Healthcare Industry News: follitropin
News Release - January 28, 2010
Merck Receives European Approval for ELONVA(R) (corifollitropin alfa injection), a New Fertility TreatmentFirst Sustained Follicle Stimulant Reduces the Number of Treatment Injections for Patients
WHITEHOUSE STATION, N.J., Jan. 28 (Healthcare Sales & Marketing Network) -- Merck & Co., Inc., which operates outside the U.S. and Canada as MSD, today announced the European Commission (EC) approval of ELONVAŽ (corifollitropin alfa injection). ELONVA is indicated for controlled ovarian stimulation (COS) in combination with a GnRH antagonist for the development of multiple follicles in women participating in an assisted reproductive technology (ART) program. With the EC approval, Merck receives marketing authorization for ELONVA with unified labeling valid in all European Union Member States. Schering-Plough Corp. and Merck & Co., Inc. merged on Nov. 3, 2009.
ELONVA is the first sustained follicle stimulant. Due to its ability to initiate and sustain multiple follicular growth for an entire week, a single subcutaneous injection of the recommended dose of ELONVA may replace the first seven injections of any conventional daily recombinant follicle stimulating hormone (rFSH) preparation in a COS treatment cycle.
"The European approval of ELONVA is a positive step towards reducing the burden of injections for women experiencing difficulty conceiving," said Mirjam Mol-Arts, senior vice president, Merck Research Laboratories. "Merck is proud of the company's women's health portfolio and is committed to providing effective patient-focused fertility treatments."
The Phase III development program for ELONVA included the Engage trial, the largest double-blind fertility agent trial in IVF performed to date. In the Engage trial, the ongoing pregnancy rate, the primary endpoint, obtained in the ELONVA treatment arm (38.9 percent per started cycle) was similar to that achieved in patients receiving a daily dose of rFSH (38.1 percent per started cycle). (1)
The most frequently reported adverse drug reactions during treatment with ELONVA in clinical trials are Ovarian Hyperstimulation Syndrome (OHSS) (5.2%), pelvic pain (4.1%) and discomfort (5.5%), headache (3.2%), nausea (1.7%), fatigue (1.4%) and breast complaints (including tenderness) (1.2%). Use with GnRH agonists is not recommended.
ELONVA is approved for COS in combination with a GnRH antagonist for the development of multiple follicles in women participating in an ART program. ELONVA is designed as a sustained follicle stimulant with the same pharmacodynamic profile as rFSH, but with a markedly prolonged duration of FSH activity. Due to its ability to initiate and sustain multiple follicular growth for an entire week, a single subcutaneous injection of the recommended dose of ELONVA may replace the first seven injections of any daily rFSH preparation in a COS treatment cycle.
Engage was a non-inferiority trial designed to compare ELONVA 150 mcg to 200 IU rFSH. A total of 1,506 patients (with a body weight greater than 60 kg) at 34 in-vitro fertilization (IVF) clinics in North America and Europe were randomized to start stimulation with either ELONVA 150 mcg or a daily dose of 200 IU rFSH for seven days. Patients also received rFSH (maximum 200 IU/day) from stimulation day eight onward, when required. Starting on stimulation day five, all patients received 0.25mg gonadotropin-releasing hormone (GnRH) antagonist until triggering of final oocyte maturation by human chorionic gonadotropin (hCG). The primary endpoint was the ongoing pregnancy rate assessed at ten weeks or more after embryo transfer. In the ELONVA treatment arm the ongoing pregnancy rate (38.9 percent per started cycle) was similar to that achieved in patients receiving a daily dose of rFSH (38.1 percent per started cycle). (1) The number of oocytes retrieved per attempt, the co-primary endpoint, was 13.7 (+/- 8.2) for the ELONVA group and 12.5 (+/- 6.7) for the rFSH group. (1)
Infertility is a disease or condition that impairs the body's ability to perform the basic function of reproduction. (2) It is often diagnosed after a couple has not conceived after one year of unprotected, well-timed intercourse. (3) Women over the age of 35 are encouraged to seek diagnosis and treatment for infertility following six months of unprotected intercourse. (4) Around 15 percent of couples of reproductive age have a fertility problem. (3)
There are many causes of infertility including problems with the production of sperm or eggs, with the fallopian tubes or the uterus, endometriosis, frequent miscarriage, as well as hormonal and autoimmune (antibody) disorders in both men and women. (3)
With infertile couples, the source of infertility lies with the male in 40 percent of cases and 40 percent with the female. The remaining 20 percent is either a joint problem or unknown, because the cause has not been identified. There are a variety of treatments available for infertility; these include surgery, hormone treatments, insemination and IVF, among others. (3)
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Merck undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events or otherwise. Additional factors that could cause results to differ materially from those described in the forward-looking statements can be found in Merck's 2008 Annual Report on Form 10-K, Schering-Plough's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2009, the proxy statement filed by Merck on June 25, 2009 and each company's other filings with the Securities and Exchange Commission (SEC) available at the SEC's Internet site: www.sec.gov.
- Devroey P, et al. A double-blind non-inferiority, randomized controlled trial comparing corifollitropin alfa and recombinant FSH during the first seven days of ovarian stimulation using a GnRH antagonist protocol. Hum Reprod 24(12); 3063-72, 2009.
- Frequently Asked Questions About Infertility. American Society for Reproductive Medicine Web site. http://www.asrm.org/Patients/faqs.html. Accessed May 14, 2009
- http://www.icsi.ws/about_infertility. Accessed May 14, 2009
- Frequently Asked Questions; Questions about Infertility. Centre for Fertility and Reproductive Medicine. http://www.csmc.edu/3830.html. Accessed May 14, 2009
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