Microbiota restoration therapy (MRT) compositions and methods of manufacture
Microbiota restoration therapy (MRT) compositions (e.g., oral MRT compositions) and methods for manufacturing MRT compositions are disclosed. An example method for manufacturing an MRT composition may include collecting a stool sample, purifying the stool sample to form a purified sample, stabilizing the purified sample to form a stabilized sample, converting the stabilized sample to a solid, adding one or more additives and/or excipients to the solid to form a treatment composition, and encapsulating the treatment composition.
1. A method for manufacturing a microbiota restoration therapy composition, the method comprising:
collecting a fecal sample from a donor;
processing the fecal sample to form a processed fecal sample;
centrifuging the processed fecal sample to form a purified intermediate;
mixing the purified intermediate with a lyophilization excipient to form a lyophilization intermediate;
wherein the lyophilization excipient includes polyethylene glycol, trehalose, sucrose, and glycerin; and
lyophilizing the lyophilization intermediate.
2. The method of claim 1 , wherein centrifuging the processed fecal sample to form a purified intermediate includes a low speed centrifugation.
3. The method of claim 1 , wherein centrifuging the processed fecal sample to form a purified intermediate includes centrifuging the processed fecal sample at a low speed, removing the supernatant, and centrifuging the supernatant at a high speed.
4. The method of claim 3 , wherein centrifuging the supernatant at a high speed includes centrifuging at a speed sufficient to create a centrifugal force in the range of about 8-12,000 g.
5. The method of claim 3 , wherein centrifuging the supernatant at a high speed includes centrifuging at a speed sufficient to create a centrifugal force of about 10,000 g.
6. The method of claim 3 , wherein centrifuging the processed fecal sample at a low speed includes centrifuging at a speed sufficient to create a centrifugal force of about 300 g.
7. The method of claim 1 , wherein the lyophilization excipient includes about 0.5-20% polyethylene glycol.
8. The method of claim 1 , wherein the lyophilization excipient includes about 10% trehalose.
9. The method of claim 1 , wherein the lyophilization excipient includes about 10% sucrose.
10. The method of claim 1 , wherein the lyophilization excipient includes about 0.1-5% glycerol.
11. The method of claim 1 , wherein lyophilizing the lyophilization intermediate forms a lyophilized pellet, and further comprising processing the lyophilized pellet, encapsulating the lyophilized pellet, or both.
12. A method for manufacturing a microbiota restoration therapy composition, the method comprising:
processing a fresh fecal sample to form a processed fecal sample;
centrifuging the processed fecal sample to form a purified intermediate, wherein centrifuging includes a first centrifugation process and a second centrifugation process;
mixing the purified intermediate with a lyophilization excipient to form a lyophilization intermediate;
wherein the lyophilization excipient includes polyethylene glycol;
wherein the lyophilization excipient includes trehalose, sucrose, or both; and
lyophilizing the lyophilization intermediate.
13. The method of claim 12 , wherein the first centrifugation process forms a first pellet and a supernatant and wherein the second centrifugation process includes centrifuging the supernatant.
14. The method of claim 12 , wherein the second centrifugation process includes centrifuging at a speed sufficient to create a centrifugal force in the range of about 8-12,000 g.
15. The method of claim 12 , wherein the lyophilization excipient includes glycerol.
16. The method of claim 12 , wherein the lyophilization excipient includes trehalose, sucrose, and glycerin.
17. The method of claim 12 , wherein lyophilizing the lyophilization intermediate forms a lyophilized pellet, and further comprising grinding the lyophilized pellet to form a ground pellet.
18. The method of claim 17 , further comprising encapsulating the ground pellet.
19. An oral microbiota restoration therapy composition, comprising:
a lyophilized fecal preparation, the lyophilized fecal preparation being formed by:
collecting a fecal sample from a donor,
processing the fecal sample to form a processed fecal sample,
centrifuging the processed fecal sample to form a purified intermediate,
mixing the purified intermediate with a lyophilization excipient to form a lyophilization intermediate,
wherein the lyophilization excipient includes polyethylene glycol, trehalose, sucrose, and glycerin, and
lyophilizing the lyophilization intermediate; and
a capsule containing the lyophilized fecal preparation.
20. The oral microbiota restoration therapy composition of claim 19 , wherein the capsule includes hypromellose.