Miudella by is a Prescription medication manufactured, distributed, or labeled by Sebela Women's Health Inc.. Drug facts, warnings, and ingredients follow.
Miudella is a copper-containing intrauterine system (IUS) indicated for prevention of pregnancy in females of reproductive potential for up to 3 years.( 1)
Most common adverse reactions (incidence ≥ 5%) are: heavy menstrual bleeding, dysmenorrhea, intermenstrual bleeding, pelvic discomfort, procedural pain, pelvic pain, post procedural hemorrhage, dyspareunia. ( 6.1)
To report SUSPECTED ADVERSE REACTIONS, contact Sebela Women's Health Inc. at 1-866-246-2133 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
See 17 for PATIENT COUNSELING INFORMATION.
Revised: 2/2025
FigureA : Miudella Intrauterine System (IUS) Preloaded Inserter
Clinical Scenario | Recommended Timing of Miudella Insertion |
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| At any time during the menstrual cycle. |
| At any time during the menstrual cycle; discontinue the previous method. |
| Same day the implant or IUS is removed (insert at any time during the menstrual cycle). |
Step 1 – Open the Sterile Package | |||
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Step 2 – Setting the Flange | |||
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Step 3 – Inserter Placement | |||
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Step 4 -Miudella Placement | |||
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Following placement:
Timing of Removal
Removal Instructions
The use of Miudella is contraindicated when one or more of the following conditions exist:
Improper insertion of intrauterine systems, including Miudella, increases the risk of perforation, infection, undiagnosed abnormal bleeding, pregnancy loss (if pregnancy occurs with IUS in situ), and expulsion.
Proper training prior to first use of Miudella can minimize the risk of improper insertion. Miudella is available only through a restricted program under a REMS [see Warnings and Precautions (5.2)].
Miudella is only available through a restricted program under a REMS called Miudella REMS Programto ensure healthcare providers are trained prior to first use [see Warnings and Precautions (5.1)]. Notable requirements include the following:
Further information is available at miudellarems.com and 1-855-337-0772.
Evaluate for possible ectopic pregnancy in any female who becomes pregnant while using Miudella because a pregnancy that occurs with Miudella in place is more likely to be ectopic than a pregnancy in the general population. However, because Miudella prevents most pregnancies, females who use Miudella have a lower risk of an ectopic pregnancy than sexually active females who do not use any contraception.
The incidence of ectopic pregnancy in the clinical trials with Miudella was approximately 0.3%. Ectopic pregnancy may require surgery and may result in loss of fertility.
Patients who use Miudella should be informed about recognizing the signs and symptoms of ectopic pregnancy and promptly reporting them to their healthcare professional, and about the associated risks of ectopic pregnancy (e.g., loss of fertility).
If intrauterine pregnancy occurs with Miudella in place and the thread ends are visible or can be retrieved from the cervical canal, remove Miudella. Leaving it in place may increase the risk of spontaneous abortion and preterm labor. Removal of Miudella may also result in spontaneous abortion. In the event of an intrauterine pregnancy with Miudella, consider the following:
Septic Abortion
In females becoming pregnant with an intrauterine system (IUS), including Miudella in place, septic abortion, with septicemia, septic shock, and death, may occur. Septic abortion typically requires hospitalization and treatment with intravenous antibiotics. Septic abortion may result in spontaneous abortion or a medical indication for pregnancy termination. A hysterectomy may be required if severe infection of the uterus occurs, which will result in permanent infertility.
Continuation of Pregnancy
If a female becomes pregnant with Miudella in place and if Miudella cannot be removed or the female chooses not to have it removed, warn her that failure to remove Miudella increases the risk of miscarriage, sepsis, premature labor, and premature delivery. Prenatal care should include counseling about these risks and that she should report immediately any flu-like symptoms, fever, chills, cramping, pain, bleeding, vaginal discharge or leakage of fluid, or any other symptom that suggests complications of the pregnancy.
Severe infection or sepsis, including Group A streptococcal sepsis (GAS), have been reported following insertion of IUSs. In some cases, severe pain occurred within hours of insertion followed by sepsis within days. Because death from GAS is more likely if treatment is delayed, it is important to be aware of these rare but serious infections. Aseptic technique during insertion of Miudella is essential to minimize serious infections such as GAS.
Promptly examine users with complaints of lower abdominal or pelvic pain, odorous discharge, unexplained bleeding, fever, genital lesions or sores. Remove Miudella in cases of recurrent pelvic inflammatory disease or endometritis, or if an acute pelvic infection is severe or does not respond to treatment.
