estrogen is efficacious as an adjunct to selective serotonin reuptake inhibitors or as one of the paradigms to manage treatment-resistance depression in menopausal women, but such efficacy is plausible.
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Affiliation(s)
- U Halbreich
- BioBehavioral Program, School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, New York, USA.
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21
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Abstract
UNLABELLED Increased interest in the complex interplay between gonadal steroids and neurotransmitter systems involved in mood has led investigators to question the role of gonadal steroids in the treatment of affective disorders, especially in women. OBJECTIVES The purpose of this article is to provide a rationale for using gonadal hormones in the treatment of depression in women. METHODS The literature is reviewed regarding 1) sex-specific phenomenologic and epidemiologic differences in the manifestation of psychiatric illness, 2) sex-specific differences in the therapeutic and adverse effects of psychotropic medications, 3) the complex interplay between gonadal steroids and neurotransmitter systems implicated in psychiatric disorders, and 4) the growing literature regarding the use of estrogen and progesterone in the treatment of mood disorders in women and androgens in the treatment of depression and sexual dysfunction in both men and women. RESULTS Findings from pharmacologic trials of estrogen and androgens are encouraging, albeit mixed, in the treatment of mood disorders and decreased libido in women, respectively. Controlled studies have failed to confirm early open-label reports of the effectiveness of progesterone in the treatment of premenstrual syndrome. CONCLUSIONS Pending replication, estrogen may become an important pharmacologic agent in the treatment of postnatal and perimenopausal depression, whereas androgens have been shown to improve libido in postmenopausal women and hypogonadal men. Progesterone cannot be recommended as a treatment for premenstrual syndrome or postnatal depression.
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Affiliation(s)
- C N Epperson
- Yale Behavioral Gynecology Program, Yale University School of Medicine, Department of Psychiatry, Connecticut Mental Health Center, New Haven 06511, USA
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Sundström I, Bäckström T, Wang M, Olsson T, Seippel L, Bixo M. Premenstrual syndrome, neuroactive steroids and the brain. Gynecol Endocrinol 1999; 13:206-20. [PMID: 10451814 DOI: 10.3109/09513599909167557] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- I Sundström
- Department of Obstetrics and Gynecology and Medicine, University of Umeå, Sweden
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Abstract
STUDY OBJECTIVES To characterize and compare premenstrual symptoms (mood, physical) throughout two menstrual cycles with and without estradiol administration, in women with premenstrual asthma (PMA), and to examine relationships between asthma symptoms versus premenstrual symptoms and pulmonary function versus premenstrual symptoms in these women. DESIGN Open-label, longitudinal, 9-week study (consisting of two complete menstrual cycles). SETTING Clinical study at the University of Kentucky; data analysis at the University of British Columbia and Children's and Women's Health Centre of British Columbia. PATIENTS Fourteen women (age 35.6 +/- 6.6 yrs) with mild to moderate asthma with a baseline ratio of forced expiratory volume in 1 second:forced vital capacity of 0.72 +/- 0.12. INTERVENTIONS Women were followed for two complete menstrual cycles. During the second complete cycle (i.e., cycle 3), they received estradiol 2 mg orally between days 23 and 28 (premenstrual). MEASUREMENTS AND MAIN RESULTS Throughout both cycles 2 and 3, each subject recorded premenstrual symptom questionnaire scores (15 mood and physical symptoms, graded 0-3) every morning on awakening. Peak expiratory flow rate (PEFR) and visual analog scales of asthma symptoms (cough, wheezing, breathlessness, chest tightness) were recorded daily at the same time. Seven subjects showed a classic pattern of premenstrual symptoms. Four of the five subjects who complained of PMA symptoms at study enrollment also demonstrated this classic pattern of premenstrual symptoms. After estradiol administration, four women had lower symptom scores, eight had higher scores, and two had the same scores. Overall, estradiol had no significant effect on symptoms (mean area under the curve 18.9 +/- 14.8 day(-1) vs 20.3 +/- 14.8 day(-1), p>0.05). Ten subjects had significant relationships between asthma symptoms and premenstrual symptoms, whereas six had significant relationships between PEFR and premenstrual symptoms. CONCLUSIONS Exogenous estradiol administration had no significant effect on premenstrual symptoms in women with PMA. The lack of a significant effect allows for patient blinding in a placebo-controlled, crossover study of exogenous estradiol in PMA that is currently under way Clinical implications of relationships between asthma symptoms versus premenstrual symptoms and pulmonary function versus premenstrual symptoms may warrant further study.
