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1.
Lasers Med Sci ; 37(4): 2239-2248, 2022 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-35028764

RESUMO

We aimed to compare low-level light therapy with oral contraceptive pills for pain relief and serum levels of nitric oxide and prostaglandin E2 in patients with primary dysmenorrhoea. This was a randomised, active comparator-controlled, multicentre study. In total, 156 patients were randomised to receive either low-level light therapy with light-emitting diodes (LED) applying on two acupoints, namely, conception vessel 4 (CV4) and CV6 or conventional treatment with oral Marvelon, 30 µg of ethinyl estradiol and 150 µg of desogestrel (DSG/EE), for three consecutive menstrual cycles. The main outcome was the proportion of patients who achieved 33% or more decrease in pain scores measured using the visual analogue scale, which was deemed as efficient rate. Absolute changes in visual analogue scale scores, serum levels of nitric oxide (assessed by nitrites and nitrates reflecting nitric oxide metabolism) and prostaglandin E2 (measured by enzyme-linked immunosorbent assay) were the secondary outcomes. A total of 135 patients completed the study (73 in the light therapy group and 62 in the DSG/EE group). The efficient rate at the end of treatment was comparable between the groups (73.6% vs. 85.7%, χ2 = 2.994, p = 0.084). A more significant reduction in pain scores was observed in the DSG/EE group (39.25% vs. 59.52%, p < 0.001). Serum levels of prostaglandin E2 significantly decreased from baseline but did not differ between groups (- 109.57 ± 3.99 pg/mL vs. - 118.11 ± 12.93 pg/mL, p = 0.51). Nitric oxide concentration remained stable in both groups. Low-level light therapy with LED-based device applied on acupuncture points CV4 and CV6 demonstrated a similar level of dysmenorrhoea pain reduction to DSG/EE combined contraceptive. Both treatment modalities achieved clinically meaningful levels of pain reduction. Registration on ClinicalTrials.gov: TRN: NCT03953716, Date: April 04, 2019.


Assuntos
Anticoncepcionais Orais Combinados , Terapia com Luz de Baixa Intensidade , Anticoncepcionais Orais Combinados/efeitos adversos , Desogestrel/efeitos adversos , Desogestrel/uso terapêutico , Dismenorreia/tratamento farmacológico , Dismenorreia/radioterapia , Etinilestradiol/efeitos adversos , Etinilestradiol/uso terapêutico , Feminino , Humanos , Óxido Nítrico , Norpregnenos/efeitos adversos , Estudos Prospectivos , Prostaglandinas , Resultado do Tratamento
2.
Pharmacol Res Perspect ; 9(2): e00759, 2021 04.
Artigo em Inglês | MEDLINE | ID: mdl-33811484

RESUMO

Endometriosis is a chronic disease, characterized by the growth of endometrial-like cells outside the uterine cavity. Due to its complex pathophysiology, a totally resolving cure is yet to be found. The aim of this study was to compare the therapeutic efficacy of AZD4547, a novel fibroblast growth factor receptor inhibitor (FGFRI), with a well-characterized progestin, etonogestrel (ENG) using a validated in vivo mouse model of endometriosis. Endometriosis was induced by transplanting uterine fragments from donor mice in proestrus into the peritoneal cavity of recipient mice, which then developed into cyst-like lesions. AZD4547 and ENG were administered systemically either from the day of endometriosis induction or 2-weeks post-surgery. After 20 days of treatment, the lesions were harvested; their size and weight were measured and analyzed histologically or by qRT-PCR. Stage of estrous cycle was monitored throughout. Compared to vehicle, AZD4547 (25 mg/kg) was most effective in counteracting lesion growth when treating from day of surgery and 2 weeks after; ENG (0.8 mg/kg) was similarly effective in reducing lesion growth but only when administered from day of surgery. Each downregulated FGFR gene expression (p < 0.05). AZD4547 at all doses and ENG (0.008 mg/kg) caused no disturbance to the estrous cycle. ENG at 0.08 and 0.8 mg/kg was associated with partial or complete estrous cycle disruption and hyperemia of the uteri. AZD4547 and ENG both attenuated endometriotic lesion size, but only AZD4547 did not disrupt the estrous cycle, suggesting that targeting of FGFR is worthy of further investigation as a novel treatment for endometriosis.


