Active clinical trials for "Infertility"

Low-Molecular-Weight-Heparin (LMWH) has been used empirically in patients undergoing in-vitro fertilization embryo transfer (IVF-ET) with the purpose to aid in improving pregnancy outcomes. The potential mechanism is that LMWH could exert its anticoagulant effect by inhibiting factor Xa, reducing the risk of insufficiency blood supply in the very early stage of pregnancy. Moreover, LMWH is supposed to play a role in manipulating blastocyst supposition, adhesion, and implantation, as well as trophoblast differentiation and invasion. However, limited high-quality clinical trials focus on the effectivity of LMWH in IVF-ET, and the published evidence is not consensus, leading to considerable controversy in the clinical application of LMWH in IVF-ET patients. Here, investigators try to evaluate the effect of LMWH on pregnancy outcome in women with multiple failures of IVF-ET via a multi-center randomized controlled trial.

A randomized controlled trial to evaluate whether pretreatment with myo-inositol can lower testosterone levels and improve clinical outcomes in hyperandrogenic PCOS patients undergoing ART

The aim of this randomized controlled trial is to compare the efficacy of oral dydrogesterone vs. micronized vaginal progesterone for luteal phase support in frozen-thawed embryo transfer cycles.

This study evaluates the effectiveness of acupuncture on pregnancy success before embryo transfer in IVF treatment in female infertile patients. Half of participants will receive acupuncture sessions before embryo transfer, while the other half will not receive.

Uterine contraction has a negative impact on implantation and pregnancy rates. Inhibition of oxytocin receptors decreases uterine contraction frequency both on pregnant and non-pregnant women. Atosiban has been studied as an oxytocin antagonist to decrease uterine contraction frequency in order to increase implantation and pregnancy rates in assisted reproduction. Previous studies have studied 37,5mg total dose which was used both before and during embryo transfer, and found atosiban to be effective in increasing implantation and pregnancy rates. We aim to use a single dose of 6,75mg atosiban before embryo transfer, in order to decrease the dose and cost and possibly introduce a simpler protocol. Our study will also be the first randomized clinical study which investigates the effect of atosiban on frozen-thawed embryo transfer cycles.

Polycystic ovary syndrome (PCOS) patients are often accompanied by infertility. Non-obese PCOS infertility is more difficult to treat than obese PCOS. The study included non-obese PCOS patients who had not recovered from regular menstruation after six months of metformin treatment. Half of the patients were treated with clomiphene for ovulation induction and half with GnRH pulse therapy.

The object of this study is to evaluate the efficacy of extended letrozole co-treatment with GnRH-antagonist protocol in ovarian stimulation of poor responder patients undergoing IVF-ET.

In this study we aim to compare the effect of TAP block and QL block on postoperative analgesia, analgesic consumption , side effects and patient satisfaction after varicocelec surgery. 75 patients will be randomized into 3 groups:TAP Group (Group T) n = 25, QL Group (Group Q) n = 25, Control Group (Group K) n = 25 All patients will be operated on with spinal anesthesia. TAP and QL blocks will be performed after completion of the surgeries. In the postoperative care unit, an iv patient-controlled analgesia protocol with tramadol will be started. Patients in all three groups will be assessed with a resting and cough VAS (visual analog scale) at postoperative 2,4,6,12,18 and 24 hours and values will be recorded. The amount of analgesic consumption and the first analgesic request times will be recorded. Post-operative QUIPS: Quality Improvement in Postoperative Pain Management questionnaire will be applied, side effects such as nausea-vomiting, drowsiness will be noted. In addition, patient satisfaction will be assessed with these methods as bad, medium, good, and very good.

To compare the effectiveness of vaginal dinoprostone with placebo in minimizing the pain experienced by primarily infertile patients during diagnostic office hysteroscopy and to assess the ease of insertion of hysteroscope as reported by the hysteroscopist.

This is a Phase IV, prospective, randomized controlled study to investigate the cumulative live birth rates (CLBRs) of gonadotrophin-releasing hormone (GnRH) antagonist protocol (GnRH-ant group) compared with the standard GnRH agonist long protocol (GnRH-a group) for controlled ovarian stimulation in supposed normal ovarian responders.