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Romiplostim preparation and distribution in ready to administer weekly syringes to patients

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European Statement

Production and Compounding

Author(s)

BELEN SANCHEZ PASCUAL, IRENE SALVADOR LLANA, ANA MARIA MARTIN DE ROSALES CABRERA, MONTSERRAT PEREZ ENCINAS

Why was it done?

Romiplostim should be administered once weekly as a subcutaneous injection. The initial dose is 1µg/kg. According to platelet response (PR) the dose should be increased until the patient achieves platelet count over 50,000 platelets/µL(maximum dose=10µg/kg). In order to maintain durable PR, weekly doses of romiplostim are prescribed and adjusted every 4-6weeks. Although patients could be trained for the injection preparation, many had reported difficulties to understand instructions and calculations of concentrations/volume. Romiplostim vials have a significant overdose to ensure the extraction of the declared amount. The actual content of the 250µg vial was found to be 360 µg (110µg excess). The 500µg vial contents 600µg. In addition, patients should discard the unused part. The aim is to centralise the preparation/distribution of individualised weekly doses of romiplostim for each patient in RtA syringes that allows them to receive the correct dose and to maximise the use of vials.

What was done?

We develop a procedure for the preparation and distribution of individualised weekly doses of romiplostim prepared in the sterile preparation area in prefilled syringes Ready to Administer (RtA) by the patient.

How was it done?

The Pharmacy service (PS) prepares the individualised doses in syringes RtA in a laminar-flow cabinet. The waste of the vial is kept to be reused.
The main obstacle is the increase in the volume of daily preparations in the PS due to dose individualisation. This obstacle is overcome with fluid communication with the Haematology service that reports prescriptions with a duration of up to 21 days (if the patient´s control is adequate).

What has been achieved?

From the past 3 years (2019-2021), we prepared individualised syringes for 36 patients. The centralised preparation reduces unused romiplostin waste allowing a cost saving of near 50% of drug spending. Specifically, in this 3-year period, €385,759.00 were saved.

What next?

Preparation of RtA syringes of romiplostim under sterile conditions in a laminar-flow cabinet helps patient’s auto-administration (since is an easier dispositive) and allows for greater use and significant economic savings. It is a process that can be easily extrapolated to any PS. Next step would be to carry out stability studies in order to be able to work further in advance and allow to space out hospital visits of well-controlled patients.

25% sodium thiosulphate in the topical treatment of calciphylaxis

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European Statement

Production and Compounding

Author(s)

VIRGINIA PUEBLA GARCIA, MARIA MOLINERO MUÑOZ, ANA ANDREA GARCIA SACRISTAN, JAVIER CORAZON VILLANUEVA, LIDIA YBAÑEZ GARCIA, NATALIA SANCHEZ-OCAÑA MARTIN, PALOMA PASTOR VARA, MARIA FERNANDEZ-VAZQUEZ CRESPO, JOSE MANUEL MARTINEZ SESMERO

Why was it done?

Calciphylaxis is a vascular disorder characterised by the accumulation of calcium in the small blood vessels of the skin and adipose tissue. There is an imbalance in calcium metabolism which causes calcium to be deposited in the arterioles favouring thrombosis in the residual lumen of these vessels. It presents with severe painful skin lesions which progress to ulcers. It mostly affects patients on renal replacement therapy.

What was done?

To describe the making process of a 25% sodium thiosulphate ointment (ST25%) requested by the Nephrology Department as an off-label use for the topical treatment of calciphylaxis in a patient who was unable to use intravenous sodium thiosulphate (ST) due to haemodynamic instability.

How was it done?

We initially performed an online literature search of databases related to raw materials and excipients, experience of use with formulas prepared by other hospitals as well as articles related to calciphylaxis.
For the production and quality control, the Standard Operating Procedure (SOP) for ointments described in the National Formulary was followed. To establish the risk level of the preparation and the expiry date, a risk matrix was used according to the Guide to Good Pharmacy Preparation Practice (GBPP).

What has been achieved?