Assuntos
Benzamidas/administração & dosagem , Endometriose/tratamento farmacológico , Ciclo Estral/efeitos dos fármacos , Piperazinas/administração & dosagem , Pirazóis/administração & dosagem , Receptores de Fatores de Crescimento de Fibroblastos/antagonistas & inibidores , Animais , Benzamidas/efeitos adversos , Desogestrel/administração & dosagem , Desogestrel/efeitos adversos , Modelos Animais de Doenças , Avaliação Pré-Clínica de Medicamentos , Endometriose/patologia , Endométrio/efeitos dos fármacos , Endométrio/patologia , Feminino , Humanos , Camundongos , Piperazinas/efeitos adversos , Pirazóis/efeitos adversos , Receptores de Fatores de Crescimento de Fibroblastos/metabolismo
3.
Contraception ; 87(1): 93-100, 2013 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-23083525

RESUMO

BACKGROUND: Combined hormonal contraceptives (CHCs) place women at increased risk of venous thromboembolic events (VTEs) and arterial thrombotic events (ATEs), including acute myocardial infarction and ischemic stroke. There is concern that three recent CHC preparations [drospirenone-containing pills (DRSPs), the norelgestromin-containing transdermal patch (NGMN) and the etonogestrel vaginal ring (ETON)] may place women at even higher risk of thrombosis than other older low-dose CHCs with a known safety profile. STUDY DESIGN: All VTEs and all hospitalized ATEs were identified in women, ages 10-55 years, from two integrated health care programs and two state Medicaid programs during the time period covering their new use of DRSP, NGMN, ETON or one of four low-dose estrogen comparator CHCs. The relative risk of thrombotic and thromboembolic outcomes associated with the newer CHCs in relation to the comparators was assessed with Cox proportional hazards regression models adjusting for age, site and year of entry into the study. RESULTS: The hazards ratio for DRSP in relation to low-dose estrogen comparators among new users was 1.77 (95% confidence interval 1.33-2.35) for VTE and 2.01 (1.06-3.81) for ATE. The increased risk of DRSP was limited to the 10-34-year age group for VTE and the 35-55-year group for ATE. Use of the NGMN patch and ETON vaginal ring was not associated with increased risk of either thromboembolic or thrombotic outcomes. CONCLUSIONS: In new users, DRSP was associated with higher risk of thrombotic events (VTE and ATE) relative to low-dose estrogen comparator CHCs, while the use of the NGMN patch and ETON vaginal ring was not.


Assuntos
Androstenos/efeitos adversos , Anticoncepcionais Femininos/efeitos adversos , Desogestrel/efeitos adversos , Etinilestradiol/efeitos adversos , Norgestrel/análogos & derivados , Tromboembolia Venosa/epidemiologia , Adolescente , Adulto , Artérias , California/epidemiologia , Criança , Combinação de Medicamentos , Estrogênios/efeitos adversos , Feminino , Hospitalização/estatística & dados numéricos , Humanos , Incidência , Pessoa de Meia-Idade , Infarto do Miocárdio/induzido quimicamente , Infarto do Miocárdio/epidemiologia , Norgestrel/efeitos adversos , Modelos de Riscos Proporcionais , Fatores de Risco , Acidente Vascular Cerebral/induzido quimicamente , Acidente Vascular Cerebral/epidemiologia , Tennessee/epidemiologia , Tromboembolia/induzido quimicamente , Tromboembolia/epidemiologia , Fatores de Tempo , Tromboembolia Venosa/induzido quimicamente , Washington/epidemiologia , Adulto Jovem
4.
Contraception ; 81(3): 209-14, 2010 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-20159176

