【発明の詳細な説明】本発明はインターフェロンを安定に配合した組成物に関
する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to compositions stably containing interferon.
インターフェロンは、ウィルスや二本鎖RNAなどの刺
激によって動物細胞から産生されるウィルス増殖抑制作
用を有するある種の蛋白質であり、その作用は動物種特
異性を有することが知られている。Interferon is a type of protein that is produced by animal cells in response to stimulation by viruses, double-stranded RNA, etc. and has the effect of suppressing the proliferation of viruses, and its effect is known to be specific to animal species.
近年、ヒト細胞由来およびヒトインターフェロン遺伝子
を組み込んだ微生物由来のインターフェロンがヒトの各
種疾病に対して治療効果を示すことがしだいに明らかに
され、その臨床的応用が試みられるようになっている。In recent years, it has become increasingly clear that interferons derived from human cells and microorganisms incorporating human interferon genes exhibit therapeutic effects on various human diseases, and clinical applications are being attempted.
かかるインターフェロンの治療効果から、インターフェ
ロンは医薬品、医薬部外品、化粧品を包含する種々の組
成物に配合する薬効剤として利用できるものと期待され
る。しかし、インターフェロンはきわめて不安定な物質
であり、ことに、臨床的に適用できる程度に精製された
ものは温度(高温)や物理的加圧によってその活性が著
しく減少し、容易に失効する。した;が、って、インタ
ーフェロンの組成物中における安定化を図らないかぎり
、その配合効果は期待でき々い。Because of the therapeutic effects of interferon, it is expected that interferon can be used as a medicinal agent to be incorporated into various compositions including pharmaceuticals, quasi-drugs, and cosmetics. However, interferon is an extremely unstable substance, and in particular, when it is purified to a clinically applicable level, its activity is significantly reduced by temperature (high temperature) or physical pressure, and it easily expires. However, unless the interferon is stabilized in the composition, the effects of its combination cannot be expected.
そこで、本発明者らはヒト由来のインターフェロンを安
定に配合した組成物を得るべく鋭意研究をつづけた結果
、意外にも、ある種の糖アルコールを共存δせると、組
成物中でのインターフェロンの安定性が著しく向上する
ことを見出し、本発明を完成するにいたった。Therefore, the present inventors continued their intensive research in order to obtain a composition containing human-derived interferon in a stable manner, and found that, unexpectedly, when a certain sugar alcohol is present in the composition, the amount of interferon in the composition increases. It was discovered that the stability was significantly improved, and the present invention was completed.
すなわち、本発明は、有効成分としてヒト由来のインタ
ーフ刊ロンを含み、その安定化剤として3価以上の糖ア
ルコールを配合してなるインターフェロンを安定に配合
した組成物を提供するものである。本発明によれば、イ
ンターフェロンを口腔内適用、皮膚外用、直腸、膣また
は尿道内投与、眼、耳まだは葎内投与′用などの種々の
細形の組成物に配合しても、その活性が長期°にわたっ
て安定に保持式れる。That is, the present invention provides a composition stably containing interferon, which contains human-derived interferon as an active ingredient and contains a trivalent or higher valent sugar alcohol as a stabilizer. According to the present invention, the activity of interferon can be improved even if interferon is incorporated into various compact compositions for oral administration, external skin administration, rectal, vaginal or intraurethral administration, ocular, ear or intraepinal administration. is maintained stably over a long period of time.
かくして、本発明の組成物に配合するインターフェロン
はヒト由来のものであればいずれでもよく、例えば、ヒ
ト白血球や正常二倍体細胞由来あるいは組換えDNA技
法を用いてヒトインターフェロン遺伝子を組み込んだ微
生物由来のものが用いられる。その配合量は特に限定す
るものではなく、実際の細形等に応じて適宜選択できる
が、効果上の観点から、一般に、lXIO3国際単位/
ダ蛋白以上の力価を有するインターフェロンを組成物1
00g当り、lXl0’国際単位以上となるような割合
で配合することが好ましい。Thus, the interferon incorporated in the composition of the present invention may be of any human origin, for example, human leukocytes, normal diploid cells, or microorganisms into which human interferon genes have been incorporated using recombinant DNA techniques. are used. The blending amount is not particularly limited and can be selected appropriately depending on the actual shape, etc., but from the viewpoint of effectiveness, it is generally lXIO3 international unit /
Composition 1 contains interferon with a titer higher than da protein.
It is preferable to mix it at a ratio of 1X10' international unit or more per 00g.