It was decided to make a ST25% ointment. Composition for 100 g: ST 25 g (active ingredient), glycerine 10 g (humectant, cosolvent), pure lanolin 32.5 g and white filmy petrolatum 32.5 g (vehicles).
Production: the ST crystals were pulverised in a mortar. Glycerine was gradually added on top of the ST until a uniform whitish paste free of crystals was formed. At the same time, lanolin and filmy petrolatum was mixed in the final container with the help of an emulsifier. Finally, the paste formed with ST and glycerine was added to the lanolin-Vaseline mixture and stirred in the emulsifier until a homogeneous ointment was obtained.
A yellowish ointment with a homogeneous appearance, oily texture and no crystals was obtained.
Expiry date: 30 days after opening. Low-risk preparation.

What next?

Calciphylaxis could be treated after intolerance to intravenous sodium thiosulphate by developing an ointment. The pharmacist through magistral formulation can provide pharmaceutical alternatives in situations where the use of commercially available medicines is not possible.

Initiative to introduce database of compounded pharmacy preparations at the University Hospital Centre Zagreb

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European Statement

Production and Compounding

Author(s)

Mateja Ljubičić, Mirela Sadiković Tvorić, Mirela Ganza, Mirna Alebić

Why was it done?

Minimising quality and safety differences between commercially available medicines and compounded pharmacy preparations depends on the pharmacists’ professional education and skills. The purpose of this initiative is to specify the most common pharmacists’ adjustments of the commercially available medicines and to determine the level of quality assurance and safety measures which should be applied to the hospital pharmacy throughout planning the procurement of installations and equipment.

What was done?

Our existing computer system does not have the ability to provide information on the compounded pharmacy preparations made in the hospital pharmacy from raw material or commercially available medicines. We have introduced a database for keeping up-to-date records of pharmacy preparations compounded by pharmacists for special needs of paediatric population in the University Hospital Centre Zagreb in a period of 6 months.

How was it done?

The following information on pharmacy preparations were added to the new database: dosage form, dosage strength, shelf life and serial number of the commercial drug or raw material that was used; patient data: name and hospital department unit; and identification of the pharmacist. Data was structured as presented in Table 1. and Table 2.
Pharmacists’ adjustments Total Number
dosage strength Oral divided powders (DPs) 628
dosage form Extemporaneous oral liquids 473
In total 1101
Preparations with HD Aseptic processing Containment Complexity of process
0.05% Cyclosporine eye drops + + 2
1% 5-FU eye drops + + 2
1% Voriconazole ear drops – + 1
Vemurafenib DPs – + 1
Imatinib DPs – + 1
Capecitabine DPs – + 1
Hydroxycarbamide oral suspension – + 1
Tretinoin oral solution – + 1

What has been achieved?

Keeping up-to-date records improved the traceability inpatient care and reduced the incidence of adverse events. Specific requirements for procurement of equipment for aseptic processing and containment of Hazardous Drug (HD) were successfully recognised.

What next?

Harmonisation of standards of pharmacy preparations throughout the country could be enabled by creating a national portfolio of preparations from all hospital pharmacies. This initiative of creating an overview of the pharmacy preparation practice should be considered in other hospitals to guide the pharmacy departments in the developing quality assurance programme.

DEVELOPMENT OF A PROTOCOL TO STANDARDISE CELL-BASED MEDICINAL PRODUCTS HANDLING IN AN ONCO-HAEMATOLOGY CLINICAL TRIALS UNIT

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European Statement

Patient Safety and Quality Assurance

Author(s)

JOSE MANUEL DEL RIO GUTIERREZ, EUGENIA SERRAMONTMANY MORANTE, SARA GIMENEZ GINER, PILAR ROVIRA TORRES, PATRICIA GARCIA ORTEGA, CARLOTA VARON GALCERA, ISABEL CIDONCHA MUÑOZ, MARIA QUERALT GORGAS TORNER

Why was it done?

One of the most important challenges we currently face is the increase of clinical trials (CTs) including CBMPs. These drugs require special storage, preparation, delivery and administration; so developing standard operating procedures (SOPs) and ensuring proper coordination between all professionals involved, including pharmacists, is essential.

What was done?

Management of cell-based medicinal products (CBMPs) was protocolised in an onco-haematology clinical trials unit.

How was it done?