RESUMO

BACKGROUND: This study was conducted to compare the effects of the combined contraceptive vaginal ring releasing 15 mcg of ethinylestradiol (EE) and 120 mcg of etonorgestrel daily with the effects of the contraceptive patch, a transdermal system that delivers a daily dose of 20 mcg of EE and 150 mcg of norelgestromin on bone turnover and bone mineral density (BMD) in young fertile women. STUDY DESIGN: On the basis of a randomized, computer-generated list, 40 women desiring contraception were assigned to a 12-month treatment with a patch delivering a daily dose of 20 mcg of EE and 150 mcg of norelgestromin (Evra, Janssen-Cilag, Italy) (Group A, n=20) or to a 12-month treatment with a vaginal ring releasing a daily dose of 15 mcg of EE and 120 mcg of etonorgestrel (NuvaRing, Organon, Italy) (Group B, n=20). Twenty patients underwent no treatment and were used as healthy controls (Group C, n=20). At 3, 6, 9 and 12 months, serum and urinary calcium, osteocalcin and urinary pyridinoline (PYD) and deoxypyridinoline (D-PYD) levels were measured. At baseline and after 12 months, lumbar BMD was determined by dual-energy X-ray absorptiometry. RESULTS: In Groups A and B, urinary PYD and D-PYD at 6, 9 and 12 months were significantly reduced in comparison with basal values and Group C values (p<.05). In Groups A and B, serum calcium levels were significantly increased after 6 months. No significant difference was detected between Group A and Group B in urinary levels of PYD and D-PYD, in calcium levels and in osteocalcin levels. At 12 months, no significant difference was detected in spinal BMD values between the three groups and in comparison with basal values. CONCLUSION: Both contraceptive systems exert a similar positive influence on bone turnover in young postadolescent women.


Assuntos
Densidade Óssea/efeitos dos fármacos , Osso e Ossos/efeitos dos fármacos , Osso e Ossos/metabolismo , Anticoncepcionais Femininos/efeitos adversos , Dispositivos Anticoncepcionais Femininos/efeitos adversos , Absorciometria de Fóton , Aminoácidos/urina , Análise de Variância , Desogestrel/efeitos adversos , Combinação de Medicamentos , Estrogênios/efeitos adversos , Etinilestradiol/efeitos adversos , Feminino , Humanos , Norgestrel/efeitos adversos , Norgestrel/análogos & derivados , Oximas/efeitos adversos , Estudos Prospectivos
5.
Neurochirurgie ; 45(5): 413-6, 1999 Dec.
Artigo em Francês | MEDLINE | ID: mdl-10717593

RESUMO

A case of recurrent bleeding from a probable left thalamic cavernoma in a 26 year old woman taking hormonal treatment is reported. Four episodes of bleeding were clinically and radiologically documented, prior to her referral to our institution. Interestingly, each episode occurred three weeks after starting hormonal treatment, dydrogesterone, desogestrel ethinylestradiol, chlormadin, nomegestrel acetate). The patient was not operated because of the deep situation of the cavernoma which was remote from the thalamic surface within the third ventricle. There was no recurrent bleeding after the onset hormonal treatment was discontinued. Although no similar case has been found in the literature, we believe that this case gives further argumentation in favor of a role of hormonal factors influencing the biological behavior of cavernous angiomas which has been previously suggested in pregnant females with bleeding cavernous angiomas.


Assuntos
Neoplasias Encefálicas/complicações , Hemorragia Cerebral/etiologia , Anticoncepcionais Orais Combinados/efeitos adversos , Desogestrel/efeitos adversos , Didrogesterona/efeitos adversos , Etinilestradiol/efeitos adversos , Hemangioma Cavernoso/complicações , Megestrol/análogos & derivados , Distúrbios Menstruais/tratamento farmacológico , Congêneres da Progesterona/efeitos adversos , Tálamo , Acne Vulgar/complicações , Acne Vulgar/tratamento farmacológico , Adulto , Neoplasias Encefálicas/diagnóstico , Artérias Cerebrais/efeitos dos fármacos , Hemorragia Cerebral/induzido quimicamente , Anticoncepcionais Orais Combinados/uso terapêutico , Desogestrel/uso terapêutico , Combinação de Medicamentos , Didrogesterona/uso terapêutico , Etinilestradiol/uso terapêutico , Feminino , Cefaleia/etiologia , Hemangioma Cavernoso/diagnóstico , Hematoma/etiologia , Hemiplegia/etiologia , Humanos , Imageamento por Ressonância Magnética , Megestrol/efeitos adversos , Megestrol/uso terapêutico , Distúrbios Menstruais/complicações , Metrorragia/complicações , Metrorragia/tratamento farmacológico , Parestesia/etiologia , Congêneres da Progesterona/uso terapêutico , Tálamo/irrigação sanguínea
6.
Zentralbl Gynakol ; 119(11): 538-44, 1997.
Artigo em Alemão | MEDLINE | ID: mdl-9480608