安定化剤として用いる3価以上の糖アルコールとしては
、グリセリン、エリスリトール、アラビトール、キシリ
トール、ソルビトール、マンニトールなどが挙げられ、
これらは単独でも、2種以上を併用してもよく、インタ
ーフェロンの安定化効果の観点から、その配合量は糖ア
ルコールとして組成−物全量に基いて15%(重量%、
以下同じ)以上、好ましくは、85“%以上とすること
が望ましい。Examples of trihydric or higher sugar alcohols used as stabilizers include glycerin, erythritol, arabitol, xylitol, sorbitol, mannitol, etc.
These may be used alone or in combination of two or more, and from the viewpoint of stabilizing effect on interferon, the blending amount is 15% (wt%) based on the total amount of the composition as a sugar alcohol.
The same applies hereinafter) or more, preferably 85% or more.
本発明の組成物は、前記のごとく、パスタ、練歯磨、含
漱剤のごとき口腔内適用の細形、ゲル、軟膏のごとき皮
膚外用の細形、ゲル、合剤のごとき直腸、膣ま起は尿道
内投与用の細形、液剤、ゲル、軟膏、スプレー剤のごと
き眼、耳または鼻内投与用の細形など、種々の細形とす
ることができる。これらは通常の製剤化技術に従って製
造することができ、製剤化の最終工程においてインター
フェロンを添加すればよい。他の配合成分はインターフ
ェロンの安定性に影響を及ぼさないかぎり、特に限定す
るものではなく、通常、この種の製剤に使用されるもの
いずれでもよい。また、3価以上の糖アルコールと共に
、イズロン酸、ガラクツロン111、り)Vクロン酸、
クルロンハ、マンヌロン酸、ケトグルコン酸、ケトグル
コン酸、ケトグロン酸、アスコルビン酸のよう々は性糖
およびその塩、クエン酸塩緩衝剤、コハク酸塩緩衝剤、
酒石酸塩緩衝剤、フマル酸塩緩衝剤、グルコン酸塩緩衝
剤、シュウ酸塩緩衝剤、乳酸塩緩衝剤、酢酸塩緩衝剤の
ような有機酸緩衝剤、チオクト酸、N−アセチルシステ
ィン、N−アセチルホモシスティン、グルタチオン、チ
オジグリコール、チオエタノールアミ・ン、モノチオグ
リセロール、ジチオトレイトール、炭素数1〜7のチオ
アルカン酸のようなスルフヒドリル基選択性の温和な含
硫還元剤およびヒト血清アルブミンからな不詳から選ば
れる1種または2種以上の物質を配合するとインターフ
ェロンの安定性がさらに向上するので、これらを適宜配
合してもよい。As mentioned above, the composition of the present invention can be used in small forms for oral application such as pasta, toothpaste, and mouthwash, in small forms for external use on the skin such as gels and ointments, and for rectal and vaginal applications such as gels and mixtures. It can be in a variety of forms, including forms for intraurethral administration, forms for ocular, otic or intranasal administration such as solutions, gels, ointments, and sprays. These can be manufactured according to conventional formulation techniques, and interferon may be added in the final step of formulation. Other ingredients are not particularly limited as long as they do not affect the stability of interferon, and any of those commonly used in this type of preparation may be used. In addition, along with trivalent or higher sugar alcohols, iduronic acid, galacturon 111, ri) V-curonic acid,
Currona, mannuronic acid, ketogluconic acid, ketogluconic acid, ketogulonic acid, ascorbic acid, etc. are sugars and their salts, citrate buffers, succinate buffers,
Organic acid buffers such as tartrate buffers, fumarate buffers, gluconate buffers, oxalate buffers, lactate buffers, acetate buffers, thioctic acid, N-acetylcysteine, N- Sulfhydryl group-selective mild sulfur-containing reducing agents such as acetylhomocysteine, glutathione, thiodiglycol, thioethanolamine, monothioglycerol, dithiothreitol, thioalkanoic acids having 1 to 7 carbon atoms, and human serum albumin. Since the stability of interferon is further improved by blending one or more substances selected from the following, these may be blended as appropriate.