Pelvic Inflammatory Disease (PID)
Miudella is contraindicated in the presence of known or suspected PID or endometritis [see Contraindications (4)] . IUSs have been associated with an increased risk of PID, most likely due to organisms being introduced into the uterus during insertion.
Females at increased risk for PID
PID is often associated with a sexually transmitted infection (STI), and Miudella does not protect against STI. The risk of PID is greater for females who have multiple sexual partners, and also for females whose sexual partner(s) have multiple sexual partners. Females who have had PID are at increased risk for a recurrence or re-infection. In particular, ascertain whether the female is at increased risk of infection (for example, leukemia, acquired immune deficiency syndrome [AIDS], intravenous drug abuse).
Treatment of PID
Following a diagnosis of PID, or suspected PID, bacteriologic specimens should be obtained and antibiotic therapy should be initiated promptly. Removal of Miudella after initiation of antibiotic therapy is appropriate in cases of recurrent PID or endometritis, or if an acute pelvic infection is severe or does not respond to treatment.
Actinomycosis
Actinomycosis has been associated with IUS use. Symptomatic patients with known actinomycosis infection should have Miudella removed and receive antibiotics. Actinomycetes can be found in the genital tract cultures in healthy patients without IUSs. The significance of actinomyces-like organisms on Pap test in an asymptomatic IUS user is unknown, and so this finding alone does not always require Miudella removal and treatment. When possible, confirm a Pap test diagnosis with cultures.
Partial or total perforation of the uterine wall or cervix may occur during insertions, although the perforation may not be detected until sometime later. Perforation may also occur at any time during IUS use. Perforation that results in embedment or translocation may reduce contraceptive efficacy and result in pregnancy. The incidence of perforation during or following Miudella insertion in clinical trials was 0.1% (2 out of 1904).
A post-marketing safety study conducted in Europe (EURAS IUS) with IUSs, including copper IUSs, demonstrated an increased risk of perforation in postpartum and lactating women. The risk of perforation may be increased if an IUS, such as Miudella, is inserted when the uterus is fixed, retroverted or not completely involuted during the postpartum period.
If perforation is suspected or if known perforation occurs during placement, the IUS should be removed as soon as possible. Surgery may be required. Preoperative imaging followed by laparoscopy or laparotomy may be required to remove the IUS from the peritoneal cavity. Delayed detection or removal of Miudella in cases of perforation may result in migration outside the uterine cavity, adhesions, peritonitis, intestinal penetration, intestinal obstruction, abscesses and/or damage to adjacent organs.
Partial or complete expulsion of Miudella has been reported, resulting in the loss of contraceptive protection. The incidence of expulsion in the clinical trials with Miudella was 3.6% through 3 years of use. Consider further diagnostic imaging, such as x-ray, to confirm expulsion if the IUS is not found in the uterus on ultrasound.
Miudella should be placed no earlier than 4 weeks post-pregnancy to mitigate the risk of expulsion that may be increased when the uterus is not completely involuted at the time of insertion. Remove a partially expelled Miudella and do not attempt to push a partially expelled Miudella into the uterus. If expulsion has occurred, a new Miudella may be inserted when there is reasonable certainty the patient is not pregnant.
Miudella may exacerbate Wilson's disease, a rare genetic disease affecting copper excretion; therefore, the use of Miudella is contraindicated in females with Wilson's disease [see Contraindications (4)] .
Miudella can alter the bleeding pattern and result in heavier and longer menstrual cycles with intermenstrual spotting.
In three clinical trials with Miudella [see Adverse Reactions (6.1)] , menstrual changes were the most common medical reason for discontinuation. Discontinuation rates for pain and bleeding combined were highest in the first year of use and diminished thereafter. The percentage of females who discontinued Miudella because of bleeding problems or pain during this study ranged from 8.5% in the first year to 3.2% in Year 3. Females complaining of heavy vaginal bleeding should be evaluated and treated, and may need to discontinue Miudella [see Adverse Reactions (6.1)] .
MRI Safety Information![]() | The
Miudella Intrauterine Device (IUD)is MR Conditional. A patient with
Miudellamay be safely scanned under the following conditions.