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Affiliation(s)
- M H Ensom
- Faculty of Pharmaceutical Sciences, University of British Columbia, and the Department of Pharmacy, Children's and Women's Health Centre of British Columbia, Vancouver, Canada
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25
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Abstract
Premenstrual syndrome research has made a great deal of progress since 1983 when the criteria for the diagnosis were clearly defined. Confirming the diagnosis prospectively and ruling out other disorders was a major methodologic advance. The DSM-IV criteria for PMDD now help us identify and classify women who have severe psychologic symptoms during the premenstruum. Although we do not have a definitive cause for PMDD, the consensus is that it is the end result of a complex series of events mediated partly by the serotonin system and triggered by ovulation. Women who meet criteria for PMS, do not meet the criteria for PMDD, and do not have a concurrent disorder should be treated conservatively. Women who meet criteria for PMDD can be treated successfully with low-dose clomipramine, SSRIs, or GnRH-as with "add back" estrogen and progestins.
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Affiliation(s)
- M I Korzekwa
- Department of Psychiatry, St. Joseph's Hospital, Hamilton, Ontario, Canada
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26
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Abstract
Premenstrual syndrome (PMS) is a common problem and patients with PMS are encountered by obstetricians, gynecologists, family practitioners, internists (general physicians) and psychiatrists. Despite several decades of biological research, the etiology of the disorder is still elusive. The introduction of a psychiatric category called premenstrual dysphoric disorder (PMDD), describing women with severe emotional premenstrual symptoms, has advanced biological treatment research by identifying a more homogeneous patient population. This paper aims to review our current understanding of the clinical presentation, underlying psycho-biology, and essentials of treatment for premenstrual dysphoric disorder.
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Affiliation(s)
- L Davis
- Department of Psychiatry, The University of Texas Southwestern Medical Center, Dallas, TX
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Budeiri DJ, Li Wan Po A, Dornan JC. Clinical trials of treatments of premenstrual syndrome: entry criteria and scales for measuring treatment outcomes. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY 1994; 101:689-95. [PMID: 7947504 DOI: 10.1111/j.1471-0528.1994.tb13186.x] [Citation(s) in RCA: 57] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
OBJECTIVE To demonstrate similarities and differences between the various instruments used by clinical trialists for measurement of premenstrual syndrome to encourage development of consensus of measurement to aid future research. DESIGN Computer and manual searches of all trials of drugs used for premenstrual syndrome supplemented by retrieval of all questionnaires and scales cited. Letters were sent to the main manufacturers to identify trials not in the public domain. MAIN OUTCOME MEASURES Number of scales in current use for classifying premenstrual syndrome; the symptoms included within them; their organisation of symptoms into clusters; the numerical values used in the scaling; the most frequently used items; and the extent of overlap in the criteria used. RESULTS Three hundred and fifty clinical trials of 115 different drugs were identified. The most common symptoms or signs used in the scales were (frequency in square brackets) irritability [44], headache or migraine [40], depression [37], tearfulness [34], tension [31], anxiety [31], breast tenderness [31], mood swings or lability [30], back pain [30], weight gain [29], abdominal bloating [28], lack of concentration [28], food craving [28], and increased appetite [26]. Sixty-five different questionnaires or scales were used to classify premenstrual syndrome and for assessing entry eligibility and treatment outcomes; of these 65, 47 included sufficient details for a formal analysis and 18 scales grouped the symptoms or items into clusters or subgroups. CONCLUSION There is wide diversity in the scales used for assessing entry eligibility and treatment outcomes in premenstrual syndrome. This makes comparative evaluation of possible treatments extremely complex and difficult. It is recommended that authorities and organisations involved in conducting trials of treatments for premenstrual syndrome develop a consensus statement about the best instrument to be used. Regulatory authorities could perhaps provide guidance to which scales they would accept when clinical trials of drugs for premenstrual syndrome are submitted to them for assessment. This would ensure that industry-sponsored trials provide objective data. Consensus is required given the poor performance of most current treatments of premenstrual syndrome.
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Affiliation(s)
- D J Budeiri
- Pharmacoepidemiology Section, School of Pharmacy, Queen's University of Belfast
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29
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Abstract
The premenstrual syndrome has been described briefly and the literature relating to its pathophysiology and treatment have been reviewed. The great number of theories as to etiology and many different kinds of treatments attest to our ignorance of the exact nature of this problem. Although it is obvious that the hypothalamo-pituitary-ovarian axis must be involved, the exact mechanism whereby the symptoms come about remains elusive. Progestin in the presence of estrogen appears to be essential. Excess estrogen may aggravate the condition. The popular theory of progesterone deficiency has not been supported by double blind trials of progesterone in various forms versus placebo. Because of the important placebo effect in this condition, double blind trials are essential in the assessment of any form of treatment.
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Affiliation(s)
- V Dhar
- Reproductive Physiology Unit, Montreal General Hospital, Canada
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