つぎに実嫉例および実施例を挙げて本発明をさらに詳し
く説・明する。なお、これらの実験例および実施例にお
いて用いたインターフェロンは、ヒト包皮由来の線維芽
細胞から得られたものであり、その活性の測定は、シン
ドビスウイルス(3indbi 5virus)および
ヒト羊膜由来の株化細胞(FL細胞)を用い、細胞変性
効果(CPE)法により測定【[、た (Have I
l 、E、A、 and Vi lεek、J
(1972)。Next, the present invention will be described and explained in more detail with reference to actual examples and examples. The interferon used in these experimental examples and examples was obtained from human foreskin-derived fibroblasts, and its activity was measured using Sindbis virus (3indbi 5virus) and human amnion-derived cell lines. Cells (FL cells) were measured by the cytopathic effect (CPE) method.
l, E, A, and Vi lεek, J
(1972).
Antimicrob、 Agents Chemot
her、 2 、476 ;Oie、 H,K、 (1
977)、 Texas Rep、’Bio1.Med
、 、 85154)。また、インターフェロン力価は
同時に測定した標準インターフェロンの活性と比較して
国際単位(以下、IUと略す)に換算した。Antimicrob, Agents Chemot
her, 2, 476; Oie, H, K, (1
977), Texas Rep, 'Bio1. Med
, , 85154). Furthermore, the interferon titer was compared with the activity of standard interferon measured at the same time and converted into international units (hereinafter abbreviated as IU).
実験例1インターフェロン凍結乾燥品I X 106IUヲ生理
食塩水1−で復元し、さらに生理食塩水で稀釈してIX
105IU/−の濃度のインターフェロン溶液を調製
した。この溶液01l−を、種々の糖アルコールを含有
する生理食塩水溶液0.9−と混合し、45°Cで24
時間放置した。24時ttii後、各混合欣のインター
フェロン活性を測示し、初期活性(I X 10’ I
U/x、t )を100%としてインターフェロンの活
性調存率を算出した。Experimental Example 1 Lyophilized interferon I
An interferon solution with a concentration of 105 IU/- was prepared. 01 l of this solution was mixed with 0.9 l of physiological saline solution containing various sugar alcohols and heated at 45°C for 24 hours.
I left it for a while. After 24 hours, the interferon activity of each mixture was measured, and the initial activity (I
The interferon activity retention rate was calculated using U/x, t ) as 100%.
第1表に、用いた糖アルコールの種類および濃度と活性
残存率の関係を示す。Table 1 shows the relationship between the type and concentration of the sugar alcohol used and the residual activity rate.
実験例2実験例1と同様にして、37℃、1ケ月放置および4℃
で6ケ月放置を行なった。その結果を第2表に示す。Experimental Example 2 Same as Experimental Example 1, left at 37℃ for 1 month and 4℃
I left it alone for 6 months. The results are shown in Table 2.
第2表第1表および第2表の結果から明らかなごとく、糖アル
コールはいずれもインターフェロン安定化効果を有し、
特に、グリセリン、キシリトール、エリスリトールがす
ぐれた効果を示している。Table 2 As is clear from the results in Tables 1 and 2, all sugar alcohols have interferon stabilizing effects;
In particular, glycerin, xylitol, and erythritol have shown excellent effects.
実施例1つぎの処方により、常法に従ってパスタを調製した。Example 1Pasta was prepared according to a conventional method using the following recipe.
パスタ処方成分 %セタノール 2・0グ
リセリ!レモノステアレート 9.27ツ
イーン80 2.0ヒド
ロキシエチルセルロース 5.5ケツカリy
0.09糖アルコー
ル(第3表に示す)40精製水 残部各成分を
混合し、インターフェロンをlXl0IU/100yパ
スタの割合で添加し、よく混合して、インターフェロン
自己合パスタを得た。Pasta prescription ingredients % Setanol 2.0 glycerin! Lemonostearate 9.27 Tween 80 2.0 Hydroxyethylcellulose 5.5 Caliy
0.09 sugar alcohol (shown in Table 3) 40 Purified water The remaining components were mixed, interferon was added at a ratio of 1X10IU/100y pasta, and the mixture was thoroughly mixed to obtain interferon self-compound pasta.
得られたパスタを37°C,1ケ月および4℃で6ケ月
保存後、そのインターフェロン活性を測定し、製造直後
の活性を100%としてインターフェロンの活性残存率
を算出した。結果を第3表に示す。After storing the obtained pasta at 37°C for 1 month and at 4°C for 6 months, its interferon activity was measured, and the residual rate of interferon activity was calculated by setting the activity immediately after production as 100%. The results are shown in Table 3.