RESUMO

In a double-blind randomized study, the suppression of ovarian activity, the effects on the cervix and endometrium, menstrual bleeding patterns and overall tolerance were assessed during administration of two low-dose oral contraceptives (20 micrograms ethinylestradiol EE, 500 micrograms norethisterone--Eve 20, Grünenthal, Aachen; 20 micrograms EE, 150 micrograms Desogestrel--Lovelle, Organon, Munich), 118 healthy women (ages: 18 to 35 years) with comparable bioprofiles (height, weight, menstrual cycle patterns) were studied in 10 investigation centres during medication with either Eve 20 (n = 59) or Lovelle (n = 59). During 3 treatment cycles, ovarian activity was evaluated by sonographic determination of follicular size and by simultaneous assessment of serum endocrine profiles (gonadotropins LH and FSH, ovarian steroids estradiol [E2] and progesterone [P]). Treatment cycles 4 to 6 served to evaluate the patterns of menstrual bleeding and the overall subjective tolerance on each contraceptive. While on the preparations, no ovarian activity (as judged by a lack of follicular growth and suppressed sex steroid levels) was found in over 90% of all investigated cycles. Follicular activity and/or cyst formation were detected in 18 of 173 cycles (Eve 20) and in 5 of 175 cycles (Lovelle) respectively. Gonadotropin levels were suppressed (LH < 6 IU/l, FSH < 8 IU/l) in most treatment cycles (Eve 20: 76.6% vs. Lovelle: 84.8%). Serum E2 concentrations exceeding 0.1 nmol/l indicated residual follicular activity in 19.3% (Eve 20) vs. 12.2% (Lovelle) of all cycles. As estimated by serum P levels over 5 nmol/l, ovulation had presumably occurred in 4.1% (Eve 20) vs. 2.9% (Lovelle) of treatments respectively. However, when the sonographic and endocrinological data were combined, no ovulation was documented in any treatment cycle. In addition, the quality of the cervical mucus was minimal and a low endometrial thickness was found in the majority of women, indicating strong progestogen effects of both contraceptives. Menstrual irregularities (intermenstrual spotting, break-through bleeding) occurred initially on each preparation, but were mostly resolved when the pills were continued. The acceptance of each investigated drug was rated as very good or good by most subjects. These observations allow us to conclude that the rate of ovarian suppression with inhibition of follicular activity is high under low-dose oral contraceptives. The different progestogens as components of these contraceptive pills display equally good anti-conceptive effects on both the cervix and the endometrium. Furthermore, the rate of irregular menstrual bleeding is acceptable for these low-dose contraceptives. The high acceptance of each preparation suggests that such agents will have a high rate of acceptability in clinical use.


Assuntos
Anticoncepcionais Orais Sintéticos/administração & dosagem , Desogestrel/administração & dosagem , Ciclo Menstrual/efeitos dos fármacos , Ovário/efeitos dos fármacos , Adulto , Anticoncepcionais Orais Sintéticos/efeitos adversos , Desogestrel/efeitos adversos , Relação Dose-Resposta a Droga , Método Duplo-Cego , Etinilestradiol/administração & dosagem , Etinilestradiol/efeitos adversos , Feminino , Hormônios Esteroides Gonadais/sangue , Humanos , Noretindrona/administração & dosagem , Noretindrona/efeitos adversos , Testes de Função Ovariana
7.
Contraception ; 53(3): 171-6, 1996 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-8689882

RESUMO

The aim of the present study was to compare changes in the endogenous androgen environment in healthy women while on low-dose oral contraceptives (OCs). One-hundred healthy women were randomized to receive one of four OCs during six months: 21 tablets of Cilest, Femodeen, Marvelon, or Mercilon. During the luteal phase of the pretreatment cycle, body weight and blood pressure were recorded and the following parameters were measured: sex hormone-binding globulin (SHBG), corticosteroid-binding globulin (CBG), testosterone (T), free testosterone (FT), 5 alpha-dihydrotestosterone (DHT), androstenedione (A), dehydroepiandrosterone-sulphate (DHEA-S) and 17 alpha-hydroxyprogesterone (170HP) while also the free androgen index (FAI) was calculated. Measurements were repeated during the 3rd week of pill intake in the 4th and the 6th pill month. There were no differences on body mass and blood pressure with the use of the four OCs. The mean serum DHEA-S decreased significantly in all groups though less in the Mercilon group when compared to Cilest and Marvelon (approximately 20% vs 45%). Mean serum SHBG and CBG increased significantly in all four groups approximately 250% and 100%, respectively. In each group CBG also increased significantly but less in women taking Mercilon (-75%) as compared to the others (-100%). Current low-dose OCs were found to have similar impact on the endogenous androgen metabolism with significant decreases of serum testosterone, DHT, A, and DHEA-S. They may be equally beneficial in women with androgen related syndromes such as acne and hirsutism.


