Synonym |
Butyryl1,Tyr(Me2)1-Carbaoxytocin |
Species |
Human |
Protein Accession |
P01178 |
Purity |
Greater than 95% as determined by SEC-HPLC |
Endotoxin Level |
Less than 1.0 EU per μg of the protein |
Biological Activity |
Fully biologically active when compared to standard. The ED50 as determined by a cell
proliferation assay using balb/c 3T3 cells is less than 2 ng/ml, corresponding to a specific
activity of > 5.0 × 10^5 IU/mg. |
Expression System |
E. coli |
Fusion Tag |
N/A |
Predicted Molecular Mass |
10800 Da |
Formulation |
Lyophilized from a 0.2 µm filtered solution in Acetonitrile and TFA |
Reconstitution |
It is recommended to reconstitute the lyophilized Carbetocin in sterile 18 MΩ-cm H2O not less
than 100 µg/ml, which can then be further diluted to other aqueous solutions. |
Storage & Stability |
Lyophilized Carbetocin although stable at room temperature for 3 weeks, should be stored
desiccated below -18°C. Upon reconstitution Carbetocin should be stored at 4°C between 2-7 days
and for future use below -18°C. For long term storage it is recommended to add a carrier protein
(0.1% HSA or BSA). Please prevent freeze-thaw cycles. |
FAQ
What is Carbetocin, and how does it work in the body?
Carbetocin, a synthetic analogue of
oxytocin, is primarily used to prevent postpartum hemorrhage by stimulating uterine contractions. It
mimics the natural hormone oxytocin, which is released during childbirth to induce labor and facilitate
breastfeeding. Carbetocin binds to oxytocin receptors in the uterine muscle, enhancing uterine tone,
thereby reducing bleeding risk after a cesarean section or vaginal delivery. Unlike oxytocin, Carbetocin
has a prolonged half-life, leading to sustained effects and reducing the need for multiple dosages. This
makes it particularly advantageous in medical settings where immediate and prolonged uterine contraction
is necessary to prevent severe blood loss. Its mechanism of action involves increasing intracellular
calcium in the uterine cells, which leads to stronger and more coordinated uterine contractions. This
action mimics the natural increase in uterine activity that helps with the delivery of the placenta and
further reduces postpartum bleeding. Carbetocin’s effectiveness is broadly supported by clinical
studies, showing it to be as effective, if not more, than oxytocin in preventing postpartum hemorrhage.
The effectiveness of Carbetocin, along with its ease of administration – typically via a single
intramuscular or intravenous injection – allows it to be a valuable tool in maternity care settings.
Above all, it simplifies postpartum care by reducing the need for a continuous oxytocin infusion,
minimizing hospital staff workload, and providing less discomfort for new mothers. Additionally, its
profile suggests a reduced risk of water intoxication, a rare but potential side effect associated with
other oxytocin derivatives. Thus, Carbetocin represents a critical advancement in obstetrics, ensuring
maternal safety and improving recovery times post-delivery, solidifying its role in modern obstetric
protocols.
Who can benefit from Carbetocin administration after childbirth?
Carbetocin is
primarily intended for women who have just given birth and are at an elevated risk of postpartum
hemorrhage, especially after cesarean sections. For these women, immediate uterotonic support is crucial
to quickly reduce bleeding risk, which can otherwise lead to life-threatening conditions. Clinical
guidelines often recommend Carbetocin for its efficacy in reducing significant blood loss more
efficiently compared to traditional oxytocin treatments. In areas where healthcare resources are
limited, Carbetocin’s single-dose treatment protocol is particularly beneficial, reducing the logistical
burden on healthcare supplies and medical personnel. New mothers, especially those who have undergone a
cesarean section, stand to benefit as this can significantly enhance their recovery phase, allowing them
to focus more effectively on postpartum bonding with their newborns without the added stress and
complications of critical blood loss management. The benefits of Carbetocin extend beyond the immediate
physical health of mothers. Hospitals and maternity units incorporating Carbetocin into their routine
obstetric care can experience smoother postoperative recovery processes and improve overall maternal
health outcomes. Women with known risk factors for excessive bleeding such as obesity, multiple
gestations, or long labor hours, when treated with Carbetocin, can experience a reduced need for further
medical interventions, thereby lowering the risk of additional complications such as infections or the
necessity for blood transfusions. Furthermore, in communities where anemia in postpartum mothers is
prevalent, Carbetocin would be an optimal choice as it aids in conserving maternal blood volume during a
period when iron deficiency can be exacerbated by significant blood loss. This comprehensive approach
therefore supports both immediate and long-term maternal health, making Carbetocin particularly
beneficial in settings where accessible healthcare can make a significant difference to mother and baby
post-delivery.