第8表実施例2第4表に示す処方により、常法に従って練歯磨を調製し
た。各成すを混合後、最後にインターフェロンをlX1
0’IU/100N練歯磨の割合で添加し、よく混合し
て、インターフェロン配合練歯磨を得た。Table 8 Example 2 A toothpaste was prepared according to the conventional method according to the formulation shown in Table 4. After mixing each component, finally add 1X1 interferon.
The mixture was added at a ratio of 0'IU/100N toothpaste and mixed well to obtain an interferon-containing toothpaste.
これを実施例1のパスタにおけると同様に、37℃、1
ケ月および4°C,6ケ月保存後、そのインターフェロ
ンの活性残存率を算出した。結果を第4表に示す。This was prepared at 37°C for 1 hour in the same manner as in Example 1 for the pasta.
After storage for 6 months and 6 months at 4°C, the residual activity of the interferon was calculated. The results are shown in Table 4.
第4表実施例8つぎの処方により、常法に従って皮膚外用のゲル剤を調
製した。Table 4 Example 8 A gel preparation for external use on the skin was prepared according to a conventional method using the following formulation.
ゲル剤処方成分 %糖アルコール(第5表に示す)45ツイーン3Q O,2カ
ーボポール940 2精製水
残部各成分を混合し、最後
にインターフェロンをIX to7IU/100 fゲ
ルの割合で添加、混合し、インターフェロン配合皮膚外
用ゲル剤を得た。Gel formulation ingredients % Sugar alcohol (shown in Table 5) 45 Tween 3Q O,2 Carbopol 940 2 Purified water
The remaining components were mixed, and finally interferon was added and mixed at a ratio of IX to 7 IU/100 f gel to obtain an interferon-containing gel for external use on the skin.
これを実施例1のパスタにおけると同様に、87°C,
1”ケ月および4℃、6ケ月保存後、そのインターフェ
ロンの活性残存率を算出した。結果を第5表に示す。This was heated to 87°C in the same way as in the pasta of Example 1.
After storage for 1 month and 6 months at 4°C, the residual activity of interferon was calculated. The results are shown in Table 5.
第5表実施例4つぎの処方により、常法に従って皮膚外用のゲル剤を調
製した。Table 5 Example 4 A gel preparation for external use on the skin was prepared according to a conventional method using the following formulation.
ゲル剤処方成分 %エリスリト−Iし 45
カーボポール9−40 2精製水
残部各成分を混合し、
最後に、インターフェロンをlX106IU/100g
の割合で添加、混合し、インターフェロン配合皮膚外用
ゲル剤を得た。こ−のゲル剤を37゛Cで1ケ月2よr
!4℃で6ケ月保存した場合のインターフェロンの活性
残存率は、各々、30%および45%であった。なお、
対照として、エリスリトールを精製水に代えて得られた
ゲル剤を同様に保存試験した場合の活性残存率は、各々
、0%および1%であった。Gel formulation ingredient % Erythrit-I 45
Carbopol 9-40 2 Purified water Mix the remaining ingredients,
Finally, add interferon lX106IU/100g
were added and mixed in the following proportions to obtain an interferon-containing gel for external use on the skin. Apply this gel at 37°C for 1 month.
! The residual activity rate of interferon when stored at 4°C for 6 months was 30% and 45%, respectively. In addition,
As a control, gels obtained by replacing erythritol with purified water were similarly subjected to a storage test, and the residual activity rates were 0% and 1%, respectively.
特許出願人 サンスター株式会社ほか1名代理人弁理士
青山 裸線か2名Patent applicant Sunstar Co., Ltd. and 1 other patent attorney Aoyama Naked wire or 2 people
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19125081AJPS5892619A (en) | 1981-11-28 | 1981-11-28 | Stable composition containing interferon |
| EP82306319AEP0080879B1 (en) | 1981-11-28 | 1982-11-26 | Pharmaceutical composition containing interferon in stable state |
| DE8282306319TDE3273597D1 (en) | 1981-11-28 | 1982-11-26 | Pharmaceutical composition containing interferon in stable state |
| US06/568,033US4675184A (en) | 1981-11-28 | 1984-01-04 | Pharmaceutical composition containing interferon in stable state |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19125081AJPS5892619A (en) | 1981-11-28 | 1981-11-28 | Stable composition containing interferon |
| Publication Number | Publication Date |
|---|---|
| JPS5892619Atrue JPS5892619A (en) | 1983-06-02 |
| JPS6260370B2 JPS6260370B2 (en) | 1987-12-16 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19125081AGrantedJPS5892619A (en) | 1981-11-28 | 1981-11-28 | Stable composition containing interferon |
| Country | Link |
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