Failure to follow these conditions may result in injury to the patient. |
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Nominal Values of Static Magnetic Field (T) | 1.5-Tesla or 3.0-Tesla | |
Maximum Spatial Field Gradient | 40 T/m (4,000 gauss/cm) | |
Type of RF Excitation | Circularly Polarized (CP) (i.e., Quadrature-Transmission) | |
Transmit RF Coil Information | There are no transmit RF coil restrictions. Accordingly, the following may be used: body transmit RF coil and all other RF coil combinations (i.e., body RF coil combined with any receive-only RF coil, transmit/receive head RF coil, transmit/receive knee RF coil, etc.) | |
Operating Mode | Normal Operating Mode | |
Maximum Whole-Body Averaged SAR | 2 W/kg (Normal Operating Mode) | |
Limits on Scan Duration | 2 W/kg whole body average SAR for 60 minutes of continuous RF exposure (a sequence or back to back sequences/series without breaks) | |
MR Image Artifact | The presence of this implant produces an imaging artifact. In testing with gradient-echo sequencing, the shape of the image artifact follows the approximate contour of the device and extends radially up to 0.7 cm from the device. |
The following serious adverse reactions are discussed elsewhere in the labeling:
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice.
The data described below reflect exposure of 1,904 healthy 17- to 45-year-old women (mean age 27.5 ± 5.72 years) to Miudella. These data come from two multi-center contraceptive trials with a 3-year duration and a single, multi-center comparative bioavailability study with a 3 year duration, all conducted in the United States, enrolling generally healthy, postmenarcheal females to 45 years old. In total 1,904 subjects were exposed to Miudella for one year and 916 completed three years. The data in these trials cover approximately 51,692 cycles of exposure.
The following adverse reactions have been observed in ≥5% of users in clinical trials with Miudella: heavy menstrual bleeding, dysmenorrhea, intermenstrual bleeding, pelvic discomfort, procedural pain, pelvic pain, post procedural hemorrhage, and dyspareunia.
Table 2 shows discontinuation rates from the 3 multi-center clinical studies by adverse reaction and year.
Year | |||
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1 | 2 | 3 | |
Number of Women at Start of Year | 1,904 | 1,463 | 1,118 |
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Bleeding/Pain† | 8.5 | 5.1 | 3.2 |
Expulsion | 1.9 | 1.0 | 0.9 |
Other Medical Event‡ | 0.2 | 0.1 | 0.3 |
According to the safety analyses of these three studies, it was determined the incidence of expulsion of Miudella did not vary significantly by body mass index (BMI). There was no statistically significant difference in the incidence of expulsion of Miudella in normal weight versus obese females.
Risk Summary
Use of Miudella is contraindicated for use in pregnant females because there is no need for pregnancy prevention in a female who is already pregnant and Miudella may cause adverse pregnancy outcomes. If a female becomes pregnant with Miudella in place, there is an increased risk of miscarriage, sepsis, premature labor, and premature delivery [see Contraindications (4)and Warnings and Precautions (5.3, 5.4)] . Advise the female of the potential risks if pregnancy occurs with Miudella in place.
Published studies on pregnancy outcomes exposed to copper IUSs report up to 27% miscarriage when the IUS was removed compared to 77% miscarriage when the IUS remained in the uterus. Studies on Miudella and birth defects have not been conducted.
Risk Summary
No difference has been detected in concentration of copper in human milk before and after insertion of copper IUSs, such as Miudella. There is no information on the effect of copper in a breastfed child or the effect on milk production. The developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for Miudella and any potential adverse effects on the breastfed child from Miudella.
Return to Fertility After Discontinuing Miudella
In Study 1 (NCT03633799), return to fertility was investigated in a total of 63 women who desired pregnancy after study discontinuation and provided follow-up information. The probability to conceive within 12 months after removal of Miudella was 74.1% [see Clinical Studies (14)].
Miudella (copper intrauterine system) contains 99.99% pure copper for use as a contraceptive. Copper (Cu) has a molecular weight of 63.546 g/mol. Miudella consists of ten copper sleeves attached to a flexible nitinol (nickel-titanium alloy) frame measuring 32 mm horizontally and 30 mm vertically, and a polypropylene monofilament retrieval thread tied to the vertical stem. Miudella has a total exposed copper surface area of 175 mm 2and is provided sterile and preloaded in an inserter.
The inserter device provided with Miudella is a single use, disposable, sterile insertion system (insertion tube with a tapered rounded tip, depth markings and flange, and handle with slider and endcap); preloaded with the IUS for intrauterine administration. Once Miudella has been inserted, the inserter is discarded.
Figure D: Diagram of Inserter
Copper continuously released into the uterine cavity contributes to the contraceptive effectiveness of Miudella. Mechanism(s) by which copper enhances contraceptive efficacy include interference with sperm transport and fertilization of an egg.
The exposure-response relationship and time course of pharmacodynamic response for the safety and effectiveness of Miudella have not been fully characterized.