Are there any side effects associated with Carbetocin?
Like any medical
treatment, Carbetocin administration can come with potential side effects that should be monitored and
managed by healthcare professionals. The profile of side effects is generally mild to moderate and
comparable to those experienced with oxytocin, its natural counterpart. The most common side effects
include sensations of warmth or flushing, headaches, nausea, or vomiting, which tend to be transient and
resolve without intervention. Some women might experience abdominal pain due to the increased uterine
contractility; however, this is typically expected and indicative of the drug’s therapeutic action. In
rare instances, a more significant increase in heart rate or a drop in blood pressure might be observed,
requiring careful monitoring, particularly in settings where intravenous administration is involved.
There are also reports of mild dizziness and fatigue, which can occur as the body adjusts to the drug.
Importantly, unlike its predecessor oxytocin, Carbetocin poses a limited risk of water intoxication
syndrome given its reduced antidiuretic effect. As with any uterotonic drug, allergic reactions can
happen, though cases are exceptionally rare. Such reactions can include skin rash, itching, or in severe
cases, anaphylaxis, which necessitates immediate medical intervention. It's crucial for healthcare
providers to have a comprehensive patient history to discern any previous hypersensitivities towards
synthetic peptides. Another important consideration is in women with existing cardiovascular conditions
or those who are on concurrent medication regimens that might interact adversely with Carbetocin, as its
hemodynamic effects could exacerbate underlying conditions. The meticulous attention by health
professionals in these scenarios ensures that the benefits of Carbetocin significantly outweigh its
risks, providing a controlled and effective solution to the risk of postpartum hemorrhage. Despite its
side effects, Carbetocin remains an essential drug in obstetrics owing to its effective profile and
increased practicality as compared to older uterotonic agents.
How does Carbetocin compare to
traditional methods for preventing postpartum hemorrhage?
Carbetocin represents a significant
advancement over traditional methods such as oxytocin in the prevention of postpartum hemorrhage. A
primary advantage of Carbetocin lies in its formulation which allows a single dose to exert effects that
last longer compared to traditional multi-dose regimens required with oxytocin. This consistency in
uterotonic effect enhances its practicality and reliability, simplifying ongoing care for new mothers
and expediting postpartum recovery. The efficiency of a one-time injection places less burden on
healthcare providers, allowing more resources and attention to be directed toward other critical aspects
of maternal care. Additionally, Carbetocin’s extended half-life translates to fewer incidences of
secondary uterine atony, which is essential in reducing the risk of excessive bleeding post-delivery.
This continuity contributes to improved maternal outcomes and has been shown to decrease the need for
additional medical interventions such as blood transfusions, contributing to overall healthcare
cost-effectiveness. From a pharmacological perspective, Carbetocin reduces the risk of water
intoxication, commonly associated with the prolonged use of oxytocin due to its antidiuretic effect.
Studies comparing Carbetocin to other uterotonics have highlighted its superior safety and efficiency
profile, often concluding that patients treated with Carbetocin require less additional uterotonic
support post-administration. These factors make Carbetocin not only a more effective option for
immediate postpartum hemorrhage management but also a more patient-friendly choice, enabling mothers to
recover in a more stable and less intrusive manner. From a global health perspective, particularly in
low-resource settings, the reduced need for cold chain storage enhances Carbetocin’s applicability in
more remote and rural healthcare scenarios, where maintaining stringent pharmaceutical storage
conditions might be challenging. As the medical community continues to prioritize improved maternal
health outcomes, the adoption of Carbetocin as a vital component of postpartum hemorrhage protocols
underscores significant strides in maternal care innovation.
In what settings is Carbetocin most
effectively used?
Carbetocin shines brightest in settings where efficient postpartum care and
resource management are essential. It's particularly well-suited to hospitals, clinics, and birthing
centers aiming to streamline maternal care during the critical postpartum period. This is especially
pivotal in high-volume hospitals where rapid patient turnover and management are necessary for
maintaining optimal healthcare delivery standards. For cesarean sections, where the risk of postpartum
hemorrhage is notably higher, Carbetocin becomes indispensable due to its potent and sustained
uterotonic effects. In rural or under-resourced healthcare settings, Carbetocin offers distinct
advantages because its administration regime requires less monitoring and fewer follow-up interventions
compared to traditional methods such as oxytocin drip. This minimizes logistical burdens on medical
staff and allows for better allocation of healthcare resources. Furthermore, Carbetocin’s stability at
room temperature significantly benefits areas where maintaining a cold chain can be a logistical
challenge, ensuring that the drug remains effective even in environments with less controlled storage
conditions. In emergencies where immediate postpartum hemorrhage management is critical, Carbetocin
provides a reliable solution that works swiftly, ensuring that healthcare practitioners can focus on
additional pressing maternal and neonatal care without being concerned about continuous uterotonic
interventions. Additionally, its adoption in birthing centers focused on mother-centric labor and
delivery plans aids in facilitating a more supportive, intervention-light childbirth experience. By
utilizing Carbetocin’s strengths, these centers can pursue a less medically intrusive approach while
ensuring immediate and effective postpartum care. Finally, Carbetocin is also pivotal when preparing
response strategies for humanitarian or disaster-relief healthcare locations, where rapid deployment and
practicality of medical resources can make a significant difference. Thus, its utility across a range of
healthcare settings highlights the adaptability and strategic advantage it provides in maternal
care.