PIP: Health researchers randomly assigned 100 healthy women aged 18-38 from the Netherlands and Saudi Arabia to one of four various oral contraceptive (OC) groups to undergo six cycles of OC therapy so they could evaluate changes in plasma concentrations of sex hormone binding globulin (SHBG), corticosteroid-binding globulin (CBG), albumin (Alb), testosterone (T), free testosterone (FT), dihydrotestosterone (DHT), androstenedione (A), dehydro-epiandrosterone-sulphate (DHEA-S), and 17 alpha-hydroxyprogesterone (17OHP). The four monophasic OCs were Cilest (35 mcg ethinyl estradiol [E2] and 250 mcg norgestimate), Femodeen (30 mcg E2 and 75 mcg gestodene), Marvelon (30 mcg E2 and 150 mcg desogestrel), and Mercilon (20 mcg E2 and 150 mcg desogestrel). There were 12 dropouts. Neither body weight nor blood pressure changed significantly during the study. All steroidal serum parameters (T, FT, DHT, A, DHEA-S, 17OHP, Alb) fell significantly during the six cycles of OC treatment (ratio of decrease, 1.3-3), regardless of OC type. These changes had appeared after cycle 4. The only significant difference between the OC groups was that the mean decrease of DHEA-S for Mercilon was lower than that for the other OC groups (21% vs. 43% for Cilest, 44% for Marvelon, and 34% for Femodeen; p 0.05). SHBG and CBG rose greatly during OC use in all four OC groups (mean increase = 263% and 94%, respectively; p 0.05). The increase in CBG was significantly less in the Mercilon group than in the other OC groups (74% vs. 96% for Cilest, 101% for Femodeen, and 102% for Marvelon; p 0.05). These findings show that OC use changed the endogenous androgen environment in the direction of hypoandrogenism. Thus, all four OCs can equally treat androgen-related syndromes (e.g., acne and hirsutism).


Assuntos
Androgênios/sangue , Anticoncepcionais Orais Combinados/administração & dosagem , Anticoncepcionais Orais Combinados/efeitos adversos , Combinação Etinil Estradiol e Norgestrel/análogos & derivados , 17-alfa-Hidroxiprogesterona , Adolescente , Adulto , Androstenodiona/sangue , Desidroepiandrosterona/análogos & derivados , Desidroepiandrosterona/sangue , Sulfato de Desidroepiandrosterona , Desogestrel/administração & dosagem , Desogestrel/efeitos adversos , Di-Hidrotestosterona/sangue , Combinação de Medicamentos , Etinilestradiol/administração & dosagem , Etinilestradiol/efeitos adversos , Feminino , Humanos , Hidroxiprogesteronas/sangue , Fase Luteal , Norgestrel/administração & dosagem , Norgestrel/efeitos adversos , Norgestrel/análogos & derivados , Norpregnenos/administração & dosagem , Norpregnenos/efeitos adversos , Pancurônio/administração & dosagem , Pancurônio/efeitos adversos , Pancurônio/análogos & derivados , Progestinas/administração & dosagem , Progestinas/efeitos adversos , Globulina de Ligação a Hormônio Sexual/metabolismo , Testosterona/sangue , Transcortina/metabolismo
8.
Fertil Steril ; 62(6): 1129-35, 1994 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-7957975