Pharmacists, doctors and nurses participate in a multidisciplinary team to standardise CBMPs handling. The following protocol was agreed:
1.The entire multidisciplinary team is notified when a CBMP prescription is planned to ensure proper coordination.
2.The CBMP is manufactured by the CT sponsor. Then, it is transferred to the blood bank for cryopreservation. CBMPs usually require a temperature between -80ºC and -200ºC and expire in some weeks.
3.Before CBMP administration, patients undergo lymphodepletion. The lymphodepletion regimen is performed according to the CT protocol or arranged between medical and pharmacy teams. Chemotherapy, serum therapy and antiemetic regimen are discussed and specified.
4.Once the treatment is prescribed, it is verified by a pharmacist who ensures its suitability.
5.On the infusion day, the blood bank delivers the CBMP. Then, a pharmacist checks if it arrives in proper condition and it is defrosted. The pharmacy department reconditions the CBMP in another infusion bag or syringe if required. This is the most critical point because CBMP expires after some minutes of defrosting, requiring extensive coordination.
6.CBMP is administered according to the CT protocol.

What has been achieved?

72 patients were recruited in 15 CT. 8 of them use as CBMP Chimeric Antigen Receptor T-Cells (CAR-T-CELLS), 4 Specific Peptide-Enhanced Affinity Receptor T-Cells (SPEAR-T-CELLS), 2 Tumour-Infiltrating Lymphocytes (TILs) and one cytokine-stimulated Natural-Killer-Cells (CS-NK-CELLS). Seven assays are intended for haematological neoplasms and eight for solid malignant neoplasms. One assay requires CBMP syringe reconditioning in the pharmacy department.
The described process optimises CBMPs handling, avoids delays in administration and reduces the risk of misuse.

What next?

CBMPs represent a novel therapy, and pharmacists have an essential role in developing new procedures to incorporate them into clinical practice. This protocol may be helpful for other centres to implement guidelines to work with CBMPs.

Added value of centralised compounding of vaccines against SARS-CoV-2 in Hospital Pharmaceutical Services – a quantitative analysis

European Statement

Production and Compounding

Author(s)

Rui Relvas, Rui Pedro Marques, Ana Castro, Sérgio Nobre, João Paulo Lopes da Cruz

Why was it done?

Medicines compounding by the HPS-staff is a primordial activity, and its centralisation allows several benefits in levels such as patient safety, quality, efficiency, and pharmacoeconomics. Despite this recognised importance, it is not always possible to quantify its added value. The fact that vaccines against SARS-CoV-2 are supplied in multi-dose vials and the need to prepare and assure enough doses to vaccinate a broad population presented itself as an excellent opportunity to analyse such indicators.

What was done?

A quantitative analysis of the importance and added value of centralised preparation and compounding of vaccines against SARS-CoV-2 at the Hospital Pharmaceutical Services’ (HPS) Compounding Unit from a Central Hospital in Portugal.

How was it done?

Between 27th December 2020 and 2nd August 2021, 13.030 doses were prepared (96.9% Pfizer/BioNTech; 3.1% AstraZeneca). At the first 3 vaccination sessions, multi-dose vials were diluted at the HPS, and each syringe measured by the nursing-staff previously to the administration.
After these initial sessions, each dose started to be individualised by the HPS-staff on pre-filled, ready-to-use syringes. Each vaccine dose was individualised on a horizontal laminar flow cabinet according to a previously approved operational procedure.
Reception, preparation, and dispensation records were retrospectively analysed. Key performance indicators were quantified.

What has been achieved?

During the first 3 sessions of vaccination, when nursing-staff measured each vaccine volume, a total of 1640 doses were administered. However, it would be possible to measure a total of 1932 doses (84,9%). The daily maximum of people vaccinated was 770.
In the following sessions was possible to prepare 11.390 doses, with a theoretical maximum of 10.892 (104,6%) and a daily maximum of 1.113.
This yield, over 100%, allowed an excess of 498 doses, which translated into the vaccination of 249 extra individuals fully vaccinated with the 2 doses. Factors like needle and syringe selection and preparation beyond an aseptic and validated environment contributed for the yield increase.

What next?

Series-production of compounded medicines in a sterile, validated, and controlled environment allows important benefits and this analysis shows the potentiation of every key performance indicator considered. These data should be considered for the future planning of population-wide activities involving the massive preparation of sterile medicines.

Renewal in pharmaceutical compounding sterile preparations circuit in Pharmacy Service

European Statement

Production and Compounding

Author(s)

PILAR RANZ ORTEGA, MARÍA ARRIETA LOITEGUI, DANIEL GONZALEZ ANDRES, ANA MARÍA AGUI CALLEJAS, MARIA TERESA POZAS DEL RIO

Why was it done?