What is the impact of Carbetocin on long-term maternal health?
The administration of
Carbetocin has significant positive implications for long-term maternal health by effectively reducing
the risk and impact of postpartum hemorrhage. This immediate benefit lays the foundation for numerous
downstream health advantages for new mothers. By minimizing excessive blood loss during the postpartum
period, Carbetocin significantly decreases the incidence of postpartum anemia, a condition that can
impair a mother's recovery and negatively affect her ability to care for her newborn. Anemic mothers are
often fatigued and may experience decreased cognitive function, limiting their interaction capabilities
with their infants. By preventing this condition, Carbetocin contributes to a healthier postpartum
recovery trajectory. Furthermore, the reduced need for blood transfusions, made possible by Carbetocin’s
efficient hemorrhage control, decreases the mother’s exposure to additional medical risks such as
transfusion reactions or transmissible infections—a critical consideration for long-term health
maintenance. Incorporating Carbetocin into postpartum care helps mitigate psychological stress
associated with significant medical interventions post-delivery, providing a more positive birth
experience and allowing for optimal mother-infant bonding. This psychological well-being is crucial, as
it plays a role in preventing postpartum depression, a common issue for many new mothers that can have
lasting impacts on family health dynamics. By simplifying post-delivery recovery through a single-dose
regimen, Carbetocin ensures mothers can recover their physical health with fewer medical interruptions,
allowing them to focus on adjusting to motherhood and enhancing their overall quality of life. In
addition, by fostering a more recuperative environment postpartum, Carbetocin indirectly supports
breastfeeding success. Mothers who are less fatigued and who have had a more seamless recovery are
generally more successful at establishing and maintaining breastfeeding, which presents long-term
nutritional and immunological benefits to the child, further amplifying the positive health impacts
attributable to Carbetocin’s use. Carbetocin, therefore, plays a pivotal role in short-term hemorrhage
management and boosts a healthier, more sustainable long-term maternal health recovery, promoting
enduring benefits within maternal healthcare paradigms.
Is Carbetocin safe for use during
breastfeeding?
Carbetocin is considered safe for use during breastfeeding, which is critical to
maternal postpartum care. The pharmacokinetics of Carbetocin allow it to effectively manage postpartum
hemorrhage without adversely affecting lactation processes. Carbetocin, being an oxytocin analogue,
supports the natural postpartum physiology that aids lactation, functioning similarly to endogenous
oxytocin, which is a crucial hormone in milk ejection during breastfeeding. After administration,
Carbetocin may facilitate the initiation of successful breastfeeding by reducing the maternal recovery
period linked to managing postpartum hemorrhage, subsequently allowing mothers to establish
breastfeeding routines without significant disruptions. In terms of residues in breast milk, Carbetocin
is present in minimal amounts that are not considered harmful to the infant. Unlike synthetic oxytocin,
which has been used for labor induction and augmentation, Carbetocin does not interfere with the normal
physiological balance needed for breastfeeding once its immediate action in postpartum care is
fulfilled. Therefore, mothers need not interrupt breastfeeding routines upon receiving Carbetocin, which
assures continuity in nurturing maternal-infant interaction vital for child development. Further
clinical evaluations have shown that Carbetocin does not adversely influence the volume of milk produced
or its nutritional content, making it a preferred choice in obstetric care where breastfeeding is
proactively encouraged. This integration of effective hemorrhage management with supportive
breastfeeding outcomes is critical in healthcare environments focused on comprehensive maternal and
child health. Ultimately, Carbetocin encourages a smoother transition for new mothers into the auxiliary
roles breastfeeding demands by securing their physiological stability post-delivery. This dual advantage
underscores Carbetocin’s valuable contribution to postpartum care paradigms, offering new mothers an
integrated approach that harmonizes immediate maternal health needs with long-term nurturing
responsibilities, ensuring both mother and baby’s health are prioritized from the onset of life’s newest
chapter.