The pharmacokinetics (PK) of copper following insertion of Miudella were investigated in 20 healthy premenopausal female adult subjects. Table 3 shows PK parameters of serum copper with or without baseline-adjustment following 57 days after insertion, and serum copper concentrations during 3 years after insertion.
Parameters | Mean (standard deviation) | ||
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No adjustment | Baseline-adjusted | ||
C max: peak concentration | |||
C: concentration | |||
AUC: area under the serum concentration-time curve | |||
PK parameters | C max, Day1-57(ng/mL) | 1210 (202) | 63.5 (84.1) |
AUC Day1-57(day×ng/mL) | 59700 (8310) | 992 (1680) | |
C Year1(ng/mL) | 965 (197) | 7.5 (19.4) | |
C Year2(ng/mL) | 1020 (168) | 25.7 (48.7) | |
C Year3(ng/mL) | 986 (148) | 17.2 (43.0) |
Adequate long-term studies in animals to assess the carcinogenic potential of a copper-containing IUS have not been performed.
A chemical characterization and toxicological risk assessment of the extractables derived from the copper-containing IUS were utilized to address carcinogenicity, mutagenicity and reproductive/developmental toxicity risks. The toxicological risk assessment indicates that the risks of carcinogenicity, mutagenicity and reproductive/developmental toxicity caused by the copper-containing IUS are negligible.
The efficacy of Miudella for the prevention of pregnancy in women of reproductive potential for up to 3 years was demonstrated in Study 1 (NCT03633799), a multi-center, single-arm, open-label study conducted in the U.S. Women were excluded if they were less than six weeks postpartum, had a history of previous IUS complications, were known to be HIV positive, or were otherwise at high risk for sexually transmitted infections. There were no exclusions based on BMI.
Study 1 included 1601 generally healthy women aged 17 to 45 years who had Miudella successfully placed. Of these 60% (960/1601) were nulliparous. Successful placement of Miudella with first attempt occurred in 96% of the subjects and 99% with two insertion attempts by healthcare providers who received training on proper insertion prior to first use. The median age was 27 years, the mean weight was 75.3 kg (range 40.6 kg to 170.1 kg); mean BMI was 27.9 kg/m 2(range 15.8 kg/m 2to 63.5 kg/m 2); 74% were White, 15% were Black, 5% were Asian, and 6% were Other; 19% were Hispanic.
The primary endpoint for Study 1 was the contraceptive efficacy of Miudella through 3 years of use as measured by the Pearl Index (PI) in women 17 to 35 years of age. The PI was calculated based on 28-day equivalent exposure cycles; evaluable cycles excluded those in which no intercourse occurred, or back-up contraception was used unless a pregnancy occurred in that cycle.
Women enrolled in the study provided 12,493 evaluable 28-day cycle equivalents in the first year and 27,115 evaluable cycles over the three-year treatment period. The PI for Year 1 was based on 9 pregnancies and the cumulative 3-year pregnancy rate was based on 22 pregnancies that occurred after the onset of treatment and within 7 days after Miudella removal or expulsion.
Table 4 shows the calculated annual pregnancy rates and cumulative 3-year pregnancy rate estimated by Pearl Index.
Miudella Clinical Trial | Pearl Index | Cumulative 3-Year
Pearl Index |
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Year 1 | Year 2 | Year 3 | ||
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Number of Evaluable 28- day Cycles of Exposure | 12,493 | 8,150 | 6,472 | 27,115 |
Pregnancy Rate
(95% Confidence Interval) | 0.94
(0.43,1.78) | 1.60
(0.76, 2.93) | 0.60
(0.12, 1.76) | 1.05
(0.66, 1.60) |
Of 54 subjects who desired pregnancy after study discontinuation and provided follow-up information, approximately 74.1% conceived within 12 months after removal of Miudella. The majority of these subjects conceived within 4 months of removal and as early as the first week post-removal, demonstrating the reversibility of Miudella.
Miudella (copper intrauterine system) is a copper-containing sterile IUS preloaded in a single use inserter. Each single-use unit is packaged in a sealed tray with lid (NDC-82686-300-01). The IUS is comprised of a nitinol frame with 10 copper sleeves attached to provide a total copper surface area of 175mm 2, and a monofilament polymer retrieval thread tied to the vertical arm.
Advise the patient to read the FDA-approved patient labeling (Patient Information).
Before inserting Miudella, counsel patients on the following:
Sexually Transmitted Infections: Advise patients that Miudella does not protect against HIV infection and other sexually transmitted infections.