– Optimize the workflow:Nursing staff are independent in final product quality control.Dissapear the manual register of compounding sterile preparations.Fewer mixtures are discarded.Also in Pharmacy Service only elaborate the sterile preparations with an economic and safety impact.

– Improve the safety of drug administration in pediatric patients: there are ready-to-use commercial parenteral presentations, which can lead to errors when dosing per kilo,fe: enoxaparin…

– Optimize economic savings:all excess vials are reused

What was done?

Previously,some parenteral drugs were compounded at Pharmacy Service.The rest of the vials were discarded daily,so the pharmacist had to anticipated some elaborations not to throw,so then some were suspended.
Also, the pharmacists done the final product quality control,it could be delayed the dispensing and specially when it´s necessary to repeat the mixture.

The changes were:

– Re-selection of the parenteral drugs compounded at Pharmacy Service by:
• Economic criterio:the cost of drug has to be >20 euros/vial
• Safety for the pediatric patient:redose individually parenteral drugs “readytouse”

– Review the storage conditions:physicochemical (technical data sheet drug,Stabilis web) and microbiological stability (Good practices for preparation drugs in hospital pharmacy services publised by Spain Goverment) of all parenteral drugs previously selected.Although the physicochemical stability is higher,the final stability will be limited by the microbiological stability and the risk level microbial contamination(USP 2004).

– Standard Operating Procedures with structured and updated information

– Reuse of partially used multi dose vials:we reviewed the physicochemical and microbiological stability of open vial

– Final product quality control by nursing staff

– Save time to pharmacist:daily scheduling instead of anticipated elaboration of sterile preparations

How was it done?

– A nurse involved in the circuit change giving her feedback on the changes

– Traceability of the rests of the vials:stickers are affixed to the opened vials indicating the reconstitution data and the expiration date

– Final product quality control should be done by a diferente nurse to elaborated to detect potencial errors

What has been achieved?

The total cost savings for this year is 295.778€. After the circuit´s change, the savings have increased by 55% for liposomal amphotericin b, 51% defibrotide, 24% micafungin.

What next?

Compounding sterile preparations individualized in Pharmacy Service to patients hospitalized at home, transplanted of hematopoietic progenitors and immunocompromised

INTEGRATION OF A ROBOT INTO THE EXISTING WORKFLOW OF THE CYTOSTATIC DRUGS DEPARTMENT IN A HOSPITAL PHARMACY (submitted in 2019)

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European Statement

Production and Compounding

Author(s)

Swantje Eisend, Herwig Heindl, Karen Tiede, Sven Jirschitzka

Why was it done?

Definition of an organisational structure for the best implementation of APOTECAchemo technology in the UKSH hospital pharmacy workflow

What was done?

The implementation of robotic systems for aseptic compounding cytotoxic drugs requires a specific workflow organisation in the hospital pharmacy to ensure an optimal combination of manual and automated production as well as the effective use of the technology. Since 2017, the APOTECAchemo robot has been installed in the hospital pharmacy and one of the first objectives was to create an organisational structure that would allow successful integration of the system into the existing workflow of the cytostatic department.

How was it done?

The pharmacy has carried out an analysis to identify the active substances that can best be transferred into automated production based on 4 main points: • Pharmaceutical form of the active ingredients: liquid or powder; • Average of vials needed for the compounding of one preparation for each active ingredient; • Average of ml of medication required for the compounding of a preparation associated with each specific active ingredient; • Robot compounding speed. In addition, the pharmacy has also tried to identify the optimal organisation of personnel and daily workflow for the automated compounding. The effectiveness of these measures and the work organisation defined have been evaluated through an intensive compounding week in April 2018.

What has been achieved?

The analysis of the active substances and the data collected during the “Robotic Intensive Week” showed the following results: • 42% of the total production was operated by APOTECAchemo; • 87% of active ingredients was handled by APOTECAchemo; • average of 60 preparations per day (with an actual working time of 5 hours);  average of 12 preparations per hour.

What next?

The study shows that the planning and organisation of the workflow plays a central role in the implementation of a robot solution in a hospital pharmacy. Through the work carried out, the hospital pharmacy has successfully integrated automated and manual production.