RESUMO

OBJECTIVE: To evaluate the clinical and hormonal response of the antiandrogen flutamide (Eulexin, Schering Plough, Milan, SA, Italy) associated with a low dosage oral contraceptive (OC) in a group of hirsute women who were unresponsive to OC treatment. DESIGN: Twenty-two polycystic ovarian disease (PCOD) patients with hirsutism were treated with flutamide (250 mg twice/d) in association with ethinyl-E2 (0.030 mg/d) plus desogestrel (0.150 mg/d) (Practil 21; Organon, Rome, Italy) for 21 d/mo. SETTING: Patients were recruited in the Institute of Obstetrical and Gynaecological Pathology, St. Bambino Hospital, University of Catania, Italy. Hormonal assays were performed in the Hormone Laboratories of St. Bambino Hospital, University of Catania, Catania, Italy. MAIN OUTCOME MEASURE: Every 2 months the hirsutism score was evaluated using the Ferriman-Gallwey hair density index. Mean plasma concentrations of LH, FSH, E2, total T, dihydrotestosterone (DHT), androstenedione (A), sex hormone-binding globulin, DHEAS were determined. RESULTS: After 8 months treatment with flutamide and low dosage OC, the Ferriman-Gallwey score improved in all patients, mean values decreasing from 25.4 +/- 3.96 to 14.6 +/- 1.92. Plasma levels of total T and E2 were unchanged, whereas LH, FSH, A, and DHT values decreased significantly. Sex hormone-binding globulin levels showed a marked increase. CONCLUSION: Flutamide, associated with low dosage OC, favorably influence the hirsutism in PCOD women who are unresponsive to OC treatment alone.


Assuntos
Anticoncepcionais Orais/administração & dosagem , Flutamida/uso terapêutico , Hirsutismo/complicações , Hirsutismo/tratamento farmacológico , Síndrome do Ovário Policístico/complicações , Adolescente , Adulto , Anticoncepcionais Orais/uso terapêutico , Desogestrel/efeitos adversos , Desogestrel/uso terapêutico , Relação Dose-Resposta a Droga , Quimioterapia Combinada , Etinilestradiol/efeitos adversos , Etinilestradiol/uso terapêutico , Feminino , Flutamida/efeitos adversos , Hormônios Esteroides Gonadais/sangue , Hirsutismo/sangue , Humanos , Resultado do Tratamento
9.
Br J Obstet Gynaecol ; 100(9): 832-8, 1993 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-8218004

RESUMO

OBJECTIVE: To compare two oral contraceptive pills, both containing 150 micrograms desogestrel, but with either 20 micrograms (Mercilon) or 30 micrograms (Marvelon/Desolett) ethinyl oestradiol (EE), regarding reliability, cycle control and side effect profile. DESIGN: A double blind, randomised, multicentre study over one year with follow up after three, six and 12 months. The women noted tablet intake and all bleedings on specifically designed diary cards. SETTING: University clinics, central hospitals and private gynaecological practices in Norway, Sweden and Denmark. SUBJECTS: One thousand women aged 18 to 40 years requesting oral contraceptive pills. MAIN OUTCOME MEASURES: Reliability, cycle control, side effects, blood pressure, body weight and haemoglobin. RESULTS: In a total of 4543 cycles with the 20 micrograms EE dose pill and 4688 cycles with the 30 micrograms EE dose pill, the number of pregnancies ascribed to method failure were 0 and 2, respectively. Irregular bleeding (break-through bleeding or spotting) was significantly more frequent with the 150/20 combination in about two-thirds of the cycles randomly distributed over the one year of the study. Mean blood pressure decreased slightly, particularly in the group on the 150/20 combination (about 1 mmHg), whereas mean body weight increased approximately 0.5 kg in the group with the 150/30 combination after 12 months. Haemoglobin did not change. Side effects other than bleeding problems were rare, but dizziness and mood changes were more frequent in the group on the 150/20 combination. Due to side effects, more women on the 150/20 combination discontinued the study during the one to three and four to six month periods, and women on this pill were also less positive about continuing the study drug at the end of the trial. CONCLUSIONS: Both pills have high contraceptive reliability and are well tolerated, but with the 150/20 combination the cycle control is less effective. However, in view of the potentially increased safety profile of the 150/20 combination, many women can be expected to accept some additional discomfort due to irregular bleeding.