Ectopic Pregnancy: Advise patients to report pregnancies and be evaluated immediately, as a pregnancy with Miudella in place is more likely to be an ectopic pregnancy, and the risks of ectopic pregnancy include the loss of fertility [See Warnings and Precautions (5.3)].
Intrauterine Pregnancy: Advise the patient to contact her healthcare provider if she thinks she might be pregnant. Inform the patient about the risks of intrauterine pregnancy while using Miudella, including the risks of leaving Miudella in place and the risks of removing Miudella or probing of the uterus. An intrauterine pregnancy with Miudella in place may result in septic abortion, with septicemia, septic shock, and possible death. Septic abortion typically requires hospitalization and treatment with intravenous antibiotics. Septic abortion may result in spontaneous abortion or a medical indication for pregnancy termination. A hysterectomy may be required if severe infection of the uterus occurs, which will result in permanent infertility.
If Miudella cannot be removed in a pregnant patient and remains in the uterus during a pregnancy, there is an increased risk of miscarriage, sepsis, premature labor and premature delivery. Advise patients that a pregnancy must be followed closely and advise patients to report immediately any symptom, such as flu- like symptoms, fever, chills, cramping, pain, bleeding, vaginal discharge or leaking of fluid, or any other symptom that suggests complications of the pregnancy. [See Warnings and Precautions (5.4)and Use in Special Populations (8.1)].
Sepsis: Advise the patient that severe infection or sepsis, including Group A streptococcal sepsis (GAS), can occur within the first few days after Miudella is inserted. Instruct her to contact a healthcare provider immediately if she develops severe pain or fever shortly after Miudella is inserted, as untreated sepsis can result in death [See Warnings and Precautions (5.5)].
Pelvic Infection: Advise the patient about the possibility of pelvic infections, including PID, after insertion of Miudella and that these infections can cause tubal damage leading to ectopic pregnancy or infertility, or infrequently can necessitate hysterectomy, or cause death. Teach patients to recognize and report to their healthcare provider promptly any symptoms of pelvic infection. These symptoms include development of menstrual disorders (spotting or prolonged or heavy bleeding), unusual vaginal discharge, abdominal or pelvic pain or tenderness, dyspareunia, chills, and fever. [See Warnings and Precautions (5.6)].
Perforation and Expulsion: Advise the patient that the IUS may be expelled from or perforate the uterus and instruct her on how she can check that the thread ends still protrude from the cervix. Inform her that excessive pain or vaginal bleeding during Miudella placement, worsening pain or bleeding after placement, or the inability to feel Miudella strings may occur with Miudella perforation and expulsion. Caution her not to pull on the thread ends and displace Miudella. Inform her that there is no contraceptive protection if Miudella is displaced (for example, expelled or perforated through the uterus). If perforation resulting in displacement occurs, Miudella will have to be located and removed; surgery may be required. Instruct the patient to contact her healthcare provider if she cannot feel the thread ends and to avoid intercourse or use a non-hormonal back-up birth control (such as condoms or spermicide) until the location of Miudella has been confirmed [See Warnings and Precautions (5.7, 5.8)].
Bleeding Pattern Alterations: Advise patients that heavier or longer periods and spotting between periods may occur. Instruct patients to report continued or severe symptoms to their healthcare provider [See Warnings and Precautions (5.10)].
Magnetic Resonance Imaging (MRI) Safety Information: Inform patients that Miudella can be safely scanned with MRI only under specific conditions. Instruct patients who will have an MRI to tell their healthcare provider that they have Miudella. [See Warnings and Precautions (5.11)].
Medical Diathermy: Instruct patients to tell their healthcare provider that they have Miudella prior to undergoing medical diathermy [see Warnings and Precautions (5.12)].
Clinical Considerations for Use and Removal:
NDC: 82686-300-01
Miudella
intrauterine copper contraceptive
Important: To be inserted in the uterus by a trained heathcare
provider by carefully following the insertion instructions.
Rx Only
ONE (1) STERILE UNIT: INTRAUTERINE USE
Contents: One (1) sterile packaged
system containing one intrauterine
copper contraceptive with approximately
175 mm
2of copper surface area,
preloaded in a single-use disposable
inserter. A Patient Information Booklet
is provided with each unit.
Ensure the Patient Information Booklet is
provided to the patient and review
contents prior to placement.
Insert MIUDELLA before the expiration
date printed on this box.
MIUDELLA
copper intrauterine device |
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Labeler - Sebela Women's Health Inc. (118630007) |
Mark Image Registration | Serial | Company Trademark Application Date |
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![]() MIUDELLA 90787647 not registered Live/Pending |
Sebela Pharmaceuticals, Inc. 2021-06-22 |