IMPLEMENTATION OF INDIVIDUAL, HOSPITAL PHARMACY-COMPOUNDED NEONATAL TPN

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European Statement

Production and Compounding

Why was it done?

Individual total parenteral nutrition (TPN) for neonates was originally compounded by nursing staff on the respective wards. This process of TPN compounding was error-prone. Documentation and traceability was inadequate. Clean room conditions were absent. By transferring the compounding of TPN from the ward to the pharmacy level, several aims were accomplished. Time of nursing staff was released and the highest quality standards for compounding were implemented. By doing so, several types of errors (e.g. overdosing, wrong additives) were eliminated.

What was done?

Development and implementation of nutrition support protocols by using an electronic prescribing and compounding software (catoPAN™) to address the special needs of neonates and ensure a high level of individualized care.

How was it done?

In cooperation with neonatologists, nutrition protocols were developed. Furthermore, a TPN compounding process was implemented and validated, including the validation of catoPAN™ software and compounding pumps. An integrated risk analysis was performed, stability data to allow TPN supply for weekends were generated and fail-safe procedures were determined. To finally succeed, various process and organizational changes concerning the wards, the production and the QC department of the hospital pharmacy were required.

What has been achieved?

Compounding of individualized nutrition solutions within defined standards, predetermined specifications and quality attributes is implemented. The production process is continuously monitored, including complete traceability. A strong interprofessional collaboration between physicians, nurses and pharmacists was established, ultimately leading to a high level of confidence among all members. Workload of nurses in terms of compounding medicines was dramatically reduced.
Currently, we provide nutrition bags for four wards (24 ICU- and 30 intermediate care beds), equaling an average production of 50 bags per day. In 2016, a total of 11.126 bags were supplied, implying an increase of 75% compared to 2015. We expect an increase of around 30% in 2017 due to rising demand.

What next?

With the expansion of TPN compounding to further pediatric wards, new nutrition protocols addressing other requirements have to be developed. Process changes are likely to follow. Further support can be provided by pharmacy-based IV admixture service. Additionally, due to current software updates, the prescribing and compounding software catoPAN™ must continually be revalidated.

COMPUTERIZED QUALITY CONTROL OF THE TABLET SPLITTING PROCESS

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European Statement

Production and Compounding

Author(s)

María Lourdes Recio Blázquez, Alberto Pérez Morales

Why was it done?

It was necessary to establish a quality control of this pharmaceutical process.

What was done?

A computer method of gravimetric quality control of the tablet splitting process was designed.

How was it done?

The procedure consists on a precision scale connected to a computer in which, according to the uniformity of mass assay of the European Pharmacopoeia, the weights of 20% of a batch of whole tablets destined to be split are automatically recorded in a spreadsheet, carrying out the following formulas:
=AVERAGE: provides the average weight of the sample of whole tablets.
=MAX and =MIN: selects respectively the largest and the smallest of the weights.
=STDEV: calculates the standard deviation of the sample weights.
With the average weight of the whole tablets, the theoretical weight of the half-tablets is calculated, establishing a maximum and a minimum admissible limit with the following formulas:
=AVERAGE(whole tablets)/2: determines the theoretical average weight of each half-tablet.
=AVERAGE(whole tablets)/2 ± 7.5%: establishes upper and lower gravimetric limits that cannot be exceeded by any half-tablet.
All the half-tablets need to be weighted, as the tablet-splitting process is carried out tablet-by-tablet and this modus operandi is not reproducible enough. In case of non-compliance with maximum and minimum weight criteria, the half-tablet must be discarded.
Conditional functions were established such that the spreadsheet itself reflects the half-tablet acceptance/rejection decision.
Basic technical computer skills, training in the technique of tablet splitting, appropriate clothing and environmental measures to avoid risks to the operator and the medications are required.

What has been achieved?

Since 2015, two different medicinal products were subjected to the tablet splitting technique. A total of 10,536 halves of suitable tablets were obtained, which permitted safe dosing at lower doses than commercialized, and also generated a financial asset of 101,724 Euros. 566 halves were discarded. The splitting efficiency was of 94.9%.

What next?

This quality control procedure is applicable to all divisible solid oral dosage forms. The standardization of the technique and the quality controls will allow to extend it to other medicinal products with dosing and economic purposes.

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