PIP: A double-blind, randomized, multicenter study compared 2 combined oral contraceptives containing 150 mcg desogestrel and either 30 mcg (Marvelon/Desolett) or 20 mcg (Mercilon) of ethinyl estradiol, focusing on reliable pregnancy prevention and cycle control. The women were 300 Norwegians, 500 Swedes, and 200 Danes, 52% of whom switched from a prior brand of pill. Women completed bleeding diaries: all bleeding that did not start in the 7-day tablet-free interval and last for 7 or fewer days was considered irregular bleeding, either breakthrough bleeding or spotting. The 2 groups were similar except that those taking the 150/20 combination were slightly older. There were 2 pregnancies with the 20 mcg combination and 3 with the 30 mcg pill, 2 of which were considered method failures. In 8573 cycles analyzed there were more instances of irregular bleeding and amenorrhea with the 20 mcg pill than with the 30 mcg pill. Duration of breakthrough bleeding was not significantly different. Irregular bleeding was also more common n women switching from another brand of pill to a lower estrogen dose pill. Blood pressure decreased slightly on the 20 mcg ill and body weight rose slightly on the 30 mcg pill, but hemoglobin did not change. More women dropped out or chose not to continue taking the 150/20 mcg pill because of side effects, usually irregular bleeding, mood changes, dizziness, or weight gain. Despite these differences, there were enough women who tolerated the lower dose combination pill to merit continuing to take it.


Assuntos
Anticoncepcionais Orais Combinados/administração & dosagem , Desogestrel/administração & dosagem , Etinilestradiol/administração & dosagem , Ciclo Menstrual/efeitos dos fármacos , Pancurônio/análogos & derivados , Adolescente , Adulto , Peso Corporal , Química Farmacêutica , Anticoncepcionais Orais Combinados/efeitos adversos , Anticoncepcionais Orais Combinados/química , Desogestrel/efeitos adversos , Método Duplo-Cego , Feminino , Humanos , Pancurônio/administração & dosagem , Pancurônio/efeitos adversos , Fatores de Risco
10.
Contraception ; 47(3): 251-61, 1993 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-8462316

RESUMO

The properties of a single contraceptive subdermal implant releasing 3-ketodesogestrel were assessed in fifteen women over twelve months. Serum levels of 3-ketodesogestrel were monitored regularly following insertion and after removal. The mean serum level of 3-ketodesogestrel was 245 pg/ml after 72 h (steady state) and 176 pg/ml after twelve months. All volunteers demonstrated ovulation inhibition throughout the study. Transient oestradiol peaks occurred during the study. No luteal activity was noted. The cervical mucus was rapidly rendered hostile to sperm migration. Two women withdrew from the study during the first six months for medical reasons. Both volunteers cited bleeding irregularity as the main cause, one complaining of oligomenorrhoea, the other of prolonged bleeding/spotting episodes. A small but significant increase in weight was noted during the study period.


PIP: 15 sterilized women participated in a clinical trial of the implant Implanon (Organon), a single ethylene vinyl acetate rod containing 60 mg 3-ketodesogestrel (3-KDG), the metabolite of desogestrel. The rod is 40 mm long, 2 mm in diameter and is packaged in its inserter. In this trial the implants were treated to simulate the 2nd year of use. The study subjects underwent intensive hormone and ultrasound monitoring for 72 hours after insertion, twice weekly for 6 weeks and at 6-month intervals. 13 women completed 6 months, 7 completed 12 months, and 5 continued the trial 24 months. There were no complications related to insertion or removal. 3-KDG levels rose to a steady state of 245 pg/ml by 72 hours, then fell to a mean of 17 pg/ml at 12 months. 90 pg/ml of 3-KDG is the critical serum level for anovulation. After removal, 3-KDG declined to 54 pg/ml in 3 days. Follicle development tended toward small follicles or those larger than 10 mm. There was no luteal activity, and LH, FSH and progesterone remained in the follicular phase range. Estradiol levels were not low enough to risk osteoporosis. There was no significant change in serum sex hormone binding globulin. Systolic blood pressure decreased significantly at 12 months; mean weight gain was 3.7 kg (range from loss of 4 kg to gain of 22 kg); a variety of bleeding irregularities were recorded by individual women.


Assuntos
Desogestrel/farmacologia , Menstruação/efeitos dos fármacos , Ovário/efeitos dos fármacos , Congêneres da Progesterona/farmacologia , Adolescente , Adulto , Pressão Sanguínea/efeitos dos fármacos , Peso Corporal/efeitos dos fármacos , Muco do Colo Uterino/efeitos dos fármacos , Desogestrel/administração & dosagem , Desogestrel/efeitos adversos , Desogestrel/farmacocinética , Implantes de Medicamento , Feminino , Hormônios Esteroides Gonadais/sangue , Humanos , Folículo Ovariano/diagnóstico por imagem , Folículo Ovariano/efeitos dos fármacos , Folículo Ovariano/fisiologia , Ovário/fisiologia , Ovulação/efeitos dos fármacos , Congêneres da Progesterona/administração & dosagem , Congêneres da Progesterona/efeitos adversos , Congêneres da Progesterona/farmacocinética , Globulina de Ligação a Hormônio Sexual/análise , Ultrassonografia
11.
Clin Pharmacol Ther ; 53(1): 65-75, 1993 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-8422744

