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Market Availability & Pricing

Kollidon® VA 64 is a commercialized product by BASF and available through authorized distributors. It is a white or slightly yellowish, free-flowing powder with a faint characteristic odor and practically no taste. The product is manufactured in Germany and available in various package sizes.

A special grade of the product, Kollidon® VA 64 NT, is scheduled to be available for order starting July 1, 2025.

Pricing information for Kollidon® VA 64 can be obtained upon request from BASF or authorized distributors.

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The spelling variants listed below correspond to different ways the product may be referred to in scientific literature.
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174 protocols using «kollidon va 64»

1

Formulation Development and Analysis

2025
Carvedilol, nifedipine, potassium phosphate
monobasic (KH2PO4), potassium phosphate dibasic
(K2HPO4), mucin from porcine stomach (Type III),
ammonium dihydrogen phosphate (NH4H2PO4), dimethylformamide, acetonitrile (HPLC grade), and sodium hydroxide
pellets (NaOH) were purchased from Fisher Scientific. Ultrapure water
(18 MΩ) in-house station was obtained from Millipore Sigma.
Hydroxypropyl methylcellulose (Benecel E4M PHARM, HPMC) was provided
by Ashland, Inc., polyvinylpyrrolidone-vinyl acetate copolymer (Kollidon
VA 64) was provided by BASF. The chemical structures of Carvedilol,
nifedipine, and polymers are shown in Figure 1. The structure of mucin is highly complex,
but a representative structure of the O-linked mucin glycopeptide
is shown in Figure 1.
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2

Solubility Enhancement of Piroxicam

2025
The active ingredient used in the study was Piroxicam sourced from Medex, Rugby, UK. The polymer carrier employed was Kollidon® VA64 (PVPVA), generously provided by BASF, Ludwigshafen, Germany. The Piroxicam was utilized in its original form as a white powder with crystal structure identified as anhydrous I (AHI), confirmed through powder X-ray diffraction (PXRD) and Raman analysis. Thermal analysis revealed Piroxicam’s experimental glass transition (Tg) at 60 °C, melting point (Tm) ranging between 198 and 202 °C, and a notable weight loss (degradation) with onset observed at 215 °C. According to the biopharmaceutics classification system (BCS), Piroxicam falls under class II, indicating poor water solubility, specifically 23 mg/mL at 22 °C [33 (link),34 (link)].
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3

Carvedilol Formulation Development and Characterization

2024
Carvedilol (99.67%) was purchased from Dacon Natural Products (Beijing, China). Kollidon® VA-64 (copovidone), Soluplus® (Poly(vinyl caprolactam-covinylacetate-ethylene glycol) graft polymer) and Kolliphor® RH40 (PEG-40 Hydrogenated Castor Oil) were received from BASF SE (Ludwigshafen am Rhein, Germany). Capmul® MCM EP (Glycerol Monocaprylocaprate Type I EP) was provided by Abitec Corp (Janesville, WI, USA). Transcutol® (diethylene glycol monoethyl ether) and Labrafac® lipophile WL 1349 (medium chain triglycerides) were received from Gattefossé (Saint-Priest, France). The same raw materials and formulation compositions as listed in Table 4 were used as previously [11 (link)].
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4

Formulation and Characterization of ETD Delivery System

2024
Materials were obtained from commercial sources. ETD was supplied from Xi’an Health Biochemical Technology Co. (Xi’an, China). Kollidon 25 (polyvinylpyrrolidone, PVP) and Kollidon VA 64 (polyvinylpyrrolidone-polyvinyl acetate copolymers, PVP/VA) were provided by BASF (Burgbernheim, Germany). Pharmacoat 606 (hypromellose) was obtained from Shin-Etsu Chemical Co. (Niigata, Japan) and Poloxamer 407 (poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol)) from Sigma Aldrich (Steinheim, Germany). Urea, mannitol, and potassium dihydrogen phosphate were provided by Chempur (Piekary Sląskie, Poland), and disodium hydrogen phosphate by P.P.H. Stanlab (Lublin, Poland). Water for HPLC analysis was prepared by a Milli-Q Reagent Water System (Millipore, Billerica, MA, USA), and purified water by the reverse osmosis and deionization method (apparatus type WCR-RO10-DPS, Cobrabid-Aqua, Warszawa, Poland). Acetonitrile (J.T. Baker, Deventer, The Netherlands) was of HPLC grade, and other chemicals were of analytical grade.
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5

Copovidone-Based Surfactant Extrusion

2024
Copovidone (Kollidon VA64, BASF) was first granulated with each of Vitamin E TPGS (D-α-Tocopherol polyethylene glycol succinate, Gattefosse) and Tween 80 (Polysorbate 80, Merck KG, Darmstadt, Germany) surfactants using a Thermomix (Vorwerk), followed by sieving with 1 mm mesh. Mixtures with surfactant loadings of 3, 5, 7 and 9 wt% were then prepared. The sieved binary mixtures were extruded using a Rondol MicroLab 10 mm Twin Screw extruder (Rondol Technology Ltd, UK) at 200 rpm screw speed. Extrusion was performed at 180 °C with a feed rate of 80 to 120 g/h. The melt temperature at the die was measured by an infrared camera (Optris PI 200, Optris GmbH, Germany) and the recorded temperature was 182.5 ± 2.0 °C. The extrudate samples were milled 3 times for 10 s each using the IKA A10 Basic Mill (IKA-Werke) and subsequently passed through a Kressner sieve with a 250 µm mesh size.
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