RESUMO

The efficacy and acceptability of two widely used oral contraceptive tablets, one containing 250 mg levonorgestrel and 50 micrograms ethinyl estradiol and the other containing 150 micrograms desogestrel and 30 micrograms ethinyl estradiol, administered by the vaginal route were compared in 1055 women studied over 12,630 woman-months of vaginal contraceptive pill use. This multicenter clinical trial was performed in nine countries of the developing world by the "South to South Cooperation in Reproductive Health," an organization founded by scientists from the Third World working in the area of reproductive health, and the study was developed and coordinated by one of these centers. The findings of this study confirm the efficacy of both these tablets when administered by the vaginal route. Involuntary pregnancy rates at 1 year of 2.78 for subjects in the levonorgestrel group and 4.54 for subjects the desogestrel group showed no statistically significant difference between the two groups. However, total discontinuation rates of 47.01 for subjects in the levonorgestrel group and 56.33 for subjects in the desogestrel group showed a statistically significant difference between the two groups, and discontinuation rates attributable to prolonged bleeding of 0.6 for subjects in the levonorgestrel group and 3.2 for subjects in the desogestrel group were also significantly higher in the group of subjects using the desogestrel vaginal contraceptive pill. Blood pressure remained at admission values throughout treatment. A statistically significant weight increase from admission values occurred in both groups of subjects.


PIP: Efficacy and acceptability of 2 combined oral contraceptive pills administered vaginally are summarized. This is the 1st collaborative trial published by the South to South Cooperation in Reproductive Health. 1055 women participated in 12,630 cycles, in 9 countries, from June 1988 to May 1991. The pills were commercially available tablets containing 50 mcg ethinyl estradiol and 250 mg levonorgestrel (Schering AG, Sao Paulo, Brazil), or 30 mcg ethinyl estradiol and 15 mcg desogestrel (Organon, Sao Paulo, Brazil). Subjects were aged 17-39 younger and of lower parity from Mexico and Dominican Republic and older from Egypt and China. All had at least 1 pregnancy. 675 participated for 6 months, 470 for 1 year, 364 for 18 months, and 210 for 2 years. The 1-year discontinuation rate averaged 47.01% for the levonorgestrel group and 56.33% for the desogestrel group (p = 0.0061); 2-year discontinuation rates were 48.01% and 69.36, respectively, explained in part by higher involuntary pregnancy rates and prolonged bleeding rates in the desogestrel group. The most common medical reasons for stopping contraception were unplanned pregnancy, vaginal or vulval irritation, nausea, vaginal discharge and headache. Vaginal irritation was reported by 1%, 9 in each group. There were 32 pregnancies, 14 in the levonorgestrel and 18 in the desogestrel group. 17 were in missed pill cycles and the rest were method failures, 6 in the levonorgestrel group and 9 in the desogestrel group. The Pearl index varied from 0 in Nigeria to 12.24 in Mexico, and was 2.45 for levonorgestrel vs. 3.74 for desogestrel. There was a wide variation in discontinuation rates by center: Brazil and China had few, while many women from Dominican Republic, Mexico and Zambia left the study. Bleeding problems were common complaints, more so in the desogestrel group. There were 363 women with intermenstrual bleeding (only once in 80%), 148 with spotting (only twice in 65%). Bleeding duration was significantly less in pill cycles than baseline, pressure. Women gained an average of 1 kg over 2 years, more in the desogestrel group. The pregnancy rate of 2.78 is within the range reported for levonorgestrel rings.


Assuntos
Desogestrel/administração & dosagem , Etinilestradiol/administração & dosagem , Levanogestrel/administração & dosagem , Administração Intravaginal , Adolescente , Adulto , Desogestrel/efeitos adversos , Países em Desenvolvimento , Combinação de Medicamentos , Etinilestradiol/efeitos adversos , Feminino , Humanos , Levanogestrel/efeitos adversos , Estudos Multicêntricos como Assunto , Aceitação pelo Paciente de Cuidados de Saúde , Gravidez , Distribuição Aleatória , Vagina
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